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* Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds2009-07-311-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of git://git.kernel.dk/linux-2.6-block: io context: fix ref counting block: make the end_io functions be non-GPL exports block: fix improper kobject release in blk_integrity_unregister block: always assign default lock to queues mg_disk: Add missing ready status check on mg_write() mg_disk: fix issue with data integrity on error in mg_write() mg_disk: fix reading invalid status when use polling driver mg_disk: remove prohibited sleep operation
| * io context: fix ref countingLi Zefan2009-07-311-1/+1
| | | | | | | | | | | | | | | | | | | | Commit d9c7d394a8ebacb60097b192939ae9f15235225e ("block: prevent possible io_context->refcount overflow") mistakenly changed atomic_inc(&ioc->nr_tasks) to atomic_long_inc(&ioc->refcount). Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Nikanth Karthikesan <knikanth@suse.de> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* | Merge branch 'timers-fixes-for-linus' of ↵Linus Torvalds2009-07-311-1/+13
|\ \ | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: clocksource: Save mult_orig in clocksource_disable()
| * | clocksource: Save mult_orig in clocksource_disable()Magnus Damm2009-07-311-1/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | To fix the common case where ->enable() does not set up mult, make sure mult_orig is saved in mult on disable. Also add comments to explain why we do this. Signed-off-by: Magnus Damm <damm@igel.co.jp> Cc: johnstul@us.ibm.com Cc: lethal@linux-sh.org Cc: akpm@linux-foundation.org LKML-Reference: <20090618152432.10136.9932.sendpatchset@rx1.opensource.se> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | | cb710: use SG_MITER_TO_SG/SG_MITER_FROM_SGSebastian Andrzej Siewior2009-07-311-26/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | the code allready uses flush_kernel_dcache_page(). This patch updates the driver to the recent sg API changes which require that either SG_MITER_TO_SG or SG_MITER_FROM_SG is set. SG_MITER_TO_SG calls flush_kernel_dcache_page() in sg_mitter_stop() Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc> Acked-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Pierre Ossman <pierre@ossman.eu>
* | | lib/scatterlist: add a flags to signalize mapping directionSebastian Andrzej Siewior2009-07-311-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | sg_miter_start() is currently unaware of the direction of the copy process (to or from the scatter list). It is important to know the direction because the page has to be flushed in case the data written is seen on a different mapping in user land on cache incoherent architectures. Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc> Acked-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Pierre Ossman <pierre@ossman.eu>
* | | lguest and virtio: cleanup struct definitions to Linux style.Rusty Russell2009-07-305-20/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I've been doing this for years, and akpm picked me up on it about 12 months ago. lguest partly serves as example code, so let's do it Right. Also, remove two unused fields in struct vblk_info in the example launcher. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Ingo Molnar <mingo@redhat.com>
* | | lguest: fix comment styleRusty Russell2009-07-302-18/+36
| | | | | | | | | | | | | | | | | | | | | | | | | | | I don't really notice it (except to begrudge the extra vertical space), but Ingo does. And he pointed out that one excuse of lguest is as a teaching tool, it should set a good example. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Ingo Molnar <mingo@redhat.com>
* | | Merge branch 'pm-fixes' of ↵Linus Torvalds2009-07-291-0/+1
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6 * 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6: PM / Hibernate: Replace bdget call with simple atomic_inc of i_count PM / ACPI: HP G7000 Notebook needs a SCI_EN resume quirk
| * | | PM / Hibernate: Replace bdget call with simple atomic_inc of i_countAlan Jenkins2009-07-291-0/+1
| | |/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Create bdgrab(). This function copies an existing reference to a block_device. It is safe to call from any context. Hibernation code wishes to copy a reference to the active swap device. Right now it calls bdget() under a spinlock, but this is wrong because bdget() can sleep. It doesn't need a full bdget() because we already hold a reference to active swap devices (and the spinlock protects against swapoff). Fixes http://bugzilla.kernel.org/show_bug.cgi?id=13827 Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
* | | uio: mark uio.h functions __KERNEL__ onlyJiri Slaby2009-07-291-9/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | To avoid userspace build failures such as: .../linux/uio.h:37: error: expected `=', `,', `;', `asm' or `__attribute__' before `iov_length' .../linux/uio.h:47: error: expected declaration specifiers or `...' before `size_t' move uio functions inside a __KERNEL__ block. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | lib: flexible array implementationDave Hansen2009-07-291-0/+47
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Once a structure goes over PAGE_SIZE*2, we see occasional allocation failures. Some people have chosen to switch over to things like vmalloc() that will let them keep array-like access to such a large structures. But, vmalloc() has plenty of downsides. Here's an alternative. I think it's what Andrew was suggesting here: http://lkml.org/lkml/2009/7/2/518 I call it a flexible array. It does all of its work in PAGE_SIZE bits, so never does an order>0 allocation. The base level has PAGE_SIZE-2*sizeof(int) bytes of storage for pointers to the second level. So, with a 32-bit arch, you get about 4MB (4183112 bytes) of total storage when the objects pack nicely into a page. It is half that on 64-bit because the pointers are twice the size. There's a table detailing this in the code. There are kerneldocs for the functions, but here's an overview: flex_array_alloc() - dynamically allocate a base structure flex_array_free() - free the array and all of the second-level pages flex_array_free_parts() - free the second-level pages, but not the base (for static bases) flex_array_put() - copy into the array at the given index flex_array_get() - copy out of the array at the given index flex_array_prealloc() - preallocate the second-level pages between the given indexes to guarantee no allocs will occur at put() time. We could also potentially just pass the "element_size" into each of the API functions instead of storing it internally. That would get us one more base pointer on 32-bit. I've been testing this by running it in userspace. The header and patch that I've been using are here, as well as the little script I'm using to generate the size table which goes in the kerneldocs. http://sr71.net/~dave/linux/flexarray/ [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | pps.h needs <linux/types.h>Dave Jones2009-07-291-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Found with make headers_check /usr/include/linux/pps.h:52: found __[us]{8,16,32,64} type without #include <linux/types.h> Signed-off-by: Dave Jones <davej@redhat.com> Cc: Rodolfo Giometti <giometti@linux.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | cgroup avoid permanent sleep at rmdirKAMEZAWA Hiroyuki2009-07-291-0/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | After commit ec64f51545fffbc4cb968f0cea56341a4b07e85a ("cgroup: fix frequent -EBUSY at rmdir"), cgroup's rmdir (especially against memcg) doesn't return -EBUSY by temporary ref counts. That commit expects all refs after pre_destroy() is temporary but...it wasn't. Then, rmdir can wait permanently. This patch tries to fix that and change followings. - set CGRP_WAIT_ON_RMDIR flag before pre_destroy(). - clear CGRP_WAIT_ON_RMDIR flag when the subsys finds racy case. if there are sleeping ones, wakes them up. - rmdir() sleeps only when CGRP_WAIT_ON_RMDIR flag is set. Tested-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> Reported-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> Reviewed-by: Paul Menage <menage@google.com> Acked-by: Balbir Sigh <balbir@linux.vnet.ibm.com> Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | cgroups: fix pid namespace bugLi Zefan2009-07-291-7/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The bug was introduced by commit cc31edceee04a7b87f2be48f9489ebb72d264844 ("cgroups: convert tasks file to use a seq_file with shared pid array"). We cache a pid array for all threads that are opening the same "tasks" file, but the pids in the array are always from the namespace of the last process that opened the file, so all other threads will read pids from that namespace instead of their own namespaces. To fix it, we maintain a list of pid arrays, which is keyed by pid_ns. The list will be of length 1 at most time. Reported-by: Paul Menage <menage@google.com> Idea-by: Paul Menage <menage@google.com> Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Reviewed-by: Serge Hallyn <serue@us.ibm.com> Cc: Balbir Singh <balbir@in.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | Merge branch 'upstream-linus' of ↵Linus Torvalds2009-07-291-0/+1
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: accept late unlocking of HPA libata: Updates and fixes for pata_at91 driver ata_piix: Add new short cable ID ata_piix: Add new laptop short cable IDs ahci: add device IDs for Ibex Peak ahci controllers libata: remove superfluous NULL pointer checks libata: add missing NULL pointer check to ata_eh_reset() pata_pcmcia: add CNF-CDROM-ID
| * | | libata: accept late unlocking of HPATejun Heo2009-07-281-0/+1
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On certain configurations, HPA isn't or can't be unlocked during probing but it somehow ends up unlocked afterwards. In the following thread, the problem can be reliably reproduced after resuming from STR. The BIOS turns on HPA during boot but forgets to do it during resume. http://thread.gmane.org/gmane.linux.kernel/858310 This patch updates libata revalidation such that it considers native n_sectors. If the device size has increased to match native n_sectors, it's assumed that HPA has been unlocked involuntarily and the device is recognized as the same one. This should be fairly safe while nicely working around the problem. Signed-off-by: Tejun Heo <tj@kernel.org> Reported-by: Christof Warlich <christof@warlich.name> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* | | pty: avoid forcing 'low_latency' tty flagOGAWA Hirofumi2009-07-291-0/+1
|/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We really don't want to mark the pty as a low-latency device, because as Alan points out, the ->write method can be called from an IRQ (ppp?), and that means we can't use ->low_latency=1 as we take mutexes in the low_latency case. So rather than using low_latency to force the written data to be pushed to the ldisc handling at 'write()' time, just make the reader side (or the poll function) do the flush when it checks whether there is data to be had. This also fixes the problem with lost data in an emacs compile buffer (bugzilla 13815), and we can thus revert the low_latency pty hack (commit 3a54297478e6578f96fd54bf4daa1751130aca86: "pty: quickfix for the pty ENXIO timing problems"). Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Tested-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> [ Modified to do the tty_flush_to_ldisc() inside input_available_p() so that it triggers for both read and poll() - Linus] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge branch 'for-linus' of git://git.infradead.org/users/eparis/notifyLinus Torvalds2009-07-271-1/+1
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of git://git.infradead.org/users/eparis/notify: inotify: use GFP_NOFS under potential memory pressure fsnotify: fix inotify tail drop check with path entries inotify: check filename before dropping repeat events fsnotify: use def_bool in kconfig instead of letting the user choose inotify: fix error paths in inotify_update_watch inotify: do not leak inode marks in inotify_add_watch inotify: drop user watch count when a watch is removed
| * | inotify: use GFP_NOFS under potential memory pressureEric Paris2009-07-211-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | inotify can have a watchs removed under filesystem reclaim. ================================= [ INFO: inconsistent lock state ] 2.6.31-rc2 #16 --------------------------------- inconsistent {IN-RECLAIM_FS-W} -> {RECLAIM_FS-ON-W} usage. khubd/217 [HC0[0]:SC0[0]:HE1:SE1] takes: (iprune_mutex){+.+.?.}, at: [<c10ba899>] invalidate_inodes+0x20/0xe3 {IN-RECLAIM_FS-W} state was registered at: [<c10536ab>] __lock_acquire+0x2c9/0xac4 [<c1053f45>] lock_acquire+0x9f/0xc2 [<c1308872>] __mutex_lock_common+0x2d/0x323 [<c1308c00>] mutex_lock_nested+0x2e/0x36 [<c10ba6ff>] shrink_icache_memory+0x38/0x1b2 [<c108bfb6>] shrink_slab+0xe2/0x13c [<c108c3e1>] kswapd+0x3d1/0x55d [<c10449b5>] kthread+0x66/0x6b [<c1003fdf>] kernel_thread_helper+0x7/0x10 [<ffffffff>] 0xffffffff Two things are needed to fix this. First we need a method to tell fsnotify_create_event() to use GFP_NOFS and second we need to stop using one global IN_IGNORED event and allocate them one at a time. This solves current issues with multiple IN_IGNORED on a queue having tail drop problems and simplifies the allocations since we don't have to worry about two tasks opperating on the IGNORED event concurrently. Signed-off-by: Eric Paris <eparis@redhat.com>
* | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2009-07-272-1/+4
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (45 commits) cnic: Fix ISCSI_KEVENT_IF_DOWN message handling. net: irda: init spinlock after memcpy ixgbe: fix for 82599 errata marking UDP checksum errors r8169: WakeOnLan fix for the 8168 netxen: reset ring consumer during cleanup net/bridge: use kobject_put to release kobject in br_add_if error path smc91x.h: add config for Nomadik evaluation kit NET: ROSE: Don't use static buffer. eepro: Read buffer overflow tokenring: Read buffer overflow at1700: Read buffer overflow fealnx: Write outside array bounds ixgbe: remove unnecessary call to device_init_wakeup ixgbe: Don't priority tag control frames in DCB mode ixgbe: Enable FCoE offload when DCB is enabled for 82599 net: Rework mdio-ofgpio driver to use of_mdio infrastructure register at91_ether using platform_driver_probe skge: Enable WoL by default if supported net: KS8851 needs to depend on MII be2net: Bug fix in the non-lro path. Size of received packet was not updated in statistics properly. ...
| * \ \ Merge branch 'master' of ↵David S. Miller2009-07-221-1/+1
| |\ \ \ | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
| | * | | rfkill: remove too-strict __must_checkAlan Jenkins2009-07-211-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some drivers don't need the return value of rfkill_set_hw_state(), so it should not be marked as __must_check. Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | | | of/mdio: Add support function for Ethernet fixed-link propertyAnton Vorontsov2009-07-221-0/+3
| |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixed-link support is broken for the ucc_eth, gianfar, and fs_enet device drivers. The "OF MDIO rework" patches removed most of the support. Instead of re-adding fixed-link stuff to the drivers, this patch adds a support function for parsing the fixed-link property and obtaining a dummy phy to match. Note: the dummy phy handling in arch/powerpc is a bit of a hack and needs to be reworked. This function is being added now to solve the regression in the Ethernet drivers, but it should be considered a temporary measure until the fixed link handling can be reworked. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | Merge branch 'for_linus' of ↵Linus Torvalds2009-07-271-0/+1
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (34 commits) V4L/DVB (12303): cx23885: check pointers before dereferencing in dprintk macro V4L/DVB (12302): cx23885-417: fix broken IOCTL handling V4L/DVB (12300): bttv: fix regression: tvaudio must be loaded before tuner V4L/DVB (12291): b2c2: fix frontends compiled into kernel V4L/DVB (12286): sn9c20x: reorder includes to be like other drivers V4L/DVB (12284): gspca - jpeg subdrivers: Check the result of kmalloc(jpeg header). V4L/DVB (12283): gspca - sn9c20x: New subdriver for sn9c201 and sn9c202 bridges. V4L/DVB (12282): gspca - main: Support for vidioc_g_chip_ident and vidioc_g/s_register. V4L/DVB (12269): af9013: auto-detect parameters in case of garbage given by app V4L/DVB (12267): gspca - sonixj: Bad sensor init of non ov76xx sensors. V4L/DVB (12265): em28xx: fix tuning problem in HVR-900 (R1) V4L/DVB (12263): em28xx: set demod profile for Pinnacle Hybrid Pro 320e V4L/DVB (12262): em28xx: Make sure the tuner is initialized if generic empia USB id was used V4L/DVB (12261): em28xx: set GPIO properly for Pinnacle Hybrid Pro analog support V4L/DVB (12260): em28xx: make support work for the Pinnacle Hybrid Pro (eb1a:2881) V4L/DVB (12258): em28xx: fix typo in mt352 init sequence for Terratec Cinergy T XS USB V4L/DVB (12257): em28xx: make tuning work for Terratec Cinergy T XS USB (mt352 variant) V4L/DVB (12245): em28xx: add support for mt9m001 webcams V4L/DVB (12244): em28xx: adjust vinmode/vinctl based on the stream input format V4L/DVB (12243): em28xx: allow specifying sensor xtal frequency ...
| * | | | V4L/DVB (12283): gspca - sn9c20x: New subdriver for sn9c201 and sn9c202 bridges.Brian Johnson2009-07-241-0/+1
| | |_|/ | |/| | | | | | | | | | | | | | | | | | Signed-off-by: Brian Johnson <brijohn@gmail.com> Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* | | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dmLinus Torvalds2009-07-271-2/+2
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm: dm table: pass correct dev area size to device_area_is_valid dm: remove queue next_ordered workaround for barriers dm raid1: wake kmirrord when requeueing delayed bios after remote recovery
| * | | | dm table: pass correct dev area size to device_area_is_validMike Snitzer2009-07-231-2/+2
| |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Incorrect device area lengths are being passed to device_area_is_valid(). The regression appeared in 2.6.31-rc1 through commit 754c5fc7ebb417b23601a6222a6005cc2e7f2913. With the dm-stripe target, the size of the target (ti->len) was used instead of the stripe_width (ti->len/#stripes). An example of a consequent incorrect error message is: device-mapper: table: 254:0: sdb too small for target Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
* | | | Merge branch 'for_linus' of ↵Linus Torvalds2009-07-271-1/+1
|\ \ \ \ | |/ / / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6: jbd: fix race between write_metadata_buffer and get_write_access ext3: Get rid of extenddisksize parameter of ext3_get_blocks_handle() jbd: Fix a race between checkpointing code and journal_get_write_access() ext3: Fix truncation of symlinks after failed write jbd: Fail to load a journal if it is too short
| * | | ext3: Get rid of extenddisksize parameter of ext3_get_blocks_handle()Jan Kara2009-07-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Get rid of extenddisksize parameter of ext3_get_blocks_handle(). This seems to be a relict from some old days and setting disksize in this function does not make much sence. Currently it was set only by ext3_getblk(). Since the parameter has some effect only if create == 1, it is easy to check that the three callers which end up calling ext3_getblk() with create == 1 (ext3_append, ext3_quota_write, ext3_mkdir) do the right thing and set disksize themselves. Signed-off-by: Jan Kara <jack@suse.cz>
* | | | Merge branch 'perf-counters-for-linus' of ↵Linus Torvalds2009-07-221-11/+4
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/peterz/linux-2.6-perf * 'perf-counters-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/peterz/linux-2.6-perf: (31 commits) perf_counter tools: Give perf top inherit option perf_counter tools: Fix vmlinux symbol generation breakage perf_counter: Detect debugfs location perf_counter: Add tracepoint support to perf list, perf stat perf symbol: C++ demangling perf: avoid structure size confusion by using a fixed size perf_counter: Fix throttle/unthrottle event logging perf_counter: Improve perf stat and perf record option parsing perf_counter: PERF_SAMPLE_ID and inherited counters perf_counter: Plug more stack leaks perf: Fix stack data leak perf_counter: Remove unused variables perf_counter: Make call graph option consistent perf_counter: Add perf record option to log addresses perf_counter: Log vfork as a fork event perf_counter: Synthesize VDSO mmap event perf_counter: Make sure we dont leak kernel memory to userspace perf_counter tools: Fix index boundary check perf_counter: Fix the tracepoint channel to perfcounters perf_counter, x86: Extend perf_counter Pentium M support ...
| * | | | perf_counter: PERF_SAMPLE_ID and inherited countersPeter Zijlstra2009-07-221-11/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Anton noted that for inherited counters the counter-id as provided by PERF_SAMPLE_ID isn't mappable to the id found through PERF_RECORD_ID because each inherited counter gets its own id. His suggestion was to always return the parent counter id, since that is the primary counter id as exposed. However, these inherited counters have a unique identifier so that events like PERF_EVENT_PERIOD and PERF_EVENT_THROTTLE can be specific about which counter gets modified, which is important when trying to normalize the sample streams. This patch removes PERF_EVENT_PERIOD in favour of PERF_SAMPLE_PERIOD, which is more useful anyway, since changing periods became a lot more common than initially thought -- rendering PERF_EVENT_PERIOD the less useful solution (also, PERF_SAMPLE_PERIOD reports the more accurate value, since it reports the value used to trigger the overflow, whereas PERF_EVENT_PERIOD simply reports the requested period changed, which might only take effect on the next cycle). This still leaves us PERF_EVENT_THROTTLE to consider, but since that _should_ be a rare occurrence, and linking it to a primary id is the most useful bit to diagnose the problem, we introduce a PERF_SAMPLE_STREAM_ID, for those few cases where the full reconstruction is important. [Does change the ABI a little, but I see no other way out] Suggested-by: Anton Blanchard <anton@samba.org> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <1248095846.15751.8781.camel@twins>
* | | | | Merge branch 'core-fixes-for-linus-2' of ↵Linus Torvalds2009-07-221-0/+26
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'core-fixes-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: softirq: introduce tasklet_hrtimer infrastructure
| * | | | | softirq: introduce tasklet_hrtimer infrastructurePeter Zijlstra2009-07-221-0/+26
| | |_|_|/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit ca109491f (hrtimer: removing all ur callback modes) moved all hrtimer callbacks into hard interrupt context when high resolution timers are active. That breaks code which relied on the assumption that the callback happens in softirq context. Provide a generic infrastructure which combines tasklets and hrtimers together to provide an in-softirq hrtimer experience. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: torvalds@linux-foundation.org Cc: kaber@trash.net Cc: David Miller <davem@davemloft.net> LKML-Reference: <1248265724.27058.1366.camel@twins> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | | | | Merge branch 'irq-fixes-for-linus' of ↵Linus Torvalds2009-07-221-0/+2
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'irq-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: genirq: Delegate irq affinity setting to the irq thread
| * | | | | genirq: Delegate irq affinity setting to the irq threadThomas Gleixner2009-07-211-0/+2
| |/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | irq_set_thread_affinity() calls set_cpus_allowed_ptr() which might sleep, but irq_set_thread_affinity() is called with desc->lock held and can be called from hard interrupt context as well. The code has another bug as it does not hold a ref on the task struct as required by set_cpus_allowed_ptr(). Just set the IRQTF_AFFINITY bit in action->thread_flags. The next time the thread runs it migrates itself. Solves all of the above problems nicely. Add kerneldoc to irq_set_thread_affinity() while at it. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> LKML-Reference: <new-submission>
* | | | | sched: fix nr_uninterruptible accounting of frozen tasks reallyThomas Gleixner2009-07-181-1/+2
|/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit e3c8ca8336 (sched: do not count frozen tasks toward load) broke the nr_uninterruptible accounting on freeze/thaw. On freeze the task is excluded from accounting with a check for (task->flags & PF_FROZEN), but that flag is cleared before the task is thawed. So while we prevent that the task with state TASK_UNINTERRUPTIBLE is accounted to nr_uninterruptible on freeze we decrement nr_uninterruptible on thaw. Use a separate flag which is handled by the freezing task itself. Set it before calling the scheduler with TASK_UNINTERRUPTIBLE state and clear it after we return from frozen state. Cc: <stable@kernel.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | | | virtio_net: Sync header with qemuAlex Williamson2009-07-171-4/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Qemu added support for a few extra RX modes that Linux doesn't currently make use of. Sync the headers to maintain consistency. Signed-off-by: Alex Williamson <alex.williamson@hp.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* | | | lguest: fix journeyMatias Zabaljauregui2009-07-171-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | fix: "make Guest" was complaining about duplicated G:032 Signed-off-by: Matias Zabaljauregui <zabaljauregui@gmail.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* | | | Merge branch 'timers-fixes-for-linus' of ↵Linus Torvalds2009-07-161-1/+1
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: timer stats: fix quick check optimization
| * | | | timer stats: fix quick check optimizationHeiko Carstens2009-07-101-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git commit 507e1231 "timer stats: Optimize by adding quick check to avoid function calls" added one wrong check so that one unnecessary function call isn't elimated. time_stats_account_hrtimer() checks if timer->start_pid isn't initialized in order to find out if timer_stats_update_stats() should be called. However start_pid is initialized with -1 instead of 0, so that the function call always happens. Check timer->start_site like in timer_stats_account_timer() to fix this. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | | | | vt: drop bootmem/slab memory distinctionJohannes Weiner2009-07-161-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Bootmem is not used for the vt screen buffer anymore as slab is now available at the time the console is initialized. Get rid of the now superfluous distinction between slab and bootmem, it's always slab. This also fixes a kmalloc leak which Catalin described thusly: Commit a5f4f52e ("vt: use kzalloc() instead of the bootmem allocator") replaced the alloc_bootmem() with kzalloc() but didn't set vc_kmalloced to 1 and the memory block is later leaked. The corresponding kmemleak trace: unreferenced object 0xdf828000 (size 8192): comm "swapper", pid 0, jiffies 4294937296 backtrace: [<c006d473>] __save_stack_trace+0x17/0x1c [<c000d869>] log_early+0x55/0x84 [<c01cfa4b>] kmemleak_alloc+0x33/0x3c [<c006c013>] __kmalloc+0xd7/0xe4 [<c00108c7>] con_init+0xbf/0x1b8 [<c0010149>] console_init+0x11/0x20 [<c0008797>] start_kernel+0x137/0x1e4 Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi> Tested-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | | Merge branch 'upstream-linus' of ↵Linus Torvalds2009-07-151-0/+1
|\ \ \ \ \ | |_|_|/ / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: ahci: add device ID for 82801JI sata controller drivers/ata: Move a dereference below a NULL test libata: implement and use HORKAGE_NOSETXFER, take#2 libata: fix follow-up SRST failure path
| * | | | libata: implement and use HORKAGE_NOSETXFER, take#2Tejun Heo2009-07-141-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | PIONEER DVD-RW DVRTD08 times out SETXFER if no media is present. The device is SATA and simply skipping SETXFER works around the problem. Implement ATA_HORKAGE_NOSETXFER and apply it to the device. Reported by Moritz Rigler in the following thread. http://thread.gmane.org/gmane.linux.ide/36790 and by Lars in bko#9540. Updated to whine and ignore NOSETXFER if PATA component is detected as suggested by Alan Cox. Signed-off-by: Tejun Heo <tj@kernel.org> Reported-by: Moritz Rigler <linux-ide@momail.e4ward.com> Reported-by: Lars <lars21ce@gmx.de> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* | | | | Merge branch 'timers-fixes-for-linus' of ↵Linus Torvalds2009-07-141-9/+0
|\ \ \ \ \ | | |/ / / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: hrtimer: Fix migration expiry check hrtimer: migration: do not check expiry time on current CPU
| * | | | hrtimer: Fix migration expiry checkThomas Gleixner2009-07-101-9/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The timer migration expiry check should prevent the migration of a timer to another CPU when the timer expires before the next event is scheduled on the other CPU. Migrating the timer might delay it because we can not reprogram the clock event device on the other CPU. But the code implementing that check has two flaws: - for !HIGHRES the check compares the expiry value with the clock events device expiry value which is wrong for CLOCK_REALTIME based timers. - the check is racy. It holds the hrtimer base lock of the target CPU, but the clock event device expiry value can be modified nevertheless, e.g. by an timer interrupt firing. The !HIGHRES case is easy to fix as we can enqueue the timer on the cpu which was selected by the load balancer. It runs the idle balancing code once per jiffy anyway. So the maximum delay for the timer is the same as when we keep the tick on the current cpu going. In the HIGHRES case we can get the next expiry value from the hrtimer cpu_base of the target CPU and serialize the update with the cpu_base lock. This moves the lock section in hrtimer_interrupt() so we can set next_event to KTIME_MAX while we are handling the expired timers and set it to the next expiry value after we handled the timers under the base lock. While the expired timers are processed timer migration is blocked because the expiry time of the timer is always <= KTIME_MAX. Also remove the now useless clockevents_get_next_event() function. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | | | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2009-07-141-2/+2
|\ \ \ \ \ | |_|/ / / |/| | | / | | |_|/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: Revert "NET: Fix locking issues in PPP, 6pack, mkiss and strip line disciplines." skbuff.h: Fix comment for NET_IP_ALIGN drivers/net: using spin_lock_irqsave() in net_send_packet() NET: phy_device, fix lock imbalance gre: fix ToS/DiffServ inherit bug igb: gcc-3.4.6 fix atlx: duplicate testing of MCAST flag NET: Fix locking issues in PPP, 6pack, mkiss and strip line disciplines. netdev: restore MTU change operation netdev: restore MAC address set and validate operations sit: fix regression: do not release skb->dst before xmit net: ip_push_pending_frames() fix net: sk_prot_alloc() should not blindly overwrite memory
| * | | skbuff.h: Fix comment for NET_IP_ALIGNTobias Klauser2009-07-141-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use the correct function call for skb_reserve in the comment for NET_IP_ALIGN. Signed-off-by: Tobias Klauser <klto@zhaw.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6Linus Torvalds2009-07-131-2/+0
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6: wm97xx_batery: replace driver_data with dev_get_drvdata() omap: video: remove direct access of driver_data Sound: remove direct access of driver_data driver model: fix show/store prototypes in doc. Firmware: firmware_class, fix lock imbalance Driver Core: remove BUS_ID_SIZE sparc: remove driver-core BUS_ID_SIZE partitions: fix broken uevent_suppress conversion devres: WARN() and return, don't crash on device_del() of uninitialized device
| * | | | Driver Core: remove BUS_ID_SIZEKay Sievers2009-07-121-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The name size limit is gone from the driver-core, this is the removal of the last left-over. Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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