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2010-04-07Merge branch 'x86-fixes-for-linus' of ↵Linus Torvalds10-26/+82
git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-tip: x86: Fix double enable_IR_x2apic() call on SMP kernel on !SMP boards x86: Increase CONFIG_NODES_SHIFT max to 10 ibft, x86: Change reserve_ibft_region() to find_ibft_region() x86, hpet: Fix bug in RTC emulation x86, hpet: Erratum workaround for read after write of HPET comparator bootmem, x86: Fix 32bit numa system without RAM on node 0 nobootmem, x86: Fix 32bit numa system without RAM on node 0 x86: Handle overlapping mptables x86: Make e820_remove_range to handle all covered case x86-32, resume: do a global tlb flush in S4 resume
2010-04-07Merge branch 'for-linus' of git://git.monstr.eu/linux-2.6-microblazeLinus Torvalds5-12/+10
* 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze: microblaze: Remove unused variable from ptrace microblaze: io.h: Add io big-endian function microblaze: Enable memory leak detector microblaze: Fix futex code microblaze: Fix ftrace_update_ftrace_func panic
2010-04-07Merge branch 'for-linus' of ↵Linus Torvalds36-212/+408
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ALSA: mixart: range checking proc file ALSA: hda - Fix a wrong array range check in patch_realtek.c ALSA: ASoC: move dma_data from snd_soc_dai to snd_soc_pcm_stream ALSA: hda - Enable amplifiers on Acer Inspire 6530G ASoC: Only do WM8994 bias off transition from standby ASoC: Don't use DCS_DATAPATH_BUSY for WM hubs devices ASoC: Don't do runtime wm_hubs DC servo updates if using offset correction ASoC: Support second DC servo readback method for wm_hubs ASoC: Avoid wraparound in wm_hubs DC servo correction ALSA: echoaudio - Eliminate use after free ALSA: i2c: cleanup: change parameter to pointer ALSA: hda - Add MSI blacklist for Aopen MZ915-M ASoC: OMAP: Fix capture pointer handling for OMAP1510 to work correctly with recent ALSA PCM code ALSA: hda - Update document about MSI and interrupts ALSA: hda: Fix 0 dB offset for Lenovo Thinkpad models using AD1981 ALSA: hda - Add missing printk argument in previous patch ASoC: Fix passing platform_data to ac97 bus users and fix a leak ALSA: hda - Fix ADC/MUX assignment of ALC269 codec ALSA: hda - Fix invalid bit values passed to snd_hda_codec_amp_stereo() ASoC: wm8994: playback => capture
2010-04-07Merge branch 'slabh' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/miscLinus Torvalds1-1/+1
* 'slabh' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc: nodemask: include slab.h from drivers/base/node.c
2010-04-07fs-cache: order the debugfs stats correctlyDavid Howells1-2/+2
Order the debugfs statistics correctly. The values displayed through a seq_printf() statement should be in the same order as the names in the format string. In the 'Lookups' line, objects created ('crt=') and lookups timed out ('tmo=') have their values transposed. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07frv: fix kernel/user segment handling in NOMMU modeDavid Howells2-5/+3
In NOMMU mode, the FRV segment handling is broken because KERNEL_DS == USER_DS. This causes tests of the following sort: /* don't pin down non-user-based iovecs */ if (segment_eq(get_fs(), KERNEL_DS)) return NULL; to malfunction. To fix this, make USER_DS the top of RAM instead of the top of the non-IO address space, and make KERNEL_DS one more than the top of the non-IO address space. Also get rid of FRV's __addr_ok() as nothing uses it. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07frv: hide uncached_access() when pgprot_noncached is not #definedDavid Howells1-0/+2
Hide uncached_access() when pgprot_noncached is not #defined. This prevents the following warning: CC drivers/char/mem.o drivers/char/mem.c:229: warning: 'uncached_access' defined but not used Repairs d7d4d849b4e3acc405ec222884936800ffb26d48 ("drivers/char/mem.c: cleanups"). Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07rtc-mxc: multiple fixes in rtc-mxc probe methodVladimir Zapolskiy1-13/+13
On exit paths in mxc_rtc_probe() method some resources are not freed correctly. This patch fixes: * unrequested memory region containing imx RTC registers * iounmap() isn't called on exit_free_pdata branch * clock get rate is called for freed clock source * clock isn't disabled on exit_put_clk branch To simplify the fix managed device resources are used. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Vladimir Zapolskiy <vzapolskiy@gmail.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Daniel Mack <daniel@caiaq.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07memcg: fix race in file_mapped accountingKAMEZAWA Hiroyuki2-9/+15
Presently, memcg's FILE_MAPPED accounting has following race with move_account (happens at rmdir()). increment page->mapcount (rmap.c) mem_cgroup_update_file_mapped() move_account() lock_page_cgroup() check page_mapped() if page_mapped(page)>1 { FILE_MAPPED -1 from old memcg FILE_MAPPED +1 to old memcg } ..... overwrite pc->mem_cgroup unlock_page_cgroup() lock_page_cgroup() FILE_MAPPED + 1 to pc->mem_cgroup unlock_page_cgroup() Then, old memcg (-1 file mapped) new memcg (+2 file mapped) This happens because move_account see page_mapped() which is not guarded by lock_page_cgroup(). This patch adds FILE_MAPPED flag to page_cgroup and move account information based on it. Now, all checks are synchronous with lock_page_cgroup(). Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Reviewed-by: Balbir Singh <balbir@in.ibm.com> Reviewed-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> Cc: Andrea Righi <arighi@develer.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07pagemap: fix pfn calculation for hugepageNaoya Horiguchi3-32/+46
When we look into pagemap using page-types with option -p, the value of pfn for hugepages looks wrong (see below.) This is because pte was evaluated only once for one vma although it should be updated for each hugepage. This patch fixes it. $ page-types -p 3277 -Nl -b huge voffset offset len flags 7f21e8a00 11e400 1 ___U___________H_G________________ 7f21e8a01 11e401 1ff ________________TG________________ ^^^ 7f21e8c00 11e400 1 ___U___________H_G________________ 7f21e8c01 11e401 1ff ________________TG________________ ^^^ One hugepage contains 1 head page and 511 tail pages in x86_64 and each two lines represent each hugepage. Voffset and offset mean virtual address and physical address in the page unit, respectively. The different hugepages should not have the same offset value. With this patch applied: $ page-types -p 3386 -Nl -b huge voffset offset len flags 7fec7a600 112c00 1 ___UD__________H_G________________ 7fec7a601 112c01 1ff ________________TG________________ ^^^ 7fec7a800 113200 1 ___UD__________H_G________________ 7fec7a801 113201 1ff ________________TG________________ ^^^ OK More info: - This patch modifies walk_page_range()'s hugepage walker. But the change only affects pagemap_read(), which is the only caller of hugepage callback. - Without this patch, hugetlb_entry() callback is called per vma, that doesn't match the natural expectation from its name. - With this patch, hugetlb_entry() is called per hugepte entry and the callback can become much simpler. Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07ratelimit: fix the return value when __ratelimit() fails to acquire the lockYong Zhang1-1/+1
The log of commit edaac8e3167501cda336231d00611bf59c164346 ("ratelimit: Fix/allow use in atomic contexts"), indicates that we want to suppress the callback when the trylock fails. Signed-off-by: Yong Zhang <yong.zhang@windriver.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07kernel.h: fix wrong usage of __ratelimit()Yong Zhang1-1/+1
When __ratelimit() returns 1 this means that we can go ahead. Signed-off-by: Yong Zhang <yong.zhang@windriver.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07ratelimit: annotate ___ratelimit()Yong Zhang1-2/+7
To prevent from wrongly using the return value. [akpm@linux-foundation.org: fix spello] Signed-off-by: Yong Zhang <yong.zhang@windriver.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Dave Young <hidave.darkstar@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07/dev/mem: allow rewindingEric Dumazet1-5/+0
commit dcefafb6 ("/dev/mem: dont allow seek to last page") inadvertently disabled rewinding on /dev/mem. This broke x86info for example. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07vfs: rename block_fsync() to blkdev_fsync()Andrew Morton3-5/+5
Requested by hch, for consistency now it is exported. Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Anton Blanchard <anton@samba.org> Cc: Christoph Hellwig <hch@lst.de> Cc: Jan Kara <jack@suse.cz> Cc: Jeff Moyer <jmoyer@redhat.com> Cc: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07raw: fsync method is now requiredAnton Blanchard3-1/+4
Commit 148f948ba877f4d3cdef036b1ff6d9f68986706a (vfs: Introduce new helpers for syncing after writing to O_SYNC file or IS_SYNC inode) broke the raw driver. We now call through generic_file_aio_write -> generic_write_sync -> vfs_fsync_range. vfs_fsync_range has: if (!fop || !fop->fsync) { ret = -EINVAL; goto out; } But drivers/char/raw.c doesn't set an fsync method. We have two options: fix it or remove the raw driver completely. I'm happy to do either, the fact this has been broken for so long suggests it is rarely used. The patch below adds an fsync method to the raw driver. My knowledge of the block layer is pretty sketchy so this could do with a once over. If we instead decide to remove the raw driver, this patch might still be useful as a backport to 2.6.33 and 2.6.32. Signed-off-by: Anton Blanchard <anton@samba.org> Reviewed-by: Jan Kara <jack@suse.cz> Cc: Christoph Hellwig <hch@lst.de> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Jens Axboe <jens.axboe@oracle.com> Reviewed-by: Jeff Moyer <jmoyer@redhat.com> Tested-by: Jeff Moyer <jmoyer@redhat.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07mb862xxfb: update Valentin's email addressAlexander Shishkin1-1/+1
Since Valentin's email address @siemens.com is no longer valid, it's time to change it to the one that actually works so that I don't have to manually forward patches against mb862xx to him every time. Signed-off-by: Alexander Shishkin <virtuoso@slind.org> Acked-by: Valentin Sitdikov <v.sitdikov@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07mb862xxfb: fix acceleration module licenseRandy Dunlap1-0/+3
mb862xxfb_accel built as a separate module, but it does not have a MODULE_LICENSE, so it taints the kernel. Add a MODULE_LICENSE to it (same as mb862xxfb license). mb862xxfb_accel: module license 'unspecified' taints kernel. Or should mb862xxfb_accel be built into the mb862xxfb binary file instead? Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Acked-by: Alexander Shishkin <virtuoso@slind.org> Cc: Valentin Sitdikov <v.sitdikov@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07mm: revert "vmscan: get_scan_ratio() cleanup"KOSAKI Motohiro1-14/+9
Shaohua Li reported his tmpfs streaming I/O test can lead to make oom. The test uses a 6G tmpfs in a system with 3G memory. In the tmpfs, there are 6 copies of kernel source and the test does kbuild for each copy. His investigation shows the test has a lot of rotated anon pages and quite few file pages, so get_scan_ratio calculates percent[0] (i.e. scanning percent for anon) to be zero. Actually the percent[0] shoule be a big value, but our calculation round it to zero. Although before commit 84b18490 ("vmscan: get_scan_ratio() cleanup") , we have the same problem too. But the old logic can rescue percent[0]==0 case only when priority==0. It had hided the real issue. I didn't think merely streaming io can makes percent[0]==0 && priority==0 situation. but I was wrong. So, definitely we have to fix such tmpfs streaming io issue. but anyway I revert the regression commit at first. This reverts commit 84b18490d1f1bc7ed5095c929f78bc002eb70f26. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Reported-by: Shaohua Li <shaohua.li@intel.com> Cc: Rik van Riel <riel@redhat.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Minchan Kim <minchan.kim@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07devmem: handle class_create() failureAnton Blanchard1-0/+3
I hit this when we had a bug in IDR for a few days. Basically sysfs would fail to create new inodes since it uses an IDR and therefore class_create would fail. While we are unlikely to see this fail we may as well handle it instead of oopsing. Signed-off-by: Anton Blanchard <anton@samba.org> Reviewed-by: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07readahead: fix NULL filp dereferenceWu Fengguang1-1/+1
btrfs relocate_file_extent_cluster() calls us with NULL filp: [ 4005.426805] BUG: unable to handle kernel NULL pointer dereference at 00000021 [ 4005.426818] IP: [<c109a130>] page_cache_sync_readahead+0x18/0x3e Signed-off-by: Wu Fengguang <fengguang.wu@intel.com> Cc: Yan Zheng <yanzheng@21cn.com> Reported-by: Kirill A. Shutemov <kirill@shutemov.name> Tested-by: Kirill A. Shutemov <kirill@shutemov.name> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07device_attributes: add sysfs_attr_init() for dynamic attributesWolfram Sang4-0/+11
Made necessary by 6992f5334995af474c2b58d010d08bc597f0f2fe ("sysfs: Use one lockdep class per sysfs attribute"). Prevents further "key xxx not in .data" bug-reports. Although some attributes could probably be converted to static ones, this is left for people having hardware to test. Found by this semantic patch: @ init @ type T; identifier A; @@ T { ... struct device_attribute A; ... }; @ main extends init @ expression E; statement S; identifier err; T *name; @@ ... when != sysfs_attr_init(&name->A.attr); ( + sysfs_attr_init(&name->A.attr); if (device_create_file(E, &name->A)) S | + sysfs_attr_init(&name->A.attr); err = device_create_file(E, &name->A); ) While reviewing, I put the initialization to apropriate places. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Greg KH <gregkh@suse.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: Mike Isely <isely@pobox.com> Cc: Mauro Carvalho Chehab <mchehab@infradead.org> Cc: Sujith Thomas <sujith.thomas@intel.com> Cc: Matthew Garrett <mjg@redhat.com> Cc: Len Brown <len.brown@intel.com> Cc: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07drivers/thermal/thermal_sys.c: fix 'key f70f4b50 not in .data' in thermal_sysSergey Senozhatsky1-0/+3
Initialize sysfs attributes before device_create_file call. Addresses https://bugzilla.kernel.org/show_bug.cgi?id=15548 Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Greg KH <gregkh@suse.de> Cc: Zhang Rui <rui.zhang@intel.com> Cc: Len Brown <len.brown@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07cciss: unlock on error pathDan Carpenter1-0/+1
We take the spin_lock again in fail_all_cmds() so we need to unlock here. Signed-off-by: Dan Carpenter <error27@gmail.com> Acked-by: Steve Cameron <scameron@beardog.cce.hp.com> Cc: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07mxser: spin_lock() => spin_lock_irq()Dan Carpenter1-3/+3
This should be spin_lock_irq() to match the spin_unlock_irq(). Originally it was a lock_kernel() but we switched everything to spin_lock_irq() last November. [akpm@linux-foundation.org: fix the MOXA_ASPP_MON case too (per Jiri)] Signed-off-by: Dan Carpenter <error27@gmail.com> Cc: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07omap hsmmc: fix a bug in card remove scenarioMadhusudhan Chikkature1-7/+2
The reset of data lines when the card is removed from the cage results in a failure.The failure is seen if the card is removed from the cage when TC is pending after a CMD with data received CC.The reset logic leaves the controller in a state where niether a TC is received nor DTO. The rest code can be safely removed here since it is taken care in the IRQ handler. Signed-off-by: Madhusudhan Chikkature <madhu.cr@ti.com> Cc: Adrian Hunter <adrian.hunter@nokia.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07drivers/gpio/timbgpio.c: add missing unlockJulia Lawall1-4/+8
In an error handling case the lock is not unlocked. The return is converted to a goto, to share the unlock at the end of the function. A simplified version of the semantic patch that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r exists@ expression E1; identifier f; @@ f (...) { <+... * spin_lock_irqsave (E1,...); ... when != E1 * return ...; ...+> } // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Cc: <richard.rojfors@pelagicore.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07drivers/char/amiserial.c: add missing local_irq_restoreJulia Lawall1-2/+2
rs_init() is failing to restore interrupts on two error paths, and is incorrectly calling tty_unregister_driver() with local interrupts disabled. Fix these things by disabling interrupts later, after the reauest_irq() calls. A simplified version of the semantic patch that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r exists@ expression E1; identifier f; @@ f (...) { <+... * local_irq_save (E1,...); ... when != E1 * return ...; ...+> } // </smpl> [akpm@linux-foundation.org: reimplement the fix] Signed-off-by: Julia Lawall <julia@diku.dk> Cc: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07fbdev: rename imacfb.txt to efifb.txt and change imacfb to efifb.Justin P. Mattock1-7/+7
Rename imacfb.txt to efifb.txt since imacfb was moved to efifb,and change imacfb to efifb. Signed-off-by: Justin P. Mattock <justinmattock@gmail.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07vesafb: use platform_driver_probe() instead of platform_driver_register()Jan Beulich1-13/+13
Commit c2e13037e6794bd0d9de3f9ecabf5615f15c160b ("platform-drivers: move probe to .devinit.text in drivers/video") introduced a huge amount of section mismatch warnings in vesafb code. Rather than converting all of the annotations, do the obvious and revert the __init -> __devinit change, and use the recommended (in that patch) alternative to calling platform_driver_register(): vesafb depends on information obtained from by kernel at boot time, cannot be a module, and no post-boot devices can ever show up. Signed-off-by: Jan Beulich <jbeulich@novell.com> Cc: Greg KH <greg@kroah.com> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07include/linux/kfifo.h: fix INIT_KFIFO()David Härdeman1-1/+2
DECLARE_KFIFO creates a union with a struct kfifo and a buffer array with size [size + sizeof(struct kfifo)]. INIT_KFIFO then sets the buffer pointer in struct kfifo to point to the beginning of the buffer array which means that the first call to kfifo_in will overwrite members of the struct kfifo. Signed-off-by: David Härdeman <david@hardeman.nu> Acked-by: Stefani Seibold <stefani@seibold.net> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07mm: avoid null-pointer deref in sync_mm_rss()KAMEZAWA Hiroyuki3-3/+6
- We weren't zeroing p->rss_stat[] at fork() - Consequently sync_mm_rss() was dereferencing tsk->mm for kernel threads and was oopsing. - Make __sync_task_rss_stat() static, too. Addresses https://bugzilla.kernel.org/show_bug.cgi?id=15648 [akpm@linux-foundation.org: remove the BUG_ON(!mm->rss)] Reported-by: Troels Liebe Bentsen <tlb@rapanden.dk> Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> "Michael S. Tsirkin" <mst@redhat.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Rik van Riel <riel@redhat.com> Cc: Minchan Kim <minchan.kim@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07bitops: remove temporary for_each_bit()Andrew Morton1-3/+0
Migration has been completed so remove this now. There's one straggler in linux-next's drivers/mtd/sm_ftl.c. A patch has been sent. Cc: Akinobu Mita <akinobu.mita@gmail.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-07microblaze: Remove unused variable from ptraceMichal Simek1-1/+0
Patch b3c1e01a09d6af2dd7811a066ffcfc5171be2bed should do it. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-07microblaze: io.h: Add io big-endian functionJohn Linn1-0/+5
Add new io big-endian function. They will be used for uartlite and spi driver. Signed-off-by: John Linn <john.linn@xilinx.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-07Merge branch 'fix/hda' into for-linusTakashi Iwai4-51/+138
2010-04-07Merge branch 'fix/asoc' into for-linusTakashi Iwai28-146/+252
2010-04-07Merge branch 'fix/misc' into for-linusTakashi Iwai4-15/+18
2010-04-07microblaze: Enable memory leak detectorMichal Simek1-1/+1
Enable DEBUG_KMEMLEAK for microblaze Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-07microblaze: Fix futex codeMichal Simek1-1/+1
Use logical and NOT for ANDN. It was likely type fault. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-07microblaze: Fix ftrace_update_ftrace_func panicSteven J. Magnani1-9/+3
The Microblaze dynamic ftrace code assumes a call ordering that is not met in all scenarios. Specifically, executing a command similar to: echo 105 > /sys/kernel/debug/tracing/set_ftrace_pid before any other tracing-related commands results in a kernel panic: BUG: failure at arch/microblaze/kernel/ftrace.c:198/ftrace_update_ftrace_func()! Recoding ftrace_update_ftrace_func() to use &ftrace_caller directly eliminates the need to capture its address elsewhere (and thus rely on a particular call sequence). Signed-off-by: Steven J. Magnani <steve@digidescorp.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-07nodemask: include slab.h from drivers/base/node.cTejun Heo1-1/+1
NODEMASK_ALLOC/FREE are mapped to kmalloc/free if NODES_SHIFT > 8. Among its several users, drivers/base/node.c wasn't including slab.h leading to build failure if NODES_SHIFT > 8. Include slab.h from drivers/base/node.c. This isn't an ideal solution but including slab.h directly from nodemask.h is not an option because nodemask.h gets included everywhere. For now, make it work by including slab.h from its users. Signed-off-by: Tejun Heo <tj@kernel.org> Reported-by: Ingo Molnar <mingo@elte.hu>
2010-04-06Merge branch 'urgent' of ↵Linus Torvalds1-17/+14
git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6 * 'urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6: pcmcia: fix up alignf issues
2010-04-06Merge branch 'irq-core-for-linus' of ↵Linus Torvalds1-0/+10
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: genirq: Force MSI irq handlers to run with interrupts disabled
2010-04-06Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdogLinus Torvalds7-21/+109
* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog: [WATCHDOG] hpwdt - fix lower timeout limit [WATCHDOG] iTCO_wdt: TCO Watchdog patch for additional Intel Cougar Point DeviceIDs [WATCHDOG] doc: Fix use of WDIOC_SETOPTIONS ioctl. [WATCHDOG] doc: watchdog simple example: don't fail on fsync() [WATCHDOG] set max63xx driver as ARM only [WATCHDOG] powerpc: pika_wdt ident cannot be const
2010-04-06ALSA: mixart: range checking proc fileDan Carpenter1-10/+14
The original code doesn't take into consideration that the value of MIXART_BA0_SIZE - pos can be less than zero which would lead to a large unsigned value for "count". Also I moved the check that read size is a multiple of 4 bytes below the code that adjusts "count". Signed-off-by: Dan Carpenter <error27@gmail.com> Cc: <stable@kernel.org> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-04-06Merge branch 'upstream-linus' of ↵Linus Torvalds3-33/+49
git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: libata: unlock HPA if device shrunk libata: disable NCQ on Crucial C300 SSD libata: don't whine on spurious IRQ
2010-04-06Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds47-131/+14221
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (37 commits) smc91c92_cs: fix the problem of "Unable to find hardware address" r8169: clean up my printk uglyness net: Hook up cxgb4 to Kconfig and Makefile cxgb4: Add main driver file and driver Makefile cxgb4: Add remaining driver headers and L2T management cxgb4: Add packet queues and packet DMA code cxgb4: Add HW and FW support code cxgb4: Add register, message, and FW definitions netlabel: Fix several rcu_dereference() calls used without RCU read locks bonding: fix potential deadlock in bond_uninit() net: check the length of the socket address passed to connect(2) stmmac: add documentation for the driver. stmmac: fix kconfig for crc32 build error be2net: fix bug in vlan rx path for big endian architecture be2net: fix flashing on big endian architectures be2net: fix a bug in flashing the redboot section bonding: bond_xmit_roundrobin() fix drivers/net: Add missing unlock net: gianfar - align BD ring size console messages net: gianfar - initialize per-queue statistics ...
2010-04-06proc: copy_to_user() returns unsignedDan Carpenter1-1/+1
copy_to_user() returns the number of bytes left to be copied. This was a typo from: d82ef020cf31 "proc: pagemap: Hold mmap_sem during page walk". Signed-off-by: Dan Carpenter <error27@gmail.com> Acked-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-06libata: unlock HPA if device shrunkTejun Heo2-29/+46
Some BIOSes don't configure HPA during boot but do so while resuming. This causes harddrives to shrink during resume making libata detach and reattach them. This can be worked around by unlocking HPA if old size equals native size. Add ATA_DFLAG_UNLOCK_HPA so that HPA unlocking can be controlled per-device and update ata_dev_revalidate() such that it sets ATA_DFLAG_UNLOCK_HPA and fails with -EIO when the above condition is detected. This patch fixes the following bug. https://bugzilla.kernel.org/show_bug.cgi?id=15396 Signed-off-by: Tejun Heo <tj@kernel.org> Reported-by: Oleksandr Yermolenko <yaa.bta@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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