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* [PATCH] fix megaraid.c lockingChristoph Hellwig2005-11-29
| | | | | | | | | | | | | | This fixes locking in megaraid.c, namely: (1) make sure megaraid_queue release the adapter lock by changing the code to have a single return (2) remove the errornous scsi_assign_lock call Testing by Burton Windle. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Burton Windle <bwindle@fint.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Support strange discontiguous PFN remappingsLinus Torvalds2005-11-29
| | | | | | | | | | | | | These get created by some drivers that don't generally even want a pfn remapping at all, but would really mostly prefer to just map pages they've allocated individually instead. For now, create a helper function that turns such an incomplete PFN remapping call into a loop that does that explicit mapping. In the long run we almost certainly want to export a totally different interface for that, though. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Fix missing pfn variables caused by vm changesBen Collins2005-11-29
| | | | | | | | | I image this showed up because of "unused var..." when the changes occured, because flush_cache_page() is a noop in most places. This showed up for me on parisc however, where flush_cache_page() is a real function. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2005-11-29
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| * [IPV6]: Implement appropriate dummy rule 4 in ipv6_dev_get_saddr().YOSHIFUJI Hideaki2005-11-29
| | | | | | | | | | | | | | | | Ensure to update hiscore.rule in dummy rule 4 in ipv6_dev_get_saddr(). Pointed out by Yan Zheng <yanzheng@21cn.com>. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc-mergeLinus Torvalds2005-11-29
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| * | powerpc: Export __flush_icache_range for 32-bitPaul Mackerras2005-11-28
| | | | | | | | | | | | | | | | | | | | | Both 32-bit and 64-bit use the same inline flush_icache_range definition now, so both need to export __flush_icache_range, not just 64-bit. Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] ppc: Export symbol needed by MOLOtavio Salvador2005-11-28
| | | | | | | | | | | | | | | | | | | | | Export symbol needed to allow MOL to run. This was changed to be inline in past and forgot to be change here. Signed-off-by: Paul Mackerras <paulus@samba.org>
* | | [PATCH] Fix vma argument in get_usr_pages() for gate areasNick Piggin2005-11-29
| |/ |/| | | | | | | | | | | | | The system call gate area handling called vm_normal_page() with the wrong vma (which was always NULL, and caused an oops). Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | Linux v2.6.15-rc3v2.6.15-rc3Linus Torvalds2005-11-28
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* Merge master.kernel.org:/home/rmk/linux-2.6-serialLinus Torvalds2005-11-28
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| * [SERIAL] mark several serial tables constArjan van de Ven2005-11-28
| | | | | | | | | | | | | | | | | | This patch marks a few serial data structures const, moving them to .rodata where they won't false-share cachelines with things that get written to. Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] 3181/1: add PORT_ identifier for Hilscher netx uartSascha Hauer2005-11-28
| | | | | | | | | | | | | | | | | | | | Patch from Sascha Hauer This patch adds PORT_NETX for supporting the Hilscher netx embedded UARTs. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | Merge master.kernel.org:/home/rmk/linux-2.6-mmcLinus Torvalds2005-11-28
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| * | [MMC] Fix protocol errorsPierre Ossman2005-11-28
| |/ | | | | | | | | | | | | | | A review against MMC/SD specifications found some errors in the current implementation. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds2005-11-28
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| * | [ARM] 3180/1: Update Zaurus defconfigsRichard Purdie2005-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Richard Purdie This updates the Zaurus defconfigs. Poodle gets merged into corgi_defconfig and support for tosa and akita is enabled. Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3179/1: Update/correct Zaurus Kconfig entriesRichard Purdie2005-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Richard Purdie Add iWMMX Extentions for the pxa27x based Zaurus models and fix a couple of minor mistakes in the PXA Kconfig file. Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3178/1: S3C2400 - adds GPIO registers definitions to regs-gpio.hLucas Correia Villa Real2005-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Lucas Correia Villa Real This patch adds definitions to GPIO registers for the S3C2400 into include/asm-arm/arch-s3c2410/regs-gpio.h. Signed-off-by: Lucas Correia Villa Real <lucasvr@gobolinux.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] Update mach-typesRussell King2005-11-25
| | | | | | | | | | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] Realview core.c does not need mach-types.hRussell King2005-11-25
| | | | | | | | | | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] Do not call flush_tlb_kernel_range() with IRQs disabled.Russell King2005-11-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We must not call TLB maintainence operations with interrupts disabled, otherwise we risk a lockup in the SMP IPI code. This means that consistent_free() can not be called from a context with IRQs disabled. In addition, we must not hold the lock in consistent_free when we call flush_tlb_kernel_range(). However, we must continue to prevent consistent_alloc() from re-using the memory region until we've finished tearing down the mapping and dealing with the TLB. Therefore, leave the vm_region entry in the list, but mark it inactive before dropping the lock and starting the tear-down process. After the mapping has been torn down, re-acquire the lock and remove the entry from the list. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] Remove mach-types.h from head.SRussell King2005-11-25
| | | | | | | | | | | | | | | | | | | | | | | | We don't really need to check whether the machine type is Netwinder or CATS before setting up the PCI IO mapping for debugging. This allows us to eliminate asm/mach-types.h from head.S Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] Remove asm/hardware.h include from SA1100 io.hRussell King2005-11-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Unfortunately, we have a symbol clash between the SA-1100 header and some drivers. Since everywhere which needs SA1100 specifics includes asm/hardware.h, we don't need to include it in the SA1100 io.h header. In file included from drivers/net/wireless/wavelan_cs.p.h:459, from drivers/net/wireless/wavelan_cs.c:60: drivers/net/wireless/wavelan_cs.h:97:1: warning: "LCSR" redefined In file included from include/asm/arch/hardware.h:56, from include/asm/hardware.h:16, from include/asm/arch/io.h:13, from include/asm/io.h:71, from drivers/net/wireless/wavelan_cs.p.h:433, from drivers/net/wireless/wavelan_cs.c:60: include/asm/arch/SA-1100.h:1907:1: warning: this is the location of the previous definition Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | | [PATCH] fuse: check for invalid node ID in fuse_create_open()Miklos Szeredi2005-11-28
| | | | | | | | | | | | | | | | | | | | | | | | Check for invalid node ID values in the new atomic create+open method. Signed-off-by: Miklos Szeredi <miklos@szeredi.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] fuse: check directory aliasing in mkdirMiklos Szeredi2005-11-28
| | | | | | | | | | | | | | | | | | | | | | | | Check the created directory inode for aliases in the mkdir() method. Signed-off-by: Miklos Szeredi <miklos@szeredi.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] shrinker->nr = LONG_MAX means deadlock for icacheAndrea Arcangeli2005-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With Andrew Morton <akpm@osdl.org> The slab scanning code tries to balance the scanning rate of slabs versus the scanning rate of LRU pages. To do this, it retains state concerning how many slabs have been scanned - if a particular slab shrinker didn't scan enough objects, we remember that for next time, and scan more objects on the next pass. The problem with this is that with (say) a huge number of GFP_NOIO direct-reclaim attempts, the number of objects which are to be scanned when we finally get a GFP_KERNEL request can be huge. Because some shrinker handlers just bail out if !__GFP_FS. So the patch clamps the number of objects-to-be-scanned to 2* the total number of objects in the slab cache. Signed-off-by: Andrea Arcangeli <andrea@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] Fix oops in vfs_quotaon_mount()Jan Kara2005-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | When quota file specified in mount options did not exist, we tried to dereference NULL pointer later. Fix it. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] md: fix --re-add for raid1 and raid6NeilBrown2005-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If you have an array with a write-intent-bitmap, and you remove a device, then re-add it, a full recovery isn't needed. We detect a re-add by looking at saved_raid_disk. For raid1, it doesn't matter which disk it was, only whether or not it was an active device. The old code being removed set a value of 'mirror' which was then ignored, so it can go. The changed code performs the correct check. For raid6, if there are two missing devices, make sure we chose the right slot on --re-add rather than always the first slot. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] md: set default_bitmap_offset properly in set_array_infoNeilBrown2005-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If an array is created using set_array_info, default_bitmap_offset isn't set properly meaning that an internal bitmap cannot be hot-added until the array is stopped and re-assembled. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] md: fix problem with raid6 intent bitmapNeilBrown2005-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When doing a recovery, we need to know whether the array will still be degraded after the recovery has finished, so we can know whether bits can be clearred yet or not. This patch performs the required check. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] md: fix locking problem in r5/r6NeilBrown2005-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | bitmap_unplug actually writes data (bits) to storage, so we shouldn't be holding a spinlock... Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] md: improve read speed to raid10 arrays using 'far copies'NeilBrown2005-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | raid10 has two different layouts. One uses near-copies (so multiple copies of a block are at the same or similar offsets of different devices) and the other uses far-copies (so multiple copies of a block are stored a greatly different offsets on different devices). The point of far-copies is that it allows the first section (normally first half) to be layed out in normal raid0 style, and thus provide raid0 sequential read performance. Unfortunately, the read balancing in raid10 makes some poor decisions for far-copies arrays and you don't get the desired performance. So turn off that bad bit of read_balance for far-copies arrays. With this patch, read speed of an 'f2' array is comparable with a raid0 with the same number of devices, though write speed is ofcourse still very slow. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] fix broken hybrid v4l-dvb frontend selectionMichael Krufky2005-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Repair broken build configuration for hybrid v4l/dvb card frontend selection. Signed-off-by: Michael Krufky <mkrufky@m1k.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] temporarily disable swap token on memory pressureRik van Riel2005-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some users (hi Zwane) have seen a problem when running a workload that eats nearly all of physical memory - th system does an OOM kill, even when there is still a lot of swap free. The problem appears to be a very big task that is holding the swap token, and the VM has a very hard time finding any other page in the system that is swappable. Instead of ignoring the swap token when sc->priority reaches 0, we could simply take the swap token away from the memory hog and make sure we don't give it back to the memory hog for a few seconds. This patch resolves the problem Zwane ran into. Signed-off-by: Rik van Riel <riel@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] v9fs: fix memory leak in v9fs dentry codeLatchesar Ionkov2005-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | Assign the appropriate dentry operations to the dentry. Fixes memory leak. Signed-off-by: Latchesar Ionkov <lucho@ionkov.net> Cc: Eric Van Hensbergen <ericvh@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] cpuset fork locking fixPaul Jackson2005-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move the cpuset_fork() call below the write_unlock_irq call in kernel/fork.c copy_process(). Since the cpuset-dual-semaphore-locking-overhaul.patch, the cpuset_fork() routine acquires task_lock(), so cannot be called while holding the tasklist_lock for write. Signed-off-by: Paul Jackson <pj@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] mm: __alloc_pages cleanup fixNick Piggin2005-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I believe this patch is required to fix breakage in the asynch reclaim watermark logic introduced by this patch: http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=7fb1d9fca5c6e3b06773b69165a73f3fb786b8ee Just some background of the watermark logic in case it isn't clear... Basically what we have is this: --- pages_high | | (a) | --- pages_low | | (b) | --- pages_min | | (c) | --- 0 Now when pages_low is reached, we want to kick asynch reclaim, which gives us an interval of "b" before we must start synch reclaim, and gives kswapd an interval of "a" before it need go back to sleep. When pages_min is reached, normal allocators must enter synch reclaim, but PF_MEMALLOC, ALLOC_HARDER, and ALLOC_HIGH (ie. atomic allocations, recursive allocations, etc.) get access to varying amounts of the reserve "c". Signed-off-by: Nick Piggin <npiggin@suse.de> Cc: "Seth, Rohit" <rohit.seth@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] ext3: Wrong return value for EXT3_IOC_GROUP_ADDGlauber de Oliveira Costa2005-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch corrects the return value for the EXT3_IOC_GROUP_ADD in case it fails due to the presence of multiple resizers at the filesystem. The problem is a little bit more serious than a wrong return value in this case, since the clause err=0 in the exit_journal path will lead to a call to update_backups which in turns causes a NULL pointer dereference. Signed-off-by: Glauber de Oliveira Costa <glommer@br.ibm.com> Cc: "Stephen C. Tweedie" <sct@redhat.com> Cc: Andreas Dilger <adilger@clusterfs.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] m32r: M3A-2170(Mappi-III) IDE supportHirokazu Takata2005-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch is for supporting IDE interface for M3A-2170(Mappi-III) board. Signed-off-by: Mamoru Sakugawa <sakugawa@linux-m32r.org> Signed-off-by: Hirokazu Takata <takata@linux-m32r.org> Cc: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] m32r: Introduce atomic_cmpxchg and atomic_inc_not_zero operationsHirokazu Takata2005-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | Introduce atomic_cmpxchg and atomic_inc_not_zero operations for m32r. Signed-off-by: Hayato Fujiwara <fujiwara@linux-m32r.org> Signed-off-by: Hirokazu Takata <takata@linux-m32r.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] m32r: Fix sys_tas() syscallHirokazu Takata2005-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes a deadlock problem of the m32r SMP kernel. In the m32r kernel, sys_tas() system call is provided as a test-and-set function for userspace, for backward compatibility. In some multi-threading application program, deadlocks were rarely caused at sys_tas() funcion. Such a deadlock was caused due to a collision of __pthread_lock() and __pthread_unlock() operations. The "tas" syscall is repeatedly called by pthread_mutex_lock() to get a lock, while a lock variable's value is not 0. On the other hand, pthead_mutex_unlock() sets the lock variable to 0 for unlocking. In the previous implementation of sys_tas() routine, there was a possibility that a unlock operation was ignored in the following case: - Assume a lock variable (*addr) was equal to 1 before sys_tas() execution. - __pthread_unlock() operation is executed by the other processor and the lock variable (*addr) is set to 0, between a read operation ("oldval = *addr;") and the following write operation ("*addr = 1;") during a execution of sys_tas(). In this case, the following write operation ("*addr = 1;") overwrites the __pthread_unlock() result, and sys_tas() fails to get a lock in the next turn and after that. According to the attatched patch, sys_tas() returns 0 value in the next turn and deadlocks never happen. Signed-off-by: Hitoshi Yamamoto <Yamamoto.Hitoshi@ap.MitsubishiElectric.co.jp> Signed-off-by: Hirokazu Takata <takata@linux-m32r.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] Fix hardcoded cpu=0 in workqueue for per_cpu_ptr() callsBen Collins2005-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Tracked this down on an Ultra Enterprise 3000. It's a 6-way machine. Odd thing about this machine (and it's good for finding bugs like this) is that the CPU id's are not 0 based. For instance, on my machine the CPU's are 6/7/10/11/14/15. This caused some NULL pointer dereference in kernel/workqueue.c because for single_threaded workqueue's, it hardcoded the cpu to 0. I changed the 0's to any_online_cpu(cpu_online_mask), which cpumask.h claims is "First cpu in mask". So this fits the same usage. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] fix 32bit overflow in timespec_to_sample()Oleg Nesterov2005-11-28
| | | | | | | | | | | | | | | | | | | | | | | | fix 32bit overflow in timespec_to_sample() Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] fix broken lib/genalloc.cChris Humbert2005-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | genalloc improperly stores the sizes of freed chunks, allocates overlapping memory regions, and oopses after its in-band data is overwritten. Signed-off-by: Chris Humbert <mahadri-kernel@drigon.com> Cc: Jes Sorensen <jes@trained-monkey.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] reiserfs: fix 32-bit overflow in map_block_for_writepage()Oleg Drokin2005-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | I now see another overflow in reiserfs that should lead to data corruptions with files that are bigger than 4G under certain circumstances when using mmap. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] Console rotation fixesBenjamin Herrenschmidt2005-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove bogus usage of test/set_bit() from fbcon rotation code and just manipulate the bits directly. This fixes an oops on powerpc among others and should be faster. Seems to work fine on the G5 here. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Antonino Daplas <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] FRV: Make the FRV arch work againDavid Howells2005-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The attached patch implements a bunch of small changes to the FRV arch to make it work again. It deals with the following problems: (1) SEM_DEBUG should be SEMAPHORE_DEBUG. (2) The argument list to pcibios_penalize_isa_irq() has changed. (3) CONFIG_HIGHMEM can't be used directly in #if as it may not be defined. (4) page->private is no longer directly accessible. (5) linux/hardirq.h assumes asm/hardirq.h will include linux/irq.h (6) The IDE MMIO access functions are given pointers, not integers, and so get type casting errors. (7) __pa() is passed an explicit u64 type in drivers/char/mem.c, but that can't be cast directly to a pointer on a 32-bit platform. (8) SEMAPHORE_DEBUG should not be contingent on WAITQUEUE_DEBUG as that no longer exists. (9) PREEMPT_ACTIVE is too low a value. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] fork.c: proc_fork_connector() called under write_lock()Andrew Morton2005-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Don't do that - it does GFP_KERNEL allocations, for a start. (Reported by Guillaume Thouvenin <guillaume.thouvenin@bull.net>) Acked-by: Matt Helsley <matthltc@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] memory_sysdev_class is staticAndrew Morton2005-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | So don't define it as extern in the header file. drivers/base/memory.c:28: error: static declaration of 'memory_sysdev_class' follows non-static declaration include/linux/memory.h:88: error: previous declaration of 'memory_sysdev_class' was here Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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