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2.5.18 long-format ChangelogSummary of changes from v2.5.17 to v2.5.18 ============================================ <davem@nuts.ninka.net> Sparc: Use dma_addr_t and size_t in sparc32 DMA function args. <davem@nuts.ninka.net> IPv4: Make pkt_too_big debug msg more informative. <colin@gibbs.dhs.org> Sparc: Do not BUG in srmmu_pte_alloc_one. <colin@gibbs.dhs.org> include/asm-sparc/pgalloc.h: In pmd_alloc_one, dont BUG just return NULL <davem@nuts.ninka.net> drivers/net/sunlance.c: Make init_block_dvma a dma_addr_t <ch@hpl.hp.com> [ARM PATCH] 1133/1: Small fixes for BadgePAD 4 pcmcia support. - default CF Vcc is 3.3V (33). - add headers to make 2.5 happy - remove unused static Please apply to 2.4. and 2.5. Christopher Hoover mailto:ch@murgatroid.com mailto:ch@hpl.hp.com <ch@hpl.hp.com> [ARM PATCH] 1136/1: missing include in badge4.c missing include in badge4.c Christopher Hoover mailto:ch@murgatroid.com mailto:ch@hpl.hp.com <borisitk@fortunet.com> [ARM PATCH] 1146/1: Fix complilation bug in 2.5.10-rmk1 for jffs This is patch 1004/1 done how you wanted it. Files affected: include/asm-arm/unistd.h <ch@hpl.hp.com> [ARM PATCH] 1137/1: additional defines for SA-1111 OHCI Christopher Hoover mailto:ch@murgatroid.com mailto:ch@hpl.hp.com <rmk@flint.arm.linux.org.uk> [ARM] 2.5.15 PCI cleanups/fixups 2.5.15 removes the pcibios_init() call from the generic PCI layer to the architecture layers. This allows us to clean up the ARM PCI layer by moving the machine specific PCI initialisation from arch/arm/kernel/bios32.c to the machine specific files. We also fix a bug in the resource flags in the iop310 initialisation. <rmk@flint.arm.linux.org.uk> [ARM] 2.5.15 random fixups: - Add SIGURG to ignored signal list. - Ensure PFN_TO_NID is always defined on clps711x. - Machine specific fixups take struct tag not param_struct. - Fix pfn_valid() for non-discontigmem case. - Make PTRACE_* available to all. - Add PTRACE_SETOPTIONS. <kuznet@ms2.inr.ac.ru> tcp_input.c: Really make sure rto = 3*rtt, found by Pasi Sarolahti <simonb@lipsyncpost.co.uk> Tigon3: Add Netgear GA320T support. <davem@nuts.ninka.net> Tigon3: Fix typo in netgear ga320t support changes. <kai@tp1.ruhr-uni-bochum.de> Fix UTS_MACHINE Remove the default for UTS_MACHINE, it gets set in include/linux/compile.h, just as UTS_RELEASE. (noticed by David Gibson) <kai@tp1.ruhr-uni-bochum.de> Fix building .i / .s files for testing E.g. make arch/i386/kernel/process.[is] used to work at least in the cases where the object wouldn't need any additional command line flags defined in the local subdir. Get back this behavior, I think I know how to do this correctly, too, but that's for later. <kai@tp1.ruhr-uni-bochum.de> kbuild: Make USE_STANDARD_AS_RULE default <ccaputo@alt.net> net/core/sock.c: Fix typo in sysctl_{w,m}mem_default init. <kai@tp1.ruhr-uni-bochum.de> kbuild: Stop immediately on error This patch restores the previous behavior of stopping the build immediately on error (unless the -k option is given to make) Before this patch, we would do the echo command no matter if the compile failed, thus returning success always. (Jan Harkes) <kai@tp1.ruhr-uni-bochum.de> kbuild: aic7xxx firmware build should not overwrite shipped files o Add dependencies on generated files explicitly to the aic7xxx Makefile - These cannot be figured out automatically o Rename the precompiled firmware files to shipped_aic7xxx_{reg,seq}.h, so that we don't overwrite shipped files when regenerating the firmware <hch@infradead.org> [PATCH] buffermem_pages removal (1/5) With all work done by akpm in 2.5 Linus no more has a buffer cache in the traditional sense. Still we try to keep estimates about what would be the buffer cache size by keeping the number of pages indexed by block device inodes. This is broken not only because the old buffercache was also used for file data which is nowdays not hashed to block device inodes and thus makes every user of this data assume wrong numbers. Second is is possible to use block device pages not through the buffer_head interface (i.e. userspace block device nodes, possibly JFS also soon). In addition the atomic_t used for this bookkepping (buffermem_pages) causes cacheline bouncing on larger machines. This is the first patch of a series to get rid of it. It removes the useless output of supposedly buffer pages in show_mem(), which is used by the magic sysrq key code. <hch@infradead.org> [PATCH] buffermem_pages removal (2/5) Remove buffermem_pages showing from sgi serial code (debug only). <hch@infradead.org> [PATCH] buffermem_pages removal (3/5) This one is a bit more controveral as it may break stupid userlevel programs: remove the 'Buffers' field from /proc/meminfo and make the Cached field show the full pagecache size instead of subtracting the block-device backed pages. All /proc/meminfo-using programs I have (free, top) still work fine. <hch@infradead.org> [PATCH] buffermem_pages removal (4/5) This is the most discussion-worthy patch of the series: Change the meaning of si_meminfo->bufferram from "all pages in pagecache backed by block devices" to "all pages in pagecache". In the header/manpage is is documented as "Memory used by buffers", but as the buffercache is gone I think the new meaning fits the intention from pre-pagecache days much better. <hch@infradead.org> [PATCH] buffermem_pages removal (5/5) No more users of buffermem_pages are left, remove it. While at it also remove some orphaned externs around it in swap.h <rusty@rustcorp.com.au> [PATCH] Futex update. This changes futex semantics to a simple "sleep if this address equals this value" interface, which is more convenient for building other primitives. It also adds a timeout value. Example library can be found at: http://www.kernel.org/pub/linux/kernel/people/rusty/futex-2.0.tar.gz <rusty@rustcorp.com.au> [PATCH] Tasklet cleanup This makes tasklet_vec and tasklet_hi_vec static inside softirq.c, and makes them __per_cpu_data. <hch@infradead.org> [PATCH] fix bitop warnings in parallel port generic driver pg tried to issue bitops on int, this fixes it to use an ulong instead. <hch@infradead.org> [PATCH] fix sr compile warnings Remove an unused label and an unused variable. <hch@infradead.org> [PATCH] bfs header move around + warning fix (Patch has been ACKed by the bfs maintainer) Now that bfs no more is included in the big unions in fs.h it makes sense to move the contents of bfs_fs_i.h and bfs_fs_sb.h to a bfs-private location. I've created fs/bfs/bfs.h for that, also merging in bfs_defs.h. In addition I've changed si_imap to an unsigned long pointer as the bitops now use that type explicitly. <mason@suse.com> [PATCH] reiserfs 64 bit bug in get_virtual_node_size This patch fixes a problem with reiserfs on 64 bit machines. Our struct virtual_item is a different size there, and some calculations that assume otherwise lead to this panic create_virtual_node: vs-8030: create_virtual_node: virtual node space consumed <torvalds@penguin.transmeta.com> Move check_pgt_cache() to tlb_finish_mmu(). It should be _after_ we have flushed the TLB. <shaggy@austin.ibm.com> [PATCH] JFS external journal support Additional support for external journal. We're basically adding uuid's to both the file system and the journal to tie the two together. <shaggy@austin.ibm.com> [PATCH] jfs_readdir does not need to grab BKL <petkan@mastika.lnxw.com> [PATCH] USB pegasus driver, new vendor and device id. new vendor and device ID <greg@kroah.com> [PATCH] USB Makefile bug fix fixed problem with UHCI_HCD drivers set to 'y' were not causing the build to go into the drivers/usb/host directory. <Andries.Brouwer@cwi.nl> [PATCH] usb-storage Created the first of a series of usb-storage patches this afternoon. Please find it below or on ftp.XX.kernel.org under people/aeb/2.5.16-us-patch . It removes 5% of the usb-storage code, but should, if I made no mistake, not affect the behaviour of the code. (This is the introduction of raw_bulk.c to hold USB-bulk and scatter-gather code that was repeated three-five times in various drivers. The next patch is smartmedia.c.) <bgerst@didntduck.org> [PATCH] cpu_has_mmx This patch takes the cpu_has_mmx macro introduced in the xor.h header and puts it in the proper place. It also converts the ov511 driver to use the new macro. <bgerst@didntduck.org> [PATCH] cpu_has_tsc This patch converts drivers/char/random.c and drivers/input/joystick/analog.c to use the cpu_has_tsc macro. <bgerst@didntduck.org> [PATCH] remaining cpu_has cleanups This patch cleans up the remaining direct tests against x86_capability. It moves the cpu_has_* macros to the more appropriate cpufeature.h. It also introduces the cpu_has() macro to test features for individual cpus. <kai@tp1.ruhr-uni-bochum.de> kbuild: Regenerate include/linux/version.h only if necessary Before overwriting version.h, check if it actually changed - otherwise we will unnecessarily rebuild a lot of files, as e.g. module.h depends on version.h, and many files include module.h <kai@tp1.ruhr-uni-bochum.de> kbuild: Restore build nr, improve vmlinux link People relied on the build generation number to find out if they actually booted the right kernel, only incrementing it on config changes isn't enough for them. So this patch goes back to the old behavior, only done right this time: We now don't increment the generation number on every invocation of make, but on every link of vmlinux. At the same time, this patch fixes the Makefile to only relink vmlinux if any of its prequisite object files (or the command line) changed. Incrementing the version number happens *after* we decided to relink vmlinux. <kuznet@ms2.inr.ac.ru> tcp_recvmsg: Fix application bug induced races with MSG_PEEK and copied_seq. <jbglaw@lug-owl.de> [PATCH] Update to srm_env.c driver (for Alpha arch.) Hi Linus! Please apply this patch. It updates the srm_env.c driver (to access Alpha's SRM environment variables) to its current version (which is already included in up-to-date 2.4.x kernels). MfG, JBG <pavel@ucw.cz> [PATCH] suspend-to-{RAM,disk} Here's suspend-to-{RAM,disk} combined patch for 2.5.17. Suspend-to-disk is pretty stable and was tested in 2.4-ac. Suspend-to-RAM is little more experimental, but works for me, and is certainly better than disk-eating version currently in kernel. Major parts are: process stopper, S3 specific code, S4 specific code. <pavel@ucw.cz> [PATCH] suspend-to-{RAM,disk} fixup Fix compile problem with suspending diabled <pavel@ucw.cz> [PATCH] more suspend-to-{RAM,disk} fixes One more build fix, this time for !CONFIG_SOFTWARE_SUSPEND but CONFIG_ACPI: I've choosen this solution for now, as it is safest for ACPI people. I'll modify suspend.c so that freezing part can be included without whole suspend-to-disk support being included. <rml@tech9.net> [PATCH] get/put_cpu methods This implements a get_cpu() and matching put_cpu() to safely hand out the current CPU to avoid preempt races. Andrew and I have been bitching about the need for such a method. I also went ahead and replaced an example of current explicit preempt-off with the new methods, as a case in point. <pavel@ucw.cz> [PATCH] One more fix for swsusp As andrew pointed out, it is bad idea to run_task_queue() when spinlock is held. This fixes it (only could be triggered by user pressing Magic-D). There's minor problem left where Magic-D could be delayed/ignored under high load. I'll either fix that or kill Magic-D support (with acpi, it is very easy to trigger swsusp by echo 4 > /proc/acpi/sleep, so magic key is probably not neccessary any more). <rml@tech9.net> [PATCH] remove preempt_disable from pdflush It seems by the comments the statements were only there to prevent the thread from finding itself as TASK_RUNNING after a kernel preemption. Since we reverted to the original preemption behavior (which does not do that) it should be safe. Looking over the code confirms - it seems to not be doing anything evil and is properly locked otherwise. <torvalds@home.transmeta.com> Make the pte unmapping atomic wrt other threads. <davem@nuts.ninka.net> Sparc64 updates - TLB infrastructure changes - Make flush_tlb_pgtables not need to cook up a dummy vma - Update for do_fork return value change - Update defconfig <kai@tp1.ruhr-uni-bochum.de> Simplify linking/building objects in subdirectories New-style Makefiles have a nice way of declaring objects which need to be built either built-in or as modules: obj-$(CONFIG_EEPRO100) += eepro100.o However, handling objects in subdirectories, which need to be built and linked is not as nice: subdir-$(CONFIG_E100) += e100 ifeq ($(CONFIG_E100),y) obj-y += e100/built-in.o endif This means we descend into the subdirectory when building vmlinux / modules, depending on CONFIG_XXX. When we are building vmlinux we also need to link whatever has been built in the subdirectory, so we add it to $(obj-y) at the appropriate place (link order is important). Now, the extension below allows to rewrite the second case into obj-$(CONFIG_E100) += e100/ which looks much nicer ;-) Existing behavior is not changed, and the only prerequisite to using the extension above is that the O_TARGET in the subdir is named "built-in.o". <kai@tp1.ruhr-uni-bochum.de> drivers/net: Simplify linking of subdirs Use the just introduced Rules.make extension to clean up drivers/net/*/Makefile. <beattie@beattie-home.net> [PATCH] change USB scanner maintainer Add Maintainer for USB scanner <viro@math.psu.edu> [PATCH] add proper ->getattr() add proper ->getattr(), clean up do_getattr() and friends. <viro@math.psu.edu> [PATCH] remove s390 procfs abuses massive crapectomy in s390 code - removed procfs abuses <viro@math.psu.edu> [PATCH] kill ->i_op->revalidate() kill ->i_op->revalidate() <viro@math.psu.edu> [PATCH] clean up readdir() for in-memory sane readdir() for ramfs-style filesystems <viro@math.psu.edu> [PATCH] new helpers for /proc new helpers for seq_file - for cases where we don't have a non-trivial iterator and just want to use seq_{printf,putc,...}. <viro@math.psu.edu> [PATCH] rd.c blocksize handling Unlike other drivers, rd.c wants block size to be set once an forever (for everybody else setting block size as high as possible and letting filesystems change it with set_blocksize() is OK; rd.c treats invalidate_buffers() as "kill the ramdisk contents". <dalecki@evision-ventures.com> [PATCH] 2.5.17 IDE 65 - Apply cleanup of host chip drivers by Bartomiej Zonierkiewicz: affected drivers - aec62xx.c, alim15x3.c, cmd64x.c, hpt34x.c, sis5513.c new tuning scheme (wip) part 1: - introduce ratemask() - use ata_timing_mode() - use ide_config_drive_speed() return value forward port from convert.10: - support for AEC6280, AEC6280R - misc cleanups I had to fix a small typo in sis5513 code... - Add a new entry for an old VIA cell hiding as something new. (Pointed out by Kees Bakker.) - Make the synchronization token active resident on the same level as the spin lock. They interact with each other. - Synchronize with linux-2.5.17. - HPT366 driver typo fix by Andries Brouwer. - Export udma_tcq_enable() symbol right now. The blk_get_request() is undefined as well. <dalecki@evision-ventures.com> [PATCH] 2.5.17 IDE 66 - Move ll_10byte_cmd_build to the only place where it's used: ide-cd. The SCSI layer does have it's own implementation which additionally it's messing around with the hard_nr_sectors struct request value. One should *not* provide "infrastructure" until its really used as such. If anywhere this should reside in a file called ATAPI. - Unfold the INIT_REQUEST macro from blk.h. This showed up plenty of duplicate checks for QUEUE_EMPTY. Clean them as well. Remove the over cautious major(CURRENT->rq_dev != MAJOR_NR) checks. During the last several years I never saw any report about it. Looking at the !CURRENT->bio it is clear that dereferencing NULL will provide the same kind of panic as the check. Some comments around the code in question show nicely that indeed INIT_REQUEST was a good example of code obfuscation. - A short look at RQ_INACTIVE shows that it is only used inside the scsi.c file and during the removal of devices. This shows that the many checks for RQ_INACTIVE are not necessary. Looking closer even shows that some of them did happen before checks for an empty queue. Plenty of drivers didn't care about it and the CD-ROM ones should be handled properly, because the most common drivers would fail as well. Comments indicate that this was an leftover from 1.3 days... <dalecki@evision-ventures.com> [PATCH] 2.5.17 IDE 67 - Nuke COMMERIAL and similar spurious configuration options... The fact that every single default configuration option contained those bits makes this trivial patch appear rather big. <dalecki@evision-ventures.com> [PATCH] 2.5.16 IDE 68 - Make the different ATAPI device type drivers use a unified packet command structure. We have to start to push them together. This patch is rather trivial in itself, but the plentora of code duplication it is trying to fight against is making it unfortunately rather big... <dalecki@evision-ventures.com> [PATCH] 2.5.17 IDE 69 - Apply small host chip driver cosmetics by Andrej xxx Panin and Vojtech Pavlik. - Remove support for "disc recovery time". It could only supposedly help with really simplistic broken devices from the past, which didn't have moderately sophisticated controllers. And finally Vojtech voted for it as well... so I just trust him. - Apply icside host chip driver and other ARM related updates by Russell King, which finally settle the "portability" work a bit, well hopefully. <viro@math.psu.edu> [PATCH] (1/4) removal of BKL from d_move() OK, it turned out that since the last time I've done that audit a couple new users of d_parent had appeared. First, more crapectomy (strictly speaking not necessary, but just look at that code - where the hell does IBM find them?) <viro@math.psu.edu> [PATCH] (2/4) d_move() BKL removal default encode_fh() doesn't take dparent_lock around messing with dereferences of ->d_parent->d_inode->i_.... Fixed. <david-b@pacbell.net> [PATCH] usbcore, remove urb->next Given the discussions of last week, this removes urb->next from the USB core API. This change simplifies the driver API by getting rid of a superfluous feature (and related new-developer confusion), gets rid of a hidden failure mode (drivers can now see resubmit failures), lets us get rid of a HCD feature that isn't consistently implemented, and so on. This will break some code. There are ISO drivers that don't use urb->next (like audio), but most video drivers do. My patch #2 fixes one such driver. My patch #3 fixes host controller drivers, most of which were already converted. <david-b@pacbell.net> [PATCH] cpia_usb, remove urb->next This is the 2.5 version of the sample driver patch I sent around last week. It updates one video driver to work with the updated ISO API: no urb->next (explicit resubmit, with error detection) and explicit transfer interval (HCs must remove 1 msec limit). The 2.4 version is known to work, but usb video in 2.5 seems to be a bit ill so this just fixes the compilation problem created by the first of these patches. <david-b@pacbell.net> [PATCH] hcds, remove urb->next This makes the hcds stop expecting urb->next to exist. ehci-hcd ... remove obsolete sanity check usb-uhci-hcd ... remove code (wouldn't be called) Two "old style" drivers got updated too (uhci, usb-uhci) so that folk can use them in case of problems with their "new style" analogues. <david-b@pacbell.net> [PATCH] audio, set urb->interval This sets urb->interval in two places it hadn't previously been set, allowing things like SOX and XMMS to play through usb audio. Using this and the previous patches, I was able to verify playback of some Ogg Vorbis encoded music using most of the 2.5.17 host controller drivers. However, "uhci-hcd" and "usb-uhci-hcd" did not want to bind the audio driver: reading the config descriptor (in audio.c) stalled rather consistently. That failure was seen with the other USB 1.1 drivers too, but not as consistently. <dalecki@evision-ventures.com> [PATCH] 2.5.17 dquota punishment Transform new quota code to use sysctl instead of /proc/fs. <hch@infradead.org> [PATCH] split namei.h out of fs.h Currently fs.h is full of unrelated declarations and included in almost any source file. Thus it makes sense to spilt certain aspects out that are only used by few users. This patch starts with the namei/path lookup interface and splits it into <linux/namei.h> which is now directly included by the 24 files that actually need it. <greg@kroah.com> USB build changes turned off the uhci.c and usb-uhci.c drivers in the build process to force people to use the uhci-hcd and usb-uhci-hcd drivers. <torvalds@penguin.transmeta.com> Make sw-suspend compile even without ACPI sleep support. <viro@math.psu.edu> [PATCH] (3/4) BKL removal from d_move() nfsd_acceptable() calls permission() on a a dentry that is not guaranteed to stay around (its child is pinned down, but there is no promises that child won't move and nothing pins dentry itself). Fixed, cleaned up. <rusty@rustcorp.com.au> [PATCH] drivers/net/epic100.c: missing __devinit Andrey Panin <pazke@orbita1.ru>: drivers_net_epic100.c: missing __devinit: This patch adds missing __devinit modifier for read_eeprom() function. Patch against 2.5.9. Compiles, but untested. <rusty@rustcorp.com.au> [PATCH] declance.c "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>: [patch] 2.4.19-pre7: A few declance multicast updates: Hello, It seems all Ethernet device drivers were bulk-converted to use the new common CRC functions. I discovered declance used incorrect endianness to calculate the sum for its multicast filter and had a few alignment problems there. I fixed these bugs in the MIPS/Linux CVS tree which is at 2.4.18 now. Here is the respective update for the official kernel. The bugs make the filter non-functional. Please apply. Maciej <rusty@rustcorp.com.au> [PATCH] drivers_net_sundance.c: missing __devinit Andrey Panin <pazke@orbita1.ru>: drivers_net_sundance.c: missing __devinit: this patch adds missing __devinit modifier to sundance.c network driver. Patch against 2.5.15. Compiles, but untested. <rusty@rustcorp.com.au> [PATCH] printk() cleanup in ide-pnp.c Andrey Panin <pazke@orbita1.ru>: printk() cleanup in ide-pnp.c: Attached patch adds a few missing printk levels in ide-pnp.c file. <rusty@rustcorp.com.au> [PATCH] Remove warning in fs/nfs/nfsroot.c David Gibson <david@gibson.dropbear.id.au>: TRIVIAL: Remove warning in fs_nfs_nfsroot.c: Linus, please apply. The patch below removes a warning in fs/nfs/nfsroot.c by including a header file providing a prototype for in_aton(). <rusty@rustcorp.com.au> [PATCH] Fix order of #includes in init_version.c [UTS_MACHINE is now defined in the (generated) compile.h] David Gibson <david@gibson.dropbear.id.au>: [TRIVIAL PATCH] Fix order of #includes in init_version.c: Linus, please apply. compile.h must be #included before uts.h, or uts.h will define UTS_MACHINE (incorrectly) which is then redefined in compile.h. <rusty@rustcorp.com.au> [PATCH] DMA-mapping.txt typo fix Roger Luethi <rl@hellgate.ch>: DMA-mapping.txt: sg_dma_length() -> sg_dma_len(): <rusty@rustcorp.com.au> [PATCH] MIPS min/max replacement (Ralf said to send this straight to you) Rusty Russell <rusty@rustcorp.com.au>: Trivial MIPS baget patch to remove minmax macros: In favour of kernel.h one: <rusty@rustcorp.com.au> [PATCH] MIPS min/max replacement II (Once again, Ralf said straight to you). Rusty Russell <rusty@rustcorp.com.au>: Trivial MIPS gt64120-pci patch to remove minmax macros: Also changes over to standard ALIGN macro: <rusty@rustcorp.com.au> [PATCH] min/max elimination in netfilter.h Rusty Russell <rusty@rustcorp.com.au>: Trivial patch to remove minmax macros: Hi Harald, The MIN & MAX etc. macros aren't used anywhere, and kernel.h has the new min & max anyway, which should be used. Cheers, Rusty. <rusty@rustcorp.com.au> [PATCH] sigio delivery fix Stephen Rothwell <sfr@canb.auug.org.au>: fix for sigio delivery: Hi Linus, This patch means that we keep the upper 16 bits of the si_code field of the siginfo structure that is delivered with and SIGIOs. We need this so that the code that actually copies the siginfo_t out to user mode knows which part of the union to copy. We currently get away with out this information because we always copy at least two ints worth of the union, but this s an ugly hack and I would like to tidy it up. Comments? <rusty@rustcorp.com.au> [PATCH] cris signal fix Stephen Rothwell <sfr@canb.auug.org.au>: small typo in signal code for cris, mips and mips64: Hi Linus, This looks very obvious to me but I may be mistaken. I haven't even attempted to build this as I don't have machines of any of the affected archs. (Included in 2.4) <rusty@rustcorp.com.au> [PATCH] serial typo (It's ttyS in every other message in the driver). Zwane Mwaikambo <zwane@linux.realnet.co.sz>: serial unload message: <rusty@rustcorp.com.au> [PATCH] MIPS/MIPS64 signal fix (Included in 2.4) Stephen Rothwell <sfr@canb.auug.org.au>: small typo in signal code for cris, mips and mips64: Hi Linus, This looks very obvious to me but I may be mistaken. I haven't even attempted to build this as I don't have machines of any of the affected archs. -- Cheers, Stephen Rothwell sfr@canb.auug.org.au http://www.canb.auug.org.au/~sfr/ <rusty@rustcorp.com.au> [PATCH] smp_call_function doco fix Trivial patch update against 2.5.17: dipankar@in.ibm.com: smp_call_function change: My earlier patch fixed only i386. As per Dave Miller's suggestion, I have fixed smp_call_function for other smp architectures too. Description ----------- Going by the documentation and use of _bh version of spin_lock(), smp_call_function() is allowed to be called from BH context, We can run into a deadlock with some locks if we do so. This because reader-writer locks can sometimes be used optimally by not disabling irqs while taking the reader side if only the reader side of the lock is taken from irq context. CPU #0 CPU #1 read_lock(&tasklist_lock) write_lock_irq(&tasklist_lock) [spins with interrupt disabled] [Interrupted by BH] smp_call_function() for BH handler [ doesn't take the IPI] So, cpu #1 doesn't take the IPI and cpu #0 spinwaits for the IPI handler to start, resulting in a deadlock. The last time I looked, I couldn't see smp_call_function() being called from BH context anywhere. So, there is no immediate problem. However it seems right to correct the documentation and also not disable BH while taking the call lock since it isn't necessary. This patch does exactly that. Thanks -- Dipankar Sarma <dipankar@in.ibm.com> http://lse.sourceforge.net Linux Technology Center, IBM Software Lab, Bangalore, India. smp_call_func-2.5.14-1.patch ---------------------------- <rusty@rustcorp.com.au> [PATCH] jiffies.h Trivial patch update against 2.5.17: Tim Schmielau <tim@physik3.uni-rostock.de>: move jiffies from sched.h to it's own jiffies.h: Move 'jiffies' from sched.h to their own header. Then pull the sched.h dependency from 67 files that include sched.h for no apparent reason other than the jiffies declaration. Move the time_[before,after}{_eq}() macros from timer.h to jiffies.h, since there are *no* files using them that don't also use jiffies. Many more sched.h dependencies can be killed after capable(), request_irq(), and free_irq() are moved out of <linux/sched.h>. Tim Schmielau <tim@physik3.uni-rostock.de> <rusty@rustcorp.com.au> [PATCH] arch/arm/kernel/via82c505.c (Included in 2.4) johnpol@2ka.mipt.ru: 1) request_region: > Send them one at a time. Last time I had to write a script to > mail them one at a time to myself. Ooops, sorry... I've got a gluk... > Thanks! > Rusty. > -- > Anyone who quotes me in their sig is an idiot. -- Rusty Russell. Evgeniy Polyakov ( s0mbre ) <rusty@rustcorp.com.au> [PATCH] check_region elimination johnpol@2ka.mipt.ru: 18) request_region check, 11-20: here is one more trivial check. So please test and apply. Evgeniy Polyakov ( s0mbre ) <rusty@rustcorp.com.au> [PATCH] check_region elimination Trivial patch update against 2.5.17: johnpol@2ka.mipt.ru: 21) request_region check, 21-30: here is one more trivial check. So please test and apply. Evgeniy Polyakov ( s0mbre ) <rusty@rustcorp.com.au> [PATCH] check_region elimination Trivial patch update against 2.5.17: johnpol@2ka.mipt.ru: Re: 47) request_region check, 41-50: <rusty@rustcorp.com.au> [PATCH] check_region elimination Trivial patch update against 2.5.17: johnpol@2ka.mipt.ru: 23) request_region check, 21-30: here is one more trivial check. So please test and apply. Evgeniy Polyakov ( s0mbre ) <viro@math.psu.edu> [PATCH] (4/) BKL removal in d_move() ... is finally done. <viro@math.psu.edu> [PATCH] md.c cleanup Removes dev_unit() and messing with kdev_t in match_dev_unit() <greg@kroah.com> USB se401, remove urb->next usage Removed the use of the next field due to the change in the urb structure. <greg@kroah.com> USB stv680, remove urb->next usage Removed the use of the next field due to the change in the urb structure. <kai@tp1.ruhr-uni-bochum.de> kbuild: Fix command line printing If our command line contains an ';', we'd only print half of it and execute the other half - not good. <zippel@linux-m68k.org> [PATCH] m68k mmu update This patch removes the quicklist support and updates m68k to the recent page table and tlb interface changes. It also includes some smaller cleanups: - turn "extern inline" into "static inline" - convert some macros into inline functions <mikpe@csd.uu.se> [PATCH] possible fix for broken floppy driver, take 2 Here is an updated patch for the floppy driver which got broken in 2.5.13. "read block 0 on ->revalidate()" is now implemented through the bio interface, following a suggestion by Christoph Hellwig. I still cannot explain why block_dev.c's ->bd_block_size change caused data corruption, but removing that code fixes the floppy driver and doesn't seem to cause any problems on my test box. <kai@tp1.ruhr-uni-bochum.de> drivers/pnp/pnpbios_core.c: Warning fix <kai@tp1.ruhr-uni-bochum.de> kbuild: Fix warning when .version doesn't exist yet <rmk@flint.arm.linux.org.uk> [ARM] Fixups for GCC 3.x: - Provide an ARM architecture major version number so we can use the preprocessor more effectively to select features that ARMv4 and above contain. - Fix GCC 3.1 multi-line __asm__ build warnings <rmk@flint.arm.linux.org.uk> [ARM] Miscellaneous - Use definitions where possible. - Fix various errors in comments. - Fix missing max_pfn initialisation. - Add missing device.h and errno.h include files. - Ensure thread->flags is unsigned long for bitops. <rmk@flint.arm.linux.org.uk> [ARM] Fix build errors caused by fb changes - Move *_blank function earlier in the file. - Correctly limit acornfb virtual y resolution. <rmk@flint.arm.linux.org.uk> [ARM] Acorn DMA/Expansion card fixups - Allow icside to moan if it tries to change DMA settings while the DMA is in progress. - Fix Acorn expansion card IRQ handling. - Clean up IOMD DMA state machine. <rmk@flint.arm.linux.org.uk> [ARM] Remove old NetWinder uncompressed kernel image compatibility code. Add/correct comments, including in decompressor code. Add arm6 cache support to decompressor. <rmk@flint.arm.linux.org.uk> [ARM] Make Acorn SCSI drivers build again. Acorn machines will never have "highmem" support, so can combine page + offset into the scsi pointer structure for now. <rmk@flint.arm.linux.org.uk> [ARM] Make etherh.c build again - combine struct ei_device inside our own device specific structure. <kai@tp1.ruhr-uni-bochum.de> kbuild: Consistent use of [AC]FLAGS_KERNEL and MODFLAGS We have o CFLAGS_KERNEL: Additional flags for files compiled into vmlinux o AFLAGS_KERNEL: Additional flags for files assembled into vmlinux o MODFLAGS: Additonal flags for files compiled as module For consistency, rename MODFLAGS to CFLAGS_MODULE, introduce AFLAGS_MODULE but leave it empty for now. While we're at, removing "MAKING_MODULES=1", nobody is using it. <kai@tp1.ruhr-uni-bochum.de> kbuild: Rearrange Rules.make Group the variable-processing part together, which figures out what needs to be done. (Nothing actually changes in this cset) <greg@kroah.com> USB cdc-ether driver compile time fix fix compile time error, due to addition of jiffies.h <greg@kroah.com> usb.h #include dependancies and whitespace cleanup <greg@kroah.com> USB storage #include fixup addition of #include <linux/version.h> due to removal from <linux/usb.h> <greg@kroah.com> USB driver #include cleanups Removed lots of unneeded #includes from the tty style drivers. <davem@nuts.ninka.net> Fix build fallout from namei.h/jiffies.h changes. - Include dcache.h/namei.h in fs/autofs/autofs_i.h not dirhash.c - Include list.h and spinlock.h in dcache.h - Include list.h in mount.h and namei.h <davem@nuts.ninka.net> Sparc64 build fixes: - Yes we really do need sched.h in central.c - Include namei.h in solaris syscall emul layer - Use generic_fls in sparc64 bitops. - Add dummy asm-sparc64/suspend.h <kai@tp1.ruhr-uni-bochum.de> EXPORT_SYMBOL: Remove the option of implicitly exporting symbols We now always allocate the section __ksymtab, which to modutils means not to implicitly export any symbols. That means that EXPORT_NO_SYMBOLS is now default, and thus can go away in the sources. <kai@tp1.ruhr-uni-bochum.de> EXPORT_SYMBOL: Remove EXPORT_NO_SYMBOLS from arch/* <kai@tp1.ruhr-uni-bochum.de> EXPORT_SYMBOL: Remove EXPORT_NO_SYMBOLS from drivers/* <kai@tp1.ruhr-uni-bochum.de> EXPORT_SYMBOL: Remove EXPORT_NO_SYMBOLS from fs/* <kai@tp1.ruhr-uni-bochum.de> EXPORT_SYMBOL: Remove EXPORT_NO_SYMBOLS from net/* <kai@tp1.ruhr-uni-bochum.de> EXPORT_SYMBOL: Remove EXPORT_NO_SYMBOLS from sound/* <kai@tp1.ruhr-uni-bochum.de> ISDN: Fix compiler warnings The copy_to/from_user fixes left some variables unused, which the compiler warned about. <kai@tp1.ruhr-uni-bochum.de> kbuild: Small cleanups o Use a shorter expression to transform 'foo.o' -> 'foo-objs' o Define EXPORT_FLAGS (as -DEXPORT_SYMTAB) in the main Makefile o Small rearrangement of code in Rules.make <kai@tp1.ruhr-uni-bochum.de> kbuild: Use standard multi-part object declaration in drivers/char/* <kai@tp1.ruhr-uni-bochum.de> kbuild: Use standard multi-part object declaration in drivers/video/* <kai@tp1.ruhr-uni-bochum.de> ISDN: Use 'built-in.o' instead of 'vmlinux-obj.o' as O_TARGET <kai@tp1.ruhr-uni-bochum.de> kbuild: Assorted small cleanups o Standardize building math-emu.o for arch/alpha o Remove old boilerplate code / redundant comments o Remove unnecessary obj-m := $(sort $(obj-m)) in ALSA <kai@tp1.ruhr-uni-bochum.de> ISDN: Move AVM Config.help entries to right dir (Christoph Hellwig) <dhowells@redhat.com> [PATCH] Re: rwsem update The attached patch fixes the compilation problems Andrew Morton has been seeing with the rw-semaphores in the kernel when using gcc 2.95.3 with -O1. <hch@infradead.org> [PATCH] include buffer_head.h in actual users instead of fs.h (1/10) Now that fs.h grow due to the lock.h removal let's reduce it's overhead again: Instead of penalizing ever user of fs.h with the overhead of the buffer head interface let it's users include it directly. This also shows nicely which parts of the core kernel still depend on the buffer head interface, and allows that to be cleaned up properly. This is the first of ten patches and adds the includes needed by buffer_head.h to it and fixes it's inclusion guard. <hch@infradead.org> [PATCH] include buffer_head.h in actual users instead of fs.h (2/10) Declare buffer_init() extern in init/main.c like the other _init so that it doesn't have to include buffer_head.h. Remove buffer_init() there. <hch@infradead.org> [PATCH] include buffer_head.h in actual users instead of fs.h (3/10) Remove unused bh_kmap/bh_kunmap inlines from highmem.h. <hch@infradead.org> [PATCH] include buffer_head.h in actual users instead of fs.h (4/10) Remove two unused declarations in fs/jffs/intrep.h. <hch@infradead.org> [PATCH] include buffer_head.h in actual users instead of fs.h (5/10) Include buffer_head.h directly in the file in drivers/ that need it (9 files). Note that most of this uses are layering violations that I will address later. <hch@infradead.org> [PATCH] include buffer_head.h in actual users instead of fs.h (6/10) Make the 7 file that need it in mm/ include buffer_head.h directly. Once again most files shouln't need it and want fixing. <hch@infradead.org> [PATCH] include buffer_head.h in actual users instead of fs.h (7/10) Make the 5 headers in include/linux that need it include buffer_head.h directly. <hch@infradead.org> [PATCH] include buffer_head.h in actual users instead of fs.h (8/10) Make kernel/ksyms.c include buffer_head.h directly. <hch@infradead.org> [PATCH] include buffer_head.h in actual users instead of fs.h (9/10) Make the 144 files in fs/ that need it include buffer_head.h directly. Again some uses in the VFS files are layering violations and need to be addressed later. The new include statement gives a nice grep pattern for that :) <hch@infradead.org> [PATCH] include buffer_head.h in actual users instead of fs.h (10/10) No more need to include buffer_head.h in fs.h. Finally. <kai@tp1.ruhr-uni-bochum.de> Fix dummy gameport_{,un}register_port Needs static, otherwise one gets multiple definitions in the final vmlinux image. <kai@tp1.ruhr-uni-bochum.de> Compiler warning fixes __initcalls are supposed to return a value. Statically initialize the struct instead of doing strcpy() at runtime. <torvalds@home.transmeta.com> Fix over-eager header file cleanup <torvalds@home.transmeta.com> Merge DRI CVS tree into standard kernel <dalecki@evision-ventures.com> [PATCH] 2.5.17 IDE 70 - Apply host chip driver cleanups by Bartomiej Zonierkiewicz. - Take the draft device type driver implementation from Adam Richter and make it actually work with some of the drivers we have at hand. Quite a lot of it was fixed by me as well to have the desired effects. We have added a attach method for the sub device type drivers to make it possible dor sub device type drivers to attach devices to the overall infrastructure. UNIX has something like this SCSI code is implementing something like this, just for some unknown reasons Linux block device operations don't have it... - ide_drive_t is finally gone. Please use struct ata_device instead. Hint the ide.h specific byte type should go over time as well, sine there is no need to invent something already handled by the kernel. Please use the unambigious u8 type instead where possible. - Add a bit of documentation about cabling issues. ide.txt needs a lot of improvement at some time still. <torvalds@penguin.transmeta.com> Clean up tlb_start/end_vma. <torvalds@penguin.transmeta.com> Fix up header file <pavel@ucw.cz> [PATCH] swsusp cleanups These are cleanups. They do not change any code, except killing printk's. <pavel@ucw.cz> [PATCH] swsusp: making myself maintainer I asked Gabor if he'd like me to maintain swsusp, and he liked that idea [<quote>Would you please take over maintaining? I offered this in the list a while ago anyway.</quote>]. <pavel@ucw.cz> [PATCH] swsusp fixes This kills unneccessary include from ide-disk.c, kills #ifdef from reiserfs/journal.c, makes suspend_device local as it should be, abstains from suspending devices two times in a row (typo), and makes sure we do not run_task_queue() while we hold spinlock. <torvalds@home.transmeta.com> Fix up more headers to make the drm merge compile more cleanly <kai@tp1.ruhr-uni-bochum.de> Add missing includes Fixes a warning in ieee1394_types.h and an error in include/linux/usb.h <acme@conectiva.com.br> drivers/char/rio/*.c - make sure return codes are negative (i.e. return -ENOMEM and not return ENOMEM et al) <kai@tp1.ruhr-uni-bochum.de> kbuild: Make O_TARGET default to 'built-in.o' If a Makefile defines neither O_TARGET nor L_TARGET, let's assume a default of 'built-in.o'. The goal of this is, of course, to eventually get rid of O_TARGET completely. <kai@tp1.ruhr-uni-bochum.de> kbuild: Remove now redundant 'O_TARGET := built-in.o' lines (plus a bit of rearranging in the ISDN Makefiles) <kai@tp1.ruhr-uni-bochum.de> kbuild: Clean up sound/*/Makefile <kai@tp1.ruhr-uni-bochum.de> kbuild: Remove usage of L_TARGET in drivers/* We use O_TARGET everywhere else, so let's just convert the remaining users (They get the implicit built-in.o O_TARGET now) <kai@tp1.ruhr-uni-bochum.de> kbuild: Correct dependencies for generated soundmodem tables Build the headers only when we need them during the build, not always at 'make dep' time. <kai@tp1.ruhr-uni-bochum.de> kbuild: Simplify linking subdirs in drivers/*/Makefile Use the new obj-$(CONFIG_FOO) += foo/ syntax to descend into a subdir and link in the result, if CONFIG_FOO=y. <kai@tp1.ruhr-uni-bochum.de> kbuild: Beautify ACPI Makefiles <kai@tp1.ruhr-uni-bochum.de> kbuild: Use standard multi-part object declaration in lib/* <kai@tp1.ruhr-uni-bochum.de> kbuild: Use standard multi-part object declaration in fs/* <kai@tp1.ruhr-uni-bochum.de> kbuild: Use standard multi-part object declaration in net/* <viro@math.psu.edu> [PATCH] kdev_t -> bdev cleanups [1/2] - kill the last caller of get_hardsect_size() (switching it to bdev_hardsect_size()). - kill blk_get_queue() and switching to bdev_get_queue() <torvalds@home.transmeta.com> Undo block devices changes from floppy fix: incorrect. <viro@math.psu.edu> [PATCH] kdev_t -> bdev cleanups [2/2] - move the contents of bdev_get_queue() into do_open() and check_partitions() and cache the result in new field of struct block_device - clean it at the same places that reset ->bd_op, etc. - make bdev_get_queue() return cached pointer. <kai@tp1.ruhr-uni-bochum.de> kbuild: Fix some issues I missed before Didn't get the net/ conversion quite right, and apparently overlooked one subdir in sound/. Now fixed. <torvalds@home.transmeta.com> Update kernel version (Log in to post comments)
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