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2011-07-18xen/multicall: special-case singleton hypercallsJeremy Fitzhardinge
Singleton calls seem to end up being pretty common, so just directly call the hypercall rather than going via multicall. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18xen/multicalls: add unlikely around slowpath in __xen_mc_entry()Jeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18xen/multicalls: disable MC_DEBUGJeremy Fitzhardinge
It's useful - and probably should be a config - but its very heavyweight, especially with the tracing stuff to help sort out problems. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18xen/mmu: tune pgtable alloc/releaseJeremy Fitzhardinge
Make sure the fastpath code is inlined. Batch the page permission change and the pin/unpin, and make sure that it can be batched with any adjacent set_pte/pmd/etc operations. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18xen/mmu: use extend_args for more mmuext updatesJeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18xen/trace: add tlb flush tracepointsJeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18xen/trace: add segment desc tracingJeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18xen/trace: add xen_pgd_(un)pin tracepointsJeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18xen/trace: add ptpage alloc/release tracepointsJeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18xen/trace: add mmu tracepointsJeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18xen/trace: add multicall tracingJeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18xen/trace: set up tracepoint skeletonJeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18xen/multicalls: remove debugfs statsJeremy Fitzhardinge
Remove debugfs stats to make way for tracing. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18trace/xen: add skeleton for Xen trace eventsJeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2011-07-18nfsd4: update nfsv4.1 implementation notesJ. Bruce Fields
Update documentation to reflect recent progress. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2011-07-18dt: include linux/errno.h in linux/of_address.hGrant Likely
of_address.h makes reference to some of the error code #defines, so it needs to include errno.h. If CONFIG_PCI is not selected, then some files will fail to compile. Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-07-18of/address: Add of_find_matching_node_by_address helperGrant Likely
of_find_matching_node_by_address() can be used to find a device tree node for a device at a specific address. Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-07-18Merge branch 'dma' of http://git.linaro.org/git/people/nico/linux into ↵Russell King
devel-stable
2011-07-18drm/i915: Fix unfenced alignment on pre-G33 hardwareChris Wilson
Align unfenced buffers on older hardware to the power-of-two object size. The docs suggest that it should be possible to align only to a power-of-two tile height, but using the already computed fence size is easier and always correct. We also have to make sure that we unbind misaligned buffers upon tiling changes. In order to prevent a repetition of this bug, we change the interface to the alignment computation routines to force the caller to provide the requested alignment and size of the GTT binding rather than assume the current values on the object. Reported-and-tested-by: Sitosfe Wheeler <sitsofe@yahoo.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=36326 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: stable@kernel.org Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Keith Packard <keithp@keithp.com>
2011-07-18updated Documentation/ja_JP/SubmittingPatchesKeiichi Kii
Updated Documentaion/ja_JP/SubmittingPatches due to changes from upstream version(2.6.39) of the file. And also, this translated SubmittingPatches is already reviewed by JF project. The JF project is the Japanese equivalent of LDP. Signed-off-by: Keiichi Kii <k-keiichi@bx.jp.nec.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-07-18debugfs: add documentation for debugfs_create_x64Akinobu Mita
debugfs_create_x64() exists. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-07-18Merge 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: pppoe: Must flush connections when MAC address changes too. include/linux/sdla.h: remove the prototype of sdla() tulip: dmfe: Remove old log spamming pr_debugs
2011-07-18staging:iio:meter:ade7753 should be 16 bit read not 8 bit for mode register.Jonathan Cameron
Build tested only. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Reported-by: Randy Dunlap <rdunlap@xenotime.net> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Acked-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-07-18staging:iio:kfifo_buf fix double initialization of the ring device structure.Jonathan Cameron
Looks like this moved into the core at somepoint and kfifo buf got left behind. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-07-18staging:iio:accel:lis3l02dq: fix incorrect pointer passed to spi_set_drvdata.Jonathan Cameron
This mean all sorts of interesting results on driver removal. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-07-18staging:iio:imu fix missing register table index for some channelsJonathan Cameron
A number of these register indexes were not set or actually wrong. This only effects sysfs reads. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Acked-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-07-18spectra: enable device before poking itAlan Cox
Otherwise if it is off at boot time things don't go to plan. Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-07-18staging: rts_pstor: Fix a miswritingwwang
cppcheck reported: [staging/rts_pstor/sd.c:3730] -> [staging/rts_pstor/sd.c:3726]: (style) Found duplicate if expressions. It's a miswriting, and the second if expression should be "(rsp_type == SD_RSP_TYPE_R0)" Signed-off-by: wwang <wei_wang@realsil.com.cn> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-07-18staging/lirc_bt829: Return -ENODEV when no hardware is found.Dave Jones
sys_init_module: 'lirc_bt829'->init suspiciously returned 1, it should follow 0/-E convention sys_init_module: loading module anyway... Pid: 8511, comm: modprobe Tainted: G WC 3.0.0-rc6+ #73 Call Trace: [<ffffffff810b3da7>] sys_init_module+0x217/0x230 [<ffffffff815ed1d2>] system_call_fastpath+0x16/0x1b Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-07-18staging/lirc_parallel: remove pointless prototypes.Dave Jones
These are right before the actual definitions, so redundant. Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-07-18staging/lirc_parallel: fix panic on rmmodDave Jones
lirc_parallel seems to leave a bunch of stuff around after rmmod. Without the patch below modprobe ; rmmod ; modprobe will cause a panic. There are still some remaining problems, (double registration of sysfs files) but this patch is at least a start to survive the panic. Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-07-18staging:iio:adc:ad7476: Incorrect pointer into spi_set_drvdata.Jonathan Cameron
Will cause issues only on driver removal. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-07-18Staging: zram: Fix kunmapping orderJerome Marchand
This patch fixes the unmapping order of KM_USER0/1 in handle_uncompressed_page() and zram_read() so that kmap()/kunmap() calls are correctly nested. Reported-by: Nitin Gupta <ngupta@vflare.org> Signed-off-by: Jerome Marchand <jmarchan@redhat.com> Reviewed-by: Nitin Gupta <ngupta@vflare.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-07-18ARM: orion5x: fixup 5181 MPP mask checkImre Kaloz
During the refactoring of the Orion MPP code, the detection for the 5181l as been used to select the 5181 MPP mask, which is wrong. Select the 5181 mask for all 5181 variants. Signed-off-by: Imre Kaloz <kaloz@openwrt.org> Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
2011-07-18connector: add an event for monitoring process tracersVladimir Zapolskiy
This change adds a procfs connector event, which is emitted on every successful process tracer attach or detach. If some process connects to other one, kernelspace connector reports process id and thread group id of both these involved processes. On disconnection null process id is returned. Such an event allows to create a simple automated userspace mechanism to be aware about processes connecting to others, therefore predefined process policies can be applied to them if needed. Note, a detach signal is emitted only in case, if a tracer process explicitly executes PTRACE_DETACH request. In other cases like tracee or tracer exit detach event from proc connector is not reported. Signed-off-by: Vladimir Zapolskiy <vzapolskiy@gmail.com> Acked-by: Evgeniy Polyakov <zbr@ioremap.net> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Oleg Nesterov <oleg@redhat.com>
2011-07-18ARM: ARM_DMA_ZONE_SIZE is no moreNicolas Pitre
One less dependency on mach/memory.h. Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
2011-07-18ARM: mach-shark: move ARM_DMA_ZONE_SIZE to mdesc->dma_zone_sizeNicolas Pitre
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
2011-07-18ARM: mach-sa1100: move ARM_DMA_ZONE_SIZE to mdesc->dma_zone_sizeNicolas Pitre
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
2011-07-18ARM: mach-realview: move from ARM_DMA_ZONE_SIZE to mdesc->dma_zone_sizeNicolas Pitre
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
2011-07-18ARM: mach-pxa: move from ARM_DMA_ZONE_SIZE to mdesc->dma_zone_sizeNicolas Pitre
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
2011-07-18ARM: mach-ixp4xx: move from ARM_DMA_ZONE_SIZE to mdesc->dma_zone_sizeNicolas Pitre
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
2011-07-18ARM: mach-h720x: move from ARM_DMA_ZONE_SIZE to mdesc->dma_zone_sizeNicolas Pitre
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
2011-07-18ARM: mach-davinci: move from ARM_DMA_ZONE_SIZE to mdesc->dma_zone_sizeNicolas Pitre
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
2011-07-18ARM: add dma_zone_size to the machine_desc structureNicolas Pitre
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
2011-07-18x86, vdso: Drop now wrong commentBorislav Petkov
Now that 1b3f2a72bbcfdf92e368a44448c45eb639b05b5e is in, it is very important that the below lying comment be removed! :-) Signed-off-by: Borislav Petkov <bp@alien8.de> Link: http://lkml.kernel.org/r/20110718191054.GA18359@liondog.tnic Acked-by: Andy Lutomirski <luto@mit.edu> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2011-07-18ARM: change ARM_DMA_ZONE_SIZE into a variableNicolas Pitre
Having this value defined at compile time prevents multiple machines with conflicting definitions to coexist. Move it to a variable in preparation for having a per machine value selected at run time. This is relevant only when CONFIG_ZONE_DMA is selected. Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
2011-07-18IB/qib: Update active link widthMitko Haralanov
Update the active link width on QLE7220 chips when link goes down if chip width does not match shadowed width. Signed-off-by: Mitko Haralanov <mitko@qlogic.com> Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2011-07-18IB/qib: Fix potential deadlock with link down interruptRam Vepa
There is a possibility of a deadlock due to the way locks are acquired and released in qib_set_uevent_bits(). The function qib_set_uevent_bits() is called in process context and it uses spin_lock() and spin_unlock(). This same lock is acquired/released in interrupt context which can lead to a deadlock when running on the same cpu. The fix is to replace spin_lock() and spin_unlock() with spin_lock_irqsave() and spin_unlock_irqrestore() respectively in qib_set_uevent_bits(). Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2011-07-18IB/qib: Add sysfs interface to read free contextsRam Vepa
Indicate the number of free user contexts via the sysfs file /sys/class/infiniband/qib0/nfreectxts as required for PSM. Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2011-07-18IB/mthca: Remove unnecessary read of PCI_CAP_ID_EXPJon Mason
The PCIE capability offset is saved during PCI bus walking. It will remove an unnecessary search in the PCI configuration space if this value is referenced instead of reacquiring it. Also, pci_is_pcie is a better way of determining if the device is PCIE or not (as it uses the same saved PCIE capability offset). Signed-off-by: Jon Mason <jdmason@kudzu.us> Signed-off-by: Roland Dreier <roland@purestorage.com>
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