text:
Now we know what Italians look like under their clothes

We spent New Year’s visiting friends in Vicenza, Italy, and took some fun day trips to Verona, Venice, and a gorgeous hill town called Bassano del Grappa which overlooks the Alps.

We couldn’t help but notice that red was definitely the in color for lingerie this season; all the stores were overflowing with it:

Lucky red lingerie filled the stores for New Year's

Lucky red lingerie filled the stores for New Year’s

Turns out that this is a yearly occurrence. Along with eating lentils, all positive-thinking Italians wear red underwear on New Year’s Eve to ensure good luck in the year to come.

We were woefully ignorant about the custom until the festivities were well underway, so made sure to snag a double helping of lentils during the fantastic, six-course meal (35 euros, with wine, Prosecco and limoncello included!) to usher in health, happiness and abundance.

Buon Anno!

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  1. Mom and Dad says

    Of all the customs I’ve heard of, that’s a new one. And I have no doubt that the lentils will bring on a good 2011 for you and Ben. Mom and Dad xoxo

  2. Jen, you certainly have a way with words. Hope you will someday publish your travel log!

    We have been to Venice a couple of times but all the shops we saw were promoting bakery goods. How does one slim down to wear these lovely undergarments after all those promoted calories??!!

  3. Lol, I know! And I never saw a gym, either.

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text: Summary of changes from v2.5.72 to v2.5.73 ============================================ ISDN: [PATCH] memory leak in tpam_queues.c This patch fixes a memory leak on an error path in tpam_queues.c ISDN: [PATCH] switch pcmcia isdn drivers to pcmcia_register_driver And fix two unchecked kmallocs in avma1_cs. [PATCH] ia64: small update for hugetlb Please find attached a small update that syncs up the definition and usage of check_valid_hugepage_range across different arch dependent and independent files. [PATCH] ia64: improve kernel_thread() cleanliness This is a fix to kernel_thread(). I dont claim to fix any real problem its just a fix to return pid_t. This is part of a series of fixes for the linux kernel 2.4.20 to make proper use of pid_t. [PATCH] ia64: replace RAID xor routine into an assembly file [PATCH] ia64: patch to use >256MB purges Attached is the updated patch that takes the supported purge page size bits from PAL call. ia64: Clean up purge-page-size-from-PAL patch a bit. ia64: Allow 4GB TLB purges by default. Reported by Rohit Seth. ia64: Fix ptrace() RNaT accessors. ia64: Couple of minor NEW_LOCK spinlock fixes. Put RAID5 xor routines only into kernel if CONFIG_MD_RAID5 is declared. ia64: Move ia64 ELF relocations to ia64-specific elf.h. [PATCH] ia64: gettimeoffset hooks Make it possible to plug in alternate time-offset sources, such as external (e.g., chipset) timers or High-Performance Event Timer (HPET) etc. This is needed on platforms where the cycle-counters on different CPUs may drift apart from each other. This patch contains the ia64-specific portion only. [PATCH] cpu_idle() cleanup ia64: Patch by Arun Sharma: Undo bad sys32_select() fix: The biggest value of n below is INT_MAX and the value of size for n = INT_MAX is 268435456. So I don't think there'll be an overflow. [PATCH] ia64: fix ia32 sched_{s,g}etaffinity() ia64: Fix SMP fph-handling. Patch by Asit Mallick with some additional changes by yours truly. ia64: Fix various minor merge errors and build errors. Fix page-fault handler so it handles not-present translations for region 5 (patch by John Marvin). Check in new SN2 file from Jes' gettimeoffset() patch. ia64: Fix typo in do_settimeofday(). ia64: Desupport GCC 2.96 and everything older. ia64: Fix Makefile typo and retain -frename-registers for Itanium. ia64: Fix more merge errors. Correct SN2 callbacks to also invoke the generic ia64 callbacks so last_nsec_offset gets updated, too. [PATCH] ia64: perfmon fix This patch allows users to set the PMC to their default value, even though the value might conflict with the type of monitoring session. This is fine because default values ensure the monitor is not active. [PATCH] ia64: make ia32 ioctl()s work again ia64: Fix obsolete call to ia64_set_fpu_owner() (affected UP only). ia64: Re-enable -frename-registers for McKinley. [PATCH] ia64: put kernel into virtually mapped area This patch moves the kernel text and data into region 5 (0xa00...) by using a translation register to pin the entire area (i.e., no TLB faults). The 1st-order goal is to be able to boot a kernel even when there is no usable memory in the 64-128MB range. It is also a step towards enabling text-replication on NUMA. ia64: Make Ski bootloader work with virtually-mapped kernel. [PATCH] ia64: SGI SN update ia64: Fix UP build: ia64_spinlock_contention() is for SMP only. [PATCH] ia64: SN cleanups Some patches from cleaning up sn2 code a bit, including the removal of some unnecessary files. ia64: Update for new time_interpolator infrastructure. ia64: More time-interpolation cleanups; correct SN2 interpolator. ia64: Remove unnecesary include of . ia64: Make hugetlb support compile again. ia64: Fix unwinder so core-dumps work again. Without this patch, most scratch-regs came out wrong. ia64: Restructure pt_regs and optimize syscall path. Patch by Rohit Seth, Fengua Yu, and Arun Sharma: Please find attached a patch for kernel entry exit optimization. This is based on 2.5.69 kernel. The main items covered by this patch are: 1) Support for 16 bytes instructions as per SDM2.1 (CSD/SSD in pt_regs) 2) f10-f11 are added as additional scratch registers for kernel's use. 3) Re-arrange pt_regs to access less cache lines in system call. Reduce scratch register saving/restoring in system call path. 4) A few instruction reorg in low-level code. [PATCH] ia64: three more fph fixes (all UP-related) [PATCH] ia64: fix IA-32 emulation of msgctl() IA-32 programs executing: msgctl(id, IPC_SET, &buf) currently fail with EPERM due to this bug. [PATCH] ia64: fix IA-32 version of shmctl() This one is similar to msgctl. We should be calling sys_shmctl with struct shmid64_ds. In the absence of this patch: shmctl(shmid, IPC_SET, &shmid_ds) will fail. ia64: Patch by Arun Sharma: In the absence of the patch, this system call fails: shmctl(shmid, IPC_STAT, &shmid_ds) The patch corrects the definition of the ipc_perm32 structure. [PATCH] ia64: fix syscall optimization path so CONFIG_PREEMPT works again This should get the CONFIG_PREEMPT to work again. We were trashing r20 by accident. ISDN: cleanup Makefiles no actual changes, just reformatting and switch to -y instead of -objs ISDN: Fix jiffies / flags types jiffies are unsigned long, so are flags, as kindly pointed out by gcc's warnings... ISDN: Fix SET_MODULE_OWNER() use Apparently, it was for network drivers only, so we just set ->owner directly now. ISDN: Fix the modemd change notification group_send_sig_info() disappeared, kill_pg_info should do the job. However, this horrible modemd code should be ripped out completely. [PATCH] ia64: Change mmu_gathers into per-cpu data [PATCH] ia64: more SN2 cleanups Here's another sn2 update. It includes a bunch of misc. bits: o a bunch of cleanup from hch o addition of DMA routine wrappers o update of other PCI routines o topology.h prototype addition. Cleanup compiler warnings generated by new gcc ia64: Lots of formatting fixes for the optimized syscall paths. Fix setting of current->thread.on_ustack flag in optimized syscall exit path. Tune break_fault for syscall execution. Break ia32_execve: the ia64_execve() hack that was there is too ugly for words; surely we can do better... ia64: Reformat .mem.offset directives. Affects many lines, but they're all whitespace changes only. ia64: In start_thread(), remove the clearing of the scratch registers which are now cleared by the syscall exit path. ia64: Make fsyscalls work again. They broke because the streamlined syscall path didn't preserve b6 and r11 anymore. Unfortunately, preserving them costs a few cycles (~5 cycles in the cached case). The uncached case is hopefully mostly unaffected because the number of cache-lines touched is the same (without preserving b6 and r11, the entry-patch _almost_ got away with touching a single 128-byte cacheline, but not quite, because r8 also had to be initialized). ia64: Implement a first cut of a streamlined fsys_fallback_syscall. Instead of using break, this one bubbles down into the kernel directly. This code works, but isn't performance optimal yet. ia64: Minor fixes: remove obsolete ia64_ret_from_execve_syscall() and fix bit rot in signal debug printk. ia64: Fix typo introduced on May 28 which had the effect of asynchronous signals corrupting r14. ia64: Small formatting fixes. ia64: Finish the fsyscall support (finally!). Now fsyscall stubs will run faster than break-based syscall stubs, even if there is no light-weight syscall handler. Adds a new boot command-line option "nolwsys" which can be used to turn off light-weight system call handlers. Good for performance measurement and (potentially) for debugging. [PATCH] ia64: use generic build infrastructure for generating offsets.h Delete references to arch/ia64/tools; use standard sed script to generate offsets.h. This gets the dependencies right for offsets.h .del-print_offsets.awk~ce325580e04f9929: Delete: arch/ia64/tools/print_offsets.awk .del-Makefile~90bde6a95198c56c: Delete: arch/ia64/tools/Makefile ia64: Patch by Tony Luck: The INIT path was broken by the virtually mapped kernel patch. This patch makes it work again. The MCA path is similarly broken. Patch will follow later. [PATCH] ia64: provide a more generic vtop patching infrastructure We need sometimes to load the physical address of a kernel object. Often we can convert the virtual address to physical at execution time, but sometimes (either for performance reasons or during error recovery) we cannot to this. Patch the marked bundles to load the physical address. [PATCH] ia64: small patch for arch/ia64/lib/Makefile for xor.o I was building 2.5 and noticed that if you have raid5 configured as a module, then the arch/ia64/lib/xor.S would not get built (gets a make error since c file not there). Attached patch fixes that so xor.S gets built if raid5 is built-in or a module. ia64: Based on patch by Rohit Seth: Use "hint @pause" in more places. [PATCH] ia64: Discontigmem bank fix Attached is a patch for interleaved discontigmem banks. When memory banks are interleaved between nodes, bank ids can be overwritten by other nodes. [PATCH] ia64: two small fixes (perfmon & GENERIC build) the first patch moves some definitions out of perfmon.c to perfmon.h (similar to what is in 2.4). The second patch contains a fix for the generic built. I did it that way to avoid other problems such as SIMSCSI depends on SCSI. so simply hardcoding this in the MAkefile could cause other problems. Anyway, SIMSCI is not defaulting to y when HP_SIM is defined so it is not so different. [PATCH] ia64: IA-32 emulation patch: ptrace get_FPREGS bug fix A bug-fix in IA-32 emulation ptrace code. The bug originally got introduced with the addition of FPXREGS support in ptrace. The bug is in ptrace get/set FPREGS routine. gdb by default will not use FPREGS routines when FPXREGS routines are supported. So we may not see this bug during normal gdb operations. But, if gdb (or any other app) directly tries to get/set FPREGS (probably an old version of gdb), it will end with an segmentation fault due to this bug. Attached patch fixes the issue. The patch is taken against 2.5.69. But it applies to 2.4 tree as well. [PATCH] ia64: fix unwinder to call get_scratch_regs() only when really needed Only call get_scratch_regs() when pt is really needed. The extraneous calls to get_scratch_regs() can otherwise pick up the wrong address for pt. For example, calling unw_access_ar(&info, UNW_AR_BSPSTORE,...) before pt_regs had been reached could trigger this bug. [PATCH] ia64: performance-tweak syscall exit path some more Please find the attached patch that: 1. Moves user stack flag memory access before srlz.i; 2. Moves mov b6=r22 as late as possible. 3. Changes (pSys) to (pLvSys) in skip_rbs_switch: section. IA32 syscall set pSys=1 but pLvSys=0. It's not necessary to clear bank1 r16-r19 registers for IA32 syscall. The number for leave_syscall is 268 cycles with this patch. The number is 295 cycles w/o this patch. It was 245 cycles with the original kee patched kernel. The 23 cycles come from restoring b6 operation which didn't exist in the orignal kee patch. [PATCH] ia64: fix SAVE_RESET so OS INIT handler works again The syscall optimization patches broke the OS INIT handler because SAVE_RESET was addressing relative to r12, which contains the virtual address of the stack pointer. Fixed by addressing relative to r2/r3 instead. ia64: Fix unwinder bug which caused it to allocate more memory than strictly necessary. ia64: Make task allocation/freeing compatible with the improved generic kernel infrastructure. ia64: Move force_successful_syscall_return() from ptrace.h to unistd.h. ia64: Misc small fixe: adjust for 2-argument version of show_stack(), remove left-over bits from the old task-creation/destruction hacks. Fix typo in comment for pgprot_noncached(). ia64: Remove no longer needed show_trace_task(). [PATCH] ia64: runtime platform detection for 2.5 This is a 2.5 version of the patch that I juggled around a couple of weeks ago. It's just a simple macro that allows one to check if the kernel is running on a specific ia64 platform. [PATCH] ia64: compile fix for HP Sim serial/console I was getting annoyed at having to mess around with the HP Simulator stuff when trying to compile generic kernels. Here's the fix that I came up with. It basically makes the HP Sim console another config option that depends on the HP sim serial code. It also sticks a couple of run-time checks in the init functions to only setup and run the code on hpsim machines. [PATCH] ia64: max user stack size of main thread configurable via RLIMIT_STACK Make the size of the user stack based on the stack rlimit. The stack hard stack size now defaults to 2GB, but can be increased with ulimit up to 1/2 of the max mappable space in a region. For 16k pages, this makes the max stack size 8TB. Unification of the SCSI Kconfig menus - Make some more options depend on bus types - Eliminate the Kconfig option for 53c7,8xx and some references to it - Eliminate the original sym53c8xx driver from the config (leave it in the makefile for now though) - Merge the m68k Kconfig bits into the main scsi Kconfig file - Tidy up some formatting [PATCH] give all LLDD driver a ->release method This allows us to kill the horrible scsi_host_legacy_release hack. Note that the new ->release methods still seem to be incorrect in some case, but I really want to kill that hack in core code not to make all drivers perfect. [PATCH] don't create /proc/scsi/ entries for drivers without Current code just puts the driver name into it which is utterly useless [PATCH] kill reamining scsi_scan.c typedef abuse [PATCH] fix sd medium removal handling sdev->access_count is incremented not only by sd but also e.g. by sg. Now if sd opens first, then sg, then sd closes and sg last medium removal will still be prevented. Add a counter in scsi_disk for doorlocking instead. [PATCH] constants.c codingstyle fixes This is the same procedure most of the scsi source files got a while ago. [PATCH] scsi_ioctl.c codingstyle fixes dito [PATCH] convert scsi core to use module_param interfaces This patch converts scsi core to use the module_param interfaces (except for the hosts.c scsihosts usage). With this applied, boot time (non-module) command line setting of scsi parameters must be prefixed by what the scsi module name would be (scsi_mod), for example: scsi_mod.scsi_logging_level=0x180 scsi_mod.scsi_default_dev_flags=0x1 scsi_mod.max_scsi_luns=5 Usage of scsi_mod as above is a bit ugly and long - if this patch is applied, we should consider renaming scsi.c to scsi_main.c or similiar, and scsi_mod.o to scsi.o. Or, somehow get our prefix set to "scsi". [PATCH] fix parameter naming use module_param_named to avoid the the superflous scsi strings in the option names. [PATCH] kill scsihosts= boot parameter This feature is seriously racy, and doesn't work under many circumstances. As we have proper ways to find devices by their their locical naming (UUID, fs label) or physical connectivity (scsidev, sysfs) it shouldn't be nessecary anymore. [PATCH] introduce scsi_host_alloc Rediffed version, with Mike's isp fix and taking the new scsi_add_host users in usb in account. Currently this is juist a new name for scsi_register, but we make sure new-style drivers never call scsi_register/scsi_unregister but always scsi_host_alloc/scsi_host_put in this patch so the next patch can introduce code specific to legacy drivers in the former. Also cleanup scsi_register/scsi_host_alloc a bit. [PATCH] revamp legacy host registration The legacy host registration/unregistration is the last user of the scsi_host_list but it really wants a per-template list instead, so switch to one that is maintained in scsi_register/scsi_unregister. Also the legacy init/exit code is small enough now to be self-contained in scsi_module.c now. This second version also has proper failure handling in the init_this_scsi_driver [PATCH] kill blk_nohighio boot parameter It was useful in 2.4 to debug the blockhighmem stuff but in 2.5 it's b0rked because doesn't have any implication except propagation of the highmem_io flags from the scsi host template to the scsi host structure. It also only worked on i386. ACKed by Jens. [PATCH] kill unused scsi_device fields [PATCH] introduce scsi_host_alloc for dc395x On Fri, Jun 06, 2003 at 10:01:03AM +0200, Christoph Hellwig wrote: > Rediffed version, with Mike's isp fix and taking the new > scsi_add_host users in usb in account. > > Currently this is juist a new name for scsi_register, but we make > sure new-style drivers never call scsi_register/scsi_unregister > but always scsi_host_alloc/scsi_host_put in this patch so the > next patch can introduce code specific to legacy drivers in > the former. Also cleanup scsi_register/scsi_host_alloc a bit. I think I made the dc395x driver new style init as of 2.5.70-bk9 (if what scsi_mid_low_api.txt calls "hotplug" style is new style then it is). So it'll need to be updated as well. [PATCH] kill some sysfs left-overs in st [PATCH] cleanup device_busy/host_busy handling - scsi_host_busy_inc isn't used anymore (and uses broken locking rules), kill it. - scsi_host_busy_dec_and_test gets replace by scsi_device_unbusy that also cares for sdev->device_busty. - there's a new helper, scsi_eh_wakeup, shared by scsi_device_unbusy and some EH code. [PATCH] rename struct SHT to something sensible namely struct scsi_host_template and make the scsi core use this instead of the typedef everywhere. [PATCH] consolidate legacy typedefs in one place Make the scsi midlayer header typedef clean and consolidate all those backwards-compat typedefs in scsi_typedefs.h. It's still included at the bottom of scsi.h and will probably stay there at least for 2.6 - but the scsi core already compiles without it and the new splitted headers won't include this implicitly anymore. [PATCH] missing scsi_host_alloc bits Sorry, I sent you the old patch again. Here's the missing driver bits. [PATCH] update lasi700 to new style template module unloading is not support until parisc_driver gets a release method [PATCH] ia64: switch to perfmon2 This patch contains a major rewrite of the perfmon subsystem to bring it to version 2.0. This version is NOT compatible with the existing perfmon-1.x version which was in 2.5 and still is in 2.4 kernels. This new codebase brings a lot of new features including the ability to attach to already running tasks, the ability the follow clone2, the ability to write your own sampling buffer format via kernel modules. It is also much more robust than its 1.x counter-part. This version supports the Itanium, McKinley and Madison PMUs. This is beta quality code and extensions to the interface are planned. ia64: Move RGN_MAP_LIMIT from pgtableh to page.h and use that in ustack.h so we can escape include-hell. ia64: Make kernel work better on machines with I/O MMU hardware. In particular, this fixes a panic() in the IDE code which triggered on machines with IDE disks and memory above 4GB. mca.h, mca_asm.S, mca.c: ia64: cleaning up the INIT code perfmon_generic.h, perfmon.c, Makefile: ia64: no perfmon 2.5 fix handle_fpu_swa() doesn't scale well if multiple CPUs need concurrent fp assist. The problem lies with concurrent, potentially frequent updates of fpu_swa_count, which serves as the throttle for doing the printk(). A frenzy of concurrent updates will produce a frenzy of cacheline ping-ponging. The fix is simple: Only increment fpu_swa_count when the printk() is about to happen, which limits the increment to no more than four times every five seconds. smpboot.c, acpi.c: ia64: NR_CPUS and number of CPUs While building a kernel for our 4-way Lion box, I made the mistake of setting NR_CPUS to 4. Little did I know that the Lion ACPI tables always list 8 CPUs (with only the first N enabled), and so the resulting kernel overflowed the smp_boot_data.cpu_phys_id array, crashed and burned. Do not generate warning on ro (read only) cifs mount option ia64: Get rid of pci_dma_bus_is_phys in favor of ia64_max_iommu_merge_mask. ia64: Andrew changed his mind about the location of force_successful_syscall_return(), so move it back to ptrace.h. ia64: No early printk for GENERIC. Here is a patch to the ia64 Kconfig file that disables the EARLY_PRINTK menu option if a GENERIC kernel is selected. As we discussed last week, EARLY_PRINTK doesn't work for GENERIC kernels because readb/readl are machvecs. ia64: Add back lost change for PCI_DMA_BUS_IS_PHYS. [PATCH] ia64: Include lib/Kconfig for HPSIM I found the attached patch necessary to allow compressed file systems to be used under the simulator. lib/Kconfig is needed to configure in the zlib routines. Fix most cifs vfs sign/unsigned gcc 3.3 compile warnings [PATCH] ia64: Define ia64_max_iommu_merge_mask unconditionally Define ia64_max_iommu_merge_mask even without CONFIG_PCI, so that the simulator can link. [PATCH] ia64: fix NULL pointer dereferences in perfmon This patch fixes some NULL pointer problems in perfmon. - fixes NULL pointer derefence in perfmon_mckinley.h when context is not loaded - fixes typo in pfm_write_pmcs() [PATCH] don't dereference sdev->access_count in dpt_i2o This is nothing a LLDD should ever look at and might go away completly soon. The uses are for a printk and a racy ioctl. [PATCH] some sd.c code consolidation fold sd_init_onedisk into sd_revalidate_disk and sd_synchronize_cache into sd_shutdown. [PATCH] kill 53c700 ->proc_info All information is provided in sysfs nowdays. [PATCH] remove an unused variable from scsi.c [PATCH] remove superflous ->command instances ->command is never called if can_queue is set, remove the dead code. [PATCH] megaraid driver update This is a patch for the megaraid driver that splits the mbox_t structure into two sections. The raw_mbox automatics are sized based on the mbox_out part. This saves quite a few bytes on the stack (for the raw_mbox arrays) and limits the amount of bytes in the mbox_t structure that are cleared. In issue_scb_block, I changed setting the cmdid and busy elements from being set in the raw_mbox to being set in the mbox itself after the memcpy. [PATCH] start moving and splitting the scsi headers This patch adds the following new files: include/scsi/scsi_cmnd.h include/scsi/scsi_device.h include/scsi/scsi_host.h for each of the major scsi core data structures and makes the old scsi.h and hosts.h include them for compatibality. In the next round of patches all reamining contents of those will move to proper locations. [PATCH] more header reshuffling This creates scsi_eh.h, scsi_request.h and scsi_tcq.h [PATCH] kill of ->command It's unused now. Also kill off the stupid = NULL initializations in usb-storage that made this not compile the first time.. [PATCH] make the SCSI mid-layer obey the device online flag It has been pointed out by the USB people that the mid-layer doesn't obey its own online flag. The attached patch should fix this. However, there are a few caveats to offlining (read that as devices should still be prepared to process commands). 1. Any special command will still be accepted (that's a command either via the SCSI_IOCTL_SEND_COMMAND, or an internally generated command). 2. Outstanding already processed commands in the queue (i.e. commands which have already been through the upper layer drivers but needed requeuing for some reason like QUEUE_FULL or device busy). I'm willing to consider changing 2., it just requires more speciallised logic to distinguish between a command that has been prepared by the upper level drivers and a command sent via 1. However, not that LLDs may not assume they will receive no commands just because scsi_device->online is zero. Add XRAYTEX to SCSI whitelist sd.c: initialise the gendisk private_data pointer earlier Fix warning in scsi_proc.c Fix USB storage mismerge ia64: Split ia32-only definitions into separate ia32int.h header file. This avoids polluting ia64 code with definitions that are correct for ia32 only (for example, the ELF-related definitions would otherwise collide with ia64 ELF definitions). ia64: Two small fixes: fix Makefiles so "make clean" removes .offsets.h.stamp. Remove unused variable in acpi-ext code. ia64: Build the gate page(s) as an ELF DSO. Remove CONFIG_FSYS option (it's the default now). Consolidate the various instruction patching routines into a single file (patch.c). patch.c: ia64: don't forget to establish coherence after vtop patching ia64: Minor cleanups: export more symbols, remove uncessary stop bits. ia64: Fine-tune the gate DSO support a bit. Export some more symbols to get tg3.c to build as a module. pgtable.h: ia64: Rename FIXADDR_{START,TOP} to FIXADDR_USER_{START,END}. ACPI: Add ASUS Value-add driver (Karol Kozimor and Julien Lerouge) ACPI: Re-add acpitable.c and acpismp=force. This improves backwards compatibility and also cleans up the code to a significant degree. ACPI: Mention acpismp=force in config help ACPI: Export acpi_disabled for sonypi (Stelian Pop) [PATCH] USB: Keep root hub status timer running during suspend Not having heard any complaints about this patch, I'm submitting it. It fixes a problem with the root hub status URB implementation; the timer that controls the root hub polling was not getting reset during a PM suspend. [PATCH] USB: missed one usblp status buffer change My previous patch (several months ago) missed one instance of changing usblp status data from local stack to alloc-ed memory. [PATCH] USB: ehci-hcd: short reads, chip workaround, cleanup This is a minor update to the patch I posted the other day: - Updates processing for completed QTDs, fixing a regression I've been chasing for a while. - Works around a bug seen in some EHCI silicon (like NEC), which the previous problem was covering up. - Cleanup: updates the debug support a bit, removes a now-fixed FIXME comment, etc; and a version ID change. [PATCH] USB: Use separate transport_flags bits for transfer_dma Use separate transfer_flags bits for transfer_dma and setup_dma [PATCH] ia64: minor perfmon fixes - remove extra include of asm/perfmon.h - fix a bug if PFM_LOAD_CONTEXT by which it would not return an error if the task already had a context attached. ia64: Still more gate DSO tuning. Turns out a linker bug prevented us from building the gate DSO in a way that makes it fit in <= 1 page. If a fixed linker is available, we do it in this space-saving way now. Otherwise, we'll do it the old way (the gate DSO will then take up about 18KB instead of just ~3KB). Thanks to Roland McGrath for making this all work. NCR53c406a print error and abort on non queueing mode [ARM PATCH] 1553/1: BE support for __put_user_asm_dword()... Patch from Deepak Saxena [PATCH] USB: ehci, fix qh re-activation problem This resolves a problem that appears when relinking a bulk or control QH that has a partially completed multi-packet qTD. Some I/O could be repeated. Such cases can happen when an empty QH starts to unlink, but gets re-activated (by queueing the multi-packet qTD) before the HC saw the unlink. It's rarely an issue with control traffic (transfers are so small) or when bulk queues are active (the QH won't empty). [PATCH] USB: handle USB printer error bits independently Some printers report errors (like out of paper or offline) without setting the main "I have an error" bit. I see this on my home printer and someone else has confirmed it for me, suggesting that we check the printer error status bits independently, ordering them as we see fit, so here's a patch that does that. [PATCH] USB: Patch to cdc-acm.c to detect ACM part of USB WMC devices [PATCH] USB speedtouch: add module parameters [PATCH] ia64: work around race conditions in ia32 support code This is an old problem, first reported in December 2001. The test case is a multithreaded application doing a large number of malloc()/free(). When running on a 16k page size kernel, the current algorithm creates a temporary page, copies data to that page, does a new mmap and copies back subpages from the temporary page. This leaves a window of opportunity open for another thread to unmap or change the data in such a way that the new page has stale data. A patch was proposed which tries to do away with copying if the old page was writable. The patch was rejected because it could corrupt data in the MAP_SHARED case. Since we found that most of the apps which ran into this problem were dealing with pages where the old data and new data are both anonymous, I reworked the above patch in such a way that we don't optimize for the MAP_SHARED case. Infact, the only case that we optimize is the case where the old and new mapping are both anonymous. ia64: Make brl-branches to ia64_spinlock_contention work from modules. Since these branches use a special calling-convention, we don't want to go through the PLT stubs normally used for cross-module calls. Also fix a 1-bit bug in the plt_reloc() function which got triggered now that the core code lives below the module code (due to the virtual mapping of the core). ACPI: acpiphp update (Takayoshi Kochi) Fix oops on stopping cifs oplock thread when removing cifs module [PCMCIA] Rename yenta to yenta_socket. The overwhelming majority of Linux users are using modular PCMCIA, and loading the "yenta_socket" module. 2.5.71 unfortunately changed the name to "yenta" when pci_socket.c was combined with yenta.c. Rename yenta.[ch] to yenta_socket.[ch] for compatibility. [PCMCIA] Remove check_mem_resource() Remove the racy check_mem_resource() function. Instead, claim the region while we check it, passing a resource structure to the core validation functions. [PCMCIA] Move SS_CAP_PAGE_REGS test into find_mem_region() We must always allocate windows below 1MB when a socket driver indicates that it does not have "page registers". Handle this case in rsrc_mgr.c within find_mem_region rather than each use of find_mem_region(). [PCMCIA] Prevent duplicate insertion events calling socket_insert() Some socket hardware appears to "bounce" when a card is inserted - we seem to receive more than one SS_DETECT event. Unfortunately, this causes us to initialise, setup the socket, and create the necessary devices multiple times. Fix this by ignoring card insertion events when we already know that there is a card in the socket. [PATCH] i2c: Add lm78 sensor chip support This patch vs. 2.5.70 adds support for LM78, LM78-J, and LM79 sensors chips based on lm_sensors project CVS. This works on one of my boards. I want to draw attention to something I did with this driver by comparing it to it87.c in 2.5.70: > #define IT87_INIT_TEMP_HIGH_1 600 > #define IT87_INIT_TEMP_LOW_1 200 The hardware uses degrees C, and sysfs uses degrees C * 1000. But these #defines are apparently in units of degrees C * 10. This arbitrary intermediate representation bugs me. And given the new 2.5 sysfs standard, it's unnecessary. In this patch for lm78, I rewrote the conversion routines in terms of the sysfs units - getting rid of the intermediate nonsense. If there are no objections, I'm going to start passing patches to do this to the other sensor chip drivers in 2.5 as well. It would be nice to get some help with this too... especially since I don't have all that hardware at hand to test the results. [kobject] Add sequence number to kobject hotplug. [PATCH] I2C: lm85 fixups OK Here's the patch which : 1) Fixes the race conditions 2) Correctly reports the temps :-) 3) Removes a bit of gunk in the defines which I forgot [driver model] Remove struct sys_device::entry It was added by accident from another patch and is redundant with struct sys_device::kobj.entry. [PATCH] I2C: w83781d bugfix My first patch was naive; the patch below solves the problem by letting w83781d_detach_client remove the three clients (1 * primary + 2 * subclients) independently. It's a noisy patch because I had to change the way the subclients were kmalloc'ed - sorry. The meat is around line 1422. This patch works for me... comments? [driver model] Call the i8253 a PIT, not an RTC. Stupid naming tricks; my bad. [PATCH] I2C: ICH5 SMBus and W83627THF additions I have been trying to get the W83627THF chip working on this board. It is an Asus P4C800 with Intel 875p chipset and a W83627THF connected via the SMBus. There are no data sheet for the W83627THF as far as I can see, but supposidly it is a W83627HF with advance Fan control, etc. I have applied attached patches, and tried various other things to get it to work, but no avail. The SMBus on the ICH5 seems to work, and it seems to detect the sensor chip just fine, but it do not seem to read any values from the W83627THF. [PATCH] I2C: add lm78 chip to Makefile [PATCH] I2C: Sensors patch for adm1021 Patch for adm1021 This corrects temp reporting and a major error whereby "alarms" and "die_code" were being put though the "TEMP" macro. Compiled but don't have the hardware to test. [PATCH] I2C: fix for previous W83627THF sensor chip patch Ok, I was wrong in assuming that the W83627THF was on the I2C bus. It is on the ISA bus, id 0x90 (thanks to Alex Van Kaam author of MBM who corrected my assumption). [PATCH] USB: fixed up some __user warnings reported by sparse in drivers/usb/net/* I2C: fix resource leak in i2c-ali15x3.c [PATCH] USB storage: cleanups Some minor cleanups. First, some locking in the bus-reset. Next, we move current_sg into struct us_data (why make more memory allocation issues for ourselves?). Next, we change sm_state into a normal variable, since it shouldn't require atomic_t anytmore. Finally, we remove some references to a couple of flags that don't do anything anymore. # Fix device locking during the bus-reset routine. # # Embed current_sg in struct us_data. # # Make us->sm_state a regular int instead of an atomic_t. # # Remove a couple of references to the START_STOP and IGNORE_SER # flag bits. [PATCH] USB storage: unusual_devs fixups This patch implements US_PR_DEVICE and US_SC_DEVICE, which have the meaning 'use the device's value -- no override'. This should make maintance easier, and also allow for those few devices that change their descriptors depending on what they are connected to. This will also print a message to help us identify entries that can be pruned. Finally, it removes a couple of dead flags. [PATCH] USB storage: more cleanups This patch (a) removes dead code, (b) renames some static functions with names that are more apropriate for static functions, and (c) implements a slave_configure() function. With the patch I just sent to Linus (et al.) to fix the SCSI core to allow slave_configure() to tweak (meaningfully) the two variables I need to set, we'll be able to remove US_FL_MODE_XLATE. (Well, actually, we also need to fix sr.c to respect the use_10_for_ms flag, but that should be easy once the rest is done.) [NET]: alloc_netdev for shaper. [PATCH] USB: AX8817X Driver for 2.5 [PATCH] USB: fix up sparse warnings in ax8817x driver o sock: remove sk_prev Move it to the protocols that we're using this pointers for other purposes than a list pointer as the name implies, namely tcp and sctp, where they are used as a pointer to the bind_hash. Shrink, struct sock, shrink! :-) [SPARC]: C99 initializers for xor.h [PATCH] USB storage: avoid NULL-ptr OOPS This patch will avoid a NULL-pointer dereference OOPS which is caused by oddly-formed (yet legal) INQUIRY commands that request 0 bytes. [PATCH] PCI: Tidy up sysfs a bit This patch contains a set of uncontroversial changes to PCI sysfs. - Always output 64-bit resources so userspace doesn't need ifdefs and 32-bit userspace works on 64-bit architectures. Separate them with spaces rather than tabs. - Prefix hex quantities with "0x" - Always show 7 resources for non-bridge devices, and all resources for bridges rather than stopping on the first empty resource. o ipx: fix var shadowing paramente with CONFIG_IPX_INTERN is enabled Which is 0.1% of the times, I'll have to research usage and eventually kill this uglymoron that is responsible for 9 out of 10 "ipx is not working with mars_nwe, why?" answer "Disable the damn CONFIG_IPX_INTERN and be happy!" Thanks to Geert for reporting thisn in lkml. [PATCH] USB: ehci-hcd micro-patch This is a handful of one-liners, significantly: - don't disable "park" feature (faster). - cut'n'paste should have morphed "||" to "&&" - initialize qh as "live" (as now expected) The "&&" was the most troublesome bug. It could make all kinds of things misbehave, not just those vt6202 issues some folks report. The interesting bit about the "park" feature (NForce2 has it, maybe a few others) is that it made one disk run 18% faster (according to hdparm). [PATCH] fixes compile error in inia100.c The attached patch fixes the compile errors in inia100.c described in Bugzilla bug #345 at It was built against 2.5.71. I do not have the hardware, so I have only verified that it compiles correctly. [NET]: Fix module owner for bonding driver. [PATCH] USB: net2280, halt ep != 0 Fix from, should fix a chapter 9 test conformance issue. [PATCH] PCI: move pci_domain_nr() inside "#ifdef CONFIG_PCI" bracket Trivial build fix: pci_domain_nr() cannot be declared unless CONFIG_PCI is defined (otherwise, struct pci_bus hasn't been defined). [PATCH] sd.c: set data direction to SCSI_DATA_NONE for START_STOP while trying to access a disk drive via an FCP bridge we got an FCP_RSP IU with the RSP_CODE field set to "FCP_CMND Fields Invalid". This happened after sending a START_STOP command to the device. Reason for this was that the FCP_CMND IU incorrectly had the RDDATA field set to one, because of a bug in sd_spinup_disk(). There the data direction for START_STOP is set to SCSI_DATA_READ instead of SCSI_DATA_NONE. Please apply the patch below. Thanks, Heiko [PATCH] dm: dm-ioctl.c: Unregister with devfs before renaming the device DM originally stored a devfs handle in the hash-cell, and performed the unregister based on that handle. These devfs handles have since been removed, and devices are registered and unregistered simply based on their names. So the device now needs to be unregistered before we lose the name. See the following BK change for more details:|src/|src/drivers|src/drivers/md|hist/drivers/md/dm-ioctl.c [Kevin Corry] ia64: Sync with 2.5.71. [PATCH] nfs_unlink() fix and trivial nfs_fhget cleanup Don't remove sillyrenamed files: those will be removed (by nfs_async_unlink) when they are no longer used any more. Remove double initialization of "i_mode" in __nfs_fhget(). PCI: add locking to the pci device lists. This also creates two new functions, pci_get_device() and pci_get_subsys() which should be used from now on instead of pci_find_device() and pci_find_subsys(). Thanks to Chris Wright and Andrew Morton for help in reviewing these changes. [PATCH] USB: Patch for Vivicam 355 Fix SCSI ID setting for HP Cirrus-II card [PATCH] USB: fix up sparse warnings in drivers/usb/class/* [IPV4/IPV6]: Make sure SKB has enough space while building IGMP/MLD packets. [PATCH] USB: fix up sparse warnings in drivers/usb/misc/* [kobject] Remove Stupid Documentation License ia64: Initial sync with 2.5.72. [driver model] Export sysdev_{create,remove}_file(). From Andreas Happe. [ATM]: Split atm_ioctl into vcc_ioctl and atm_dev_ioctl. [SPARC64]: Fix wal_to_monotonic initialization. SCSI: tidy up io vs mem mapping in 53c700 driver The parisc ports may use both the lasi700 and sim710 versions of this driver Unfortunately, one must be memory mapped, and one must be IO mapped, so add code to the driver for this case [driver model] Make sure type is set correctly for system devices. [PATCH] aha1740.c doesn't compile. [ATM]: Remove recvmsg and rename atm_async_release_vcc. [SPARC]: Fix wall_to_monotonic initialization. [ATM]: Keep vcc's on global list instead of per device. [ATM]: Revert vcc global list changes, broke the build. [IPV6]: Fix warnings in ip6ip6 tunnel driver. [IPV6]: Fix xfrm bundle address setup and comparisons. o net: make sk_{add,del}_node functions take care of sock refcounting With this we make it easier to write correct network families as less details need to be taken into account, as well in the current state we make the non-refcounting protocols (the ones still keeping deliver_to_old_ones in the tree) suck less. 8) Left a WARN_ON in sk_del_node_init for a while, so that we can catch cases where we're using __sock_put on a struct sock that has refcnt == 1, which is not the case for all the ones I tested. [NET]: Fix namespace pollution in two wireless drivers. [PATCH] eata and u14-34f update Here enclosed an update for the new IRQ and module_param APIs. eata.h and u14-34f.h are no longer used and will be deleted. ACPI: Interpreter update to 20030619 - Fix To/FromBCD, eliminating the need for an arch-specific #define - Do not acquire a semaphore in the S5 shutdown path - Fix ex_digits_needed for 0 (Takayoshi Kochi) - Fix sleep/stall code reversal (Andi Kleen) - Revert a change having to do with control method calling semantics o hlist change on sctp not quite right. [PATCH] USB: convert kaweth to usb_buffer_alloc - switch to usb_buffer_alloc [IPV6]: Use in6_dev_hold/__in6_dev_put in net/ipv6/mcast.c o llc: don't use inverted logic I don't understand what was on the mind of Procom programmers, why do all this inverted logic? Its plain confusing, revert it. Thanks to DaveM for asking if the logic was inverted, I should have killed this weird stuff a long time ago :-\ [PATCH] USB: usbnet talks to boot loader (blob) Boot ROMs have talked TFTP forever. Some do it over USB now. Fix moxa compile (at least for UP) and remove a few warnings. From Adrian Bunk. [PATCH] kNFSd: Fix bug in svc_pushback_unused_pages that occurs on zero byte NFS read svc_pushback_unused_pages must be ready of the possibility that no pages were allocated or will need to be pushed back. [PATCH] kNFSd: Assorted fixed for NFS export cache The most significant fix is cleaning up properly when nfs service is stopped. Also fix some refcounting problems and other little bits. [PATCH] kNFSd: Make sure an early close on a nfs/tcp connection is handled properly. From: Hirokazu Takahashi In svc_tcp_listen_data_ready we should be waiting for TCP_LISTEN, not TCP_ESTABLISHED. The later only worked by accident. Also, if a socket is closed as soon as we accept it, we must shut it down straight away as we will never get a 'close' event. [PATCH] kNFSd: Allow nfsv4 readdir to return filehandle when a mountpoint is found is a directory From: "William A.(Andy) Adamson" When readdir is enumerating a directory and finds a mountpoint, it needs to do a bit of extra work to find the filehandle to be returned in the readdir reply. It is even possible that finding the filehandle requires an up-call, so the request might be dropped to be re-tried later. [PATCH] kNFSd: Make sure unused bits of NFSv4 xfr buffered are zero.. [PATCH] kNFSd: RENEW and lease management for NFSv4 server From: "William A.(Andy) Adamson" Put all clients in a LRU list and use a "work_queue" to expire old clients periodically. [PATCH] kNFSd: Do NFSv4 server state initialisation when nfsd starts instead of when module loaded. From: "William A.(Andy) Adamson" [PATCH] kNFSd: Set nfsd user every time a filehandle is verified. request might traverse several export points which may have different uid squashing. [PATCH] Consolidate Kconfigs for binfmts This patch creates fs/Kconfig.binfmt and converts all architectures to use it. I took the opportunity to spruce up the a.out help text for the new millennium. [PATCH] syncppp fixes - Fix 'badness in local_bh_enable' warning This involved moving dev_queue_xmit() calls outside of sections with spinlock held. - Fix 'fix old protocol handler' warning This includes accounting for shared skbs, setting protocol .data field to non-null, and adding per device synchronization to receive handler. This has been tested in PPP and Cisco modes with and with out the keepalives enabled on a SMP machine. [PATCH] OProfile: small NMI shutdown fix Reduce the possibility of dazed-and-confuseds. [PATCH] OProfile: IO-APIC based NMI delivery Use the IO-APIC NMI delivery when the local APIC performance counter delivery is not available. By Zwane Mwaikambo. [PATCH] OProfile: thread switching performance fix Avoid the linear list walk of get_exec_dcookie() when we've switched to a task using the same mm. [PATCH] Fix compat_sys_getrusage. Again I must not ignore compiler warnings. I must not ignore compiler warnings. I must not ignore compiler warnings. [PATCH] v850 whitespace tweaks [PATCH] Add .con_initcall.init section on v850 [PATCH] Add linker script support for v850 "rte_nb85e_cb" platform [PATCH] Add __raw_ read/write ops to v850 io.h [PATCH] ext3: move lock_kernel() down into the JBD layer. This is the start of the ext3 scalability rework. It basically comes in two halves: - ext3 BKL/lock_super removal and scalable inode/block allocators - JBD locking rework. The ext3 scalability work was completed a couple of months ago. The JBD rework has been stable for a couple of weeks now. My gut feeling is that there should be one, maybe two bugs left in it, but no problems have been discovered... Performance-wise, throughput is increased by up to 2x on dual CPU. 10x on 16-way has been measured. Given that current ext3 is able to chew two whole CPUs spinning on locks on a 4-way, that wasn't especially suprising. These patches were prepared by Alex Tomas and myself. First patch: ext3 lock_kernel() removal. The only reason why ext3 takes lock_kernel() is because it is requires by the JBD API. The patch removes the lock_kernels() from ext3 and pushes them down into JBD itself. [ARM] Separate ICS525 VCO calculation code. The ICS525 clock chip is used in several different parts of the Integrator platform. Rather than duplicate the code, separate it out so everyone can use it. [PATCH] JBD: journal_get_write_access() speedup Move some lock_kernel() calls from the caller to the callee, reducing holdtimes. [ARM] Add AMBA bus type for ARM PrimeCells on Integrator. [PATCH] ext3: concurrent block/inode allocation From: Alex Tomas This patch weans ext3 off lock_super()-based protection for the inode and block allocators. It's basically the same as the ext2 changes. 1) each group has own spinlock, which is used for group counter modifications 2) sb->s_free_blocks_count isn't used any more. ext2_statfs() and find_group_orlov() loop over groups to count free blocks 3) sb->s_free_blocks_count is recalculated at mount/umount/sync_super time in order to check consistency and to avoid fsck warnings 4) reserved blocks are distributed over last groups 5) ext3_new_block() tries to use non-reserved blocks and if it fails then tries to use reserved blocks 6) ext3_new_block() and ext3_free_blocks do not modify sb->s_free_blocks, therefore they do not call mark_buffer_dirty() for superblock's buffer_head. this should reduce I/O a bit Also fix orlov allocator boundary case: In the interests of SMP scalability the ext2 free blocks and free inodes counters are "approximate". But there is a piece of code in the Orlov allocator which fails due to boundary conditions on really small filesystems. Fix that up via a final allocation pass which simply uses first-fit for allocatiopn of a directory inode. [ARM] Convert ambakmi.c to AMBA device driver. This cset makes use of our AMBA device model, thereby allowing the "KMI" PrimeCell driver to become ARM platform independent. [PATCH] ext3: scalable counters and locks From: Alex Tomas This is a port from ext2 of the fuzzy counters (for Orlov allocator heuristics) and the hashed spinlocking (for the inode and bloock allocators). [ARM] Tighten virt_addr_valid(), add comments for __pa and friends. Ensure virt_addr_valid(x) works correctly for pointers. Add comments indicating that drivers should not use virt_to_phys and/or __pa to obtain an address for DMA. [PATCH] JBD: fix race over access to b_committed_data From: Alex Tomas We have a race wherein the block allocator can decide that journal_head.b_committed_data is present and then will use it. But kjournald can concurrently free it and set the pointer to NULL. It goes oops. We introduce per-buffer_head "spinlocking" based on a bit in b_state. To do this we abstract out pte_chain_lock() and reuse the implementation. The bit-based spinlocking is pretty inefficient CPU-wise (hence the warning in there) and we may move this to a hashed spinlock later. [ARM] Fix sa1100 irq.c build errors. Fix a couple of minor build errors caused by the recent system device changes. [PATCH] JBD: plan JBD locking schema This is the start of the JBD locking rework. The aims of all this are to remove all lock_kernel() calls from JBD, to remove all lock_journal() calls (the context switch rate is astonishing when the lock_kernel()s are removed) and to remove all sleep_on() instances. The strategy which is taken is: a) Define the lcoking schema (this patch) b) Work through every JBD data structure and implement its locking fully, according to the above schema. We work from "innermost" data structures and outwards. It isn't guaranteed that the filesystem will work very well at all stages of this patch series. In this patch: Add commentary and various locks to jbd.h describing the locking scheme which is about to be implemented. Initialise the new locks. Coding-style goodness in jbd.h [ARM] Fix flush_cache_page address parameter. Noticed by Jun Sun. [PATCH] JBD: remove jh_splice_lock This was a strange spinlock which was designed to prevent another CPU from ripping a buffer's journal_head away while this CPU was inspecting its state. Really, we don't need it - we can inspect that state directly from bh->b_state. So kill it off, along with a few things which used it which are themselves not actually used any more. [ARM] Allow ECC and cache write allocations on ARMv5 and higher CPUs. All current CPUs of ARMv5 or later can have ECC memory and can support write allocations. [PATCH] JBD: fine-grain journal_add_journal_head locking buffer_heads and journal_heads are joined at the hip. We need a lock to protect the joint and its refcounts. JBD is currently using a global spinlock for that. Change it to use one bit in bh->b_state. [ARM] Fix SECURITY_INIT in linker script. SECURITY_INIT doesn't work when it is placed inside an output section. Use our own version instead. [PATCH] JBD: rename journal_unlock_journal_head to journal_unlock_journal_head() is misnamed: what it does is to drop a ref on the journal_head and free it if that ref fell to zero. It doesn't actually unlock anything. Rename it to journal_put_journal_head(). [PATCH] JBD: Finish protection of journal_head.b_frozen_data We now start to move across the JBD data structure's fields, from "innermost" and outwards. Start with journal_head.b_frozen_data, because the locking for this field was partially implemented in jbd-010-b_committed_data-race-fix.patch. It is protected by jbd_lock_bh_state(). We keep the lock_journal() and spin_lock(&journal_datalist_lock) calls in place. Later, spin_lock(&journal_datalist_lock) is replaced by spin_lock(&journal->j_list_lock). Of course, this completion of the locking around b_frozen_data also puts a lot of the locking for other fields in place. [PATCH] JBD: implement b_committed_data locking Implement the designed locking schema around the journal_head.b_committed_data field. [PATCH] JBD: implement b_transaction locking rules Go through all use of b_transaction and implement the rules. Fairly straightforward. [PATCH] JBD: Implement b_next_transaction locking rules Go through all b_next_transaction instances, implement locking rules. (Nothing to do here - b_transaction locking covered it) [PATCH] JBD: b_tnext locking Implement the designated b_tnext locking. This also covers b_tprev locking. [PATCH] JBD: remove journal_datalist_lock This was a system-wide spinlock. Simple transformation: make it a filesystem-wide spinlock, in the JBD journal. That's a bit lame, and later it might be nice to make it per-transaction_t. But there are interesting ranking and ordering problems with that, especially around __journal_refile_buffer(). [PATCH] JBD: t_nr_buffers locking Now we move more into the locking of the transaction_t fields. t_nr_buffers locking is just an audit-and-commentary job. [PATCH] JBD: t_updates locking Provide the designating locking for transaction_t.t_updates. [PATCH] JBD: implement t_outstanding_credits locking Implement the designed locking for t_outstanding_credits [PATCH] JBD: implement t_jcb locking Provide the designed locking around the transaction's t_jcb callback list. It turns out that this is wholly redundant at present. [PATCH] JBD: implement j_barrier_count locking We now start to move onto the fields of the topmost JBD data structure: the journal. The patch implements the designed locking around the j_barrier_count member. And as a part of that, a lot of the new locking scheme is implemented. Several lock_kernel()s and sleep_on()s go away. [PATCH] JBD: implement j_running_transaction locking Implement the designed locking around journal->j_running_transaction. A lot more of the new locking scheme falls into place. [PATCH] JBD: implement j_committing_transaction locking Go through all sites which use j_committing_transaction and ensure that the deisgned locking is correctly implemented there. [PATCH] JBD: implement j_checkpoint_transactions locking Implement the designed locking around j_checkpoint_transactions. It was all pretty much there actually. [PATCH] JBD: implement journal->j_head locking Implement the designed locking around journal->j_head. [PATCH] JBD: implement journal->j_tail locking Implement the designed locking around journal->j_tail. [PATCH] JBD: implement journal->j_free locking Implement the designed locking around journal->j_free. Things get a lot better here, too. [PATCH] JBD: implement journal->j_commit_sequence locking Implement the designed locking around journal->j_commit_sequence. [PATCH] JBD: implement j_commit_request locking Impement the designed locking around journal->j_commit_request. [PATCH] JBD: implement dual revoke tables. From: Alex Tomas We're about to remove lock_journal(), and it is lock_journal which separates the running and committing transaction's revokes on the single revoke table. So implement two revoke tables and rotate them at commit time. [PATCH] JBD: remove remaining sleep_on()s Remove the remaining sleep_on() calls from JBD. [PATCH] JBD: remove lock_kernel() lock_kernel() is no longer needed in JBD. Remove all the lock_kernel() calls from fs/jbd/. Here is where I get to say "ex-parrot". [PATCH] JBD: remove lock_journal() This filesystem-wide sleeping lock is no longer needed. Remove it. [PATCH] JBD: journal_release_buffer: handle credits fix There's a bug: a caller tries to journal a buffer and then decides he didn't want to after all. He calls journal_release_buffer(). But journal_release_buffer() is only allowed to give the caller a buffer credit back if it was the caller who added the buffer in the first place. journal_release_buffer() currently looks at the buffer state to work that out, but gets it wrong: if the buffer has been moved onto a different list by some other part of ext3 the credit is bogusly not returned to the caller and the fs can later go BUG due to handle credit exhaustion. The fix: Change journal_get_undo_access() to return the number of buffers which the caller actually added to the journal. (one or zero). When the caller later calls journal_release_buffer(), he passes in that count, to tell journal_release_buffer() how many credits the caller should get back. For API consistency this change should also be made to journal_get_create_access() and journal_get_write_access(). But there is no requirement for that in ext3 at this time. The remaining bug: This logic effectively gives another transaction handle a free buffer credit. These could conceivably accumulate and cause a journal overflow. This is a separate problem and needs changes to the t_outstanding_credits accounting and the logic in start_this_handle. [PATCH] JBD: journal_unmap_buffer race fix We need to check that buffer is still journalled _after_ taking the right locks. [PATCH] ext3: ext3_writepage race fix After ext3_writepage() has called block_write_full_page() it will walk the page's buffer ring dropping the buffer_head refcounts. It does this wrong - on the final loop it will dereference the buffer_head which it just dropped the refcount on. Poisoned oopses have been seen against bh->b_this_page. Change it to take a local copy of b_this_page prior to dropping the bh's refcount. [PATCH] JBD: buffer freeing non-race comment Add a comment describing why a race isn't there. [PATCH] JBD: add some locking assertions Drop in a few assertions to ensure that the locking rules are being adhered to. [PATCH] JBD: additional transaction shutdown locking Plug a conceivable race with the freeing up of trasnactions, and add some more debug checks. [PATCH] JBD: fix log_start_commit race In start_this_handle() the caller does not have a handle ref pinning the transaction open, and so the call to log_start_commit() is racy because some other CPU could take the transaction into commit state independently. Fix that by holding j_state_lock (which pins j_running_transaction) across the log_start_commit() call. [PATCH] JBD: do_get_write_access() speedup Avoid holding the journal's j_list_lock while copying the buffer_head's data. We hold jbd_lock_bh_state() during the copy, which is all that is needed. [PATCH] ext3: fix data=journal mode ext3's fully data-journalled mode has been broken for a year. This patch fixes it up. The prepare_write/commit_write/writepage implementations have been split up. Instead of having each function handle all three journalling mode we now have three separate sets of address_space_operations. The problematic part of data=journal is MAP_SHARED writepage traffic: pages which don't have buffers. In 2.4 these were cheatingly treated as data-ordered buffers and that caused several nasty problems. Here we do it properly: writepage traffic is fully journalled. This means that the various workarounds for the 2.4 scheme can be removed, when I remember where they all are. The PG_checked flag has been borrowed: it it set in the atomic set_page_dirty a_op to tell the subsequent writepage() that this page needs to have buffers attached, dirtied and journalled. This rather defines PG_checked as "fs-private info in page->flags" and it should be renamed sometime. [PATCH] JBD: journal_try_to_free_buffers race fix There is a race between transaction commit's attempt to free journal_heads and journal_try_to_free_buffers' attempt. Fix that by taking a ref against the journal_head in journal_try_to_free_buffers(). [PATCH] ext3: add a dump_stack() add a dump_stack() to a can't-happen path which happened during development. [PATCH] ext3: fix error-path handle leak The ioctl handler can leave a transaction open on an error path. That will wedge up the filesystem. [PATCH] ext3: Fix leak in ext3_acl_chmod() From: Andreas Gruenbacher This function can leak a posix_acl on an error path. [PATCH] ext3: remove mount-time diagnostic messages ext3 no longer keeps the filesystem-wide free blocks counter and free inodes counter up to date all the time in the superblock. Because that requires fs-wide locking. These counters are only needed at runtime for the Orlov allocator heuristics, and we are now using a fuzzy per-cpu coutner for that. These counters are rather unnecessary: the same info is present in the file allocation maps and inode tables, the group descriptor blocks and the bitmaps. e2fsck will be changed to downgrade the seriousness of this inconsistency. The filesystem _will_ write these numbers out in the superblock on a clean unmount, based on the sum of the free block and inode counts in the group descriptors. [PATCH] JBD: journal_dirty_metadata() speedup Before taking the highly-taken j_list_lock, take a peek to seem if this buffer is already journalled and in the appropriate state. [PATCH] JBD: journal_dirty_metadata diagnostics Try to trap some more state when an assertion which cannot happen happens. [PATCH] JBD: fix race between journal_commit_transaction and start_this_handle() can decide to add this handle to a transaction, but kjournald then moves the handle into commit phase. Extend the coverage of j_state_lock so that start_this_transaction()'s examination of journal->j_state is atomic wrt journal_commit_transaction(). [PATCH] ext3: fix data=journal for small blocksize Fix various problems which cropped up due to MAP_SHARED traffic on data=journal with blocksize < PAGE_CACHE_SIZE. All relate to handling the "pending truncate" buffers outside i_size. [PATCH] JBD: remove j_commit_timer_active This was a flag which said "the transaction's time is active". timer_pending() could have told us that, but in fact there is no need to query it at all. [PATCH] ext3: explicitly free truncated pages With data=ordered it is often the case that a quick write-and-truncate will leave large numbers of pages on the page LRU with no ->mapping, and attached buffers. Because ext3 was not ready to let the pages go at the time of truncation. These pages are trivially reclaimable, but their seeming absence makes the VM overcommit accounting confused (they don't count as "free", nor as pagecache). And they make the /proc/meminfo stats look odd. So what we do here is to try to strip the buffers from these pages as the buffers exit the journal commit. [PATCH] JBD: log_do_checkpoint() locking fixes log_do_checkpoint is playing around with a transaction pointer without enough locking to ensure that it is valid. Fix that up by revalidating the transaction after acquiring the right locks. [PATCH] JBD: fix locking around log_start_commit() There are various places in which JBD is starting a commit against a transaction without sufficient locking in place to ensure that that transaction is still alive. Change it so that log_start_commit() takes a transaction ID instead. Make the caller take a copy of that ID inside the appropriate locks. [PATCH] JBD: hold onto j_state_lock after Minro tweak: once log_wait_for_space() has created sufficient space in the journal to start the new handle, hang onto the spinlock as start_this_handle() loops around to reevaluate the journal's state. It prevents anyone else from zooming in and stealing the space we just made. [PATCH] ext3: disable O_DIRECT in journalled-data mode We cannot sensibly support O_DIRECT reads or writes when all writes are journalled. This is because the VFS explicitly avoids syncing the file metadata during O_DIRECT reads and writes. ext3 with journalled data will leave pending changes in memory and they will overwrite the results of O_DIRECT writes, and O_DIRECT reads will not return the latest data. Setting the a_op to null will cause opens and fcntl(F_SETFL) to return -EINVAL if O_DIRECT is requested. [PNP] Resource Management Cleanups and Updates This patch does the following... 1.) changes struct pnp_resources to pnp_option for clarity 2.) greatly cleans up resource option registration 3.) removes some of the current conflict prevention code in order to increase flexibility, (users will have more control) 4.) various manager cleanups, resulting code is more efficient 5.) fixes the locking bugs many have reported (now uses a mutex) 6.) removes the conflict displaying interface - it is better to handle such things in user space 7.) also many misc. cleanups [PNP] /drivers/pnp/resource.c check_region warning fix This patch resolves the compiler warning caused by the depreciated check_region function. It may not be the best solution but check_region really is what is needed here because we never actually have to call "request_region". If prefered, I could alternatively request and release but doing so would be less efficient. [SPARC]: ESP scsi driver already has a release method, do not add a second one :-) ISDN: Make isdn_tty.c compile again The tty changes introduced some typos. These are now fixed, this doesn't really address probably still existing races, though. [PNP] Module Compilation Fix Fixes a trivial typo in an export symbol macro. ISDN: Make PPP compressors unload-safe. Remove MOD_{INC,DEC}_USE_COUNT and introduce .owner instead. [NET]: Use alloc_netdev in bonding driver. [PNP] PnPBIOS resource setting fix If a device is disabled when initially read, its blank resource data will not be cleared and the pnp layer will assume incorrectly that the device has already been configured. This patch resolves the issue by initializing the resource table if the device is found to be disabled. ISDN: Use standard list for PPP compressors replace the somewhat weird open-coded doubly-linked list with a list. [NET]: Move Red Creek VPN drier to alloc_etherdev(). [PNP] re-add the previously removed "get" command in interface.c. This patch adds the "get" command because at this point it is needed for debugging. ISDN: Protect ipc_head list Make sure that the ipc_head list cannot change under us by protecting it with a spin lock. [NET]: Kill unused function in Red Creek VPN driver. [PNP] Trivial Typo fix regarding DMAs The irq index is used instead of the dma index when parsing dmas. [NET]: Mark skb_linearize() as deprecated. [PNP] Remove some leftover resource config options in isapnp Must have missed it earlier, but the pci module parameter is not needed. [IPV4/IPV6]: Fix IGMP device refcount leaks, with help from [PNP] Important Resource Parsing Fixes In some cases, we're reading the wrong bits for large tags. This patch corrects the issue by setting the affected bits forward by an offset of 2 (skipping over the size portion of the tag). [NET]: Export netdev_boot_setup_check. [ATM]: Fix possible unlock of a non-locked lock in HE driver. [PATCH] re-enable the building of 8250_hcdp and 8250_acpi This adds a separate SERIAL_8250_ACPI config option and makes the 8250_acpi.c code dependent on ACPI_BUS (since acpi_bus_register_driver() is a prerequisite). [NET]: Fix per-cpu flow cache initialization. [PATCH] alpha srmcons fix Add missing tty_set_operations(). Ivan. [PATCH] DRIVER: request_firmware() hotplug interface [NET]: Check for flow cache allocation failure. DRIVER: firmware class build cleanups Made variables static that were global, and cleaned up some sparse warnings. [PATCH] alpha oprofile fix The oprofile_arch_exit() in discarded .exit.text section is being called from oprofile_init() in retained .init.text section. This causes final link failure with oprofile compiled in. Ivan. [PATCH] C99 initializers for asm-alpha/include/xor.h This patch converts the file to C99 initializers. The patch is against the current BK. The patch is untested as I don't have access to an Alpha machine. Art Haas [NET]: Remove duplicate linux/interrupt.h include in net/core/flow.c [PATCH] DRIVER: request_firmware() hotplug interface documentation [PATCH] any_online_cpu for arch/alpha/kernel/smp.h [NET]: Fix jiffies races in net/sched/sch_htb.c [PATCH] DRIVER: request_firmware() vmalloc patch Kay Sievers tried with his ~500kB firmware image and kmalloc was not capable of getting that much memory. He suggested using vmalloc which sound reasonable. DRIVER: make generic driver menu option, and move firmware selection there. [ALPHA] Fix memmove/memset GP interaction. [NET]: Add prefetch to skb_queue_walk. DRIVER: add drivers/base/Kconfig to all arch main Kconfig files. [ALPHA] Implement execve entirely in assembly. Force KSP to the top of the kernel stack space before entering userland. [NET]: Missing owner field on pppoe /proc [NET]: Use unlikely and BUG_ON in SKB assertions. [NET]: Let arptables see bridged arp traffic. [NET]: Size hh_cache->hh_data more appropriately. [PATCH] Add 2 HP PCI ids Trivial addition needed for the hp Itanium machines. [PATCH] init_thread_union really needed by modules? init_thread_union doesn't need to be exported to modules. We haven't exported the symbol on ia64 for ages, and we should be able to make the init_thread_union local to arch/ARCH/kernel/init_task.c and that in turn would let us remove its declaration from include/linux/sched.h altogether (i.e., no more ugly #ifdefs). input: logical maximum and minimum can have the same value in HID. [PATCH] Remove copied inet_aton code in bond_main.c According to a report the my_inet_aton code in bond_main.c is copied from 4.4BSD, but it doesn't carry a BSD copyright license. In addition it is somewhat redundant with the standard in_aton. Convert it to use the linux function. Error handling is a bit worse than before, but not much. Patch for 2.5 bonding. The 2.4 version has the same problem, but afaik it is scheduled to be replaced by the 2.5 codebase anyways. -Andi [AIC79XX]: Protect ahd_linux_pci_reserve_mem_region with MMAPIO. [ARM] fix missing includes in pm.c [KCONFIG]: Fix pointer cast from int in mconf.c [netdrvr amd8111e] fix spinlock recursion / if close failure [SCSI] Fix powertec.c build errors. [PATCH] PCI: pci_raw_ops patch to fix acpi on ia64 [netdrvr ixgb] fix clash with newly-updated ethtool.h [INITRAMFS]: Use correct size_t printf format in gen_init_cpio.c PCI: merge bits missed from the pci locking patch. [ARM] Remove unnecessary redefinition of predeclared register aliases. input: Fix misdetection of PS2 mice as AT keyboards on non-PC machines where ATKBD_CMD_RESET_BAT is used. [PROC]: Printf field widths must be of type int, fix this in task_mmu.c. PCI: well, everyone is treating me like the maintainer... And Martin has said he doesn't want to do it for 2.5/2.6 [ARM] Add new machine types. input: Add locking to serio.c [PATCH] Remove warning due to comparison in drivers/net/pcnet32.c drivers/net/pcnet32.c: In function `pcnet32_init_ring': drivers/net/pcnet32.c:1006: warning: comparison between pointer and integer [PATCH] xirc2ps_cs update hi this patch does: - net_device is no longer allocated as part of the driver's private structure, instead it's allocated via alloc_netdev - xirc2ps_detach calls xirc2ps_release if necessary (like the other drivers) against 2.5.70-bk. rgds -daniel input: remove unused var from serio struct [SOUND]: Fix 64-bit warnings in korg1212 driver. 1) Use proper size_t printf format specifier. 2) Eliminate non-portable struct pointer casts used to calculate DMA structure offsets. [PATCH] PCI: rename pci_get_dev() and pci_put_dev() to pci_dev_get() and pci_dev_put() This makes things more consistant with the other get and put functions in the driver code. [ARM] Add SA11x0 UDC DMA mask support, and SSP platform device [PATCH] xirc2ps_cs update the second patch: replaces busy_loop with a simple macro doing a schedule_timeout. busy_loop was never called from interrupt conext anyway, so no need for that. and the sti() is gone. rgds -daniel [AACRAID]: Fix 64-bit warnings/errors. 1) Do not pass NULL into cpu_to_le32(), use plain zero. 2) When storing DMA addresses to SCp.ptr, cast to ulong. input: Fix gameport.c - gameport was never closed after calibrating [NET]: Don't compare a dma_addr_t with NULL in pcnet32.c [netdrvr sis900] add new phy id to phy table (pulled change from 2.4) [NET]: Use proper size_t printf format specifier in sundance.c [netdrvr tulip] Kconfig help text fix While there is a separate driver for 2104x tulips (CONFIG_DE2104X), drivers/net/tulip/Kconfig states that CONFIG_TULIP also supports 2104x tulips. This is not the case since that support was removed in December 2001. A user with an old tulip may thus be tricked into configuring the wrong driver. (I was, on my PMac 4400.) The patch below removes this misinformation from tulip's Kconfig. input: Add Logitech MX PS2++ support, move Logitech PS2++ code to a separate source file, always enable Synaptics support. Some more fixes in Synaptics code and documentation. [IRDA]: Fix 64-bit warnings. 1) Use proper size_t printf format specifier 2) Cast pointers properly when passing them to hashfind 3) Print pointers using proper printf format specifier instead of using ugly casts. input: Three fixes for the uinput userspace input device driver. [TELEPHONY]: Fix 64-bit warnings in ixj.c 1) Use unsigned long for types holding jiffies. 2) Use size_t for read/write buffer lengths. 3) Use proper printf format string for size_t. input: Change order of search for beeper devices in keyboard.c, so that it is easier to replace a beeper with a different driver input: fix double kfree of device->rdesc on hid_parse_parse error path in hid-core.c [NCPFS]: Use proper size_t printf format specifier in sock.c [SPARC64]: Update defconfig. input: Fixes for sidewinder.c: Workaround for misbehaving 3DPro joysticks, don't trust FreestylePro 1-bit data packet for data width recognition, invert FreestylePro buttons. [NET]: Fix ppp_async tty discipline module ref counting. input: make GC_PSX_DELAY lower (25 usec instead of 60), to burn less CPU time while reading PSX pads, and make it a module parameter also, for devices which would need the huge value of 60. [NET]: More error checking in flow cache init function. [IPV4]: Do not use skb_linearize() in ARP handling. [IPV6]: Do not use skb_linearize() in ICMP/NDISC handling. [PATCH] Enhanced SiS96x support This is an update for the SiS IDE driver. This is a 99% Vojtech work : - Independant southbridge detection (no need to add current and future MuTIOL northbridge PCI ids knowledge to the driver), - Lots of code cleanup, - Debug code removed (unused for a while, I will maintain it in my tree if needed), I changed some things: - the new config_xfer_rate is commented out until ide_find_best_mode is patched for bad drive handling (until then I reverted to the old one using the config_drive_xfer_rate helper function). Cset exclude:|ChangeSet|20030621161842|52492 [PATCH] reimplement pci proc name Hi Greg. Ivan's not happy with the solution I came up with for naming /proc/bus/pci and Anton would prefer something slightly different too, so I abstracted the name out so each architecture can do its own thing. This is against 2.5.72 so won't apply cleanly to your tree (it applies to bitkeeper as of a few minutes ago with only minor offsets). I've implemented the original name for non-PCI-domain machines; done what ia64 and alpha need, respectively (assuming I didn't misunderstand Ivan), and plopped in the Old Way of doing things for Sparc64, PPC and PPC64. Maintainers may alter this to whatever degree of complexity they wish. [PATCH] PCI: fix minor problem in previous proc naming patch. [PATCH] ia32 copy_from_user() fix The memset which is performed if access_ok() fails got lost in the copy_*_user() rework. Put it back. Bloats the kernel by 8k :( Also contains a few related #includes and whitespace fixlets from Joshua Kwan [PATCH] kjournald shutdown fix If someome tries to unmount the fs while kjournald is performing a commit, kjournald forgets to look for the termination request and goes into permanent sleep. [PATCH] range checking in rd_open() If you open /dev/ram7 when the kernel is configured for 4 ramdisks, things blow up. Teach rd_open() to check that the minor is in range. [PATCH] Fix /proc/kcore for i386 From: Andi Kleen The recent IA64 changes for /proc/kcore broke the access on i386. Currently no notes are written for the direct mapped or vmalloced memory, which makes gdb reject it. This patch fixes it. Other ports probably need to do the same changes. [PATCH] /proc/kcore: handle unmapped areas From: Andi Kleen On i386 and most other ports kern_addr_valid is hardcoded to 1. This works fine as long as only mapped areas are accessed. When you have something partially mapped in the kclist it is possible that start points to an unmapped address. The correct behaviour in this case is to zero the user space. We shouldn't return -EFAULT because the fault is against the mmapped range, not against the user's address. copy_to_user usually even checks for exceptions on both source and destination, but it does not zero the destination in this case and worse results in EFAULT, which is user visible. This patch just tries to clear_user in this case again to actually zero the user data and catch real user side EFAULTs. Another way to fix this is to have kern_addr_valid do a real page table lookup (I did that on AMD64), but having this fallback is a bit more reliable in case there is a race somewhere. On i386 it could happen for example if the direct space to max_low_pfn contains something unmapped. This normally isn't the case, but e.g. the slab debugging patches in -mm* do this so it's better to handle it. Drawback is that it relies on a somewhat undocumented copy_to_user behaviour (fault on both source and destination). It is true for i386 and amd64, but I don't know if it is for other port. In the worst case they just don't have the race protection and may see bogus EFAULTs. [PATCH] Add system calls statfs64 and fstatfs64 From: Peter Chubb Add two new system calls, statfs64 and fstatfs64. This has been needed sincew the 64-bit sector_t merge - the current structures will overflow. - Use a common interface (vfs_statfs) with the rest of the kernel, - convert to 32-bit at (f)statfs time. - New field f_frsize gives underlying fragment size for the filesystem. (Solaris has this, and the Open Group describe it). - The old statfs syscalls will now return -EOVERFLOW if the device was too large to be represented inthe old data structures. The new system calls take a size_t argument, which is the size of the structure to be filled in (as requested by Ben LaHaise), to `futureproof' the interface. Has been reviewed by the arch maintainers and by Ulrich Drepper. [PATCH] kmem_cache_destroy(): use slab_error() Use slab_error for printing the error message from kmem_cache_destroy [PATCH] slab poisoning fix The slab debugging code is supposed to poison freshly-allocated obejcts with 0x5a and freed ones with 0x6b, so we can distinguish use-uninitialised from use-after-free. It wasn't working right for recycled objects. Fix. [PATCH] Fix potential set_child_tid/clear_child_tid bug From: David Mosberger At the moment, if you don't set CLONE_CHILD_SETTID/CLONE_CHILD_CLEARTID, the {set,clear}_child_tid values get inherited from the parent task. I may be missing something, but I suspect that's not the intended behavior. The patch below instead clears the respective members. [PATCH] revert adjtimex changes From: John Stultz, George Anzinger, Eric Piel There was confusion over the definition of TICK_USEC. TICK_USEC is supposed to be based on USER_HZ, however a recent change caused TICK_USEC to be based on HZ. This broke the adjtimex() interface on systems where USER_HZ != HZ. This patch reverts the change to TICK_USEC, removes an added mis-use of the value and fixes some incorrect comments that could lead to this sort of confusion. Also this patch resolves the related LTP adjtimex failures. [PATCH] show_stack() portability and cleanup patch From: David Mosberger This is an attempt at sanitizing the interface for stack trace dumping somewhat. It's basically the last thing which prevents 2.5.x from working out-of-the-box for ia64. ia64 apparently cannot reasonably implement the show_stack interface declared in sched.h. Here is the rationale: modern calling conventions don't maintain a frame pointer and it's not possible to get a reliable stack trace with only a stack pointer as the starting point. You really need more machine state to start with. For a while, I thought the solution is to pass a task pointer to show_stack(), but it turns out that this would negatively impact x86 because it's sometimes useful to show only portions of a stack trace (e.g., starting from the point at which a trap occurred). Thus, this patch _adds_ the task pointer instead: extern void show_stack(struct task_struct *tsk, unsigned long *sp); The idea here is that show_stack(tsk, sp) will show the backtrace of task "tsk", starting from the stack frame that "sp" is pointing to. If tsk is NULL, the trace will be for the current task. If "sp" is NULL, all stack frames of the task are shown. If both are NULL, you'll get the full trace of the current task. I _think_ this should make everyone happy. The patch also removes the declaration of show_trace() in linux/sched.h (it never was a generic function; some platforms, in particular x86, may want to update accordingly). Finally, the patch replaces the one call to show_trace_task() with the equivalent call show_stack(task, NULL). The patch below is for Alpha and i386, since I can (compile-)test those (I'll provide the ia64 update through my regular updates). The other arches will break visibly and updating the code should be trivial: - add a task pointer argument to show_stack() and pass NULL as the first argument where needed - remove show_trace_task() - declare show_trace() in a platform-specific header file if you really want to keep it around [PATCH] sysv semundo fixes From: Manfred Spraul The CLONE_SYSVSEM implementation is racy: it does an (atomic_read(->refcnt) ==1) instead of atomic_dec_and_test calls in the exit handling. The patch fixes that. Additionally, the patch contains the following changes: - lock_undo() locks the list of undo structures. The lock is held throughout the semop() syscall, but that's unnecessary - we can drop it immediately after the lookup. - undo structures are only allocated when necessary. The need for undo structures is only noticed in the middle of the semop operation, while holding the semaphore array spinlock. The result is a convoluted unlock&revalidate implementation. I've reordered the code, and now the undo allocation can happen before acquiring the semaphore array spinlock. As a bonus, less code runs under the semaphore array spinlock. - sysvsem.sleep_list looks like code to handle oopses: if an oops kills a thread that sleeps in sys_timedsemop(), then sem_exit tries to recover. I've removed that - too fragile. [PATCH] raw.c devfs support From: Andrey Borzenkov Add devfs support to raw.c. [PATCH] hugetlbfs: specify size & inodes at mount From: "Seth, Rohit" - Add support for setting the filesystem's maximum size and maximum inode count on the mount command line. This is needed because the system admin can now set the ownership of teh fs to non-root users. We don't want those users to be able to use all of the hugepage pool. - Prroperly update the inode creation/modification time. - Set the blocksize to HPAGE_SIZE (instead of PAGE_CACHE_SIZE). - Update Documentation/vm/hugetlbpage.txt. [PATCH] hugetlbfs:update statfs update hugetlbfs_statfs for the statfs64() changes. [PATCH] misc fixes - shmem: remove unneeded test for null inode->i_sb (James Morris) - kill unused var warning in traps.c (Geert Uytterhoeven) - s/u64/__u64/ in bitops.h (needed for klibc) - comment fix in gfp.h (Matthew Dobson ) - fix smbfs constant overflow warning (Flameeyes ) - yam.c irqreturn_t fix. - Remove some unused variables from baycom_epp.c (Adrian Bunk) - Remove 5-year-old unreferenced RCS string from xirc2ps_cs.c (Adrian Bunk) [PATCH] Permit big console scrolls From: Samuel Thibault Changes the new console scrolling ioctl to permit distances greater than +127/-128. [PATCH] remove swapper_inode By moving the special-casing for swapper_space out of __mark_inode_dirty() and into __set_page_dirty_nobuffers() we can remove swapper_inode. [PATCH] dirty inode writeback fix Both sys_sync() and the kupdate function need to precalculate the number of pages which they are prepared to write. Mainly for livelock avoidance. But they also must write inodes, and dirty inodes do not contribute to dirty page accounting (oops). Net effect: when there are lots of dirty inodes and few dirty pages, we forget to write inodes. This mainly affects atime updates, because most other inode-dirtying activity will generate dirty pages too. It mainly affects ext2. Now, writing an ext2 inode will just dirty the underlying blockdev pagecache page. So what the patch does is to assume that writing one inode will dirty up to one pagecache page. So the patch adds (inodes_stat.nr_inodes - inodes_stat.nr_unused) into the number of pages to be written. I considered creating inodes_stat.nr_dirty. It looks fairly messy, needing to know not to account for memory-backed inodes, etc. But it is probably a better thing to do. [PATCH] workqueue.c subtle fix and core extraction From: Rusty Russell A barrier is needed on workqueue shutdown: there's a chance that the thead could see the wq->thread set to NULL before the completion is initialized. Also extracts functions which actually create and destroy workqueues, for use by hotplug CPU patch. [PATCH] proc_pid_lookup use-after-free fix From: "Martin J. Bligh" and me proc_pid_lookup() does a put_task_struct() and then continues to play with the task. [PATCH] Fix kmod return value From: Rusty Russell Milton Miller and Junfeng Yang point out that we hand a kernel address to sys_wait4 for the status pointer. This is true, but since we don't have a SIGCHLD handler, it never gets that far. Use NULL, and document the fact. [PATCH] mach-generic build fix enable_apic_mode needs tobe hooked up. (It came in with the es7000 merge) [PATCH] Fix suspend with NFS mounts active From: Pavel Machek This fixes suspend with NFS mounts active. [PATCH] Fix binfmt_elf.c bug on ppc64 From: Jakub Jelinek Any prelinked shared library is impossible to run on ppc64 without this patch, as they immediately segfault. Say: /bin/echo works even if /lib64/ is prelinked while /lib64/ /bin/echo segfaults. The problem is that ELF_PLAT_INIT is passed the virtual address of the shared library, not the difference between the virtual address of the shared library and p_vaddr of the first PT_LOAD segment in that library (while for the interpreter interp_load_address is the bias). ELF_PLAT_INIT sets gpr[2] to this absolute address, but arch/ppc64/kernel/process.c (start_thread) assumes it is a bias and adds it to entry and toc values loaded from the entry point descriptor. For non-prelinked shared libraries, first PT_LOAD segment's p_vaddr is typically 0 and thus load_addr == load_bias (which is why this bug has not been discovered that long). [PATCH] node-local allocation for hugetlbpages From: William Lee Irwin III The following patch implements node-local memory allocation support for hugetlb. Successfully tested on NUMA-Q. [PATCH] highmem.h needs mm.h From: David Mosberger highmem.h uses stuff like page_address(), but fails to include . [PATCH] Restore Daniel Phillips' copyright From: Daniel Phillips This patch restores my copyright notice for the HTree directory index, inadvertently omitted during the conversion from Ext2 to Ext3. [PATCH] JBD: honour read-only mounts more carefully From: "Stephen C. Tweedie" ext3 has long had a problem wherein it will unnecessarily write to a read-only filesystem during the mount process. It does this in preparing the journal superblock's sequence numbers. But if the filesystem was shut down cleanly we do not need to do this. Detect the situation and avoid modifying and writing out the journal superblock. [PATCH] ext3/JBD: remove trailing whitespace ext3 and JBD still have enormous numbers of lines which end in tabs. Fix them all up. [PATCH] Remove spinlock workaround for pre 2.95 gccs Remove the empty initializer workaround that was added for egcs 1.1. Only 2.95+ is supported now, so all compilers should support empty structures. The if just checked for __GNUC__, which means that 2.95 got the workaround (and the incompatibility) too even though it didn't need it. Advantage is that gcc 2.95 and 3.x compiled kernels are now potentially binary compatible. Module loading still checks the compiler version, but it might be removable. [PATCH] configuration boot arguments for ColdFire/5249 targets Allow for hard setting of boot arguments from configuration for the Motorola Coldfire 5249 CPU targets. [PATCH] conditional ROMfs copy for M5249C3 board Make the ROMfs copy in the startup code for Motorola/M5249C3 board conditional on actually using a ROMfs setup. [PATCH] configuration boot arguments for ColdFire/5272 targets Allow for hard setting of boot arguments from configuration for the Motorola Coldfire 5272 CPU targets. [PATCH] conditional ROMfs copy for M5272C3 board Make the ROMfs copy in the startup code for Motorola/M5272C3 board conditional on actually using a ROMfs setup. [PATCH] any_online_cpus to return NR_CPUS to mean "none". Matt Fleming points out that returning int from any_online_cpu where cpu numbers are passed as unsigned ints elsewhere is awkward and a little dangerous. Make any_online_cpu() match find_first_bit(), by returning NR_CPUS when no cpu is found, rather than -1. This also simplifies the future case where NR_CPUS > BITS_PER_LONG. [PATCH] More care in sys_setaffinity We currently mask off offline CPUs in both set_cpus_allowed and sys_sched_setaffinity. 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Also, default to the 10-byte version of mode sense, since a lot of modern SCSI-like devices don't even support the old version (we will automatically downgrade to the 6-byte version if the long version isn't supported). [PATCH] fix sysfs bogosity in i82365.c It was using a non-existent socket[] index and not doing it for all sockets. [PATCH] psmouse compile fix Fix a couple of compilation errors in the mouse code. [PATCH] Fix CIFS breakage from the statfs64 patch From: Rene Scharfe cifs_statfs() is called with a pointer to a struct kstatfs, so let's propagate this type into the helper function. [PATCH] Update Acorn partition parsing This patch: - re-enables cumana partition parsing - adds eesox partition parsing - makes the powertec partition parsing fail if sector 0 looks like a PC bios partition table Rather than having a single "acorn_partition" parser for all these types, we list them explicitly in check.c instead, along with some explaination about why they're where they are. [PATCH] SCSI tape write error fix This corrects the back off count so that write errors will not be ignored Linux 2.5.73

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Distrilation Vs Circubution

Last night I went to a talk (publicity tour) by Henry Jenkins, Provost Professor of Communication, Journalism, and Cinematic Arts at the University of Southern California.
His latest book, Spreadable Media, was the topic of conversation and despite the entire lecture and Q&A being fascinating, I couldn’t ignore the constant irony of the situation I found myself in.

Our host for the evening was University of Westminster’s Professor David Gauntlett, who after 10 minutes, managed to tweet out the live stream URL from his personal account and immediately requested we all follow suit using the event #tag. Fine, I can get in on that. Oh wait, there is no signal on my phone or available wifi to use (in fairness I imagine most of the students there would have had access).

Oh well, on with the talk without the distraction of updating my social followers and friends with content to ignore.

First slide: QR code…. I really hope this was here for humour, but without being online, who’s to know?

Second slide: Prof Jenkins describes his previous book “Convergence Culture”, its premise, it’s content and how it was out of date the second it was written, only to move further into obsolescence as it “rotted in a warehouse somewhere”.

Third slide: here’s my new book “Spreadable Media” which I am publicising with this lecture tour due to the afore mentioned academic decay.

So far, lots of negativity from me, but sincerely this was an interesting talk, it was just the void between slow and methodical academia and the fast paced subject, making me laugh at every turn.

So onto the content that caught my eye…

Circulation Vs Distribution:
Top down, controlled distribution of media via prescribed, scheduled channels.
Bottom up consumer circulated tweets, updates and memes.

It’s hardly breaking news to say that old models of traditional media distribution are being replaced with consumer circulation. Whether this is a piracy debate or user-generated meme makes little difference. What fascinated me was this observation became more and more diluted throughout the lecture to the point where the last question from the audience prompted Prof Jenkins to agree that currently brands and media COs are:
Distributing from the bottom up and circulating from the top down.

This to me describes how the free, democratic, web 2.0 (2.0 being something that Jenkins thinks of as the monetization of social networks rather than the technology itself) has quickly been assimilated by the corporate world.

Now, I think I have ripped this enough and so, not wanting to be impolite to those involved in a free and interesting talk, I will get on and share some of the points that caught my eye.

– Taking an average of the array of stats on news media circulation, it is fair to say that 50% of people are involved in circulating news media. A number far higher than the 1, 9, 99 rule would have you believe.

– Deliberately opening your content up to ‘piracy’ can be the best market research you could ever ‘buy’

– Comms is not the same as broadcasting. Communication is a full duplex conversation.

– ‘Astroturf’ the term to describe fake grassroots media or ‘circulating from the top down’

– Humans like to look after their offspring, to be successful we must think like a dandelion, ‘spread without care’.

– Circulating media for free generates it’s own emotional currency.

– Finally, and David Cameron could do with knowing this if Rebekah Brooks is to be believed (is she?), LOL (laugh out loud) is not the product of the txtspk (text speak) generation. It was actually invented by the American amateur printing press community 150 years previously, as were numerous other abbreviations, initialisms and acronyms, to save time on the laborious process of typesetting their ‘zines by hand.

4 thoughts on “Distrilation Vs Circubution

  1. Sam Ford

    I appreciated reading your thoughts on Henry’s talk, Bruno. (I’m one of Henry’s co-authors on Spreadable Media.) I think one of the key things is that circulation is now owned BOTH by the direct distribution activities of a company AND all of us who choose to spread media content. And, for society, that is perhaps a more fundamental shift in the long-term than the idea that everyone now has the ability to publish. Because many of us aren’t necessarily so interested in publishing, but a good number of us are prone to share something on Facebook, forward something in an email, etc., which is playing an important role in redefining participation in citizenship, media audienceship, etc. In any case, thanks for the notes!

    1. admin Post author

      Completely agree with all that I heard and all that you have posted here. Hope you don’t mind my sarcasm at your expense, really was an excellent talk, and looking forward to the book. Thanks for taking the time to read and give your thoughts. Good luck. Bruno

      1. Sam Ford

        Enjoyed the sarcasm. And for the record…that QR code was there as a cute reference…It doesn’t take you to anywhere related to our book. :) (In fact, I don’t know where it takes you…)

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