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2009-10-29loop: fix NULL dereference if mount failsAlexey Dobriyan
Commit bb21488482bd36eae6b30b014d93619063773fd4 ("[PATCH] switch loop") started to pass NULL bdev to ioctl hook. Steps to reproduce: [boot with loop.max_part=1] [mount -o loop something so mount fails] BUG: unable to handle kernel NULL pointer dereference at 00000000000000b8 IP: [<ffffffff811486ee>] blkdev_ioctl+0x2e/0xa30 PGD 0 Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC last sysfs file: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:35/ACPI0003:00/power_supply/ACAD/online CPU 0 Modules linked in: zfs nvidia(P) [last unloaded: zfs] Pid: 15177, comm: mount Tainted: P 2.6.32-rc4-zfs #2 Satellite X200 RIP: 0010:[<ffffffff811486ee>] [<ffffffff811486ee>] blkdev_ioctl+0x2e/0xa30 RSP: 0018:ffff88003b3d5bb8 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 000000000000125f RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff88003b3d5ce8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 00007ffffffff000 R13: 0000000000000000 R14: ffff880071cef280 R15: 00000000000200da FS: 00007fd77cfe7740(0000) GS:ffff880001600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 00000000000000b8 CR3: 0000000001001000 CR4: 00000000000026f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process mount (pid: 15177, threadinfo ffff88003b3d4000, task ffff88007572f920) Stack: ffff88003b3d5c38 ffffffff812f95f5 ffff88007eeb6600 0000000000000000 <0> 0000000000000000 ffff88003b3d5c18 ffffffff811547d9 ffff88001bf11ef0 <0> 7fffffffffffffff ffff88001bf11ee8 ffff88001bf11ef0 0000000000000000 Call Trace: [<ffffffff812f95f5>] ? schedule_timeout+0x1f5/0x250 [<ffffffff811547d9>] ? rb_insert_color+0x109/0x140 [<ffffffff812fb754>] ? _spin_unlock_irq+0x14/0x40 [<ffffffff812f84c6>] ? wait_for_common+0x66/0x170 [<ffffffff8105a280>] ? default_wake_function+0x0/0x10 [<ffffffff810f8258>] ioctl_by_bdev+0x38/0x50 [<ffffffff811d2481>] loop_clr_fd+0x1e1/0x210 [<ffffffff811d2522>] lo_release+0x72/0x80 [<ffffffff810f934c>] __blkdev_put+0x1ac/0x1d0 [<ffffffff810f937b>] blkdev_put+0xb/0x10 [<ffffffff810f93b9>] blkdev_close+0x39/0x60 [<ffffffff810ccef3>] __fput+0xd3/0x230 [<ffffffff810cd06d>] fput+0x1d/0x30 [<ffffffff810c9680>] filp_close+0x50/0x80 [<ffffffff81061f11>] put_files_struct+0x81/0x100 [<ffffffff81061fde>] exit_files+0x4e/0x60 [<ffffffff81063ec5>] do_exit+0x6b5/0x730 [<ffffffff8107b279>] ? up_read+0x9/0x10 [<ffffffff8104c86e>] ? do_page_fault+0x18e/0x2a0 [<ffffffff81063f81>] do_group_exit+0x41/0xc0 [<ffffffff81064012>] sys_exit_group+0x12/0x20 [<ffffffff81030deb>] system_call_fastpath+0x16/0x1b Code: f8 48 89 e5 48 81 ec 30 01 00 00 48 89 5d d8 4c 89 6d e8 4c 89 65 e0 4c 89 75 f0 4c 89 7d f8 48 89 bd e8 fe ff ff 49 89 cd 89 f3 <49> 8b 88 b8 00 00 00 81 fa 68 12 00 00 0f 84 57 05 00 00 0f 86 RIP [<ffffffff811486ee>] blkdev_ioctl+0x2e/0xa30 RSP <ffff88003b3d5bb8> CR2: 00000000000000b8 ---[ end trace c0b4d3c3118d1427 ]--- Fixing recursive fault but reboot is needed! Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Jens Axboe <jens.axboe@oracle.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-29omap_hsmmc: add missing probe handler hookRoger Quadros
The missing probe handler hook will never probe the driver. Add it back. Fixes broken MMC on OMAP. We use platform_driver_probe() API since omap_hsmmc is not a hot-pluggable device. Signed-off-by: Roger Quadros <ext-roger.quadros@nokia.com> Tested-by: Felipe Contreras <felipe.contreras@gmail.com> Tested-by: Tony Lindgren <tony@atomide.com> Cc: Jiri Kosina <jkosina@suse.cz> Cc: Felipe Contreras <felipe.contreras@gmail.com> Cc: Denis Karpov <ext-denis.2.karpov@nokia.com> Cc: Madhusudhan Chikkature <madhu.cr@ti.com> Cc: Greg KH <gregkh@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-23Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linusLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: move virtrng_remove to .devexit.text move virtballoon_remove to .devexit.text virtio_blk: Revert serial number support virtio: let header files include virtio_ids.h virtio_blk: revert QUEUE_FLAG_VIRT addition
2009-10-23Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (21 commits) niu: VLAN_ETH_HLEN should be used to make sure that the whole MAC header was copied to the head buffer in the Vlan packets case KS8851: Fix ks8851_set_rx_mode() for IFF_MULTICAST KS8851: Fix MAC address write order KS8851: Add soft reset at probe time net: fix section mismatch in fec.c net: Fix struct inet_timewait_sock bitfield annotation tcp: Try to catch MSG_PEEK bug net: Fix IP_MULTICAST_IF bluetooth: static lock key fix bluetooth: scheduling while atomic bug fix tcp: fix TCP_DEFER_ACCEPT retrans calculation tcp: reduce SYN-ACK retrans for TCP_DEFER_ACCEPT tcp: accept socket after TCP_DEFER_ACCEPT period Revert "tcp: fix tcp_defer_accept to consider the timeout" AF_UNIX: Fix deadlock on connecting to shutdown socket ethoc: clear only pending irqs ethoc: inline regs access vmxnet3: use dev_dbg, fix build for CONFIG_BLOCK=n virtio_net: use dev_kfree_skb_any() in free_old_xmit_skbs() be2net: fix support for PCI hot plug ...
2009-10-22move virtrng_remove to .devexit.textUwe Kleine-König
The function virtrng_remove is used only wrapped by __devexit_p so define it using __devexit. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Sam Ravnborg <sam@ravnborg.org> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Michael S. Tsirkin <mst@redhat.com> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Cc: linux-kernel@vger.kernel.org Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2009-10-22move virtballoon_remove to .devexit.textUwe Kleine-König
The function virtballoon_remove is used only wrapped by __devexit_p so define it using __devexit. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2009-10-22virtio_blk: Revert serial number supportRusty Russell
This reverts "Add serial number support for virtio_blk, V4a". Turns out that virtio_pci, lguest and s/390 all have an 8 bit limit on virtio config space, so noone could ever use this. This is coming back later in a cleaner form. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: john cooper <john.cooper@redhat.com> Cc: Jens Axboe <jens.axboe@oracle.com>
2009-10-22virtio: let header files include virtio_ids.hChristian Borntraeger
Rusty, commit 3ca4f5ca73057a617f9444a91022d7127041970a virtio: add virtio IDs file moved all device IDs into a single file. While the change itself is a very good one, it can break userspace applications. For example if a userspace tool wanted to get the ID of virtio_net it used to include virtio_net.h. This does no longer work, since virtio_net.h does not include virtio_ids.h. This patch moves all "#include <linux/virtio_ids.h>" from the C files into the header files, making the header files compatible with the old ones. In addition, this patch exports virtio_ids.h to userspace. CC: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2009-10-22virtio_blk: revert QUEUE_FLAG_VIRT additionChristoph Hellwig
It seems like the addition of QUEUE_FLAG_VIRT caueses major performance regressions for Fedora users: https://bugzilla.redhat.com/show_bug.cgi?id=509383 https://bugzilla.redhat.com/show_bug.cgi?id=505695 while I can't reproduce those extreme regressions myself I think the flag is wrong. Rationale: QUEUE_FLAG_VIRT expands to QUEUE_FLAG_NONROT which casus the queue unplugged immediately. This is not a good behaviour for at least qemu and kvm where we do have significant overhead for every I/O operations. Even with all the latested speeups (native AIO, MSI support, zero copy) we can only get native speed for up to 128kb I/O requests we already are down to 66% of native performance for 4kb requests even on my laptop running the Intel X25-M SSD for which the QUEUE_FLAG_NONROT was designed. If we ever get virtio-blk overhead low enough that this flag makes sense it should only be set based on a feature flag set by the host. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2009-10-21niu: VLAN_ETH_HLEN should be used to make sure that the whole MAC header was ↵Joyce Yu
copied to the head buffer in the Vlan packets case Signed-off-by: Joyce Yu <joyce.yu@sun.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-22Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: hp_sdc_rtc - fix test in hp_sdc_rtc_read_rt() Input: atkbd - consolidate force release quirks for volume keys Input: logips2pp - model 73 is actually TrackMan FX Input: i8042 - add Sony Vaio VGN-FZ240E to the nomux list Input: fix locking issue in /proc/bus/input/ handlers Input: atkbd - postpone restoring LED/repeat rate at resume Input: atkbd - restore resetting LED state at startup Input: i8042 - make pnp_data_busted variable boolean instead of int Input: synaptics - add another Protege M300 to rate blacklist
2009-10-22Merge git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dmLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm: dm snapshot: allow chunk size to be less than page size dm snapshot: use unsigned integer chunk size dm snapshot: lock snapshot while supplying status dm exception store: fix failed set_chunk_size error path dm snapshot: require non zero chunk size by end of ctr dm: dec_pending needs locking to save error value dm: add missing del_gendisk to alloc_dev error path dm log: userspace fix incorrect luid cast in userspace_ctr dm snapshot: free exception store on init failure dm snapshot: sort by chunk size to fix race
2009-10-22mmc: at91_mci: Don't include asm/mach/mmc.hUwe Kleine-König
This fixes a compile bug introduced in 6ef297f (ARM: 5720/1: Move MMCI header to amba include dir) That commit moved arch/arm/include/asm/mach/mmc.h to include/linux/amba/mmci.h. Just removing the include was enough. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Linus Walleij <linus.walleij@stericsson.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Bill Gatliff <bgat@billgatliff.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Russell King <rmk+kernel@arm.linux.org.uk> Cc: Pierre Ossman <drzeus@drzeus.cx> Cc: linux-arm-kernel@lists.infradead.org Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-22Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: aesni-intel - Fix irq_fpu_usable usage crypto: padlock-sha - Fix stack alignment
2009-10-20KS8851: Fix ks8851_set_rx_mode() for IFF_MULTICASTBen Dooks
In ks8851_set_rx_mode() the case handling IFF_MULTICAST was also setting the RXCR1_AE bit by accident. This meant that all unicast frames where being accepted by the device. Remove RXCR1_AE from this case. Note, RXCR1_AE was also masking a problem with setting the MAC address properly, so needs to be applied after fixing the MAC write order. Fixes a bug reported by Doong, Ping of Micrel. This version of the patch avoids setting RXCR1_ME for all cases. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-20KS8851: Fix MAC address write orderBen Dooks
The MAC address register was being written in the wrong order, so add a new address macro to convert mac-address byte to register address and a ks8851_wrreg8() function to write each byte without having to worry about any difficult byte swapping. Fixes a bug reported by Doong, Ping of Micrel. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-20KS8851: Add soft reset at probe timeBen Dooks
Issue a full soft reset at probe time. This was reported by Doong Ping of Micrel, but no explanation of why this is necessary or what bug it is fixing. Add it as it does not seem to hurt the current driver and ensures that the device is in a known state when we start setting it up. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-20net: fix section mismatch in fec.cSteven King
fec_enet_init is called by both fec_probe and fec_resume, so it shouldn't be marked as __init. Signed-off-by: Steven King <sfking@fdwdc.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-18ethoc: clear only pending irqsThomas Chou
This patch fixed the problem of dropped packets due to lost of interrupt requests. We should only clear what was pending at the moment we read the irq source reg. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-18ethoc: inline regs accessThomas Chou
Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-18Input: hp_sdc_rtc - fix test in hp_sdc_rtc_read_rt()Roel Kluin
If left unsigned the hp_sdc_rtc_read_i8042timer() return value will not be checked correctly. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2009-10-18Input: atkbd - consolidate force release quirks for volume keysHerton Ronaldo Krzesinski
Some machines share same key list for volume up/down release key quirks, use only one key list. Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2009-10-18Input: logips2pp - model 73 is actually TrackMan FXDmitry Torokhov
Reported-and-tested-by: Harald Dunkel <harald.dunkel@t-online.de> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2009-10-18Input: i8042 - add Sony Vaio VGN-FZ240E to the nomux listDmitry Torokhov
On this model, when KBD is in active multiplexing mode, acknowledgements to reset and get ID commands issued on KBD port sometimes are delivered to AUX3 port (touchpad) which messes up device detection. Legacy KBC mode works fine and since there are no external PS/2 ports on this laptop and no support for docking station we can safely disable active MUX mode. Tested-by: Carlos R. Mafra <crmafra2@gmail.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2009-10-16vmxnet3: use dev_dbg, fix build for CONFIG_BLOCK=nRandy Dunlap
vmxnet3 was using dprintk() for debugging output. This was defined in <linux/dst.h> and was the only thing that was used from that header file. This caused compile errors when CONFIG_BLOCK was not enabled due to bio* and BIO* uses in the header file, so change this driver to use dev_dbg() for debugging output. include/linux/dst.h:520: error: dereferencing pointer to incomplete type include/linux/dst.h:520: error: 'BIO_POOL_BITS' undeclared (first use in this function) include/linux/dst.h:521: error: dereferencing pointer to incomplete type include/linux/dst.h:522: error: dereferencing pointer to incomplete type include/linux/dst.h:525: error: dereferencing pointer to incomplete type make[4]: *** [drivers/net/vmxnet3/vmxnet3_drv.o] Error 1 Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Bhavesh Davda <bhavesh@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-16dm snapshot: allow chunk size to be less than page sizeMikulas Patocka
Allow the snapshot chunk size to be smaller than the page size The code is now capable of handling this due to some previous fixes and enhancements. As the page size varies between computers, prior to this patch, the chunk size of a snapshot dictated which machines could read it: Snapshots created on one machine might not be readable on another. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Reviewed-by: Mike Snitzer <snitzer@redhat.com> Reviewed-by: Jonathan Brassow <jbrassow@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2009-10-16dm snapshot: use unsigned integer chunk sizeMikulas Patocka
Use unsigned integer chunk size. Maximum chunk size is 512kB, there won't ever be need to use 4GB chunk size, so the number can be 32-bit. This fixes compiler failure on 32-bit systems with large block devices. Cc: stable@kernel.org Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Reviewed-by: Jonathan Brassow <jbrassow@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2009-10-16dm snapshot: lock snapshot while supplying statusMikulas Patocka
This patch locks the snapshot when returning status. It fixes a race when it could return an invalid number of free chunks if someone was simultaneously modifying it. Cc: stable@kernel.org Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2009-10-16dm exception store: fix failed set_chunk_size error pathMikulas Patocka
Properly close the device if failing because of an invalid chunk size. Cc: stable@kernel.org Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2009-10-16dm snapshot: require non zero chunk size by end of ctrMikulas Patocka
If we are creating snapshot with memory-stored exception store, fail if the user didn't specify chunk size. Zero chunk size would probably crash a lot of places in the rest of snapshot code. Cc: stable@kernel.org Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Reviewed-by: Jonathan Brassow <jbrassow@redhat.com> Reviewed-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2009-10-16dm: dec_pending needs locking to save error valueKiyoshi Ueda
Multiple instances of dec_pending() can run concurrently so a lock is needed when it saves the first error code. I have never experienced actual problem without locking and just found this during code inspection while implementing the barrier support patch for request-based dm. This patch adds the locking. I've done compile, boot and basic I/O testings. Cc: stable@kernel.org Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com> Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2009-10-16dm: add missing del_gendisk to alloc_dev error pathZdenek Kabelac
Add missing del_gendisk() to error path when creation of workqueue fails. Otherwice there is a resource leak and following warning is shown: WARNING: at fs/sysfs/dir.c:487 sysfs_add_one+0xc5/0x160() sysfs: cannot create duplicate filename '/devices/virtual/block/dm-0' Cc: stable@kernel.org Signed-off-by: Zdenek Kabelac <zkabelac@redhat.com> Reviewed-by: Jonathan Brassow <jbrassow@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2009-10-16dm log: userspace fix incorrect luid cast in userspace_ctrAndrew Morton
mips: drivers/md/dm-log-userspace-base.c: In function `userspace_ctr': drivers/md/dm-log-userspace-base.c:159: warning: cast from pointer to integer of different size Cc: stable@kernel.org Cc: Jonathan Brassow <jbrassow@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2009-10-16dm snapshot: free exception store on init failureJonathan Brassow
While initializing the snapshot module, if we fail to register the snapshot target then we must back-out the exception store module initialization. Cc: stable@kernel.org Signed-off-by: Jonathan Brassow <jbrassow@redhat.com> Reviewed-by: Mikulas Patocka <mpatocka@redhat.com> Reviewed-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2009-10-16dm snapshot: sort by chunk size to fix raceMikulas Patocka
Avoid a race causing corruption when snapshots of the same origin have different chunk sizes by sorting the internal list of snapshots by chunk size, largest first. https://bugzilla.redhat.com/show_bug.cgi?id=182659 For example, let's have two snapshots with different chunk sizes. The first snapshot (1) has small chunk size and the second snapshot (2) has large chunk size. Let's have chunks A, B, C in these snapshots: snapshot1: ====A==== ====B==== snapshot2: ==========C========== (Chunk size is a power of 2. Chunks are aligned.) A write to the origin at a position within A and C comes along. It triggers reallocation of A, then reallocation of C and links them together using A as the 'primary' exception. Then another write to the origin comes along at a position within B and C. It creates pending exception for B. C already has a reallocation in progress and it already has a primary exception (A), so nothing is done to it: B and C are not linked. If the reallocation of B finishes before the reallocation of C, because there is no link with the pending exception for C it does not know to wait for it and, the second write is dispatched to the origin and causes data corruption in the chunk C in snapshot2. To avoid this situation, we maintain snapshots sorted in descending order of chunk size. This leads to a guaranteed ordering on the links between the pending exceptions and avoids the problem explained above - both A and B now get linked to C. Cc: stable@kernel.org Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2009-10-16Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bpLinus Torvalds
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp: amd64_edac: fix DRAM base and limit extraction masks, v2
2009-10-16amd64_edac: fix DRAM base and limit extraction masks, v2Borislav Petkov
This is a proper fix as a follow-up to 66216a7 and 916d11b. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2009-10-16Merge branch 'upstream-linus' of ↵Linus Torvalds
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: sata_mv: Prevent PIO commands to be defered too long if traffic in progress. pata_sc1200: Fix crash on boot libata: fix internal command failure handling libata: fix PMP initialization sata_nv: make sure link is brough up online when skipping hardreset ahci / atiixp / pci quirks: rename AMD SB900 into Hudson-2 ahci: Add the AHCI controller Linux Device ID for NVIDIA chipsets. pata_via: extend the rev_max for VT6330
2009-10-16sata_mv: Prevent PIO commands to be defered too long if traffic in progress.Gwendal Grignou
Use excl_link when non NCQ commands are defered, to be sure they are processed as soon as outstanding commands are completed. It prevents some commands to be defered indifinitely when using a port multiplier. Signed-off-by: Gwendal Grignou <gwendal@google.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-10-16pata_sc1200: Fix crash on bootAlan Cox
The SC1200 needs a NULL terminator or it may cause a crash on boot. Bug #14227 Also correct a bogus comment as the driver had serializing added so can run dual port. Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-10-16libata: fix internal command failure handlingTejun Heo
When an internal command fails, it should be failed directly without invoking EH. In the original implemetation, this was accomplished by letting internal command bypass failure handling in ata_qc_complete(). However, later changes added post-successful-completion handling to that code path and the success path is no longer adequate as internal command failure path. One of the visible problems is that internal command failure due to timeout or other freeze conditions would spuriously trigger WARN_ON_ONCE() in the success path. This patch updates failure path such that internal command failure handling is contained there. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: stable@kernel.org Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-10-16libata: fix PMP initializationTejun Heo
Commit 842faa6c1a1d6faddf3377948e5cf214812c6c90 fixed error handling during attach by not committing detected device class to dev->class while attaching a new device. However, this change missed the PMP class check in the configuration loop causing a new PMP device to go through ata_dev_configure() as if it were an ATA or ATAPI device. As PMP device doesn't have a regular IDENTIFY data, this makes ata_dev_configure() tries to configure a PMP device using an invalid data. For the most part, it wasn't too harmful and went unnoticed but this ends up clearing dev->flags which may have ATA_DFLAG_AN set by sata_pmp_attach(). This means that SATA_PMP_FEAT_NOTIFY ends up being disabled on PMPs and on PMPs which honor the flag breaks hotplug support. This problem was discovered and reported by Ethan Hsiao. Signed-off-by: Tejun Heo <tj@kernel.org> Reported-by: Ethan Hsiao <ethanhsiao@jmicron.com> Cc: stable@kernel.org Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-10-16sata_nv: make sure link is brough up online when skipping hardresetTejun Heo
prereset doesn't bring link online if hardreset is about to happen and nv_hardreset() may skip if conditions are not right so softreset may be entered with non-working link status if the system firmware didn't bring it up before entering OS code which can happen during resume. This patch makes nv_hardreset() to bring up the link if it's skipping reset. This bug was reported by frodone@gmail.com in the following bug entry. http://bugzilla.kernel.org/show_bug.cgi?id=14329 Signed-off-by: Tejun Heo <tj@kernel.org> Reported-by: frodone@gmail.com Cc: stable@kernel.org Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-10-16ahci / atiixp / pci quirks: rename AMD SB900 into Hudson-2Shane Huang
This patch renames the code name SB900 into Hudson-2 Signed-off-by: Shane Huang <shane.huang@amd.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-10-16ahci: Add the AHCI controller Linux Device ID for NVIDIA chipsets.peer chen
Add the generic device ID for NVIDIA AHCI controller. Signed-off-by: Peer Chen <peerchen@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-10-16pata_via: extend the rev_max for VT6330JosephChan@via.com.tw
Fix the VT6330 issue, it's because the rev_max of VT6330 exceeds 0x2f. The VT6415 and VT6330 share the same device ID. Signed-off-by: Joseph Chan <josephchan@via.com.tw> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-10-15Merge branch 'merge' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc/pci: Fix MODPOST warning powerpc/oprofile: Add ppc750 CL as supported by oprofile powerpc: warning: allocated section `.data_nosave' not in segment powerpc/kgdb: Fix build failure caused by "kgdb.c: unused variable 'acc'" powerpc: Fix hypervisor TLB batching powerpc/mm: Fix hang accessing top of vmalloc space powerpc: Fix memory leak in axon_msi.c powerpc/pmac: Fix issues with sleep on some powerbooks powerpc64/ftrace: use PACA to retrieve TOC in mod_return_to_handler powerpc/ftrace: show real return addresses in modules
2009-10-15Merge branch 'release' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: ACPI button: don't try to use a non-existent lid device ACPI: video: Loosen strictness of video bus detection code eeepc-laptop: Prevent a panic when disabling RT2860 wireless when associated eeepc-laptop: Properly annote eeepc_enable_camera(). ACPI / PCI: Fix NULL pointer dereference in acpi_get_pci_dev() (rev. 2) fujitsu-laptop: address missed led-class ifdef fixup ACPI: Kconfig, fix proc aggregator text ACPI: add AC/DC notifier
2009-10-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6: tty: fix vt_compat_ioctl
2009-10-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: USB: gadget: Fix EEM driver comments and VID/PID usb-storage: Workaround devices with bogus sense size USB: ehci: Fix IST boundary checking interval math. USB: option: Support for AIRPLUS MCD650 Datacard USB: whci-hcd: always do an update after processing a halted qTD USB: whci-hcd: handle early deletion of endpoints USB: wusb: don't use the stack to read security descriptor USB: rename Documentation/ABI/.../sysfs-class-usb_host
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