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2009-07-15drm/ttm/radeon: add dma32 support.Dave Airlie
This add support for using dma32 memory on gpus that really need it. Currently IGPs are left without DMA32 but we might need to change that unless we can fix rs690. Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-07-15ttm: Make messages more readable.Thomas Hellstrom
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-07-08Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: gpio_mouse - use standard driver registration method Input: mark serio and i8042 as suspended when hibernating too Input: add support for generic GPIO-based matrix keypad Input: arrange keyboards alphabetically Input: gpio-keys - avoid possibility of sleeping in timer function Input: gpio-keys - revert 'change timer to workqueue' Input: dm355evm_keys - fix kconfig symbol names Input: wacom - add DTF720a support and fix rotation on Intuos3 Input: i8042 - more reset quirks for MSI Wind-clone netbooks
2009-07-08headers: mnt_namespace.h reduxAlexey Dobriyan
Fix various silly problems wrt mnt_namespace.h: - exit_mnt_ns() isn't used, remove it - done that, sched.h and nsproxy.h inclusions aren't needed - mount.h inclusion was need for vfsmount_lock, but no longer - remove mnt_namespace.h inclusion from files which don't use anything from mnt_namespace.h Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-07-08elfcore.h : Fix UML build breakageParag Warudkar
Commit a65e7bfcd74e4c0939f235d2bf9f48ddb3a57991 broke the UML build with the following error - In file included from fs/proc/kcore.c:17: include/linux/elfcore.h: In function 'elf_core_copy_task_regs': include/linux/elfcore.h:129: error: implicit declaration of function 'task_pt_regs' Fix this by restoring the previous behavior of returning 0 for all arches like UML that don't define task_pt_regs. Signed-off-by: Parag Warudkar <parag.lkml@gmail.com> Acked-by: Amerigo Wang <xiyou.wangcong@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-07-06Merge 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: (39 commits) Revert "p54: Use SKB list handling helpers instead of by-hand code." sctp: fix warning at inet_sock_destruct() while release sctp socket tun/tap: Fix crashes if open() /dev/net/tun and then poll() it. dsa: fix 88e6xxx statistics counter snapshotting forcedeth: Fix NAPI race. drivers/net/smsc911x.c: Fix resource size off by 1 error pcnet_cs: add new id bnx2x: Fix the maximal values of coalescing timeouts. bnx2x: Disable HC coalescing when setting timeout to zero. tun: Fix device unregister race be2net: fix spurious interrupt handling in intx mode e1000e: disable K1 at 1000Mbps for 82577/82578 e1000e: delay second read of PHY_STATUS register on failure of first read e1000e: prevent NVM corruption on sectors larger than 4K e1000e: do not write SmartSpeed register bits on parts without support e1000e: delay after LCD reset and proper checks for PHY configuration done e1000e: PHY loopback broken on 82578 ixgbe: Not allow 8259x unsupported wol options change from ethtool ixgbe: fix inconsistent SFP/SFP+ failure results. ixgbe: fix regression on some 82598 adapters ...
2009-07-06Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: PCI: Fix IRQ swizzling for ARI-enabled devices ia64/PCI: adjust section annotation for pcibios_setup() x86/PCI: get root CRS before scanning children x86/PCI: fix boundary checking when using root CRS PCI MSI: Fix restoration of MSI/MSI-X mask states in suspend/resume PCI MSI: Unmask MSI if setup failed PCI MSI: shorten PCI_MSIX_ENTRY_* symbol names PCI: make pci_name() take const argument PCI: More PATA quirks for not entering D3 PCI: fix kernel-doc warnings PCI: check if bus has a proper bridge device before triggering SBR PCI: remove pci_dac_dma_... APIs on mn10300 PCI ECRC: Remove unnecessary semicolons PCI MSI: Return if alloc_msi_entry for MSI-X failed
2009-07-06Merge branch 'for_linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (25 commits) V4L/DVB (12206): get_dvb_firmware: Correct errors in MPC718 firmware extraction logic V4L/DVB (12203): radio-si470x: fix lock imbalance V4L/DVB (12202): em28xx, fix lock imbalance V4L/DVB (12172): em28xx: Add autodetection code for Silvercrest 1.3 mpix V4L/DVB (12171): em28xx: fix webcam usage with different output formats V4L/DVB (12169): em28xx-video: fix VIDIOC_G_FMT and VIDIOC_ENUMFMT with webcams V4L/DVB (12156): em28xx: Fix tuning for Terratec Cinergy T XS USB (zl10353 version) V4L/DVB (12139): em28xx: add other video formats V4L/DVB (12138): em28xx: add support for Silvercrest Webcam V4L/DVB (12174): mt9v011: let's stick with datasheet values where it works V4L/DVB (12173): mt9v011: properly calculate image resolution registers V4L/DVB (12137): mt9v011: CodingStyle fixes V4L/DVB (12136): mt9v011: Some fixes at the register initialization table V4L/DVB (12135): Add a driver for mt9v011 sensor V4L/DVB (12166): cx23885: add FIXME comment above set_frontend override V4L/DVB (12165): cx23885: override set_frontend to allow rf input path switching on the HVR1275 V4L/DVB (12148): move V4L2_PIX_FMT_SGRBG8 to the proper place V4L/DVB (12182): cx18: Add DVB-T support for Yuan MPC-718 cards with an MT352 or ZL10353 V4L/DVB (12181): get_dvb_firmware: Add Yuan MPC718 MT352 DVB-T "firmware" extraction V4L/DVB (12180): cx18: Update Yuan MPC-718 card entry with better information and guesses ...
2009-07-06Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6: ieee1394: sbp2: add support for disks >2 TB (and 16 bytes long CDBs) firewire: sbp2: add support for disks >2 TB (and 16 bytes long CDBs) firewire: core: do not DMA-map stack addresses
2009-07-06linux/sysrq.h needs linux/errno.hTobias Doerffel
In include/linux/sysrq.h the constant EINVAL is being used but is undefined if include/linux/errno.h is not included before. Fix this by adding #include <linux/errno.h> at the beginning. Signed-off-by: Tobias Doerffel <tobias.doerffel@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-07-06elf: fix multithreaded program core dumping on armHui Zhu
Fix the multithread program core thread message error. This issue affects arches with neither has CORE_DUMP_USE_REGSET nor ELF_CORE_COPY_TASK_REGS, ARM is one of them. The thread message of core file is generated in elf_dump_thread_status. The register values is set by elf_core_copy_task_regs in this function. If an arch doesn't define ELF_CORE_COPY_TASK_REGS, elf_core_copy_task_regs() will do nothing. Then the core file will not have the register message of thread. So add elf_core_copy_regs to set regiser values if ELF_CORE_COPY_TASK_REGS doesn't define. The following is how to reproduce this issue: cat 1.c #include <stdio.h> #include <pthread.h> #include <assert.h> void td1(void * i) { while (1) { printf ("1\n"); sleep (1); } return; } void td2(void * i) { while (1) { printf ("2\n"); sleep (1); } return; } int main(int argc,char *argv[],char *envp[]) { pthread_t t1,t2; pthread_create(&t1, NULL, (void*)td1, NULL); pthread_create(&t2, NULL, (void*)td2, NULL); sleep (10); assert(0); return (0); } arm-xxx-gcc -g -lpthread 1.c -o 1 copy 1.c and 1 to a arm board. Goto this board. ulimit -c 1800000 ./1 # ./1 1 2 1 ... ... 1 1: 1.c:37: main: Assertion `0' failed. Aborted (core dumped) Then you can get a core file. gdb 1 core.xxx Without the patch: (gdb) info threads 3 process 909 0x00000000 in ?? () 2 process 908 0x00000000 in ?? () * 1 process 907 0x4a6e2238 in raise () from /lib/libc.so.6 You can found that the pc of 909 and 908 is 0x00000000. With the patch: (gdb) info threads 3 process 885 0x4a749974 in nanosleep () from /lib/libc.so.6 2 process 884 0x4a749974 in nanosleep () from /lib/libc.so.6 * 1 process 883 0x4a6e2238 in raise () from /lib/libc.so.6 The pc of 885 and 884 is right. Signed-off-by: Hui Zhu <teawater@gmail.com> Cc: Amerigo Wang <xiyou.wangcong@gmail.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: David Howells <dhowells@redhat.com> Cc: Roland McGrath <roland@redhat.com> Cc: Jakub Jelinek <jakub@redhat.com> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-07-05V4L/DVB (12135): Add a driver for mt9v011 sensorMauro Carvalho Chehab
Adds driver for mt9v011 based on its datasheet, available at: http://download.micron.com/pdf/datasheets/imaging/MT9V011.pdf The driver was tested with a webcam that will be added on a next patch. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-07-05V4L/DVB (12148): move V4L2_PIX_FMT_SGRBG8 to the proper placeMauro Carvalho Chehab
Instead of defining a new pif format on an internal header, move it to the V4L2 API header. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-07-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixesLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes: kbuild: finally remove the obsolete variable $TOPDIR gitignore: ignore scripts/ihex2fw Kbuild: Disable the -Wformat-security gcc flag gitignore: ignore gcov output files kbuild: deb-pkg ship changelog Add new __init_task_data macro to be used in arch init_task.c files. asm-generic/vmlinux.lds.h: shuffle INIT_TASK* macro names in vmlinux.lds.h Add new macros for page-aligned data and bss sections. asm-generic/vmlinux.lds.h: Fix up RW_DATA_SECTION definition.
2009-07-02if_ether: add define for 1588 aka TimesyncAlexander Duyck
This patch adds ETH_P_1588 protocol ID define. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-07-01Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: fuse: invalidation reverse calls fuse: allow umask processing in userspace fuse: fix bad return value in fuse_file_poll() fuse: fix return value of fuse_dev_write()
2009-07-01Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: cfq-iosched: remove redundant check for NULL cfqq in cfq_set_request() blocK: Restore barrier support for md and probably other virtual devices. block: get rid of queue-private command filter block: Create bip slabs with embedded integrity vectors cfq-iosched: get rid of the need for __GFP_NOFAIL in cfq_find_alloc_queue() cfq-iosched: move cfqq initialization out of cfq_find_alloc_queue() Trivial typo fixes in Documentation/block/data-integrity.txt.
2009-07-01Merge 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: (31 commits) Revert "ipv4: arp announce, arp_proxy and windows ip conflict verification" igb: return PCI_ERS_RESULT_DISCONNECT on permanent error e1000e: io_error_detected callback should return PCI_ERS_RESULT_DISCONNECT e1000: return PCI_ERS_RESULT_DISCONNECT on permanent error e1000: fix unmap bug igb: fix unmap length bug ixgbe: fix unmap length bug ixgbe: Fix link capabilities during adapter resets ixgbe: Fix device capabilities of 82599 single speed fiber NICs. ixgbe: Fix SFP log messages usbnet: Remove private stats structure usbnet: Use netdev stats structure smsc95xx: Use netdev stats structure rndis_host: Use netdev stats structure net1080: Use netdev stats structure dm9601: Use netdev stats structure cdc_eem: Use netdev stats structure ipv4: Fix fib_trie rebalancing, part 3 bnx2x: Fix the behavior of ethtool when ONBOOT=no sctp: xmit sctp packet always return no route error ...
2009-07-01block: get rid of queue-private command filterJens Axboe
The initial patches to support this through sysfs export were broken and have been if 0'ed out in any release. So lets just kill the code and reclaim some space in struct request_queue, if anyone would later like to fixup the sysfs bits, the git history can easily restore the removed bits. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-07-01block: Create bip slabs with embedded integrity vectorsMartin K. Petersen
This patch restores stacking ability to the block layer integrity infrastructure by creating a set of dedicated bip slabs. Each bip slab has an embedded bio_vec array at the end. This cuts down on memory allocations and also simplifies the code compared to the original bvec version. Only the largest bip slab is backed by a mempool. The pool is contained in the bio_set so stacking drivers can ensure forward progress. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <axboe@carl.(none)>
2009-06-30usbnet: Remove private stats structureHerbert Xu
Now that nothing uses the private stats structure we can remove it. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-06-30Merge branch 'perfcounters-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perfcounters-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (47 commits) perf report: Add --symbols parameter perf report: Add --comms parameter perf report: Add --dsos parameter perf_counter tools: Adjust only prelinked symbol's addresses perf_counter: Provide a way to enable counters on exec perf_counter tools: Reduce perf stat measurement overhead/skew perf stat: Use percentages for scaling output perf_counter, x86: Update x86_pmu after WARN() perf stat: Micro-optimize the code: memcpy is only required if no event is selected and !null_run perf stat: Improve output perf stat: Fix multi-run stats perf stat: Add -n/--null option to run without counters perf_counter tools: Remove dead code perf_counter: Complete counter swap perf report: Print sorted callchains per histogram entries perf_counter tools: Prepare a small callchain framework perf record: Fix unhandled io return value perf_counter tools: Add alias for 'l1d' and 'l1i' perf-report: Add bare minimum PERF_EVENT_READ parsing perf-report: Add modes for inherited stats and no-samples ...
2009-06-30fbdev: add mutex for fb_mmap lockingKrzysztof Helt
Add a mutex to avoid a circular locking problem between the mm layer semaphore and fbdev ioctl mutex through the fb_mmap() call. Also, add mutex to all places where smem_start and smem_len fields change so the mutex inside the fb_mmap() is actually used. Changing of these fields before calling the framebuffer_register() are not mutexed. This is 2.6.31 material. It removes one lockdep (fb_mmap() and register_framebuffer()) but there is still another one (fb_release() and register_framebuffer()). It also cleans up handling of the smem_start and smem_len fields used by mutexed section of the fb_mmap(). Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-30spi: add spi_master flag wordDavid Brownell
Add a new spi_master.flags word listing constraints relevant to that controller. Define the first constraint bit: a half duplex restriction. Include that constraint in the OMAP1 MicroWire controller driver. Have the mmc_spi host be the first customer of this flag. Its coding relies heavily on full duplex transfers, so it must fail when the underlying controller driver won't perform them. (The spi_write_then_read routine could use it too: use the temporarily-withdrawn full-duplex speedup unless this flag is set, in which case the existing code applies. Similarly, any spi_master implementing only SPI_3WIRE should set the flag.) Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-30spi: new spi->mode bitsDavid Brownell
Add two new spi_device.mode bits to accomodate more protocol options, and pass them through to usermode drivers: * SPI_NO_CS ... a second 3-wire variant, where the chipselect line is removed instead of a data line; transfers are still full duplex. This obviously has STRONG protocol implications since the chipselect transitions can't be used to synchronize state transitions with the SPI master. * SPI_READY ... defines open drain signal that's pulled low to pause the clock. This defines a 5-wire variant (normal 4-wire SPI plus READY) and two 4-wire variants (READY plus each of the 3-wire flavors). Such hardware flow control can be a big win. There are ADC converters and flash chips that expose READY signals, but not many host controllers support it today. The spi_bitbang code should be changed to use SPI_NO_CS instead of its current nonportable hack. That's a mode most hardware can easily support (unlike SPI_READY). Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: "Paulraj, Sandeep" <s-paulraj@ti.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-30elf: limit max map count to safe valueKAMEZAWA Hiroyuki
With ELF, at generating coredump, some more headers other than used vmas are added. When max_map_count == 65536, a core generated by following kinds of code can be unreadable because the number of ELF's program header is written in 16bit in Ehdr (please see elf.h) and the number overflows. == ... = mmap(); (munmap, mprotect, etc...) if (failed) abort(); == This can happen in mmap/munmap/mprotect/etc...which calls split_vma(). I think 65536 is not safe as _default_ and reduce it to 65530 is good for avoiding unexpected corrupted core. Anyway, max_map_count can be enlarged by sysctl if a user is brave.. Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk> Cc: Jakub Jelinek <jakub@redhat.com> Acked-by: Roland McGrath <roland@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-30parport/serial: add support for NetMos 9901 Multi-IO cardMichael Buesch
Add support for the PCI-Express NetMos 9901 Multi-IO card. 0001:06:00.0 Serial controller [0700]: NetMos Technology Device [9710:9901] (prog-if 02 [16550]) Subsystem: Device [a000:1000] Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 65 Region 0: I/O ports at 0030 [size=8] Region 1: Memory at 80105000 (32-bit, non-prefetchable) [size=4K] Region 4: Memory at 80104000 (32-bit, non-prefetchable) [size=4K] Capabilities: <access denied> Kernel driver in use: serial Kernel modules: 8250_pci 0001:06:00.1 Serial controller [0700]: NetMos Technology Device [9710:9901] (prog-if 02 [16550]) Subsystem: Device [a000:1000] Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin B routed to IRQ 65 Region 0: I/O ports at 0020 [size=8] Region 1: Memory at 80103000 (32-bit, non-prefetchable) [size=4K] Region 4: Memory at 80102000 (32-bit, non-prefetchable) [size=4K] Capabilities: <access denied> Kernel driver in use: serial Kernel modules: 8250_pci 0001:06:00.2 Parallel controller [0701]: NetMos Technology Device [9710:9901] (prog-if 03 [IEEE1284]) Subsystem: Device [a000:2000] Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin C routed to IRQ 65 Region 0: I/O ports at 0010 [size=8] Region 1: I/O ports at <unassigned> Region 2: Memory at 80101000 (32-bit, non-prefetchable) [size=4K] Region 4: Memory at 80100000 (32-bit, non-prefetchable) [size=4K] Capabilities: <access denied> Kernel driver in use: parport_pc Kernel modules: parport_pc [ 16.760181] PCI parallel port detected: 416c:0100, I/O at 0x812010(0x0), IRQ 65 [ 16.760225] parport0: PC-style at 0x812010, irq 65 [PCSPP,TRISTATE,EPP] [ 16.851842] serial 0001:06:00.0: enabling device (0004 -> 0007) [ 16.883776] 0001:06:00.0: ttyS0 at I/O 0x812030 (irq = 65) is a ST16650V2 [ 16.893832] serial 0001:06:00.1: enabling device (0004 -> 0007) [ 16.926537] 0001:06:00.1: ttyS1 at I/O 0x812020 (irq = 65) is a ST16650V2 Signed-off-by: Michael Buesch <mb@bu3sch.de> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-30alpha: fix percpu build breakageTejun Heo
alpha percpu access requires custom SHIFT_PERCPU_PTR() definition for modules to work around addressing range limitation. This is done via generating inline assembly using C preprocessing which forces the assembler to generate external reference. This happens behind the compiler's back and makes the compiler think that static percpu variables in modules are unused. This used to be worked around by using __unused attribute for percpu variables which prevent the compiler from omitting the variable; however, recent declare/definition attribute unification change broke this as __used can't be used for declaration. Also, in the process, PER_CPU_ATTRIBUTES definition in alpha percpu.h got broken. This patch adds PER_CPU_DEF_ATTRIBUTES which is only used for definitions and make alpha use it to add __used for percpu variables in modules. This also fixes the PER_CPU_ATTRIBUTES double definition bug. Signed-off-by: Tejun Heo <tj@kernel.org> Tested-by: maximilian attems <max@stro.at> Acked-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Richard Henderson <rth@twiddle.net> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-30gcov: fix __ctors_start alignmentHeiko Carstens
The ctors section for each object file is eight byte aligned (on 64 bit). However the __ctors_start symbol starts at an arbitrary address dependent on the size of the previous sections. Therefore the linker may add some zeroes after __ctors_start to make sure the ctors contents are properly aligned. However the extra zeroes at the beginning aren't expected by the code. When walking the functions pointers contained in there and extra zeroes are added this may result in random jumps. So make sure that the __ctors_start symbol is always aligned as well. Fixes this crash on an allyesconfig on s390: [ 0.582482] Kernel BUG at 0000000000000012 [verbose debug info unavailable] [ 0.582489] illegal operation: 0001 [#1] SMP DEBUG_PAGEALLOC [ 0.582496] Modules linked in: [ 0.582501] CPU: 0 Tainted: G W 2.6.31-rc1-dirty #273 [ 0.582506] Process swapper (pid: 1, task: 000000003f218000, ksp: 000000003f2238e8) [ 0.582510] Krnl PSW : 0704200180000000 0000000000000012 (0x12) [ 0.582518] R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:0 CC:2 PM:0 EA:3 [ 0.582524] Krnl GPRS: 0000000000036727 0000000000000010 0000000000000001 0000000000000001 [ 0.582529] 00000000001dfefa 0000000000000000 0000000000000000 0000000000000040 [ 0.582534] 0000000001fff0f0 0000000001790628 0000000002296048 0000000002296048 [ 0.582540] 00000000020c438e 0000000001786000 0000000002014a66 000000003f223e60 [ 0.582553] Krnl Code:>0000000000000012: 0000 unknown [ 0.582559] 0000000000000014: 0000 unknown [ 0.582564] 0000000000000016: 0000 unknown [ 0.582570] 0000000000000018: 0000 unknown [ 0.582575] 000000000000001a: 0000 unknown [ 0.582580] 000000000000001c: 0000 unknown [ 0.582585] 000000000000001e: 0000 unknown [ 0.582591] 0000000000000020: 0000 unknown [ 0.582596] Call Trace: [ 0.582599] ([<0000000002014a46>] kernel_init+0x622/0x7a0) [ 0.582607] [<0000000000113e22>] kernel_thread_starter+0x6/0xc [ 0.582615] [<0000000000113e1c>] kernel_thread_starter+0x0/0xc [ 0.582621] INFO: lockdep is turned off. [ 0.582624] Last Breaking-Event-Address: [ 0.582627] [<0000000002014a64>] kernel_init+0x640/0x7a0 Cc: Peter Oberparleiter <oberpar@linux.vnet.ibm.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-30eventfd: revised interface and cleanupsDavide Libenzi
Change the eventfd interface to de-couple the eventfd memory context, from the file pointer instance. Without such change, there is no clean way to racely free handle the POLLHUP event sent when the last instance of the file* goes away. Also, now the internal eventfd APIs are using the eventfd context instead of the file*. This patch is required by KVM's IRQfd code, which is still under development. Signed-off-by: Davide Libenzi <davidel@xmailserver.org> Cc: Gregory Haskins <ghaskins@novell.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Benjamin LaHaise <bcrl@kvack.org> Cc: Avi Kivity <avi@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-30fuse: invalidation reverse callsJohn Muir
Add notification messages that allow the filesystem to invalidate VFS caches. Two notifications are added: 1) inode invalidation - invalidate cached attributes - invalidate a range of pages in the page cache (this is optional) 2) dentry invalidation - try to invalidate a subtree in the dentry cache Care must be taken while accessing the 'struct super_block' for the mount, as it can go away while an invalidation is in progress. To prevent this, introduce a rw-semaphore, that is taken for read during the invalidation and taken for write in the ->kill_sb callback. Cc: Csaba Henk <csaba@gluster.com> Cc: Anand Avati <avati@zresearch.com> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
2009-06-30fuse: allow umask processing in userspaceMiklos Szeredi
This patch lets filesystems handle masking the file mode on creation. This is needed if filesystem is using ACLs. - The CREATE, MKDIR and MKNOD requests are extended with a "umask" parameter. - A new FUSE_DONT_MASK flag is added to the INIT request/reply. With this the filesystem may request that the create mode is not masked. CC: Jean-Pierre André <jean-pierre.andre@wanadoo.fr> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
2009-06-30perf_counter: Provide a way to enable counters on execPaul Mackerras
This provides a way to mark a counter to be enabled on the next exec. This is useful for measuring the total activity of a program without including overhead from the process that launches it. This also changes the perf stat command to use this new facility. Signed-off-by: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <19017.43927.838745.689203@cargo.ozlabs.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-06-29Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6: ide: memory overrun in ide_get_identity_ioctl() on big endian machines using ioctl HDIO_OBSOLETE_IDENTITY ide: fix resume for CONFIG_BLK_DEV_IDEACPI=y ide-cd: handle fragmented packet commands gracefully ide: always kill the whole request on error ide: fix ide_kill_rq() for special ide-{floppy,tape} driver requests
2009-06-29Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-2.6
2009-06-29ide: fix resume for CONFIG_BLK_DEV_IDEACPI=yBartlomiej Zolnierkiewicz
commit 2f0d0fd2a605666d38e290c5c0d2907484352dc4 ("ide-acpi: cleanup do_drive_get_GTF()") didn't account for the lack of hwif->acpidata check in generic_ide_suspend() [ indirect user of do_drive_get_GTF() through ide_acpi_exec_tfs() ] resulting in broken resume when ACPI support is enabled but ACPI data is unavailable. Fix it by adding ide_port_acpi() helper for checking if port needs ACPI handling and cleaning generic_ide_{suspend,resume}() to use it instead of hiding hwif->acpidata and ide_noacpi checks in IDE ACPI helpers (this should help in preventing similar bugs in the future). While at it: - kill superfluous debugging printks in ide_acpi_{get,push}_timing() Reported-and-tested-by: Etienne Basset <etienne.basset@numericable.fr> Also-reported-and-tested-by: Jeff Chua <jeff.chua.linux@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-06-29Merge branch 'for-linus' of git://git.infradead.org/users/eparis/notifyLinus Torvalds
* 'for-linus' of git://git.infradead.org/users/eparis/notify: fs: allow d_instantiate to be called with negative parent dentry
2009-06-29PCI: make pci_name() take const argumentAlexey Zaytsev
Since this function should never modify it (saves warnings when called with const args too). Signed-off-by: Alexey Zaytsev <zaytsev@altell.ru> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2009-06-29Merge branch 'bugfixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6 * 'bugfixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6: integrity: add ima_counts_put (updated) integrity: ima audit hash_exists fix integrity: ima mq_open imbalance msg fix
2009-06-29fs: allow d_instantiate to be called with negative parent dentryJeremy Kerr
The new fsnotify infrastructure (starting at 90586523) causes an oops in spufs, where we populate a directory with files before instantiating the directory itself. The new changes seem to have introduced an assumption that a dentry's parent will be positive when instantiating. This change makes it once again possible to d_instantiate a dentry with a negative parent, and brings __fsnotify_d_instantiate() into line with inotify_d_instantiate(), which already has this NULL check. Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Eric Paris <eparis@redhat.com>
2009-06-29netfilter: xtables: conntrack match revision 2Jan Engelhardt
As reported by Philip, the UNTRACKED state bit does not fit within the 8-bit state_mask member. Enlarge state_mask and give status_mask a few more bits too. Reported-by: Philip Craig <philipc@snapgear.com> References: http://markmail.org/thread/b7eg6aovfh4agyz7 Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
2009-06-29netfilter: headers_check fix: linux/netfilter/xt_osf.hJaswinder Singh Rajput
fix the following 'make headers_check' warnings: usr/include/linux/netfilter/xt_osf.h:40: found __[us]{8,16,32,64} type without #include <linux/types.h> Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2009-06-29netfilter: tcp conntrack: fix unacknowledged data detection with NATPatrick McHardy
When NAT helpers change the TCP packet size, the highest seen sequence number needs to be corrected. This is currently only done upwards, when the packet size is reduced the sequence number is unchanged. This causes TCP conntrack to falsely detect unacknowledged data and decrease the timeout. Fix by updating the highest seen sequence number in both directions after packet mangling. Tested-by: Krzysztof Piotr Oledzki <ole@ans.pl> Signed-off-by: Patrick McHardy <kaber@trash.net>
2009-06-29Input: add support for generic GPIO-based matrix keypadEric Miao
Original patch by Marek Vasut, modified by Eric in: 1. use delayed work to simplify the debouncing 2. combine col_polarity/row_polarity into a single active_low field 3. use a generic bit array based XOR algorithm to detect key press/release, which should make the column assertion time shorter and code a bit cleaner 4. remove the ALT_FN handling, which is no way generic, the ALT_FN key should be treated as no different from other keys, and translation will be done by user space by commands like 'loadkeys'. 5. explicitly disable row IRQs and flush potential pending work, and schedule an immediate scan after resuming as suggested by Uli Luckas 6. incorporate review comments from many others Patch tested on Littleton/PXA310 (though PXA310 has a dedicate keypad controller, I have to configure those pins as generic GPIO to use this driver, works quite well, though), and Sharp Zaurus model SL-C7x0 and SL-C1000. [dtor@mail.ru: fix error unwinding path, support changing keymap from userspace] Signed-off-by: Marek Vasut <marek.vasut@gmail.com> Reviewed-by: Trilok Soni <soni.trilok@gmail.com> Reviewed-by: Uli Luckas <u.luckas@road.de> Reviewed-by: Russell King <linux@arm.linux.org.uk> Reviewed-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Eric Miao <eric.miao@marvell.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2009-06-28Merge 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: be2net: Fix to avoid a crash seen on PPC with LRO and Jumbo frames. gro: Flush GRO packets in napi_disable_pending path inet: Call skb_orphan before tproxy activates mac80211: Use rcu_barrier() on unload. sunrpc: Use rcu_barrier() on unload. bridge: Use rcu_barrier() instead of syncronize_net() on unload. ipv6: Use rcu_barrier() on module unload. decnet: Use rcu_barrier() on module unload. sky2: Fix checksum endianness mdio add missing GPL flag sh_eth: remove redundant test on unsigned fsl_pq_mdio: Fix fsl_pq_mdio to work with modules ipv6: avoid wraparound for expired preferred lifetime tcp: missing check ACK flag of received segment in FIN-WAIT-2 state atl1*: add device_set_wakeup_enable to atl1*_set_wol Phonet: generate Netlink RTM_DELADDR when destroying a device Phonet: publicize the Netlink notification function Revert "veth: prevent oops caused by netdev destructor" cpmac: fix compilation failure introduced with netdev_ops conversion ipsec: Fix name of CAST algorithm
2009-06-29integrity: add ima_counts_put (updated)Mimi Zohar
This patch fixes an imbalance message as reported by J.R. Okajima. The IMA file counters are incremented in ima_path_check. If the actual open fails, such as ETXTBSY, decrement the counters to prevent unnecessary imbalance messages. Reported-by: J.R. Okajima <hooanon05@yahoo.co.jp> Signed-off-by: Mimi Zohar <zohar@us.ibm.com> Signed-off-by: James Morris <jmorris@namei.org>
2009-06-28Merge branch 'kvm-updates/2.6.31' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds
* 'kvm-updates/2.6.31' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: shut up uninit compiler warning in paging_tmpl.h KVM: Ignore reads to K7 EVNTSEL MSRs KVM: VMX: Handle vmx instruction vmexits KVM: s390: Allow stfle instruction in the guest KVM: kvm/x86_emulate.c toggle_interruptibility() should be static KVM: ia64: fix ia64 build due to missing kallsyms_lookup() and double export KVM: protect concurrent make_all_cpus_request KVM: MMU: Allow 4K ptes with bit 7 (PAT) set KVM: Fix dirty bit tracking for slots with large pages
2009-06-28Merge 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, delay: tsc based udelay should have rdtsc_barrier x86, setup: correct include file in <asm/boot.h> x86, setup: Fix typo "CONFIG_x86_64" in <asm/boot.h> x86, mce: percpu mcheck_timer should be pinned x86: Add sysctl to allow panic on IOCK NMI error x86: Fix uv bau sending buffer initialization x86, mce: Fix mce resume on 32bit x86: Move init_gbpages() to setup_arch() x86: ensure percpu lpage doesn't consume too much vmalloc space x86: implement percpu_alloc kernel parameter x86: fix pageattr handling for lpage percpu allocator and re-enable it x86: reorganize cpa_process_alias() x86: prepare setup_pcpu_lpage() for pageattr fix x86: rename remap percpu first chunk allocator to lpage x86: fix duplicate free in setup_pcpu_remap() failure path percpu: fix too lazy vunmap cache flushing x86: Set cpu_llc_id on AMD CPUs
2009-06-28Merge branch 'timers-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: timer stats: Optimize by adding quick check to avoid function calls timers: Fix timer_migration interface which accepts any number as input
2009-06-28Merge branch 'for-linus' of git://git.o-hand.com/linux-rpurdie-ledsLinus Torvalds
* 'for-linus' of git://git.o-hand.com/linux-rpurdie-leds: leds: Futher document blink_set leds: Add options to have GPIO LEDs start on or keep their state leds: LED driver for National Semiconductor LP3944 Funlight Chip leds: pca9532 - Indent using tabs, not spaces. leds: Remove an orphan Kconfig entry leds: Further document parameters for blink_set() leds: alix-leds2 fixed for Award BIOS leds: leds-gpio - fix a section mismatch leds: add the sysfs interface into the leds-bd2802 driver for changing wave pattern and led current. leds: change the license information leds: fix led-bd2802 errors while resuming
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