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2011-01-20cifs: remove code for setting timeouts on requestsJeff Layton
Since we don't time out individual requests anymore, remove the code that we used to use for setting timeouts on different requests. Reviewed-by: Pavel Shilovsky <piastryyy@gmail.com> Reviewed-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-01-20[CIFS] cifs: reconnect unresponsive serversSteve French
If the server isn't responding to echoes, we don't want to leave tasks hung waiting for it to reply. At that point, we'll want to reconnect so that soft mounts can return an error to userspace quickly. If the client hasn't received a reply after a specified number of echo intervals, assume that the transport is down and attempt to reconnect the socket. The number of echo_intervals to wait before attempting to reconnect is tunable via a module parameter. Setting it to 0, means that the client will never attempt to reconnect. The default is 5. Signed-off-by: Jeff Layton <jlayton@redhat.com>
2011-01-20cifs: set up recurring workqueue job to do SMB echo requestsJeff Layton
Reviewed-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-01-20cifs: add ability to send an echo requestJeff Layton
Reviewed-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-01-20cifs: add cifs_call_asyncJeff Layton
Add a function that will send a request, and set up the mid for an async reply. Reviewed-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-01-20cifs: allow for different handling of received responseJeff Layton
In order to incorporate async requests, we need to allow for a more general way to do things on receive, rather than just waking up a process. Turn the task pointer in the mid_q_entry into a callback function and a generic data pointer. When a response comes in, or the socket is reconnected, cifsd can call the callback function in order to wake up the process. The default is to just wake up the current process which should mean no change in behavior for existing code. Also, clean up the locking in cifs_reconnect. There doesn't seem to be any need to hold both the srv_mutex and GlobalMid_Lock when walking the list of mids. Reviewed-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-01-20cifs: clean up sync_mid_resultJeff Layton
Make it use a switch statement based on the value of the midStatus. If the resp_buf is set, then MID_RESPONSE_RECEIVED is too. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-01-20drm/i915/ringbuffer: Fix use of stale HEAD position whilst polling for spaceChris Wilson
During suspend, Linus found that his machine would hang for 3 seconds, and identified that intel_ring_buffer_wait() was the culprit: "Because from looking at the code, I get the notion that "intel_read_status_page()" may not be exact. But what happens if that inexact value matches our cached ring->actual_head, so we never even try to read the exact case? Does it _stay_ inexact for arbitrarily long times? If so, we might wait for the ring to empty forever (well, until the timeout - the behavior I see), even though the ring really _is_ empty." As the reported HEAD position is only updated every time it crosses a 64k boundary, whilst draining the ring it is indeed likely to remain one value. If that value matches the last known HEAD position, we never read the true value from the register and so trigger a timeout. Reported-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2011-01-20Staging: remove unintended Module.symvers fileGreg Kroah-Hartman
commit a82ad05ecd9dbd909509a332d3aa5f4ac439a054 (staging: vme: tsi148: fix warning in free_irq) accidentally added a Module.symvers file to the git tree. This patch removes it, sorry about that. Reported-by: Toralf Förster <toralf.foerster@gmx.de> Cc: Emilio G. Cota <cota@braap.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-01-20cifs: don't reconnect server when we don't get a responseJeff Layton
We only want to force a reconnect to the server under very limited and specific circumstances. Now that we have processes waiting indefinitely for responses, we shouldn't reach this point unless a reconnect is already in process. Thus, there's no reason to re-mark the server for reconnect here. Reviewed-by: Suresh Jayaraman <sjayaraman@suse.de> Reviewed-by: Pavel Shilovsky <piastryyy@gmail.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-01-20cifs: wait indefinitely for responsesJeff Layton
The client should not be timing out on individual SMB requests. Too much of the state between client and server is tied to the state of the socket. If we time out requests and issue spurious disconnects then that comprimises data integrity. Instead of doing this complicated dance where we try to decide how long to wait for a response for particular requests, have the client instead wait indefinitely for a response. Also, use a TASK_KILLABLE sleep here so that fatal signals will break out of this waiting. Later patches will add support for detecting dead peers and forcing reconnects based on that. Reviewed-by: Suresh Jayaraman <sjayaraman@suse.de> Reviewed-by: Pavel Shilovsky <piastryyy@gmail.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-01-20ARM: mach-shmobile: AG5EVM LCDC / MIPI-DSI platform dataMagnus Damm
Add platform data for MIPI-DSI and LCDC on the AG5EVM board. The sh73a0 clkdev bindings are also updated. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-01-20ARM: mach-shmobile: sh73a0 CPGA fix for PLL CFG bitMagnus Damm
PLL1 and PLL2 in the sh73a0 CPGA has a CFG bit that must be taken into account to correctly calculate the frequency. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-01-20smp: Allow on_each_cpu() to be called while early_boot_irqs_disabled status ↵Tejun Heo
to init/main.c percpu may end up calling vfree() during early boot which in turn may call on_each_cpu() for TLB flushes. The function of on_each_cpu() can be done safely while IRQ is disabled during early boot but it assumed that the function is always called with local IRQ enabled which ended up enabling local IRQ prematurely during boot and triggering a couple of warnings. This patch updates on_each_cpu() and smp_call_function_many() such on_each_cpu() can be used safely while early_boot_irqs_disabled is set. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Pekka Enberg <penberg@kernel.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> LKML-Reference: <20110120110713.GC6036@htj.dyndns.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Reported-by: Ingo Molnar <mingo@elte.hu>
2011-01-20lockdep: Move early boot local IRQ enable/disable status to init/main.cTejun Heo
During early boot, local IRQ is disabled until IRQ subsystem is properly initialized. During this time, no one should enable local IRQ and some operations which usually are not allowed with IRQ disabled, e.g. operations which might sleep or require communications with other processors, are allowed. lockdep tracked this with early_boot_irqs_off/on() callbacks. As other subsystems need this information too, move it to init/main.c and make it generally available. While at it, toggle the boolean to early_boot_irqs_disabled instead of enabled so that it can be initialized with %false and %true indicates the exceptional condition. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Pekka Enberg <penberg@kernel.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> LKML-Reference: <20110120110635.GB6036@htj.dyndns.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-01-20ALSA: hda - Fix EAPD to low on CZC P10T tablet computer with ALC662Anisse Astier
Signed-off-by: Anisse Astier <anisse@astier.eu> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2011-01-20drm/i915: Don't kick-off hangcheck after a DRI interruptChris Wilson
Hangcheck and error recovery is only used by GEM. Reported-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2011-01-20drm/i915: Add dependency on CONFIG_TMPFSChris Wilson
Without tmpfs, shmem_readpage() is not compiled in causing an OOPS as soon as we try to allocate some swappable pages for GEM. Jan 19 22:52:26 harlie kernel: Modules linked in: i915(+) drm_kms_helper cfbcopyarea video backlight cfbimgblt cfbfillrect Jan 19 22:52:26 harlie kernel: Jan 19 22:52:26 harlie kernel: Pid: 1125, comm: modprobe Not tainted 2.6.37Harlie #10 To be filled by O.E.M./To be filled by O.E.M. Jan 19 22:52:26 harlie kernel: EIP: 0060:[<00000000>] EFLAGS: 00010246 CPU: 3 Jan 19 22:52:26 harlie kernel: EIP is at 0x0 Jan 19 22:52:26 harlie kernel: EAX: 00000000 EBX: f7b7d000 ECX: f3383100 EDX: f7b7d000 Jan 19 22:52:26 harlie kernel: ESI: f1456118 EDI: 00000000 EBP: f2303c98 ESP: f2303c7c Jan 19 22:52:26 harlie kernel: DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 Jan 19 22:52:26 harlie kernel: Process modprobe (pid: 1125, ti=f2302000 task=f259cd80 task.ti=f2302000) Jan 19 22:52:26 harlie kernel: Stack: Jan 19 22:52:26 harlie udevd-work[1072]: '/sbin/modprobe -b pci:v00008086d00000046sv00000000sd00000000bc03sc00i00' unexpected exit with status 0x0009 Jan 19 22:52:26 harlie kernel: c1074061 000000d0 f2f42b80 00000000 000a13d2 f2d5dcc0 00000001 f2303cac Jan 19 22:52:26 harlie kernel: c107416f 00000000 000a13d2 00000000 f2303cd4 f8d620ed f2cee620 00001000 Jan 19 22:52:26 harlie kernel: 00000000 000a13d2 f1456118 f2d5dcc0 f1a40000 00001000 f2303d04 f8d637ab Jan 19 22:52:26 harlie kernel: Call Trace: Jan 19 22:52:26 harlie kernel: [<c1074061>] ? do_read_cache_page+0x71/0x160 Jan 19 22:52:26 harlie kernel: [<c107416f>] ? read_cache_page_gfp+0x1f/0x30 Jan 19 22:52:26 harlie kernel: [<f8d620ed>] ? i915_gem_object_get_pages+0xad/0x1d0 [i915] Jan 19 22:52:26 harlie kernel: [<f8d637ab>] ? i915_gem_object_bind_to_gtt+0xeb/0x2d0 [i915] Jan 19 22:52:26 harlie kernel: [<f8d65961>] ? i915_gem_object_pin+0x151/0x190 [i915] Jan 19 22:52:26 harlie kernel: [<c11e16ed>] ? drm_gem_object_init+0x3d/0x60 Jan 19 22:52:26 harlie kernel: [<f8d65aa5>] ? i915_gem_init_ringbuffer+0x105/0x1e0 [i915] Jan 19 22:52:26 harlie kernel: [<f8d571b7>] ? i915_driver_load+0x667/0x1160 [i915] Reported-by: John J. Stimson-III <john@idsfa.net> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: stable@kernel.org
2011-01-20drm/i915: Initialise ring vfuncs for old DRI pathsChris Wilson
We weren't setting up the vfunc table when initialising the old DRI ringbuffer, leading to such OOPSes as: BUG: unable to handle kernel NULL pointer dereference at (null) IP: [<(null)>] (null) PGD 10c441067 PUD 1185e5067 PMD 0 Oops: 0010 [#1] PREEMPT SMP last sysfs file: /sys/class/dmi/id/chassis_asset_tag CPU 3 Modules linked in: i915 drm_kms_helper drm fb fbdev i2c_algo_bit cfbcopyarea video backlight output cfbimgblt cfbfillrect autofs4 ipv6 nfs lockd fscache nfs_acl auth_rpcgss sunrpc coretemp hwmon_vid mousedev usbhid hid option usb_wwan snd_hda_codec_via asus_atk0110 atl1e usbserial snd_hda_intel snd_hda_codec firmware_class snd_hwdep snd_pcm snd_seq snd_timer snd_seq_device processor parport_pc thermal snd thermal_sys parport 8250_pnp button rng_core rtc_cmos shpchp hwmon rtc_core ehci_hcd pci_hotplug uhci_hcd soundcore tpm_tis i2c_i801 rtc_lib tpm serio_raw snd_page_alloc tpm_bios i2c_core usbcore psmouse intel_agp sg pcspkr sr_mod evdev cdrom ext3 jbd mbcache dm_mod sd_mod ata_piix libata scsi_mod unix Jan 18 15:49:29 lithui kernel: Pid: 3605, comm: Xorg Not tainted 2.6.36.2 #5 P5KPL-CM/System Product Name RIP: 0010:[<0000000000000000>] [<(null)>] (null) RSP: 0018:ffff8801150d1d40 EFLAGS: 00010202 RAX: 000000000001ffff RBX: ffff88011a011b00 RCX: 000000000001a704 RDX: ffff880118566028 RSI: ffff880118566028 RDI: ffff880117876800 RBP: ffff8801150d1d48 R08: ffff8801195fe300 R09: 00000000c0086444 R10: 0000000000000001 R11: 0000000000003206 R12: ffff880117876800 R13: ffff880118566000 R14: ffff880117876820 R15: ffff8801150d1df8 FS: 00007f1038d456e0(0000) GS:ffff880001780000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000001187e7000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process Xorg (pid: 3605, threadinfo ffff8801150d0000, task ffff88011b016e40) Stack: ffffffffa043b8e6 ffff8801150d1d98 ffffffffa041768b dead000000000000 <0> 0000000000000048 00007f1023f2a000 0000000000000044 0000000000000008 <0> ffff88010d26bd80 ffff880117876800 ffff8801150d1df8 ffff8801150d1ea8 Call Trace: [<ffffffffa043b8e6>] ? intel_ring_advance+0x16/0x20 [i915] [<ffffffffa041768b>] i915_irq_emit+0x15b/0x240 [i915] [<ffffffffa03ea7b1>] drm_ioctl+0x1f1/0x460 [drm] [<ffffffffa0417530>] ? i915_irq_emit+0x0/0x240 [i915] [<ffffffff810dd8f1>] ? do_sync_read+0xd1/0x120 [<ffffffff81025b1f>] ? do_page_fault+0x1df/0x3d0 [<ffffffff810ed5c7>] do_vfs_ioctl+0x97/0x550 [<ffffffff8115c2ea>] ? security_file_permission+0x7a/0x90 [<ffffffff810edb19>] sys_ioctl+0x99/0xa0 [<ffffffff810024ab>] system_call_fastpath+0x16/0x1b Code: Bad RIP value. RIP [<(null)>] (null) RSP <ffff8801150d1d40> CR2: 0000000000000000 Reported-by: Herbert Xu <herbert@gondor.apana.org.au> Tested-by: Herbert Xu <herbert@gondor.apana.org.au> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=29153 Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=23172 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: stable@kernel.org
2011-01-20x86: Update CPU cache attributes table descriptorsDave Jones
Update to latest definitions in: http://www.intel.com/Assets/PDF/appnote/241618.pdf [ Note, this update of the doc has removed some old values which we have listed. I think until we have clarification that they were never used in production, they should be left there. ] Signed-off-by: Dave Jones <davej@redhat.com> Cc: Arjan van de Ven <arjan@linux.intel.com> Cc: "H. Peter Anvin" <hpa@zytor.com> LKML-Reference: <20110120012055.GA15985@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-01-20virtio: remove virtio-pci root deviceMilton Miller
We sometimes need to map between the virtio device and the given pci device. One such use is OS installer that gets the boot pci device from BIOS and needs to find the relevant block device. Since it can't, installation fails. Instead of creating a top-level devices/virtio-pci directory, create each device under the corresponding pci device node. Symlinks to all virtio-pci devices can be found under the pci driver link in bus/pci/drivers/virtio-pci/devices, and all virtio devices under drivers/bus/virtio/devices. Signed-off-by: Milton Miller <miltonm@bga.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Michael S. Tsirkin <mst@redhat.com> Tested-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Gleb Natapov <gleb@redhat.com> Tested-by: "Daniel P. Berrange" <berrange@redhat.com> Cc: stable@kernel.org
2011-01-20LGUEST_GUEST: fix unmet direct dependencies (VIRTUALIZATION && VIRTIO)Randy Dunlap
Honor the kconfig menu hierarchy to remove kconfig dependency warnings: VIRTIO and VIRTIO_RING are subordinate to VIRTUALIZATION. warning: (LGUEST_GUEST) selects VIRTIO which has unmet direct dependencies (VIRTUALIZATION) warning: (LGUEST_GUEST && VIRTIO_PCI && VIRTIO_BALLOON) selects VIRTIO_RING which has unmet direct dependencies (VIRTUALIZATION && VIRTIO) Reported-by: Toralf F_rster <toralf.foerster@gmx.de> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2011-01-20lguest: compile fixesRusty Russell
arch/x86/lguest/boot.c: In function ‘lguest_init_IRQ’: arch/x86/lguest/boot.c:824: error: macro "__this_cpu_write" requires 2 arguments, but only 1 given arch/x86/lguest/boot.c:824: error: ‘__this_cpu_write’ undeclared (first use in this function) arch/x86/lguest/boot.c:824: error: (Each undeclared identifier is reported only once arch/x86/lguest/boot.c:824: error: for each function it appears in.) drivers/lguest/x86/core.c: In function ‘copy_in_guest_info’: drivers/lguest/x86/core.c:94: error: lvalue required as left operand of assignment Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2011-01-20lguest: Use this_cpu_opsChristoph Lameter
Use this_cpu_ops in a couple of places in lguest. Signed-off-by: Christoph Lameter <cl@linux.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2011-01-20lguest: document --rng in example LauncherPhilip Sanderson
Rusty Russell wrote: > Ah, it will appear as /dev/hwrng. It's a weirdness of Linux that our actual > hardware number generators are not wired up to /dev/random... Reflected this in the documentation, thanks :-) Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2011-01-20lguest: example launcher to use guard pages, drop PROT_EXEC, fix limit logicPhilip Sanderson
PROT_EXEC seems to be completely unnecessary (as the lguest binary never executes there), and will allow it to work with SELinux (and more importantly, PaX :-) as they can/do forbid writable and executable mappings. Also, map PROT_NONE guard pages at start and end of guest memory for extra paranoia. I changed the length check to addr + size > guest_limit because >= is wrong (addr of 0, size of getpagesize() with a guest_limit of getpagesize() would false positive). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2011-01-20lguest: --username and --chroot optionsPhilip Sanderson
I've attached a patch which implements dropping to privileges and chrooting to a directory. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2011-01-20ALSA: HDA: Add SKU ignore for another Thinkpad Edge 14David Henningsson
BugLink: http://bugs.launchpad.net/bugs/705323 Thinkpad Edge 14 has one more SSID that suffers from disabled auto-mute. Signed-off-by: David Henningsson <david.henningsson@canonical.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2011-01-19Merge branch 'x86-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86: Unify "numa=" command line option handling Revert "x86: Make relocatable kernel work with new binutils"
2011-01-19Merge 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: (41 commits) sctp: user perfect name for Delayed SACK Timer option net: fix can_checksum_protocol() arguments swap Revert "netlink: test for all flags of the NLM_F_DUMP composite" gianfar: Fix misleading indentation in startup_gfar() net/irda/sh_irda: return to RX mode when TX error net offloading: Do not mask out NETIF_F_HW_VLAN_TX for vlan. USB CDC NCM: tx_fixup() race condition fix ns83820: Avoid bad pointer deref in ns83820_init_one(). ipv6: Silence privacy extensions initialization bnx2x: Update bnx2x version to 1.62.00-4 bnx2x: Fix AER setting for BCM57712 bnx2x: Fix BCM84823 LED behavior bnx2x: Mark full duplex on some external PHYs bnx2x: Fix BCM8073/BCM8727 microcode loading bnx2x: LED fix for BCM8727 over BCM57712 bnx2x: Common init will be executed only once after POR bnx2x: Swap BCM8073 PHY polarity if required iwlwifi: fix valid chain reading from EEPROM ath5k: fix locking in tx_complete_poll_work ath9k_hw: do PA offset calibration only on longcal interval ...
2011-01-19sctp: user perfect name for Delayed SACK Timer optionShan Wei
The option name of Delayed SACK Timer should be SCTP_DELAYED_SACK, not SCTP_DELAYED_ACK. Left SCTP_DELAYED_ACK be concomitant with SCTP_DELAYED_SACK, for making compatibility with existing applications. Reference: 8.1.19. Get or Set Delayed SACK Timer (SCTP_DELAYED_SACK) （http://tools.ietf.org/html/draft-ietf-tsvwg-sctpsocket-25) Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com> Acked-by: Wei Yongjun <yjwei@cn.fujitsu.com> Acked-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-19omap: DMA: clear interrupt status correctlyAdrian Hunter
When clearing the DMA channel, clear all status bits. When handling a DMA interrupt, clear only the interrupt status bits that have been read and are passed to the channel's interrupt handler, not every status bit. Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: G, Manjunath Kondaiah <manjugk@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2011-01-19OMAP3: Devkit8000: Fix tps65930 pullup/pulldown configurationDaniel Morsing
gpio7 on the tps65930 is used as an output on the devkit8000 and gpio1 is not connected. Remove gpio7 and change gpio1 to pulldown Signed-off-by: Daniel Morsing <daniel.morsing@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2011-01-19net: fix can_checksum_protocol() arguments swapEric Dumazet
commit 0363466866d901fbc (net offloading: Convert checksums to use centrally computed features.) mistakenly swapped can_checksum_protocol() arguments. This broke IPv6 on bnx2 for instance, on NIC without TCPv6 checksum offloads. Reported-by: Hans de Bruin <jmdebruin@xmsnet.nl> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Jesse Gross <jesse@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-19arm: omap3: cm-t3517: minor comment fixIgor Grinberg
offsets in the comment were wrong - fix this. Signed-off-by: Igor Grinberg <grinberg@compulab.co.il> Signed-off-by: Tony Lindgren <tony@atomide.com>
2011-01-19arm: omap3: cm-t3517: rtc fixIgor Grinberg
Fix rtc gpios and mux Signed-off-by: Igor Grinberg <grinberg@compulab.co.il> Signed-off-by: Tony Lindgren <tony@atomide.com>
2011-01-19Revert "netlink: test for all flags of the NLM_F_DUMP composite"David S. Miller
This reverts commit 0ab03c2b1478f2438d2c80204f7fef65b1bca9cf. It breaks several things including the avahi daemon. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-19cifs: Use mask of ACEs for SID Everyone to calculate all three permissions ↵Shirish Pargaonkar
user, group, and other If a DACL has entries for ACEs for SID Everyone and Authenticated Users, factor in mask in respective entries during calculation of permissions for all three, user, group, and other. http://technet.microsoft.com/en-us/library/bb463216.aspx Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-01-19NFS: fix handling of malloc failure during nfs_flush_multi()Fred Isaman
Cleanup of the allocated list entries should not call put_nfs_open_context() on each entry, as the context will always be NULL, causing an oops. Signed-off-by: Fred Isaman <iisaman@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-01-19hrtimers: Notify hrtimer users of switches to NOHZ modeStephen Boyd
When NOHZ=y and high res timers are disabled (via cmdline or Kconfig) tick_nohz_switch_to_nohz() will notify the user about switching into NOHZ mode. Nothing is printed for the case where HIGH_RES_TIMERS=y. Fix this for the HIGH_RES_TIMERS=y case by duplicating the printk from the low res NOHZ path in the high res NOHZ path. This confused me since I was thinking 'dmesg | grep -i NOHZ' would tell me if NOHZ was enabled, but if I have hrtimers there is nothing. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <1295419594-13085-1-git-send-email-sboyd@codeaurora.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-01-19powerpc, perf: Fix frequency calculation for overflowing counters (FSL version)Anton Blanchard
When fixing the frequency calculations for perf on powerpc I forgot to fix the FSL version. If we dont set event->hw.last_period the frequency to period calculations in perf go haywire and we continually throttle/unthrottle the PMU. Signed-off-by: Anton Blanchard <anton@samba.org> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Scott Wood <scottwood@freescale.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Cc: linuxppc-dev@lists.ozlabs.org Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <20110118214404.2f42e634@kryten> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-01-19perf: Fix perf_event_init_task()/perf_event_free_task() interactionOleg Nesterov
perf_event_init_task() should clear child->perf_event_ctxp[] before anything else. Otherwise, if perf_event_init_context(perf_hw_context) fails, perf_event_free_task() can free perf_event_ctxp[perf_sw_context] copied from parent->perf_event_ctxp[] by dup_task_struct(). Also move the initialization of perf_event_mutex and perf_event_list from perf_event_init_context() to perf_event_init_context(). Signed-off-by: Oleg Nesterov <oleg@redhat.com> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Prasad <prasad@linux.vnet.ibm.com> Cc: Roland McGrath <roland@redhat.com> LKML-Reference: <20110119182228.GC12183@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-01-19perf: Fix find_get_context() vs perf_event_exit_task() raceOleg Nesterov
find_get_context() must not install the new perf_event_context if the task has already passed perf_event_exit_task(). If nothing else, this means the memory leak. Initially ctx->refcount == 2, it is supposed that perf_event_exit_task_context() should participate and do the necessary put_ctx(). find_lively_task_by_vpid() checks PF_EXITING but this buys nothing, by the time we call find_get_context() this task can be already dead. To the point, cmpxchg() can succeed when the task has already done the last schedule(). Change find_get_context() to populate task->perf_event_ctxp[] under task->perf_event_mutex, this way we can trust PF_EXITING because perf_event_exit_task() takes the same mutex. Also, change perf_event_exit_task_context() to use rcu_dereference(). Probably this is not strictly needed, but with or without this change find_get_context() can race with setup_new_exec()->perf_event_exit_task(), rcu_dereference() looks better. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Prasad <prasad@linux.vnet.ibm.com> Cc: Roland McGrath <roland@redhat.com> LKML-Reference: <20110119182207.GB12183@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-01-19omap1: Fix sched_clock implementation when both MPU timer and 32K timer are usedTony Lindgren
Earlier patches select HAVE_SCHED_CLOCK for omaps. To have working sched_clock also for MPU timer, we need to implement it in a way where the right one gets selected during the runtime. Signed-off-by: Tony Lindgren <tony@atomide.com>
2011-01-19omap1: Fix booting for 15xx and 730 with omap1_defconfigTony Lindgren
For omap15xx and 730 we need to use the MPU timer as the 32K timer is not available. For omap16xx we want to use the 32K timer because of PM. Fix this by allowing to build in both timers. Signed-off-by: Tony Lindgren <tony@atomide.com>
2011-01-19cifs: Fix regression during share-level security mounts (Repost)Shirish Pargaonkar
NTLM response length was changed to 16 bytes instead of 24 bytes that are sent in Tree Connection Request during share-level security share mounts. Revert it back to 24 bytes. Reported-and-Tested-by: Grzegorz Ozanski <grzegorz.ozanski@intel.com> Acked-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Acked-by: Suresh Jayaraman <sjayaraman@suse.de> Cc: stable@kernel.org Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-01-19[CIFS] Update cifs version numberSteve French
Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-01-19cifs: move mid result processing into common functionJeff Layton
Reviewed-by: Suresh Jayaraman <sjayaraman@suse.de> Reviewed-by: Pavel Shilovsky <piastryyy@gmail.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-01-19cifs: move locked sections out of DeleteMidQEntry and AllocMidQEntryJeff Layton
In later patches, we're going to need to have finer-grained control over the addition and removal of these structs from the pending_mid_q and we'll need to be able to call the destructor while holding the spinlock. Move the locked sections out of both routines and into the callers. Fix up current callers of DeleteMidQEntry to call a new routine that dequeues the entry and then destroys it. Reviewed-by: Suresh Jayaraman <sjayaraman@suse.de> Reviewed-by: Pavel Shilovsky <piastryyy@gmail.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-01-19cifs: clean up accesses to midCountJeff Layton
It's an atomic_t and the code accesses the "counter" field in it directly instead of using atomic_read(). It also is sometimes accessed under a spinlock and sometimes not. Move it out of the spinlock since we don't need belt-and-suspenders for something that's just informational. Reviewed-by: Suresh Jayaraman <sjayaraman@suse.de> Reviewed-by: Pavel Shilovsky <piastryyy@gmail.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
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