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2011-12-16Merge branch 'drm-intel-fixes' of git://people.freedesktop.org/~keithp/linuxLinus Torvalds1-0/+2
* 'drm-intel-fixes' of git://people.freedesktop.org/~keithp/linux: drm/i915/dp: Dither down to 6bpc if it makes the mode fit drm/i915: enable semaphores on per-device defaults drm/i915: don't set unpin_work if vblank_get fails drm/i915: By default, enable RC6 on IVB and SNB when reasonable iommu: Export intel_iommu_enabled to signal when iommu is in use drm/i915/sdvo: Include LVDS panels for the IS_DIGITAL check drm/i915: prevent division by zero when asking for chipset power drm/i915: add PCH info to i915_capabilities drm/i915: set the right SDVO transcoder for CPT drm/i915: no-lvds quirk for ASUS AT5NM10T-I drm/i915: Treat pre-gen4 backlight duty cycle value consistently drm/i915: Hook up Ivybridge eDP drm/i915: add multi-threaded forcewake support
2011-12-16Merge branch 'for-linus' of git://git.kernel.dk/linux-blockLinus Torvalds1-3/+0
* 'for-linus' of git://git.kernel.dk/linux-block: block: don't kick empty queue in blk_drain_queue() block/swim3: Locking fixes loop: Fix discard_alignment default setting cfq-iosched: fix cfq_cic_link() race confition cfq-iosched: free cic_index if blkio_alloc_blkg_stats fails cciss: fix flush cache transfer length cciss: Add IRQF_SHARED back in for the non-MSI(X) interrupt handler loop: fix loop block driver discard and encryption comment block: initialize request_queue's numa node during
2011-12-16iommu: Export intel_iommu_enabled to signal when iommu is in useEugeni Dodonov1-0/+2
In i915 driver, we do not enable either rc6 or semaphores on SNB when dmar is enabled. The new 'intel_iommu_enabled' variable signals when the iommu code is in operation. Cc: Ted Phelps <phelps@gnusto.com> Cc: Peter <pab1612@gmail.com> Cc: Lukas Hejtmanek <xhejtman@fi.muni.cz> Cc: Andrew Lutomirski <luto@mit.edu> CC: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Eugeni Dodonov <eugeni.dodonov@intel.com> Signed-off-by: Keith Packard <keithp@keithp.com>
2011-12-14drm/radeon/kms: add some new pci idsAlex Deucher1-0/+10
Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=43739 Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-12-13linux/log2.h: Fix rounddown_pow_of_two(1)Linus Torvalds1-1/+0
Exactly like roundup_pow_of_two(1), the rounddown version was buggy for the case of a compile-time constant '1' argument. Probably because it originated from the same code, sharing history with the roundup version from before the bugfix (for that one, see commit 1a06a52ee1b0: "Fix roundup_pow_of_two(1)"). However, unlike the roundup version, the fix for rounddown is to just remove the broken special case entirely. It's simply not needed - the generic code 1UL << ilog2(n) does the right thing for the constant '1' argment too. The only reason roundup needed that special case was because rounding up does so by subtracting one from the argument (and then adding one to the result) causing the obvious problems with "ilog2(0)". But rounddown doesn't do any of that, since ilog2() naturally truncates (ie "rounds down") to the right rounded down value. And without the ilog2(0) case, there's no reason for the special case that had the wrong value. tl;dr: rounddown_pow_of_two(1) should be 1, not 0. Acked-by: Dmitry Torokhov <dtor@vmware.com> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-12-13Merge branch 'for-linus' of ↵Linus Torvalds1-0/+6
git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: mmc: core: Fix deadlock when the CONFIG_MMC_UNSAFE_RESUME is not defined mmc: sdhci-s3c: Remove old and misprototyped suspend operations mmc: tmio: fix clock gating on platforms with a .set_pwr() method mmc: sh_mmcif: fix clock gating on platforms with a .down_pwr() method mmc: core: Fix typo at mmc_card_sleep mmc: core: Fix power_off_notify during suspend mmc: core: Fix setting power notify state variable for non-eMMC mmc: core: Add quirk for long data read time mmc: Add module.h include to sdhci-cns3xxx.c mmc: mxcmmc: fix falling back to PIO mmc: omap_hsmmc: DMA unmap only once in case of MMC error
2011-12-11mmc: core: Add quirk for long data read timeStefan Nilsson XK1-0/+6
Adds a quirk that sets the data read timeout to a fixed value instead of relying on the information in the CSD. The timeout value chosen is 300ms since that has proven enough for the problematic cards found, but could be increased if other cards require this. This patch also enables this quirk for certain Micron cards known to have this problem. Signed-off-by: Stefan Nilsson XK <stefan.xk.nilsson@stericsson.com> Signed-off-by: Ulf Hansson <ulf.hansson@stericsson.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Cc: <stable@kernel.org> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-12-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tileLinus Torvalds2-1/+16
* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile: arch/tile: use new generic {enable,disable}_percpu_irq() routines drivers/net/ethernet/tile: use skb_frag_page() API asm-generic/unistd.h: support new process_vm_{readv,write} syscalls arch/tile: fix double-free bug in homecache_free_pages() arch/tile: add a few #includes and an EXPORT to catch up with kernel changes.
2011-12-09vmscan: use atomic-long for shrinker batchingKonstantin Khlebnikov3-2/+3
Use atomic-long operations instead of looping around cmpxchg(). [akpm@linux-foundation.org: massage atomic.h inclusions] Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org> Cc: Dave Chinner <david@fromorbit.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-12-08Merge branch '3.2-rc-fixes' of ↵Linus Torvalds2-64/+6
git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending * '3.2-rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (25 commits) iscsi-target: Fix hex2bin warn_unused compile message target: Don't return an error if disabling unsupported features target/rd: fix or rewrite the copy routine target/rd: simplify the page/offset computation target: remove the unused se_dev_list target/file: walk properly over sg list target: remove unused struct fields target: Fix page length in emulated INQUIRY VPD page 86h target: Handle 0 correctly in transport_get_sectors_6() target: Don't return an error status for 0-length READ and WRITE iscsi-target: Use kmemdup rather than duplicating its implementation iscsi-target: Add missing F_BIT for iscsi_tm_rsp iscsi-target: Fix residual count hanlding + remove iscsi_cmd->residual_count target: Reject SCSI data overflow for fabrics using transport_generic_map_mem_to_cmd target: remove the unused t_task_pt_sgl and t_task_pt_sgl_num se_cmd fields target: remove the t_tasks_bidi se_cmd field target: remove the t_tasks_fua se_cmd field target: remove the se_ordered_node se_cmd field target: remove the se_obj_ptr and se_orig_obj_ptr se_cmd fields target: Drop config_item_name usage in fabric TFO->free_wwn() ...
2011-12-07Merge branch 'for-linus' of ↵Linus Torvalds2-1/+3
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: fix apparmor dereferencing potentially freed dentry, sanitize __d_path() API
2011-12-07fix apparmor dereferencing potentially freed dentry, sanitize __d_path() APIAl Viro2-1/+3
__d_path() API is asking for trouble and in case of apparmor d_namespace_path() getting just that. The root cause is that when __d_path() misses the root it had been told to look for, it stores the location of the most remote ancestor in *root. Without grabbing references. Sure, at the moment of call it had been pinned down by what we have in *path. And if we raced with umount -l, we could have very well stopped at vfsmount/dentry that got freed as soon as prepend_path() dropped vfsmount_lock. It is safe to compare these pointers with pre-existing (and known to be still alive) vfsmount and dentry, as long as all we are asking is "is it the same address?". Dereferencing is not safe and apparmor ended up stepping into that. d_namespace_path() really wants to examine the place where we stopped, even if it's not connected to our namespace. As the result, it looked at ->d_sb->s_magic of a dentry that might've been already freed by that point. All other callers had been careful enough to avoid that, but it's really a bad interface - it invites that kind of trouble. The fix is fairly straightforward, even though it's bigger than I'd like: * prepend_path() root argument becomes const. * __d_path() is never called with NULL/NULL root. It was a kludge to start with. Instead, we have an explicit function - d_absolute_root(). Same as __d_path(), except that it doesn't get root passed and stops where it stops. apparmor and tomoyo are using it. * __d_path() returns NULL on path outside of root. The main caller is show_mountinfo() and that's precisely what we pass root for - to skip those outside chroot jail. Those who don't want that can (and do) use d_path(). * __d_path() root argument becomes const. Everyone agrees, I hope. * apparmor does *NOT* try to use __d_path() or any of its variants when it sees that path->mnt is an internal vfsmount. In that case it's definitely not mounted anywhere and dentry_path() is exactly what we want there. Handling of sysctl()-triggered weirdness is moved to that place. * if apparmor is asked to do pathname relative to chroot jail and __d_path() tells it we it's not in that jail, the sucker just calls d_absolute_path() instead. That's the other remaining caller of __d_path(), BTW. * seq_path_root() does _NOT_ return -ENAMETOOLONG (it's stupid anyway - the normal seq_file logics will take care of growing the buffer and redoing the call of ->show() just fine). However, if it gets path not reachable from root, it returns SEQ_SKIP. The only caller adjusted (i.e. stopped ignoring the return value as it used to do). Reviewed-by: John Johansen <john.johansen@canonical.com> ACKed-by: John Johansen <john.johansen@canonical.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: stable@vger.kernel.org
2011-12-06Merge branch 'perf-urgent-for-linus' of ↵Linus Torvalds1-0/+2
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: ftrace: Fix hash record accounting bug perf: Fix parsing of __print_flags() in TP_printk() jump_label: jump_label_inc may return before the code is patched ftrace: Remove force undef config value left for testing tracing: Restore system filter behavior tracing: fix event_subsystem ref counting
2011-12-06target: remove the unused se_dev_listChristoph Hellwig1-1/+0
Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-12-06target: remove unused struct fieldsJörn Engel1-18/+0
Some are never used, some are set but never read, dev_hoq_count is incremented and decremented, but never read. Signed-off-by: Joern Engel <joern@logfs.org> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-12-06target: remove the unused t_task_pt_sgl and t_task_pt_sgl_num se_cmd fieldsChristoph Hellwig1-8/+0
Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-12-06target: remove the t_tasks_bidi se_cmd fieldChristoph Hellwig1-1/+1
And use a SCF_BIDI flag instead. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-12-06target: remove the t_tasks_fua se_cmd fieldChristoph Hellwig1-1/+1
And use a SCF_FUA flag instead. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-12-06target: remove the se_ordered_node se_cmd fieldChristoph Hellwig1-3/+0
We never walk ordered_cmd_list in the se_device, so remove all code related to supporting it. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-12-06target: remove the se_obj_ptr and se_orig_obj_ptr se_cmd fieldsChristoph Hellwig1-2/+0
We already have a perfectly valid se_device pointer in the command, so remove the mostly useless duplicates. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-12-06target: Avoid compiler warnings about signed one-bit bitfieldsBart Van Assche1-3/+3
Convert to unsigned bit fields for active I/O shutdown fields. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-12-06target: Address legacy PYX_TRANSPORT_* return code breakageNicholas Bellinger2-27/+1
This patch removes legacy usage of PYX_TRANSPORT_* return codes in a number of locations and addresses cases where transport_generic_request_failure() was returning the incorrect sense upon CHECK_CONDITION status after the v3.1 converson to use errno return codes. This includes the conversion of transport_generic_request_failure() to process cmd->scsi_sense_reason and handle extra TCM_RESERVATION_CONFLICT before calling transport_send_check_condition_and_sense() to queue up response status. It also drops PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES legacy usgae, and returns TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE w/ a response for these cases. transport_generic_allocate_tasks(), transport_generic_new_cmd(), backend SCF_SCSI_DATA_SG_IO_CDB ->do_task(), and emulated ->execute_task() have all been updated to set se_cmd->scsi_sense_reason and return errno codes universally upon failure. This includes cmd->scsi_sense_reason assignment in target_core_alua.c, target_core_pr.c and target_core_cdb.c emulation code. Finally it updates fabric modules to remove the legacy usage, and for TFO->new_cmd_map() callers forwards return values outside of fabric code. iscsi-target has also been updated to remove a handful of special cases related to the cleanup and signaling QUEUE_FULL handling w/ ft_write_pending() (v2: Drop extra SCF_SCSI_CDB_EXCEPTION check during failure from transport_generic_new_cmd, and re-add missing task->task_error_status assignment in transport_complete_task) Cc: Christoph Hellwig <hch@lst.de> Cc: stable@kernel.org Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-12-06Merge branch 'x86-urgent-for-linus' of ↵Linus Torvalds1-0/+4
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: intr_remapping: Fix section mismatch in ir_dev_scope_init() intel-iommu: Fix section mismatch in dmar_parse_rmrr_atsr_dev() x86, amd: Fix up numa_node information for AMD CPU family 15h model 0-0fh northbridge functions x86, AMD: Correct align_va_addr documentation x86/rtc, mrst: Don't register a platform RTC device for for Intel MID platforms x86/mrst: Battery fixes x86/paravirt: PTE updates in k(un)map_atomic need to be synchronous, regardless of lazy_mmu mode x86: Fix "Acer Aspire 1" reboot hang x86/mtrr: Resolve inconsistency with Intel processor manual x86: Document rdmsr_safe restrictions x86, microcode: Fix the failure path of microcode update driver init code Add TAINT_FIRMWARE_WORKAROUND on MTRR fixup x86/mpparse: Account for bus types other than ISA and PCI x86, mrst: Change the pmic_gpio device type to IPC mrst: Added some platform data for the SFI translations x86,mrst: Power control commands update x86/reboot: Blacklist Dell OptiPlex 990 known to require PCI reboot x86, UV: Fix UV2 hub part number x86: Add user_mode_vm check in stack_overflow_check
2011-12-06Merge branch 'perf-urgent-for-linus' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf: Fix loss of notification with multi-event perf, x86: Force IBS LVT offset assignment for family 10h perf, x86: Disable PEBS on SandyBridge chips trace_events_filter: Use rcu_assign_pointer() when setting ftrace_event_call->filter perf session: Fix crash with invalid CPU list perf python: Fix undefined symbol problem perf/x86: Enable raw event access to Intel offcore events perf: Don't use -ENOSPC for out of PMU resources perf: Do not set task_ctx pointer in cpuctx if there are no events in the context perf/x86: Fix PEBS instruction unwind oprofile, x86: Fix crash when unloading module (nmi timer mode) oprofile: Fix crash when unloading module (hr timer mode)
2011-12-06Merge branch 'sched-urgent-for-linus' of ↵Linus Torvalds1-1/+3
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched, x86: Avoid unnecessary overflow in sched_clock sched: Fix buglet in return_cfs_rq_runtime() sched: Avoid SMT siblings in select_idle_sibling() if possible sched: Set the command name of the idle tasks in SMP kernels sched, rt: Provide means of disabling cross-cpu bandwidth sharing sched: Document wait_for_completion_*() return values sched_fair: Fix a typo in the comment describing update_sd_lb_stats sched: Add a comment to effective_load() since it's a pain
2011-12-05tracing: Restore system filter behaviorLi Zefan1-0/+2
Though not all events have field 'prev_pid', it was allowed to do this: # echo 'prev_pid == 100' > events/sched/filter but commit 75b8e98263fdb0bfbdeba60d4db463259f1fe8a2 (tracing/filter: Swap entire filter of events) broke it without any reason. Link: http://lkml.kernel.org/r/4EAF46CF.8040408@cn.fujitsu.com Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-12-05x86, amd: Fix up numa_node information for AMD CPU family 15h model 0-0fh ↵Andreas Herrmann1-0/+4
northbridge functions I've received complaints that the numa_node attribute for family 15h model 00-0fh (e.g. Interlagos) northbridge functions shows -1 instead of the proper node ID. Correct this with attached quirks (similar to quirks for other AMD CPU families used in multi-socket systems). Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com> Cc: Frank Arnold <frank.arnold@amd.com> Cc: Borislav Petkov <borislav.petkov@amd.com> Link: http://lkml.kernel.org/r/20111202072143.GA31916@alberich.amd.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-12-05perf: Fix loss of notification with multi-eventPeter Zijlstra1-0/+1
When you do: $ perf record -e cycles,cycles,cycles noploop 10 You expect about 10,000 samples for each event, i.e., 10s at 1000samples/sec. However, this is not what's happening. You get much fewer samples, maybe 3700 samples/event: $ perf report -D | tail -15 Aggregated stats: TOTAL events: 10998 MMAP events: 66 COMM events: 2 SAMPLE events: 10930 cycles stats: TOTAL events: 3644 SAMPLE events: 3644 cycles stats: TOTAL events: 3642 SAMPLE events: 3642 cycles stats: TOTAL events: 3644 SAMPLE events: 3644 On a Intel Nehalem or even AMD64, there are 4 counters capable of measuring cycles, so there is plenty of space to measure those events without multiplexing (even with the NMI watchdog active). And even with multiplexing, we'd expect roughly the same number of samples per event. The root of the problem was that when the event that caused the buffer to become full was not the first event passed on the cmdline, the user notification would get lost. The notification was sent to the file descriptor of the overflowed event but the perf tool was not polling on it. The perf tool aggregates all samples into a single buffer, i.e., the buffer of the first event. Consequently, it assumes notifications for any event will come via that descriptor. The seemingly straight forward solution of moving the waitq into the ringbuffer object doesn't work because of life-time issues. One could perf_event_set_output() on a fd that you're also blocking on and cause the old rb object to be freed while its waitq would still be referenced by the blocked thread -> FAIL. Therefore link all events to the ringbuffer and broadcast the wakeup from the ringbuffer object to all possible events that could be waited upon. This is rather ugly, and we're open to better solutions but it works for now. Reported-by: Stephane Eranian <eranian@google.com> Finished-by: Stephane Eranian <eranian@google.com> Reviewed-by: Stephane Eranian <eranian@google.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/20111126014731.GA7030@quad Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-12-04asm-generic/unistd.h: support new process_vm_{readv,write} syscallsChris Metcalf2-1/+16
Also prototype the "compat" functions so they can be referenced from C code. Signed-off-by: Chris Metcalf <cmetcalf@tilera.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
2011-12-02Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds1-0/+8
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: vmwgfx: integer overflow in vmw_kms_update_layout_ioctl() drm/radeon/kms: fix 2D tiling CS support on EG/CM drm/radeon/kms: fix scanout of 2D tiled buffers on EG/CM drm: Fix lack of CRTC disable for drm_crtc_helper_set_config(.fb=NULL) drm/radeon/kms: add some new pci ids drm/radeon/kms: Skip ACPI call to ATIF when possible drm/radeon/kms: Hide debugging message drm/radeon/kms: add some loop timeouts in pageflip code drm/nv50/disp: silence compiler warning drm/nouveau: fix oopses caused by clear being called on unpopulated ttms drm/nouveau: Keep RAMIN heap within the channel. drm/nvd0/disp: fix sor dpms typo, preventing dpms on in some situations drm/nvc0/gr: fix TP init for transform feedback offset queries drm/nouveau: add dumb ioctl support
2011-12-02Merge branch 'for-linus' of ↵Linus Torvalds1-9/+4
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda - Fix S3/S4 problem on machines with VREF-pin mute-LED ALSA: hda_intel - revert a quirk that affect VIA chipsets ALSA: hda - Avoid touching mute-VREF pin for IDT codecs firmware: Sigma: Fix endianess issues firmware: Sigma: Skip header during CRC generation firmware: Sigma: Prevent out of bounds memory access ALSA: usb-audio - Support for Roland GAIA SH-01 Synthesizer ASoC: Supply dcs_codes for newer WM1811 revisions ASoC: Error out if we can't generate a LRCLK at all for WM8994 ASoC: Correct name of Speyside Main Speaker widget ASoC: skip resume of soc-audio devices without codecs ASoC: cs42l51: Fix off-by-one for reg_cache_size ASoC: drop support for PlayPaq with WM8510 ASoC: mpc8610: tell the CS4270 codec that it's the master ASoC: cs4720: use snd_soc_cache_sync() ASoC: SAMSUNG: Fix build error ASoC: max9877: Update register if either val or val2 is changed ASoC: Fix wrong define for AD1836_ADC_WORD_OFFSET
2011-12-02Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds10-30/+30
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (73 commits) netfilter: Remove ADVANCED dependency from NF_CONNTRACK_NETBIOS_NS ipv4: flush route cache after change accept_local sch_red: fix red_change Revert "udp: remove redundant variable" bridge: master device stuck in no-carrier state forever when in user-stp mode ipv4: Perform peer validation on cached route lookup. net/core: fix rollback handler in register_netdevice_notifier sch_red: fix red_calc_qavg_from_idle_time bonding: only use primary address for ARP ipv4: fix lockdep splat in rt_cache_seq_show sch_teql: fix lockdep splat net: fec: Select the FEC driver by default for i.MX SoCs isdn: avoid copying too long drvid isdn: make sure strings are null terminated netlabel: Fix build problems when IPv6 is not enabled sctp: better integer overflow check in sctp_auth_create_key() sctp: integer overflow in sctp_auth_create_key() ipv6: Set mcast_hops to IPV6_DEFAULT_MCASTHOPS when -1 was given. net: Fix corruption in /proc/*/net/dev_mcast mac80211: fix race between the AGG SM and the Tx data path ...
2011-12-01drm/radeon/kms: add some new pci idsAlex Deucher1-0/+8
Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-12-01sch_red: fix red_calc_qavg_from_idle_timeEric Dumazet1-9/+6
Since commit a4a710c4a7490587 (pkt_sched: Change PSCHED_SHIFT from 10 to 6) it seems RED/GRED are broken. red_calc_qavg_from_idle_time() computes a delay in us units, but this delay is now 16 times bigger than real delay, so the final qavg result smaller than expected. Use standard kernel time services since there is no need to obfuscate them. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-01Merge branch 'fixes' of ↵Linus Torvalds1-7/+0
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (45 commits) ARM: ux500: update defconfig ARM: u300: update defconfig ARM: at91: enable additional boards in existing soc defconfig files ARM: at91: refresh soc defconfig files for 3.2 ARM: at91: rename defconfig files appropriately ARM: OMAP2+: Fix Compilation error when omap_l3_noc built as module ARM: OMAP2+: Remove empty io.h ARM: OMAP2: select ARM_AMBA if OMAP3_EMU is defined ARM: OMAP: smartreflex: fix IRQ handling bug ARM: OMAP: PM: only register TWL with voltage layer when device is present ARM: OMAP: hwmod: Fix the addr space, irq, dma count APIs arm: mx28: fix bit operation in clock setting ARM: imx: export imx_ioremap ARM: imx/mm-imx3: conditionally compile i.MX31 and i.MX35 code ARM: mx5: Fix checkpatch warnings in cpu-imx5.c MAINTAINERS: Add missing directory ARM: imx: drop 'ARCH_MX31' and 'ARCH_MX35' ARM: imx6q: move clock register map to machine_desc.map_io ARM: pxa168/gplugd: add the correct SSP device ARM: Update mach-types to fix mxs build breakage ...
2011-11-30Merge branch 'pm-fixes' of ↵Linus Torvalds1-95/+134
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm * 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: PM: Update comments describing device power management callbacks PM / Sleep: Update documentation related to system wakeup PM / Runtime: Make documentation follow the new behavior of irq_safe PM / Sleep: Correct inaccurate information in devices.txt PM / Domains: Document how PM domains are used by the PM core PM / Hibernate: Do not leak memory in error/test code paths
2011-11-29Merge branch 'defconfigs-for-arnd' of ↵Arnd Bergmann28-47/+65
git://git.linaro.org/people/triad/linux-stericsson into fixes
2011-11-29firmware: Sigma: Fix endianess issuesLars-Peter Clausen1-4/+4
Currently the SigmaDSP firmware loader only works correctly on little-endian systems. Fix this by using the proper endianess conversion functions. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Acked-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: stable@kernel.org
2011-11-29firmware: Sigma: Prevent out of bounds memory accessLars-Peter Clausen1-5/+0
The SigmaDSP firmware loader currently does not perform enough boundary size checks when processing the firmware. As a result it is possible that a malformed firmware can cause an out of bounds memory access. This patch adds checks which ensure that both the action header and the payload are completely inside the firmware data boundaries before processing them. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Acked-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: stable@kernel.org
2011-11-29Merge branch 'nf' of git://1984.lsi.us.es/netDavid S. Miller2-9/+12
2011-11-29net: Fix corruption in /proc/*/net/dev_mcastAnton Blanchard1-0/+2
I just hit this during my testing. Isn't there another bug lurking? BUG kmalloc-8: Redzone overwritten INFO: 0xc0000000de9dec48-0xc0000000de9dec4b. First byte 0x0 instead of 0xcc INFO: Allocated in .__seq_open_private+0x30/0xa0 age=0 cpu=5 pid=3896 .__kmalloc+0x1e0/0x2d0 .__seq_open_private+0x30/0xa0 .seq_open_net+0x60/0xe0 .dev_mc_seq_open+0x4c/0x70 .proc_reg_open+0xd8/0x260 .__dentry_open.clone.11+0x2b8/0x400 .do_last+0xf4/0x950 .path_openat+0xf8/0x480 .do_filp_open+0x48/0xc0 .do_sys_open+0x140/0x250 syscall_exit+0x0/0x40 dev_mc_seq_ops uses dev_seq_start/next/stop but only allocates sizeof(struct seq_net_private) of private data, whereas it expects sizeof(struct dev_iter_state): struct dev_iter_state { struct seq_net_private p; unsigned int pos; /* bucket << BUCKET_SPACE + offset */ }; Create dev_seq_open_ops and use it so we don't have to expose struct dev_iter_state. [ Problem added by commit f04565ddf52e4 (dev: use name hash for dev_seq_ops) -Eric ] Signed-off-by: Anton Blanchard <anton@samba.org> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-29PM: Update comments describing device power management callbacksRafael J. Wysocki1-95/+134
The comments describing device power management callbacks in include/pm.h are outdated and somewhat confusing, so make them reflect the reality more accurately. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2011-11-28Merge branch 'for-linus' of ↵Linus Torvalds1-1/+3
git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux: pstore: pass allocated memory region back to caller
2011-11-28Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds1-5/+4
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/exynos: fixed wrong err ptr usage and destroy call in exeception drm/exynos: Add disable of manager drm/exynos: include linux/module.h drm/exynos: fix vblank bug. drm/exynos: changed buffer structure. drm/exynos: removed unnecessary variable. drm/exynos: use gem create function generically drm/exynos: checked for null pointer drm/exynos: added crtc dpms for disable crtc drm/exynos: removed meaningless parameter from fbdev update drm/exynos: restored kernel_fb_list when reiniting fb_helper drm/exynos: changed exynos_drm_display to exynos_drm_display_ops drm/exynos: added manager object to connector drm/exynos: fixed converting between display mode and timing drm/exynos: fixed connector flag with hpd and interlace scan for hdmi drm/exynos: added kms poll for handling hpd event
2011-11-28Merge branch 'timers-urgent-for-linus' of ↵Linus Torvalds1-1/+2
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: hrtimer: Fix extra wakeups from __remove_hrtimer() timekeeping: add arch_offset hook to ktime_get functions clocksource: Avoid selecting mult values that might overflow when adjusted time: Improve documentation of timekeeeping_adjust()
2011-11-28Merge branch 'exynos-drm' of ↵Dave Airlie1-5/+4
git://git.infradead.org/users/kmpark/linux-samsung into drm-fixes * 'exynos-drm' of git://git.infradead.org/users/kmpark/linux-samsung: drm/exynos: fixed wrong err ptr usage and destroy call in exeception drm/exynos: Add disable of manager drm/exynos: include linux/module.h drm/exynos: fix vblank bug. drm/exynos: changed buffer structure. drm/exynos: removed unnecessary variable. drm/exynos: use gem create function generically drm/exynos: checked for null pointer drm/exynos: added crtc dpms for disable crtc drm/exynos: removed meaningless parameter from fbdev update drm/exynos: restored kernel_fb_list when reiniting fb_helper drm/exynos: changed exynos_drm_display to exynos_drm_display_ops drm/exynos: added manager object to connector drm/exynos: fixed converting between display mode and timing drm/exynos: fixed connector flag with hpd and interlace scan for hdmi drm/exynos: added kms poll for handling hpd event
2011-11-27inet: add a redirect generation id in inetpeerEric Dumazet1-0/+1
Now inetpeer is the place where we cache redirect information for ipv4 destinations, we must be able to invalidate informations when a route is added/removed on host. As inetpeer is not yet namespace aware, this patch adds a shared redirect_genid, and a per inetpeer redirect_genid. This might be changed later if inetpeer becomes ns aware. Cache information for one inerpeer is valid as long as its redirect_genid has the same value than global redirect_genid. Reported-by: Arkadiusz Miśkiewicz <a.miskiewicz@gmail.com> Tested-by: Arkadiusz Miśkiewicz <a.miskiewicz@gmail.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-26route: struct rtable can be const in rt_is_input_route and rt_is_output_routeSteffen Klassert1-2/+2
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-26net: Move mtu handling down to the protocol depended handlersSteffen Klassert1-6/+1
We move all mtu handling from dst_mtu() down to the protocol layer. So each protocol can implement the mtu handling in a different manner. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-26net: Rename the dst_opt default_mtu method to mtuSteffen Klassert2-2/+2
We plan to invoke the dst_opt->default_mtu() method unconditioally from dst_mtu(). So rename the method to dst_opt->mtu() to match the name with the new meaning. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: David S. Miller <davem@davemloft.net>