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2012-06-28NFS: Cleanup - only store the write verifier in struct nfs_pageTrond Myklebust2-2/+6
The 'committed' field is not needed once we have put the struct nfs_page on the right list. Also correct the type of the verifier: it is not an array of __be32, but simply an 8 byte long opaque array. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-06-28SUNRPC: Remove unused function xdr_encode_pagesTrond Myklebust1-2/+0
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-06-28SUNRPC: Add the helper xdr_stream_posTrond Myklebust1-0/+1
Add a helper to report the current offset from the start of the xdr_stream. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-06-28SUNRPC: xdr_read_pages should return the amount of XDR encoded page dataTrond Myklebust1-1/+1
Callers of xdr_read_pages() will want to know exactly how much XDR data is encoded in the pages after the data realignment. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-06-28SUNRPC: Don't decode beyond the end of the RPC reply messageTrond Myklebust1-0/+1
Now that xdr_inline_decode() will automatically cross into the page buffers, we need to ensure that it doesn't exceed the total reply message length. This patch sets up a counter that tracks the number of words remaining in the reply message, and ensures that xdr_inline_decode, xdr_read_pages and xdr_enter_page respect the end of message boundary. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-06-24Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds2-4/+4
Pull drm fixes from Dave Airlie: "Nothing major in here, one radeon SI fix for tiling, and one uninit var fix, two minor header file fixes." * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm: drop comment about this header being autogenerated. drm/edid: don't return stack garbage from supports_rb vga_switcheroo: Add include guard drm/radeon: SI tiling fixes for display
2012-06-22Merge branch 'perf-urgent-for-linus' of ↵Linus Torvalds1-3/+3
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf updates from Ingo Molnar. * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: ftrace: Make all inline tags also include notrace perf: Use css_tryget() to avoid propping up css refcount perf tools: Fix synthesizing tracepoint names from the perf.data headers perf stat: Fix default output file perf tools: Fix endianity swapping for adds_features bitmask
2012-06-22drm: drop comment about this header being autogenerated.Dave Airlie1-4/+0
This comment is well out of date. Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-06-21Merge tag 'nfs-for-3.5-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds1-0/+1
Pull NFS client bugfixes from Trond Myklebust: - Fix a write hang due to an uninitalised variable when !defined(CONFIG_NFS_V4) - Address upcall races in the legacy NFSv4 idmapper - Remove an O_DIRECT refcounting issue - Fix a pNFS refcounting bug when the file layout metadata server is also acting as a data server - Fix a pNFS module loading race. * tag 'nfs-for-3.5-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: NFS: Force the legacy idmapper to be single threaded NFS: Initialise commit_info.rpc_out when !defined(CONFIG_NFS_V4) NFS: Fix a refcounting issue in O_DIRECT NFSv4.1: Fix a race in set_pnfs_layoutdriver NFSv4.1: Fix umount when filelayout DS is also the MDS
2012-06-21vga_switcheroo: Add include guardOzan Çağlayan1-0/+4
Guard vga_switcheroo.h against multiple inclusion. Signed-off-by: Ozan Çağlayan <ozancag@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-06-20Merge tag 'staging-3.5-rc4' of ↵Linus Torvalds1-0/+2
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging tree fixes from Greg Kroah-Hartman: "Here are a number of small fixes for the drivers/staging tree, as well as iio and pstore drivers (which came from the staging tree in the 3.5-rc1 merge). All of these are tiny, but resolve issues that people have been reporting. There's also a documentation update to reflect what the iio drivers really are doing, which is good to get straightened out. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>" * tag 'staging-3.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging: r8712u: Add new USB IDs staging: gdm72xx: Release netlink socket properly iio: drop wrong reference from Kconfig pstore/inode: Make pstore_fill_super() static pstore/ram: Should zap persistent zone on unlink pstore/ram_core: Factor persistent_ram_zap() out of post_init() pstore/ram_core: Do not reset restored zone's position and size pstore/ram: Should update old dmesg buffer before reading staging:iio:ad7298: Fix linker error due to missing IIO kfifo buffer Revert "staging: usbip: bugfix for stack corruption on 64-bit architectures" staging: usbip: bugfix for stack corruption on 64-bit architectures staging/comedi: fix build for USB not enabled staging: omapdrm: fix crash when freeing bad fb staging:iio:ad7606: Re-add missing scale attribute iio: Fix potential use after free staging:iio: remove num_interrupt_lines from documentation iio: documentation: Add out_altvoltage and friends
2012-06-20Merge tag 'driver-core-3.5-rc4' of ↵Linus Torvalds1-7/+38
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core and printk fixes from Greg Kroah-Hartman: "Here are some fixes for 3.5-rc4 that resolve the kmsg problems that people have reported showing up after the printk and kmsg changes went into 3.5-rc1. There are also a smattering of other tiny fixes for the extcon and hyper-v drivers that people have reported. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>" * tag 'driver-core-3.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: extcon: max8997: Add missing kfree for info->edev in max8997_muic_remove() extcon: Set platform drvdata in gpio_extcon_probe() and fix irq leak extcon: Fix wrong index in max8997_extcon_cable[] kmsg - kmsg_dump() fix CONFIG_PRINTK=n compilation printk: return -EINVAL if the message len is bigger than the buf size printk: use mutex lock to stop syslog_seq from going wild kmsg - kmsg_dump() use iterator to receive log buffer content vme: change maintainer e-mail address Extcon: Don't try to create duplicate link names driver core: fixup reversed deferred probe order printk: Fix alignment of buf causing crash on ARM EABI Tools: hv: verify origin of netlink connector message
2012-06-20Merge branch 'akpm' (Andrew's patch-bomb)Linus Torvalds4-2/+22
* emailed from Andrew Morton <akpm@linux-foundation.org>: (21 patches) mm/memblock: fix overlapping allocation when doubling reserved array c/r: prctl: Move PR_GET_TID_ADDRESS to a proper place pidns: find_new_reaper() can no longer switch to init_pid_ns.child_reaper pidns: guarantee that the pidns init will be the last pidns process reaped fault-inject: avoid call to random32() if fault injection is disabled Viresh has moved get_maintainer: Fix --help warning mm/memory.c: fix kernel-doc warnings mm: fix kernel-doc warnings mm: correctly synchronize rss-counters at exit/exec mm, thp: print useful information when mmap_sem is unlocked in zap_pmd_range h8300: use the declarations provided by <asm/sections.h> h8300: fix use of extinct _sbss and _ebss xtensa: use the declarations provided by <asm/sections.h> xtensa: use "test -e" instead of bashism "test -a" xtensa: replace xtensa-specific _f{data,text} by _s{data,text} memcg: fix use_hierarchy css_is_ancestor oops regression mm, oom: fix and cleanup oom score calculations nilfs2: ensure proper cache clearing for gc-inodes thp: avoid atomic64_read in pmd_read_atomic for 32bit PAE ...
2012-06-20Viresh has movedViresh Kumar2-2/+2
viresh.kumar@st.com email-id doesn't exist anymore as I have left the company. Replace ST's id with viresh.linux@gmail.com. It also updates .mailmap file to fix address for 'git shortlog' Signed-off-by: Viresh Kumar <viresh.linux@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-06-20thp: avoid atomic64_read in pmd_read_atomic for 32bit PAEAndrea Arcangeli1-0/+10
In the x86 32bit PAE CONFIG_TRANSPARENT_HUGEPAGE=y case while holding the mmap_sem for reading, cmpxchg8b cannot be used to read pmd contents under Xen. So instead of dealing only with "consistent" pmdvals in pmd_none_or_trans_huge_or_clear_bad() (which would be conceptually simpler) we let pmd_none_or_trans_huge_or_clear_bad() deal with pmdvals where the low 32bit and high 32bit could be inconsistent (to avoid having to use cmpxchg8b). The only guarantee we get from pmd_read_atomic is that if the low part of the pmd was found null, the high part will be null too (so the pmd will be considered unstable). And if the low part of the pmd is found "stable" later, then it means the whole pmd was read atomically (because after a pmd is stable, neither MADV_DONTNEED nor page faults can alter it anymore, and we read the high part after the low part). In the 32bit PAE x86 case, it is enough to read the low part of the pmdval atomically to declare the pmd as "stable" and that's true for THP and no THP, furthermore in the THP case we also have a barrier() that will prevent any inconsistent pmdvals to be cached by a later re-read of the *pmd. Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> Cc: Jonathan Nieder <jrnieder@gmail.com> Cc: Ulrich Obergfell <uobergfe@redhat.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Hugh Dickins <hughd@google.com> Cc: Larry Woodman <lwoodman@redhat.com> Cc: Petr Matousek <pmatouse@redhat.com> Cc: Rik van Riel <riel@redhat.com> Cc: Jan Beulich <jbeulich@suse.com> Cc: KOSAKI Motohiro <kosaki.motohiro@gmail.com> Tested-by: Andrew Jones <drjones@redhat.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-06-20mm: fix slab->page _count corruption when using slubPravin B Shelar1-0/+10
On arches that do not support this_cpu_cmpxchg_double() slab_lock is used to do atomic cmpxchg() on double word which contains page->_count. The page count can be changed from get_page() or put_page() without taking slab_lock. That corrupts page counter. Fix it by moving page->_count out of cmpxchg_double data. So that slub does no change it while updating slub meta-data in struct page. [akpm@linux-foundation.org: use standard comment layout, tweak comment text] Reported-by: Amey Bhide <abhide@nicira.com> Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Acked-by: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@cs.helsinki.fi> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-06-19Merge tag 'sound-3.5' of ↵Linus Torvalds2-1/+3
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "Most of changes are fairly small and driver-specific. A remaining regression fix for USB-audio sync pipe check, a fix for HD-audio power-up sequence, fixes for ASoC pxa-ssp compile issues, and bunch of ASoC codec and trivial fix patches." * tag 'sound-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: 6fire: use NULL instead of 0 for pointer assignment ALSA: hda - Handle open while transitioning to D3. ALSA: snd-usb: make snd_usb_substream_capture_trigger static ALSA: snd-usb: fix sync pipe check ASoC: tegra+wm8903: turn of mic detect when card is removed ASoC: wm8996: Mark the CODEC as cache only when powering off on boot ASoC: wm8996: Move reset before the initial regulator disable ASoC: wm8996: Remove spurious regulator_bulk_free() ASoC: wm8904: Fix cache only management ASoC: wm8904: Fix GPIO and MICBIAS initialisation for regmap conversion ASoC: fix pxa-ssp compiling issue under mach-mmp ARM: MMP: add pxa910-ssp into ssp_id_table
2012-06-18kmsg - kmsg_dump() fix CONFIG_PRINTK=n compilationKay Sievers1-5/+5
Signed-off-by: Kay Sievers <kay@vrfy.org> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Reported-by: Randy Dunlap <rdunlap@xenotime.net> Reported-by: Fengguang Wu <wfg@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-18Merge tag 'mmc-fixes-for-3.5-rc4' of ↵Linus Torvalds1-0/+2
git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc Pull MMC fixes from Chris Ball: - atmel-mci: Fixes for NULL timer and DMA burst/chunk size - dw_mmc: Fix DMA ordering, clkdiv calculation, NULL host->data - mxs_mmc: Compile fix for CONFIG_OF=y && CONFIG_PM=n - omap: Fix NULL deref in mmc_omap_remove_slot(), reg_shift initialization - sdhci-s3c: Fix boot regression by adding IRQF_ONESHOT flag - Small fixes to core/sd, core/sdio, sdhci * tag 'mmc-fixes-for-3.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: mmc: mxs-mmc: Move of_match_table out of CONFIG_PM mmc: sdhci-s3c: pass IRQF ONESHOT to request threaded irq mmc: core: return an error on suspend if mmc_deselect_cards fails mmc: omap: Fix broken reg_shift initialization mmc: omap: Fix NULL pointer dereference if mmc_omap_new_slot() fails mmc: omap: Fix a section warning regression mmc: dw_mmc: correct the calculation for CLKDIV mmc: dw_mmc: fix incorrect setting of host->data of NULL mmc: dw_mmc: fix the IDMAC sw reset mmc: dw_mmc: fix the transmission handling in IDMAC mmc: sdio: fix setting card data bus width as 4-bit mmc: atmel-mci: fix burst/chunk size modification mmc: atmel-mci: fix data timeout issue mmc: sdhci: Use DBG() instead of pr_warning() on large timeout
2012-06-18bug.h: Fix up powerpc build regression.Paul Mundt1-3/+5
The asm-generic/bug.h __ASSEMBLY__ guarding is completely bogus, which tripped up the powerpc build when the kernel.h include was added: In file included from include/asm-generic/bug.h:5:0, from arch/powerpc/include/asm/bug.h:127, from arch/powerpc/kernel/head_64.S:31: include/linux/kernel.h:44:0: warning: "ALIGN" redefined [enabled by default] include/linux/linkage.h:57:0: note: this is the location of the previous definition include/linux/sysinfo.h: Assembler messages: include/linux/sysinfo.h:7: Error: Unrecognized opcode: `struct' include/linux/sysinfo.h:8: Error: Unrecognized opcode: `__kernel_long_t' Moving the __ASSEMBLY__ guard up and stashing the kernel.h include under it fixes this up, as well as covering the case the original fix was attempting to handle. Tested-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-06-18ftrace: Make all inline tags also include notraceSteven Rostedt1-3/+3
Commit 5963e317b1e9d2a ("ftrace/x86: Do not change stacks in DEBUG when calling lockdep") prevented lockdep calls from the int3 breakpoint handler from reseting the stack if a function that was called was in the process of being converted for tracing and had a breakpoint on it. The idea is, before calling the lockdep code, do a load_idt() to the special IDT that kept the breakpoint stack from reseting. This worked well as a quick fix for this kernel release, until a certain config caused a lockup in the function tracer start up tests. Investigating it, I found that the load_idt that was used to prevent the int3 from changing stacks was itself being traced! Even though the config had CONFIG_OPTIMIZE_INLINING disabled, and all 'inline' tags were set to always inline, there were still cases that it did not inline! This was caused by CONFIG_PARAVIRT_GUEST, where it would add a pointer to the native_load_idt() which made that function to be traced. Commit 45959ee7aa645815a ("ftrace: Do not function trace inlined functions") only touched the 'inline' tags when CONFIG_OPMITIZE_INLINING was enabled. PARAVIRT_GUEST shows that this was not enough and we need to also mark always_inline with notrace as well. Reported-by: Fengguang Wu <wfg@linux.intel.com> Tested-by: Fengguang Wu <wfg@linux.intel.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-06-18NFSv4.1: Fix umount when filelayout DS is also the MDSTrond Myklebust1-0/+1
Currently there is a 'chicken and egg' issue when the DS is also the mounted MDS. The nfs_match_client() reference from nfs4_set_ds_client bumps the cl_count, the nfs_client is not freed at umount, and nfs4_deviceid_purge_client is not called to dereference the MDS usage of a deviceid which holds a reference to the DS nfs_client. The result is the umount program returns, but the nfs_client is not freed, and the cl_session hearbeat continues. The MDS (and all other nfs mounts) lose their last nfs_client reference in nfs_free_server when the last nfs_server (fsid) is umounted. The file layout DS lose their last nfs_client reference in destroy_ds when the last deviceid referencing the data server is put and destroy_ds is called. This is triggered by a call to nfs4_deviceid_purge_client which removes references to a pNFS deviceid used by an MDS mount. The fix is to track how many pnfs enabled filesystems are mounted from this server, and then to purge the device id cache once that count reaches zero. Reported-by: Jorge Mora <Jorge.Mora@netapp.com> Reported-by: Andy Adamson <andros@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-06-18Merge tag 'asoc-3.5' of ↵Takashi Iwai2-1/+3
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus ASoC: Updates for 3.5 All driver specific and fairly small. The pxa-ssp changes are larger than I'd like but they're build failures and are pretty clear to inspection.
2012-06-16vga_switcheroo.h: fix pci_dev warningRandy Dunlap1-0/+2
Fix warnings on some architectures/configs (not on x86): include/linux/vga_switcheroo.h:28:30: warning: 'struct pci_dev' declared inside parameter list [enabled by default] include/linux/vga_switcheroo.h:28:30: warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default] Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Cc: Takashi Iwai <tiwai@suse.de> Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-06-15swap: fix shmem swapping when more than 8 areasHugh Dickins1-3/+5
Minchan Kim reports that when a system has many swap areas, and tmpfs swaps out to the ninth or more, shmem_getpage_gfp()'s attempts to read back the page cannot locate it, and the read fails with -ENOMEM. Whoops. Yes, I blindly followed read_swap_header()'s pte_to_swp_entry( swp_entry_to_pte()) technique for determining maximum usable swap offset, without stopping to realize that that actually depends upon the pte swap encoding shifting swap offset to the higher bits and truncating it there. Whereas our radix_tree swap encoding leaves offset in the lower bits: it's swap "type" (that is, index of swap area) that was truncated. Fix it by reducing the SWP_TYPE_SHIFT() in swapops.h, and removing the broken radix_to_swp_entry(swp_to_radix_entry()) from read_swap_header(). This does not reduce the usable size of a swap area any further, it leaves it as claimed when making the original commit: no change from 3.0 on x86_64, nor on i386 without PAE; but 3.0's 512GB is reduced to 128GB per swapfile on i386 with PAE. It's not a change I would have risked five years ago, but with x86_64 supported for ten years, I believe it's appropriate now. Hmm, and what if some architecture implements its swap pte with offset encoded below type? That would equally break the maximum usable swap offset check. Happily, they all follow the same tradition of encoding offset above type, but I'll prepare a check on that for next. Reported-and-Reviewed-and-Tested-by: Minchan Kim <minchan@kernel.org> Signed-off-by: Hugh Dickins <hughd@google.com> Cc: stable@vger.kernel.org [3.1, 3.2, 3.3, 3.4] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-06-15Merge tag 'nfs-for-3.5-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds1-0/+3
Pull NFS client bugfixes from Trond Myklebust: "Highlights include: - Fix a couple of mount regressions due to the recent cleanups. - Fix an Oops in the open recovery code - Fix an rpc_pipefs upcall hang that results from some of the net namespace work from 3.4.x (stable kernel candidate). - Fix a couple of write and o_direct regressions that were found at last weeks Bakeathon testing event in Ann Arbor." * tag 'nfs-for-3.5-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: NFS: add an endian notation for sparse NFSv4.1: integer overflow in decode_cb_sequence_args() rpc_pipefs: allow rpc_purge_list to take a NULL waitq pointer NFSv4 do not send an empty SETATTR compound NFSv2: EOF incorrectly set on short read NFS: Use the NFS_DEFAULT_VERSION for v2 and v3 mounts NFS: fix directio refcount bug on commit NFSv4: Fix unnecessary delegation returns in nfs4_do_open NFSv4.1: Convert another trivial printk into a dprintk NFS4: Fix open bug when pnfs module blacklisted NFS: Remove incorrect BUG_ON in nfs_found_client NFS: Map minor mismatch error to protocol not support error. NFS: Fix a commit bug NFS4: Set parsed mount data version to 4 NFSv4.1: Ensure we clear session state flags after a session creation NFSv4.1: Convert a trivial printk into a dprintk NFSv4: Fix up decode_attr_mdsthreshold NFSv4: Fix an Oops in the open recovery code NFSv4.1: Fix a request leak on the back channel
2012-06-15Merge tag 'usb-3.5-rc3' of ↵Linus Torvalds2-2/+2
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB fixes from Greg Kroah-Hartman: "Here are a bunch of tiny fixes for the USB core and drivers for 3.5-rc3 A bunch of gadget fixes, and new device ids, as well as some fixes for a number of different regressions that have been reported recently. We also fixed some PCI host controllers to resolve a long-standing bug with a whole class of host controllers that have been plaguing people for a number of kernel releases, preventing their systems from suspending properly. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>" * tag 'usb-3.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (41 commits) USB: fix gathering of interface associations usb: ehci-sh: fix illegal phy_init() running when platform_data is NULL usb: cdc-acm: fix devices not unthrottled on open Fix OMAP EHCI suspend/resume failure (i693) USB: ohci-hub: Mark ohci_finish_controller_resume() as __maybe_unused usb: use usb_serial_put in usb_serial_probe errors USB: EHCI: Fix build warning in xilinx ehci driver USB: fix PS3 EHCI systems xHCI: Increase the timeout for controller save/restore state operation xhci: Don't free endpoints in xhci_mem_cleanup() xhci: Fix invalid loop check in xhci_free_tt_info() xhci: Fix error path return value. USB: Checking the wrong variable in usb_disable_lpm() usb-storage: Add 090c:1000 to unusal-devs USB: serial-generic: use a single set of device IDs USB: serial: Enforce USB driver and USB serial driver match USB: add NO_D3_DURING_SLEEP flag and revert 151b61284776be2 USB: option: add more YUGA device ids USB: mos7840: Fix compilation of usb serial driver USB: option: fix memory leak ...
2012-06-15Merge branch 'core-urgent-for-linus' of ↵Linus Torvalds3-3/+6
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull core updates (RCU and locking) from Ingo Molnar: "Most of the diffstat comes from the RCU slow boot regression fixes, but there's also a debuggability improvements/fixes." * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: memblock: Document memblock_is_region_{memory,reserved}() rcu: Precompute RCU_FAST_NO_HZ timer offsets rcu: Move RCU_FAST_NO_HZ per-CPU variables to rcu_dynticks structure rcu: Update RCU_FAST_NO_HZ tracing for lazy callbacks rcu: RCU_FAST_NO_HZ detection of callback adoption spinlock: Indicate that a lockup is only suspected kdump: Execute kmsg_dump(KMSG_DUMP_PANIC) after smp_send_stop() panic: Make panic_on_oops configurable
2012-06-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pendingLinus Torvalds1-0/+1
Pull target updates from Nicholas Bellinger: "This series contains post merge qla_target.c / tcm_qla2xxx bugfixes from the past weeks, including the patch to allow target-core to use an optional session shutdown callback to help address an active I/O shutdown bug in tcm_qla2xxx code (Joern). Also included is a target regression bugfix releated to explict ALUA target port group CDB emulation that is CC'ed to stable (Roland)." * git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: qla2xxx: Remove version.h header file inclusion tcm_qla2xxx: Handle malformed wwn strings properly tcm_qla2xxx: tcm_qla2xxx_handle_tmr() can be static qla2xxx: Don't leak commands we give up on in qlt_do_work() qla2xxx: Don't crash if we can't find cmd for failed CTIO tcm_qla2xxx: Don't insert nacls without sessions into the btree target: Return error to initiator if SET TARGET PORT GROUPS emulation fails tcm_qla2xxx: Clear session s_id + loop_id earlier during shutdown tcm_qla2xxx: Convert to TFO->put_session() usage target: Add TFO->put_session() caller for HW fabric session shutdown
2012-06-15kmsg - kmsg_dump() use iterator to receive log buffer contentKay Sievers1-7/+38
Provide an iterator to receive the log buffer content, and convert all kmsg_dump() users to it. The structured data in the kmsg buffer now contains binary data, which should no longer be copied verbatim to the kmsg_dump() users. The iterator should provide reliable access to the buffer data, and also supports proper log line-aware chunking of data while iterating. Signed-off-by: Kay Sievers <kay@vrfy.org> Tested-by: Tony Luck <tony.luck@intel.com> Reported-by: Anton Vorontsov <anton.vorontsov@linaro.org> Tested-by: Anton Vorontsov <anton.vorontsov@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-14Merge tag 'sound-3.5' of ↵Linus Torvalds1-0/+7
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: - Fix a regression of USB-audio PCM assignment since 3.4 - A few VGA-switcheroo-related fixes for proper HDMI audio enablement - Fixed the missing initializations of HD-audio verbs, which may have resulted in various breakage - Some driver-specific ASoC updates - A few fixes for the dynamic PCM code - The addition of pinctrl support for the i.MX audmux which didn't make it into -rc1 due to cross tree dependency issues - A few minor fixes in compress API codes * tag 'sound-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda - Don't forget to call init verbs added by fixup list ALSA: HDA: Pin fixup for Zotac Z68 motherboard ALSA: compress_core: cleanup pointers on stop ALSA: compress_core: don't wake up on pause ALSA: hda - Fix detection of Creative SoundCore3D controllers vga_switcheroo: Enable/disable audio clients at the right time ALSA: hda - HDMI Audio init all connectors when VGA-switcheroo is off vga_switcheroo: Fix error without CONFIG_VGA_SWITCHEROO ALSA: hda - Fix uninitialized HDMI controllers with VGA-switcheroo vga_switcheroo: Add a helper function to get the client state ALSA: usb-audio: Fix substream assignments ASoC: tegra: add MODULE_DEVICE_TABLE to tegra30_ahub ASoC: wm2000: Always use a 4s timeout for the firmware ASoC: dapm: Fix input list to use source widgets ASoC: dpcm: Fix dpcm_get_be() to check that DAI is BE ASoC: wm8994: Apply volume updates with clocks enabled ASoC: wm8994: Ensure all AIFnCLK events are run from the _late variants ASoC: imx-audmux: add pinctrl support ASoC: dapm: Fix connected widget capture path query.
2012-06-14Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds5-14/+25
Pull networking fixes from David S. Miller: This has the fix for the wireless issues I ran into the other week as well as: 1) Fix CAN c_can driver transmit handling resulting in BUG check triggers, from AnilKumar Ch. 2) Fix packet drop monitor sleeping in atomic context, from Eric Dumazet. 3) Fix mv643xx_eth driver build regression, from Andrew Lunn. 4) Inetpeer freeing needs an RCU grace period in order to avoid races during tree invalidation. From Eric Dumazet. 5) Fix endianness bugs in xt_HMARK netfilter module, from Hans Schillstrom. 6) Add proper module refcounting to l2tp_eth to avoid crash on module unload, from Eric Dumazet. 7) Fix truncation of neighbour entry dumps due to logic errors in neigh_dump_info() and friends, from Eric Dumazet. 8) The conversion of fib6_age() to dst_neigh_lookup() accidently reversed the logic of a flags test, fix from Thomas Graf. 9) Fix checksum configuration in newer sky2 chips, from Stephen Hemminger. 10) Revert BQL support in NIU driver, doesn't work. 11) l2tp_ip_sendmsg() illegally uses a route without a proper reference. From Eric Dumazet. 12) be2net driver references an SKB after it's potentially been freed, also from Eric Dumazet. 13) Fix RCU stalls in dummy net driver init. Also from Eric Dumazet. 14) lpc_eth has several bugs in it's transmit engine leading to packet leaks and improper queue wakes, from Eric Dumazet. 15) Apply short DMA workaround to more tg3 chips, from Matt Carlson. 16) Add tilegx network driver. 17) Bonding queue mapping for a packet can get corrupted, fix from Eric Dumazet. 18) Fix bug in netpoll_send_udp() SKB management that can leave garbage in the payload in certain situations. From Eric Dumazet. 19) bnx2x driver interprets chip RX checksum offload incorrectly in encapsulation situations. Fix from Eric Dumazet. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (75 commits) bnx2x: fix checksum validation netpoll: fix netpoll_send_udp() bugs bonding: Fix corrupted queue_mapping bonding:record primary when modify it via sysfs tilegx network driver: initial support tg3: Apply short DMA frag workaround to 5906 net: stmmac: Fix clock en-/disable calls lpc_eth: fix tx completion lpc_eth: add missing ndo_change_mtu() dummy: fix rcu_sched self-detected stalls net: Reorder initialization in ip_route_output to fix gcc warning virtio-net: fix a race on 32bit arches r8169: avoid NAPI scheduling delay. net: Make linux/tcp.h C++ friendly (trivial) netdev: fix drivers/net/phy/ kernel-doc warnings net/core: fix kernel-doc warnings be2net: fix a race in be_xmit() l2tp: fix a race in l2tp_ip_sendmsg() mac80211: add back channel change flag NFC: Fix possible NULL ptr deref when getting the name of a socket ...
2012-06-13pstore/ram_core: Factor persistent_ram_zap() out of post_init()Anton Vorontsov1-0/+1
A handy function that we will use outside of ram_core soon. But so far just factor it out and start using it in post_init(). Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org> Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-13pstore/ram: Should update old dmesg buffer before readingAnton Vorontsov1-0/+1
Without the update, we'll only see the new dmesg buffer after the reboot, but previously we could see it right away. Making an oops visible in pstore filesystem before reboot is a somewhat dubious feature, but removing it wasn't an intentional change, so let's restore it. For this we have to make persistent_ram_save_old() safe for calling multiple times, and also extern it. Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org> Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-13USB: add NO_D3_DURING_SLEEP flag and revert 151b61284776be2Alan Stern2-2/+2
This patch (as1558) fixes a problem affecting several ASUS computers: The machine crashes or corrupts memory when going into suspend if the ehci-hcd driver is bound to any controllers. Users have been forced to unbind or unload ehci-hcd before putting their systems to sleep. After extensive testing, it was determined that the machines don't like going into suspend when any EHCI controllers are in the PCI D3 power state. Presumably this is a firmware bug, but there's nothing we can do about it except to avoid putting the controllers in D3 during system sleep. The patch adds a new flag to indicate whether the problem is present, and avoids changing the controller's power state if the flag is set. Runtime suspend is unaffected; this matters only for system suspend. However as a side effect, the controller will not respond to remote wakeup requests while the system is asleep. Hence USB wakeup is not functional -- but of course, this is already true in the current state of affairs. A similar patch has already been applied as commit 151b61284776be2d6f02d48c23c3625678960b97 (USB: EHCI: fix crash during suspend on ASUS computers). The patch supersedes that one and reverts it. There are two differences: The old patch added the flag at the USB level; this patch adds it at the PCI level. The old patch applied to all chipsets with the same vendor, subsystem vendor, and product IDs; this patch makes an exception for a known-good system (based on DMI information). Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Tested-by: Dâniel Fraga <fragabr@gmail.com> Tested-by: Andrey Rahmatullin <wrar@wrar.name> Tested-by: Steven Rostedt <rostedt@goodmis.org> Cc: stable <stable@vger.kernel.org> Reviewed-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-13Merge branches 'sh/urgent', 'sh/core', 'sh/clockevents', 'sh/asm-generic' ↵Paul Mundt260-1502/+6050
and 'sh/trivial' into sh-fixes-for-linus
2012-06-12target: Add TFO->put_session() caller for HW fabric session shutdownJoern Engel1-0/+1
This patch adds an optional target_core_fabric_ops->put_session() caller within the existing target_put_session() code path. This is required by tcm_qla2xxx code in order to invoke it's own fabric specific session shutdown handler using se_session->sess_kref. Signed-off-by: Joern Engel <joern@logfs.org> Cc: Roland Dreier <roland@purestorage.com> Cc: Arun Easi <arun.easi@qlogic.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2012-06-12bonding: Fix corrupted queue_mappingEric Dumazet1-2/+5
In the transmit path of the bonding driver, skb->cb is used to stash the skb->queue_mapping so that the bonding device can set its own queue mapping. This value becomes corrupted since the skb->cb is also used in __dev_xmit_skb. When transmitting through bonding driver, bond_select_queue is called from dev_queue_xmit. In bond_select_queue the original skb->queue_mapping is copied into skb->cb (via bond_queue_mapping) and skb->queue_mapping is overwritten with the bond driver queue. Subsequently in dev_queue_xmit, __dev_xmit_skb is called which writes the packet length into skb->cb, thereby overwriting the stashed queue mappping. In bond_dev_queue_xmit (called from hard_start_xmit), the queue mapping for the skb is set to the stashed value which is now the skb length and hence is an invalid queue for the slave device. If we want to save skb->queue_mapping into skb->cb[], best place is to add a field in struct qdisc_skb_cb, to make sure it wont conflict with other layers (eg : Qdiscc, Infiniband...) This patchs also makes sure (struct qdisc_skb_cb)->data is aligned on 8 bytes : netem qdisc for example assumes it can store an u64 in it, without misalignment penalty. Note : we only have 20 bytes left in (struct qdisc_skb_cb)->data[]. The largest user is CHOKe and it fills it. Based on a previous patch from Tom Herbert. Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: Tom Herbert <therbert@google.com> Cc: John Fastabend <john.r.fastabend@intel.com> Cc: Roland Dreier <roland@kernel.org> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-12Merge branch 'master' of git://1984.lsi.us.es/netDavid S. Miller1-0/+5
2012-06-12drm: increase DRM_OBJECT_MAX_PROPERTY to 24Paulo Zanoni1-1/+1
Before Kernel 3.5, no one was checking for the return value of drm_connector_attach_property, so we never noticed that we were unable to create some properties. Commit "drm: WARN() when drm_connector_attach_property fails" added a WARN when we fail to create a property, and the transition from "connector properties" to "object properties" changed the warning message a little bit. On i915 machines with many TV connectors we hit the maximum number of properties (since each TV connector uses a lot of properties), so we get a few backtraces in our logs. This commit increases the maximum number of properties to 24 hoping we'll have enough room for everybody. Chris suggested that we convert this code to "lists", but I believe this conversion can come after we make sure people's dmesgs are not spammed by our driver. Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Reported-by: Dave Jones <davej@redhat.com> Tested-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-06-11Merge branch 'rcu/urgent' of ↵Ingo Molnar3-3/+6
git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/urgent Merge RCU fixes from Paul E. McKenney: " This series has four patches, the major point of which is to eliminate some slowdowns (including boot-time slowdowns) resulting from some RCU_FAST_NO_HZ changes. The issue with the changes is that posting timers from the idle loop has no effect if the CPU has entered dyntick-idle mode because the CPU has already computed its wakeup time, and posting a timer does not cause it to be recomputed. The short-term fix is for RCU to precompute the timeout value so that the CPU's calculation is correct. " Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-06-11net: Reorder initialization in ip_route_output to fix gcc warningRoland Dreier1-1/+1
If I build with W=1, for every file that includes <net/route.h>, I get the warning include/net/route.h: In function 'ip_route_output': include/net/route.h:135:3: warning: initialized field overwritten [-Woverride-init] include/net/route.h:135:3: warning: (near initialization for 'fl4') [-Woverride-init] (This is with "gcc (Debian 4.6.3-1) 4.6.3") A fix seems pretty trivial: move the initialization of .flowi4_tos earlier. As far as I can tell, this has no effect on code generation. Signed-off-by: Roland Dreier <roland@purestorage.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-11bug.h: need linux/kernel.h for TAINT_WARN.Paul Mundt1-0/+1
asm-generic/bug.h uses taint flags that are only defined in linux/kernel.h, resulting in build failures on platforms that don't include linux/kernel.h some other way: arch/sh/include/asm/thread_info.h:172:2: error: 'TAINT_WARN' undeclared (first use in this function) Caused by commit edd63a2763bd ("set_restore_sigmask() is never called without SIGPENDING (and never should be)"). Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-06-11ASoC: fix pxa-ssp compiling issue under mach-mmpQiao Zhou1-0/+1
pxa-ssp.c uses API like cpu_is_pxa3xx(), cpu_is_pxa2xx(), which is defined under arch-pxa architecture, and drivers under mach-mmp can't find it. so just use ssp->type to replace that API. Signed-off-by: Qiao Zhou <zhouqiao@marvell.com> Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-06-11ARM: MMP: add pxa910-ssp into ssp_id_tableQiao Zhou2-1/+2
add pxa910-ssp into ssp_id_table, and fix pxa-ssp compiling issue under mach-mmp architect. Signed-off-by: Qiao Zhou <zhouqiao@marvell.com> Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-06-09net: Make linux/tcp.h C++ friendly (trivial)Paul Pluzhnikov1-10/+10
I originally sent this patch to <trivial@kernel.org>, but Jiri Kosina did not feel that this is fully appropriate for the trivial tree. Using linux/tcp.h from C++ results in: cat t.cc #include <linux/tcp.h> int main() { } g++ -c t.cc In file included from t.cc:1: /usr/include/linux/tcp.h:72: error: '__u32 __fswab32(__u32)' cannot appear in a constant-expression /usr/include/linux/tcp.h:72: error: a function call cannot appear in a constant-expression ... Attached trivial patch fixes this problem. Tested: - the t.cc above compiles with g++ and - the following program generates the same output before/after the patch: #include <linux/tcp.h> #include <stdio.h> int main () { #define P(a) printf("%s: %08x\n", #a, (int)a) P(TCP_FLAG_CWR); P(TCP_FLAG_ECE); P(TCP_FLAG_URG); P(TCP_FLAG_ACK); P(TCP_FLAG_PSH); P(TCP_FLAG_RST); P(TCP_FLAG_SYN); P(TCP_FLAG_FIN); P(TCP_RESERVED_BITS); P(TCP_DATA_OFFSET); #undef P return 0; } Signed-off-by: Paul Pluzhnikov <ppluzhnikov@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-08Merge branch 'sched-urgent-for-linus' of ↵Linus Torvalds1-0/+11
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler fixes from Ingo Molnar. * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched: Fix the relax_domain_level boot parameter sched: Validate assumptions in sched_init_numa() sched: Always initialize cpu-power sched: Fix domain iteration sched/rt: Fix lockdep annotation within find_lock_lowest_rq() sched/numa: Load balance between remote nodes sched/x86: Calculate booted cores after construction of sibling_mask
2012-06-08Merge branch 'perf-urgent-for-linus' of ↵Linus Torvalds1-2/+2
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Ingo Molnar: "A bit larger than what I'd wish for - half of it is due to hw driver updates to Intel Ivy-Bridge which info got recently released, cycles:pp should work there now too, amongst other things. (but we are generally making exceptions for hardware enablement of this type.) There are also callchain fixes in it - responding to mostly theoretical (but valid) concerns. The tooling side sports perf.data endianness/portability fixes which did not make it for the merge window - and various other fixes as well." * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (26 commits) perf/x86: Check user address explicitly in copy_from_user_nmi() perf/x86: Check if user fp is valid perf: Limit callchains to 127 perf/x86: Allow multiple stacks perf/x86: Update SNB PEBS constraints perf/x86: Enable/Add IvyBridge hardware support perf/x86: Implement cycles:p for SNB/IVB perf/x86: Fix Intel shared extra MSR allocation x86/decoder: Fix bsr/bsf/jmpe decoding with operand-size prefix perf: Remove duplicate invocation on perf_event_for_each perf uprobes: Remove unnecessary check before strlist__delete perf symbols: Check for valid dso before creating map perf evsel: Fix 32 bit values endianity swap for sample_id_all header perf session: Handle endianity swap on sample_id_all header data perf symbols: Handle different endians properly during symbol load perf evlist: Pass third argument to ioctl explicitly perf tools: Update ioctl documentation for PERF_IOC_FLAG_GROUP perf tools: Make --version show kernel version instead of pull req tag perf tools: Check if callchain is corrupted perf callchain: Make callchain cursors TLS ...
2012-06-08Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds1-1/+3
Pull drm intel and exynos fixes from Dave Airlie: "A bunch of fixes for Intel and exynos, nothing too major, a new intel PCI ID, and a fix for CRT detection." * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/i915: pch_irq_handler -> {ibx, cpt}_irq_handler char/agp: add another Ironlake host bridge drm/i915: fix up ivb plane 3 pageflips drm/exynos: fixed blending for hdmi graphic layer drm/exynos: Remove dummy encoder get_crtc operation implementation drm/exynos: Keep a reference to frame buffer GEM objects drm/exynos: Don't cast GEM object to Exynos GEM object when not needed drm/exynos: DRIVER_BUS_PLATFORM is not a driver feature drm/exynos: fixed size type. drm/exynos: Use DRM_FORMAT_{NV12, YUV420} instead of DRM_FORMAT_{NV12M, YUV420M} drm/i915: hold forcewake around ring hw init drm/i915: Mark the ringbuffers as being in the GTT domain drm/i915/crt: Do not rely upon the HPD presence pin drm/i915: Reset last_retired_head when resetting ring
2012-06-08Merge tag 'moduleparam-for-linus' of ↵Linus Torvalds1-5/+5
git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus Pull minor module param fixes from Rusty Russell: "One bugfix for multiple moduleparam levels, one removal of overzealous printk." * tag 'moduleparam-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: init: Drop initcall level output module_param: stop double-calling parameters.
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