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2013-03-20tools/virtio: remove virtqueue_add_buf() from tests.Rusty Russell3-20/+15
Make the rest of the paths use virtqueue_add_sgs or add_outbuf. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-03-209p/trans_virtio.c: use virtio_add_sgs[]Rusty Russell1-9/+39
virtio_add_buf() is going away, replaced with virtio_add_sgs() which takes multiple terminated scatterlists. Cc: Eric Van Hensbergen <ericvh@gmail.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-03-20virtio_balloon: use simplified virtqueue accessors.Rusty Russell1-3/+3
We never add buffers with input and output parts, so use the new accessors. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-03-20virtio_rpmsg_bus: use simplified virtqueue accessors.Rusty Russell1-4/+4
We never add buffers with input and output parts, so use the new accessors. Cc: Ohad Ben-Cohen <ohad@wizery.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-03-20caif_virtio: use simplified virtqueue accessors.Rusty Russell1-2/+1
We never add buffers with input and output parts, so use the new accessors. Cc: Sjur Brendeland <sjur.brandeland@stericsson.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-03-20virtio_console: use simplified virtqueue accessors.Rusty Russell1-3/+3
We never add buffers with input and output parts, so use the new accessors. Acked-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-03-20virtio_rng: use simplified virtqueue accessors.Rusty Russell1-1/+1
We never add buffers with input and output parts, so use the new accessors. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Reviewed-by: Asias He <asias@redhat.com>
2013-03-20virtio_net: use simplified virtqueue accessors.Rusty Russell1-6/+5
We never add buffers with input and output parts, so use the new accessors. Cc: "Michael S. Tsirkin" <mst@redhat.com> Reviewed-by: Asias He <asias@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-03-20virtio_net: use virtqueue_add_sgs[] for command buffers.Rusty Russell1-25/+26
It's a bit cleaner to hand multiple sgs, rather than one big one. Cc: "Michael S. Tsirkin" <mst@redhat.com> Tested-by: Wanlong Gao <gaowanlong@cn.fujitsu.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-03-20virtio_scsi: use virtqueue_add_inbuf() for virtscsi_kick_event.Rusty Russell1-2/+2
It's a bit clearer, and add_buf is going away. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Reviewed-by: Asias He <asias@redhat.com>
2013-03-20virtio-scsi: use virtqueue_add_sgs for command buffersWanlong Gao1-63/+37
Using the new virtqueue_add_sgs function lets us simplify the queueing path. In particular, all data protected by the tgt_lock is just gone (multiqueue will find a new use for the lock). Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Asias He <asias@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-03-20virtio_blk: remove nents member.Rusty Russell1-11/+11
It's simply a flag as to whether we have data now, so make it an explicit function parameter rather than a member of struct virtblk_req. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Reviewed-by: Asias He <asias@redhat.com>
2013-03-20virtio-blk: use virtqueue_add_sgs on req pathPaolo Bonzini1-36/+33
(This is a respin of Paolo Bonzini's patch, but it calls virtqueue_add_sgs() instead of his multi-part API). This is similar to the previous patch, but a bit more radical because the bio and req paths now share the buffer construction code. Because the req path doesn't use vbr->sg, however, we need to add a couple of arguments to __virtblk_add_req. We also need to teach __virtblk_add_req how to build SCSI command requests. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Reviewed-by: Asias He <asias@redhat.com>
2013-03-20virtio-blk: use virtqueue_add_sgs on bio pathPaolo Bonzini1-29/+29
(This is a respin of Paolo Bonzini's patch, but it calls virtqueue_add_sgs() instead of his multi-part API). Move the creation of the request header and response footer to __virtblk_add_req. vbr->sg only contains the data scatterlist, the header/footer are added separately using virtqueue_add_sgs(). With this change, virtio-blk (with use_bio) is not relying anymore on the virtio functions ignoring the end markers in a scatterlist. The next patch will do the same for the other path. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Reviewed-by: Asias He <asias@redhat.com>
2013-03-20virtio-blk: reorganize virtblk_add_reqPaolo Bonzini1-35/+20
Right now, both virtblk_add_req and virtblk_add_req_wait call virtqueue_add_buf. To prepare for the next patches, abstract the call to virtqueue_add_buf into a new function __virtblk_add_req, and include the waiting logic directly in virtblk_add_req. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Asias He <asias@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-03-20tools/virtio: make vringh_test use inbuf/outbuf.Rusty Russell2-4/+14
As expected, the simplified accessors are faster. for i in `seq 50`; do /usr/bin/time -f 'Wall time:%e' ./vringh_test --indirect --eventidx --parallel --fast-vringh; done 2>&1 | stats --trim-outliers: Before: Using CPUS 0 and 3 Guest: notified 0, pinged 39062-39063(39063) Host: notified 39062-39063(39063), pinged 0 Wall time:1.760000-2.220000(1.789167) After: Using CPUS 0 and 3 Guest: notified 0, pinged 39037-39063(39062) Host: notified 39037-39063(39062), pinged 0 Wall time:1.640000-1.810000(1.676875) Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-03-20virtio_ring: virtqueue_add_outbuf / virtqueue_add_inbuf.Rusty Russell2-0/+54
These are specialized versions of virtqueue_add_buf(), which cover over 80% of cases and are far clearer. In particular, the scatterlists passed to these functions don't have to be clean (ie. we ignore end markers). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-03-20virtio_ring: virtqueue_add_sgs, to add multiple sgs.Rusty Russell4-63/+187
virtio_scsi can really use this, to avoid the current hack of copying the whole sg array. Some other things get slightly neater, too. This causes a slowdown in virtqueue_add_buf(), which is implemented as a wrapper. This is addressed in the next patches. for i in `seq 50`; do /usr/bin/time -f 'Wall time:%e' ./vringh_test --indirect --eventidx --parallel --fast-vringh; done 2>&1 | stats --trim-outliers: Before: Using CPUS 0 and 3 Guest: notified 0, pinged 39009-39063(39062) Host: notified 39009-39063(39062), pinged 0 Wall time:1.700000-1.950000(1.723542) After: Using CPUS 0 and 3 Guest: notified 0, pinged 39062-39063(39063) Host: notified 39062-39063(39063), pinged 0 Wall time:1.760000-2.220000(1.789167) Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Reviewed-by: Wanlong Gao <gaowanlong@cn.fujitsu.com> Reviewed-by: Asias He <asias@redhat.com>
2013-03-20scatterlist: introduce sg_unmark_endPaolo Bonzini3-2/+18
This is useful in places that recycle the same scatterlist multiple times, and do not want to incur the cost of sg_init_table every time in hot paths. Acked-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-03-20caif_virtio: Introduce caif over virtioErwan Yvin5-0/+827
Add the CAIF Virtio shared memory driver for talking to a modem. This CAIF Link layer communicates to the modem over shared memory. It is implemented as a virtio_driver. The underlying virtio device is managed by the remoteproc framework. The Virtio queue is used for transmitting data to the modem, and the new vringh is used for receiving data. Genalloc is used for managing the shared memory used for TX data. The default dma-alloc-coherent allocator can only allocate whole pages, and this wastes too much shared memory. Flow control is implemented by stopping the TX-queues if the virtio queues go full or we run out of memory. Queued are reopened when queues are below the watermark. NAPI is used in RX path, and a dedicated tasklet is used for releasing TX buffers. Signed-off-by: Erwan Yvin <erwan.yvin@stericsson.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (minor fixes)
2013-03-20virtio: Introduce vringh wrappers in virtio_configSjur Brændeland2-0/+32
Add wrappers for the host vrings to support loose coupling between the virtio device and driver. A new struct vringh_config_ops with the functions find_vrhs() and del_vrhs() is added to the virtio_device struct. This enables virtio drivers to manage virtio host rings without detailed knowledge of how the vrings are created and deleted. The function vringh_notify() is added so vringh clients can notify the other side that buffers are added to the used-ring. Cc: Ohad Ben-Cohen <ohad@wizery.com> Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (constified vringh_config)
2013-03-20tools/virtio: add vring_test.Rusty Russell3-4/+747
This is mainly to test the drivers/vhost/vringh.c code, but it also uses the drivers/virtio/virtio_ring.c code for the guest side. Usage for testing the basic implementation: ./vringh_test # Test with indirect descriptors ./vringh_test --indirect # Test with indirect descriptors and event indexex ./vringh_test --indirect --eventidx You can run a parallel stress test by adding --parallel to any of the above options. eg ./vringh_test --parallel: Using CPUS 0 and 3 Guest: notified 10107974, pinged 107970 Host: notified 108158, pinged 3172148 ./vringh_test --indirect --eventidx --parallel: Using CPUS 0 and 3 Guest: notified 156357, pinged 156251 Host: notified 156251, pinged 78179 Average of 50 times doing ./vringh_test --indirect --eventidx --parallel: 2.840000-3.040000(2.927292)user Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-03-20vringh: host-side implementation of virtio rings.Rusty Russell6-1/+1215
Getting use of virtio rings correct is tricky, and a recent patch saw an implementation of in-kernel rings (as separate from userspace). This abstracts the business of dealing with the virtio ring layout from the access (userspace or direct); to do this, we use function pointers, which gcc inlines correctly. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Michael S. Tsirkin <mst@redhat.com>
2013-03-20tools/virtio: separate headers more.Rusty Russell21-147/+450
This makes them a bit more like the kernel headers, so we can include more real kernel headers in our tests. In addition this means that we don't break tools/virtio with the next patch. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-03-20virtio_ring: expose virtio barriers for use in vringh.Rusty Russell2-27/+63
The host side of ring needs this logic too. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-03-20tools/virtio: fix build for 3.8Michael S. Tsirkin4-4/+12
Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-03-12Remove Documentation/virtual/virtio-spec.txtRusty Russell2-3213/+0
We haven't been keeping it in sync, so just remove it. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-03-12virtio-blk: emit udev event when device is resizedMilos Vyletel1-0/+2
When virtio-blk device is resized from host (using block_resize from QEMU) emit KOBJ_CHANGE uevent to notify guest about such change. This allows user to have custom udev rules which would take whatever action if such event occurs. As a proof of concept I've created simple udev rule that automatically resize filesystem on virtio-blk device. ACTION=="change", KERNEL=="vd*", \ ENV{RESIZE}=="1", \ ENV{ID_FS_TYPE}=="ext[3-4]", \ RUN+="/sbin/resize2fs /dev/%k" ACTION=="change", KERNEL=="vd*", \ ENV{RESIZE}=="1", \ ENV{ID_FS_TYPE}=="LVM2_member", \ RUN+="/sbin/pvresize /dev/%k" Signed-off-by: Milos Vyletel <milos.vyletel@sde.cz> Tested-by: Asias He <asias@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (minor simplification)
2013-03-12virtio-scsi: use pr_err() instead of printk()Wanlong Gao1-4/+4
Convert the virtio-scsi driver to use pr_err() instead of printk(). Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-03-07lguest: fix paths in commentsWanlong Gao2-4/+3
After commit 07fe997, lguest tool has already moved from Documentation/virtual/lguest/ to tools/lguest/. Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-03-03Linux 3.9-rc1Linus Torvalds1-2/+2
2013-03-03Merge tag 'disintegrate-fbdev-20121220' of git://git.infradead.org/users/dhowells/linux-headersLinus Torvalds8-254/+284
Pull fbdev UAPI disintegration from David Howells: "You'll be glad to here that the end is nigh for the UAPI patches. Only the fbdev/framebuffer piece remains now that the SCSI stuff has gone in. Here are the UAPI disintegration bits for the fbdev drivers. It appears that Florian hasn't had time to deal with my patch, but back in December he did say he didn't mind if I pushed it forward." Yay. No more uapi movement. And hopefully no more big header file cleanups coming up either, it just tends to be very painful. * tag 'disintegrate-fbdev-20121220' of git://git.infradead.org/users/dhowells/linux-headers: UAPI: (Scripted) Disintegrate include/video
2013-03-03Merge tag 'stable/for-linus-3.9-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xenLinus Torvalds5-49/+57
Pull Xen bug-fixes from Konrad Rzeszutek Wilk: - Update the Xen ACPI memory and CPU hotplug locking mechanism. - Fix PAT issues wherein various applications would not start - Fix handling of multiple MSI as AHCI now does it. - Fix ARM compile failures. * tag 'stable/for-linus-3.9-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: xenbus: fix compile failure on ARM with Xen enabled xen/pci: We don't do multiple MSI's. xen/pat: Disable PAT using pat_enabled value. xen/acpi: xen cpu hotplug minor updates xen/acpi: xen memory hotplug minor updates
2013-03-03Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds26-171/+108
Pull more VFS bits from Al Viro: "Unfortunately, it looks like xattr series will have to wait until the next cycle ;-/ This pile contains 9p cleanups and fixes (races in v9fs_fid_add() etc), fixup for nommu breakage in shmem.c, several cleanups and a bit more file_inode() work" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: constify path_get/path_put and fs_struct.c stuff fix nommu breakage in shmem.c cache the value of file_inode() in struct file 9p: if v9fs_fid_lookup() gets to asking server, it'd better have hashed dentry 9p: make sure ->lookup() adds fid to the right dentry 9p: untangle ->lookup() a bit 9p: double iput() in ->lookup() if d_materialise_unique() fails 9p: v9fs_fid_add() can't fail now v9fs: get rid of v9fs_dentry 9p: turn fid->dlist into hlist 9p: don't bother with private lock in ->d_fsdata; dentry->d_lock will do just fine more file_inode() open-coded instances selinux: opened file can't have NULL or negative ->f_path.dentry (In the meantime, the hlist traversal macros have changed, so this required a semantic conflict fixup for the newly hlistified fid->dlist)
2013-03-03Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfsLinus Torvalds1-0/+1
Pull btrfs fixup from Chris Mason: "Geert and James both sent this one in, sorry guys" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: btrfs/raid56: Add missing #include <linux/vmalloc.h>
2013-03-03Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linuxLinus Torvalds17-144/+172
Pull second set of s390 patches from Martin Schwidefsky: "The main part of this merge are Heikos uaccess patches. Together with commit 09884964335e ("mm: do not grow the stack vma just because of an overrun on preceding vma") the user string access is hopefully fixed for good. In addition some bug fixes and two cleanup patches." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/module: fix compile warning qdio: remove unused parameters s390/uaccess: fix kernel ds access for page table walk s390/uaccess: fix strncpy_from_user string length check input: disable i8042 PC Keyboard controller for s390 s390/dis: Fix invalid array size s390/uaccess: remove pointless access_ok() checks s390/uaccess: fix strncpy_from_user/strnlen_user zero maxlen case s390/uaccess: shorten strncpy_from_user/strnlen_user s390/dasd: fix unresponsive device after all channel paths were lost s390/mm: ignore change bit for vmemmap s390/page table dumper: add support for change-recording override bit
2013-03-03Merge branch 'fixes-for-3.9-latest' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linuxLinus Torvalds8-13/+21
Pull second round of PARISC updates from Helge Deller: "The most important fix in this branch is the switch of io_setup, io_getevents and io_submit syscalls to use the available compat syscalls when running 32bit userspace on 64bit kernel. Other than that it's mostly removal of compile warnings." * 'fixes-for-3.9-latest' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: fix redefinition of SET_PERSONALITY parisc: do not install modules when installing kernel parisc: fix compile warnings triggered by atomic_sub(sizeof(),v) parisc: check return value of down_interruptible() in hp_sdc_rtc.c parisc: avoid unitialized variable warning in pa_memcpy() parisc: remove unused variable 'compat_val' parisc: switch to compat_functions of io_setup, io_getevents and io_submit parisc: select ARCH_WANT_FRAME_POINTERS
2013-03-03Merge tag 'metag-v3.9-rc1-v4' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metagLinus Torvalds200-8/+26934
Pull new ImgTec Meta architecture from James Hogan: "This adds core architecture support for Imagination's Meta processor cores, followed by some later miscellaneous arch/metag cleanups and fixes which I kept separate to ease review: - Support for basic Meta 1 (ATP) and Meta 2 (HTP) core architecture - A few fixes all over, particularly for symbol prefixes - A few privilege protection fixes - Several cleanups (setup.c includes, split out a lot of metag_ksyms.c) - Fix some missing exports - Convert hugetlb to use vm_unmapped_area() - Copy device tree to non-init memory - Provide dma_get_sgtable()" * tag 'metag-v3.9-rc1-v4' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag: (61 commits) metag: Provide dma_get_sgtable() metag: prom.h: remove declaration of metag_dt_memblock_reserve() metag: copy devicetree to non-init memory metag: cleanup metag_ksyms.c includes metag: move mm/init.c exports out of metag_ksyms.c metag: move usercopy.c exports out of metag_ksyms.c metag: move setup.c exports out of metag_ksyms.c metag: move kick.c exports out of metag_ksyms.c metag: move traps.c exports out of metag_ksyms.c metag: move irq enable out of irqflags.h on SMP genksyms: fix metag symbol prefix on crc symbols metag: hugetlb: convert to vm_unmapped_area() metag: export clear_page and copy_page metag: export metag_code_cache_flush_all metag: protect more non-MMU memory regions metag: make TXPRIVEXT bits explicit metag: kernel/setup.c: sort includes perf: Enable building perf tools for Meta metag: add boot time LNKGET/LNKSET check metag: add __init to metag_cache_probe() ...
2013-03-03Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-armLinus Torvalds9-29/+36
Pull late ARM updates from Russell King: "Here is the late set of ARM updates for this merge window; in here is: - The ARM parts of the broadcast timer support, core parts merged through tglx's tree. This was left over from the previous merge to allow the dependency on tglx's tree to be resolved. - A fix to the VFP code which shows up on Raspberry Pi's, as well as fixing the fallout from a previous commit in this area. - A number of smaller fixes scattered throughout the ARM tree" * 'for-linus' of git://git.linaro.org/people/rmk/linux-arm: ARM: Fix broken commit 0cc41e4a21d43 corrupting kernel messages ARM: fix scheduling while atomic warning in alignment handling code ARM: VFP: fix emulation of second VFP instruction ARM: 7656/1: uImage: Error out on build of multiplatform without LOADADDR ARM: 7640/1: memory: tegra_ahb_enable_smmu() depends on TEGRA_IOMMU_SMMU ARM: 7654/1: Preserve L_PTE_VALID in pte_modify() ARM: 7653/2: do not scale loops_per_jiffy when using a constant delay clock ARM: 7651/1: remove unused smp_timer_broadcast #define
2013-03-03Merge tag 'char-misc-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-miscLinus Torvalds3-8/+10
Pull char/misc patch from Greg Kroah-Hartman: "Here is one remaining patch for 3.9-rc1. It is for the hyper-v drivers, and had to wait until some other patches went in through the x86 tree." Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> * tag 'char-misc-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: Drivers: hv: vmbus: Use the new infrastructure for delivering VMBUS interrupts
2013-03-03Merge tag 'usb-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usbLinus Torvalds1-15/+14
Pull USB patch revert from Greg Kroah-Hartman: "Here is one remaining USB patch for 3.9-rc1, it reverts a 3.8 patch that has caused a lot of regressions for some VIA EHCI controllers." * tag 'usb-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: USB: EHCI: revert "remove ASS/PSS polling timeout"
2013-03-03Merge git://www.linux-watchdog.org/linux-watchdogLinus Torvalds31-856/+888
Pull watchdog updates from Wim Van Sebroeck: "This contains: - fixes and improvements - devicetree bindings - conversion to watchdog generic framework of the following drivers: - booke_wdt - bcm47xx_wdt.c - at91sam9_wdt - Removal of old STMP3xxx driver - Addition of following new drivers: - new driver for STMP3xxx and i.MX23/28 - Retu watchdog driver" * git://www.linux-watchdog.org/linux-watchdog: (30 commits) watchdog: sp805_wdt depends on ARM watchdog: davinci_wdt: update to devm_* API watchdog: davinci_wdt: use devm managed clk get watchdog: at91rm9200: add DT support watchdog: add timeout-sec property binding watchdog: at91sam9_wdt: Convert to use the watchdog framework watchdog: omap_wdt: Add option nowayout watchdog: core: dt: add support for the timeout-sec dt property watchdog: bcm47xx_wdt.c: add hard timer watchdog: bcm47xx_wdt.c: rename wdt_time to timeout watchdog: bcm47xx_wdt.c: rename ops methods watchdog: bcm47xx_wdt.c: use platform device watchdog: bcm47xx_wdt.c: convert to watchdog core api watchdog: Convert BookE watchdog driver to watchdog infrastructure watchdog: s3c2410_wdt: Use devm_* functions watchdog: remove old STMP3xxx driver watchdog: add new driver for STMP3xxx and i.MX23/28 rtc: stmp3xxx: add wdt-accessor function watchdog: introduce retu_wdt driver watchdog: intel_scu_watchdog: fix Kconfig dependency ...
2013-03-03Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dmaLinus Torvalds5-116/+127
Pull second set of slave-dmaengine updates from Vinod Koul: "Arnd's patch moves the dw_dmac to use generic DMA binding. I agreed to merge this late as it will avoid the conflicts between trees. The second patch from Matt adding a dma_request_slave_channel_compat API was supposed to be picked up, but somehow never got picked up. Some patches dependent on this are already in -next :(" * 'next' of git://git.infradead.org/users/vkoul/slave-dma: dmaengine: dw_dmac: move to generic DMA binding dmaengine: add dma_request_slave_channel_compat()
2013-03-03Merge branch 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86Linus Torvalds15-273/+1375
Pull x86 platform driver updates from Matthew Garrett: "Mostly relatively small updates, along with some hardware enablement for Sony hardware and a pile of updates to Google's Chromebook driver" * 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86: (49 commits) ideapad-laptop: Depend on BACKLIGHT_CLASS_DEVICE instead of selecting it ideapad: depends on backlight subsystem and update comment Platform: x86: chromeos_laptop - add i915 gmbuses to adapter names Platform: x86: chromeos_laptop - Add isl light sensor for Pixel Platform: x86: chromeos_laptop - Add a more general add_i2c_device Platform: x86: chromeos_laptop - Add Pixel Touchscreen Platform: x86: chromeos_laptop - Add support for probing devices Platform: x86: chromeos_laptop - Add Pixel Trackpad hp-wmi: fix handling of platform device sony-laptop: leak in error handling sony_nc_lid_resume_setup() hp-wmi: Add support for SMBus hotkeys asus-wmi: Fix unused function build warning acer-wmi: avoid the warning of 'devices' may be used uninitialized drivers/platform/x86/thinkpad_acpi.c: Handle HKEY event 0x6040 Platform: x86: chromeos_laptop - Add HP Pavilion 14 Platform: x86: chromeos_laptop - Add Taos tsl2583 device Platform: x86: chromeos_laptop - Add Taos tsl2563 device Platform: x86: chromeos_laptop - Add Acer C7 trackpad Platform: x86: chromeos_laptop - Rename setup_lumpy_tp to setup_cyapa_smbus_tp asus-laptop: always report brightness key events ...
2013-03-03btrfs/raid56: Add missing #include <linux/vmalloc.h>Geert Uytterhoeven1-0/+1
tilegx_defconfig: fs/btrfs/raid56.c: In function 'btrfs_alloc_stripe_hash_table': fs/btrfs/raid56.c:206:3: error: implicit declaration of function 'vzalloc' [-Werror=implicit-function-declaration] fs/btrfs/raid56.c:206:9: warning: assignment makes pointer from integer without a cast [enabled by default] fs/btrfs/raid56.c:226:4: error: implicit declaration of function 'vfree' [-Werror=implicit-function-declaration] Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
2013-03-02Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4Linus Torvalds9-82/+79
Pull ext4 bug fixes from Ted Ts'o: "Various bug fixes for ext4. The most important is a fix for the new extent cache's slab shrinker which can cause significant, user-visible pauses when the system is under memory pressure." * tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: enable quotas before orphan cleanup ext4: don't allow quota mount options when quota feature enabled ext4: fix a warning from sparse check for ext4_dir_llseek ext4: convert number of blocks to clusters properly ext4: fix possible memory leak in ext4_remount() jbd2: fix ERR_PTR dereference in jbd2__journal_start ext4: use percpu counter for extent cache count ext4: optimize ext4_es_shrink()
2013-03-02Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signalLinus Torvalds1-1/+1
Pull sigprocmask compat fix from Al Viro: "generic compat_sys_rt_sigprocmask() had a very dumb braino; I'd spent quite a while staring at the offending commit before finally managing to spot the idiocy ;-/" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal: fix compat_sys_rt_sigprocmask()
2013-03-02fix compat_sys_rt_sigprocmask()Al Viro1-1/+1
Converting bitmask to 32bit granularity is fine, but we'd better _do_ something with the result. Such as "copy it to userland"... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-03-02Merge tag 'nfs-for-3.9-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds11-24/+77
Pull NFS client bugfixes from Trond Myklebust: "We've just concluded another Connectathon interoperability testing week, and so here are the fixes for the bugs that were discovered: - Don't allow NFS silly-renamed files to be deleted - Don't start the retransmission timer when out of socket space - Fix a couple of pnfs-related Oopses. - Fix one more NFSv4 state recovery deadlock - Don't loop forever when LAYOUTGET returns NFS4ERR_LAYOUTTRYLATER" * tag 'nfs-for-3.9-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: SUNRPC: One line comment fix NFSv4.1: LAYOUTGET EDELAY loops timeout to the MDS SUNRPC: add call to get configured timeout PNFS: set the default DS timeout to 60 seconds NFSv4: Fix another open/open_recovery deadlock nfs: don't allow nfs_find_actor to match inodes of the wrong type NFSv4.1: Hold reference to layout hdr in layoutget pnfs: fix resend_to_mds for directio SUNRPC: Don't start the retransmission timer when out of socket space NFS: Don't allow NFS silly-renamed files to be deleted, no signal
2013-03-02Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfsLinus Torvalds48-1019/+5443
Pull btrfs update from Chris Mason: "The biggest feature in the pull is the new (and still experimental) raid56 code that David Woodhouse started long ago. I'm still working on the parity logging setup that will avoid inconsistent parity after a crash, so this is only for testing right now. But, I'd really like to get it out to a broader audience to hammer out any performance issues or other problems. scrub does not yet correct errors on raid5/6 either. Josef has another pass at fsync performance. The big change here is to combine waiting for metadata with waiting for data, which is a big latency win. It is also step one toward using atomics from the hardware during a commit. Mark Fasheh has a new way to use btrfs send/receive to send only the metadata changes. SUSE is using this to make snapper more efficient at finding changes between snapshosts. Snapshot-aware defrag is also included. Otherwise we have a large number of fixes and cleanups. Eric Sandeen wins the award for removing the most lines, and I'm hoping we steal this idea from XFS over and over again." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: (118 commits) btrfs: fixup/remove module.h usage as required Btrfs: delete inline extents when we find them during logging btrfs: try harder to allocate raid56 stripe cache Btrfs: cleanup to make the function btrfs_delalloc_reserve_metadata more logic Btrfs: don't call btrfs_qgroup_free if just btrfs_qgroup_reserve fails Btrfs: remove reduplicate check about root in the function btrfs_clean_quota_tree Btrfs: return ENOMEM rather than use BUG_ON when btrfs_alloc_path fails Btrfs: fix missing deleted items in btrfs_clean_quota_tree btrfs: use only inline_pages from extent buffer Btrfs: fix wrong reserved space when deleting a snapshot/subvolume Btrfs: fix wrong reserved space in qgroup during snap/subv creation Btrfs: remove unnecessary dget_parent/dput when creating the pending snapshot btrfs: remove a printk from scan_one_device Btrfs: fix NULL pointer after aborting a transaction Btrfs: fix memory leak of log roots Btrfs: copy everything if we've created an inline extent btrfs: cleanup for open-coded alignment Btrfs: do not change inode flags in rename Btrfs: use reserved space for creating a snapshot clear chunk_alloc flag on retryable failure ...
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