- 11 1月, 2017 19 次提交
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由 Bart Van Assche 提交于
Avoid that calling check_rkey() for mem->state == RXE_MEM_STATE_FREE triggers an MR reference leak. Signed-off-by: NBart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: NAndrew Boyer <andrew.boyer@dell.com> Cc: Moni Shoua <monis@mellanox.com> Signed-off-by: NDoug Ledford <dledford@redhat.com>
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由 Bart Van Assche 提交于
Change do_complete() such that an error completion is not only generated if a QP is in the error state but also if a work request failed. Signed-off-by: NBart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: NAndrew Boyer <andrew.boyer@dell.com> Cc: Moni Shoua <monis@mellanox.com> Signed-off-by: NDoug Ledford <dledford@redhat.com>
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由 Bart Van Assche 提交于
This change makes the code easier to read and avoids that code is duplicated. Signed-off-by: NBart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: NAndrew Boyer <andrew.boyer@dell.com> Cc: Moni Shoua <monis@mellanox.com> Signed-off-by: NDoug Ledford <dledford@redhat.com>
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由 Bart Van Assche 提交于
Since index values equal to or above 'range' can trigger memory corruption, complain if index >= range. Signed-off-by: NBart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: NAndrew Boyer <andrew.boyer@dell.com> Cc: Moni Shoua <monis@mellanox.com> Signed-off-by: NDoug Ledford <dledford@redhat.com>
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由 Bart Van Assche 提交于
It is strongly recommended to report kernel warnings once instead of every time a condition is hit. Hence change WARN_ON() into WARN_ON_ONCE() / BUILD_BUG_ON() as appropriate. Signed-off-by: NBart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: NLeon Romanovsky <leonro@mellanox.com> Reviewed-by: NAndrew Boyer <andrew.boyer@dell.com> Cc: Moni Shoua <monis@mellanox.com> Signed-off-by: NDoug Ledford <dledford@redhat.com>
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由 Bart Van Assche 提交于
Change the argument type of these functions from void * into struct rxe_pool_entry *. Signed-off-by: NBart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: NLeon Romanovsky <leonro@mellanox.com> Reviewed-by: NAndrew Boyer <andrew.boyer@dell.com> Cc: Moni Shoua <monis@mellanox.com> Signed-off-by: NDoug Ledford <dledford@redhat.com>
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由 Bart Van Assche 提交于
Let the compiler check the type of the arguments passed to SKB_TO_PKT() and PKT_TO_SKB(). Signed-off-by: NBart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: NLeon Romanovsky <leonro@mellanox.com> Reviewed-by: NAndrew Boyer <andrew.boyer@dell.com> Cc: Moni Shoua <monis@mellanox.com> Signed-off-by: NDoug Ledford <dledford@redhat.com>
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由 Bart Van Assche 提交于
Casting a pointer to 'void *' explicitly is not necessary in C code. Signed-off-by: NBart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: NLeon Romanovsky <leonro@mellanox.com> Reviewed-by: NAndrew Boyer <andrew.boyer@dell.com> Cc: Moni Shoua <monis@mellanox.com> Signed-off-by: NDoug Ledford <dledford@redhat.com>
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由 Bart Van Assche 提交于
The variable 'av' is not used so remove it. Since that change removes the last user of the 'wqe' argument, remove that argument too. Signed-off-by: NBart Van Assche <bart.vanassche@sandisk.com> Cc: Andrew Boyer <andrew.boyer@dell.com> Cc: Moni Shoua <monis@mellanox.com> Signed-off-by: NDoug Ledford <dledford@redhat.com>
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由 Bart Van Assche 提交于
Signed-off-by: NBart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: NLeon Romanovsky <leonro@mellanox.com> Reviewed-by: NAndrew Boyer <andrew.boyer@dell.com> Cc: Moni Shoua <monis@mellanox.com> Signed-off-by: NDoug Ledford <dledford@redhat.com>
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由 Bart Van Assche 提交于
Signed-off-by: NBart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: NLeon Romanovsky <leonro@mellanox.com> Reviewed-by: NAndrew Boyer <andrew.boyer@dell.com> Cc: Moni Shoua <monis@mellanox.com> Signed-off-by: NDoug Ledford <dledford@redhat.com>
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由 Bart Van Assche 提交于
Avoid that sparse complains about using 0 as a pointer, about missing function declarations and also avoid that sparse complains about endianness. Signed-off-by: NBart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: NLeon Romanovsky <leonro@mellanox.com> Reviewed-by: NAndrew Boyer <andrew.boyer@dell.com> Cc: Moni Shoua <monis@mellanox.com> Signed-off-by: NDoug Ledford <dledford@redhat.com>
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由 Selvin Xavier 提交于
Update the if_ether.h with the ethertype for Infiniband over Ethernet packets. Also, removing the occurances of 0x8915 from infiniband vendor drivers. Signed-off-by: NSelvin Xavier <selvin.xavier@broadcom.com> Reviewed-by: NLeon Romanovsky <leonro@mellanox.com> Signed-off-by: NDoug Ledford <dledford@redhat.com>
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由 Leon Romanovsky 提交于
MAD and HFI1 have different naming convention, this patch simplifies and unifies their defines and names. As part of cleanup, the HFI1 _NUM() macro and command indexes were removed (controversial). This will cause intentional (and arguably unnecessary) breakage to the PSM user space library. Signed-off-by: NMatan Barak <matanb@mellanox.com> Signed-off-by: NHaggai Eran <haggaie@mellanox.com> Signed-off-by: NLeon Romanovsky <leonro@mellanox.com> Reviewed-by: NJason Gunthorpe <jgunthorpe@obsidianresearch.com> Signed-off-by: NDoug Ledford <dledford@redhat.com>
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由 Leon Romanovsky 提交于
Rename RDMA magic number to better describe IOCTLs. Signed-off-by: NMatan Barak <matanb@mellanox.com> Signed-off-by: NHaggai Eran <haggaie@mellanox.com> Signed-off-by: NLeon Romanovsky <leonro@mellanox.com> Reviewed-by: NJason Gunthorpe <jgunthorpe@obsidianresearch.com> Signed-off-by: NDoug Ledford <dledford@redhat.com>
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由 Leon Romanovsky 提交于
Move HFI1 IOCTL declarations to rdma_user_ioctl.h file. Signed-off-by: NMatan Barak <matanb@mellanox.com> Signed-off-by: NHaggai Eran <haggaie@mellanox.com> Signed-off-by: NLeon Romanovsky <leonro@mellanox.com> Reviewed-by: NJason Gunthorpe <jgunthorpe@obsidianresearch.com> Signed-off-by: NDoug Ledford <dledford@redhat.com>
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由 Leon Romanovsky 提交于
Move hfi1 ioctl definitions to a new header which can be included by both the hfi1 and qib drivers to avoid a duplicate enum definition as shown in this build error for qib: CC [M] drivers/infiniband/hw/qib/qib_sysfs.o In file included from ./include/uapi/rdma/rdma_user_ioctl.h:39:0, from include/uapi/rdma/ib_user_mad.h:38, from include/rdma/ib_mad.h:43, from include/rdma/ib_pma.h:38, from drivers/infiniband/hw/qib/qib_mad.h:37, from drivers/infiniband/hw/qib/qib_init.c:49: ./include/uapi/rdma/hfi/hfi1_user.h:370:2: error: redeclaration of enumerator ‘ur_rcvhdrtail’ ur_rcvhdrtail = 0, Move hfi1 structures to separate file to avoid this failure. The actual move of the ioctl definitions comes in a follow on patch. Signed-off-by: NMatan Barak <matanb@mellanox.com> Signed-off-by: NHaggai Eran <haggaie@mellanox.com> Signed-off-by: NLeon Romanovsky <leonro@mellanox.com> Reviewed-by: NJason Gunthorpe <jgunthorpe@obsidianresearch.com> Signed-off-by: NDoug Ledford <dledford@redhat.com>
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由 Leon Romanovsky 提交于
Move legacy MAD IOCTL declarations to rdma_user_ioctl.h file. Signed-off-by: NMatan Barak <matanb@mellanox.com> Signed-off-by: NHaggai Eran <haggaie@mellanox.com> Signed-off-by: NLeon Romanovsky <leonro@mellanox.com> Reviewed-by: NJason Gunthorpe <jgunthorpe@obsidianresearch.com> Signed-off-by: NDoug Ledford <dledford@redhat.com>
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由 Leon Romanovsky 提交于
This patch provides one common file (rdma_user_ioctl.h) for all RDMA UAPI IOCTLs. Signed-off-by: NMatan Barak <matanb@mellanox.com> Signed-off-by: NHaggai Eran <haggaie@mellanox.com> Signed-off-by: NLeon Romanovsky <leonro@mellanox.com> Reviewed-by: NJason Gunthorpe <jgunthorpe@obsidianresearch.com> Signed-off-by: NDoug Ledford <dledford@redhat.com>
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- 09 1月, 2017 4 次提交
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由 Linus Torvalds 提交于
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb由 Linus Torvalds 提交于
Pull USB fixes from Greg KH: "Here are a bunch of USB fixes for 4.10-rc3. Yeah, it's a lot, an artifact of the holiday break I think. Lots of gadget and the usual XHCI fixups for reported issues (one day that driver will calm down...) Also included are a bunch of usb-serial driver fixes, and for good measure, a number of much-reported MUSB driver issues have finally been resolved. All of these have been in linux-next with no reported issues" * tag 'usb-4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (72 commits) USB: fix problems with duplicate endpoint addresses usb: ohci-at91: use descriptor-based gpio APIs correctly usb: storage: unusual_uas: Add JMicron JMS56x to unusual device usb: hub: Move hub_port_disable() to fix warning if PM is disabled usb: musb: blackfin: add bfin_fifo_offset in bfin_ops usb: musb: fix compilation warning on unused function usb: musb: Fix trying to free already-free IRQ 4 usb: musb: dsps: implement clear_ep_rxintr() callback usb: musb: core: add clear_ep_rxintr() to musb_platform_ops USB: serial: ti_usb_3410_5052: fix NULL-deref at open USB: serial: spcp8x5: fix NULL-deref at open USB: serial: quatech2: fix sleep-while-atomic in close USB: serial: pl2303: fix NULL-deref at open USB: serial: oti6858: fix NULL-deref at open USB: serial: omninet: fix NULL-derefs at open and disconnect USB: serial: mos7840: fix misleading interrupt-URB comment USB: serial: mos7840: remove unused write URB USB: serial: mos7840: fix NULL-deref at open USB: serial: mos7720: remove obsolete port initialisation USB: serial: mos7720: fix parallel probe ...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc由 Linus Torvalds 提交于
Pull char/misc fixes from Greg KH: "Here are a few small char/misc driver fixes for 4.10-rc3. Two MEI driver fixes, and three NVMEM patches for reported issues, and a new Hyper-V driver MAINTAINER update. Nothing major at all, all have been in linux-next with no reported issues" * tag 'char-misc-4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: hyper-v: Add myself as additional MAINTAINER nvmem: fix nvmem_cell_read() return type doc nvmem: imx-ocotp: Fix wrong register size nvmem: qfprom: Allow single byte accesses for read/write mei: move write cb to completion on credentials failures mei: bus: fix mei_cldev_enable KDoc
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging由 Linus Torvalds 提交于
Pull staging/IIO fixes from Greg KH: "Here are some staging and IIO driver fixes for 4.10-rc3. Most of these are minor IIO fixes of reported issues, along with one network driver fix to resolve an issue. And a MAINTAINERS update with a new mailing list. All of these, except the MAINTAINERS file update, have been in linux-next with no reported issues (the MAINTAINERS patch happened on Friday...)" * tag 'staging-4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: MAINTAINERS: add greybus subsystem mailing list staging: octeon: Call SET_NETDEV_DEV() iio: accel: st_accel: fix LIS3LV02 reading and scaling iio: common: st_sensors: fix channel data parsing iio: max44000: correct value in illuminance_integration_time_available iio: adc: TI_AM335X_ADC should depend on HAS_DMA iio: bmi160: Fix time needed to sleep after command execution iio: 104-quad-8: Fix active level mismatch for the preset enable option iio: 104-quad-8: Fix off-by-one errors when addressing IOR iio: 104-quad-8: Fix index control configuration
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- 08 1月, 2017 4 次提交
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由 Johannes Weiner 提交于
Several people report seeing warnings about inconsistent radix tree nodes followed by crashes in the workingset code, which all looked like use-after-free access from the shadow node shrinker. Dave Jones managed to reproduce the issue with a debug patch applied, which confirmed that the radix tree shrinking indeed frees shadow nodes while they are still linked to the shadow LRU: WARNING: CPU: 2 PID: 53 at lib/radix-tree.c:643 delete_node+0x1e4/0x200 CPU: 2 PID: 53 Comm: kswapd0 Not tainted 4.10.0-rc2-think+ #3 Call Trace: delete_node+0x1e4/0x200 __radix_tree_delete_node+0xd/0x10 shadow_lru_isolate+0xe6/0x220 __list_lru_walk_one.isra.4+0x9b/0x190 list_lru_walk_one+0x23/0x30 scan_shadow_nodes+0x2e/0x40 shrink_slab.part.44+0x23d/0x5d0 shrink_node+0x22c/0x330 kswapd+0x392/0x8f0 This is the WARN_ON_ONCE(!list_empty(&node->private_list)) placed in the inlined radix_tree_shrink(). The problem is with 14b46879 ("mm: workingset: move shadow entry tracking to radix tree exceptional tracking"), which passes an update callback into the radix tree to link and unlink shadow leaf nodes when tree entries change, but forgot to pass the callback when reclaiming a shadow node. While the reclaimed shadow node itself is unlinked by the shrinker, its deletion from the tree can cause the left-most leaf node in the tree to be shrunk. If that happens to be a shadow node as well, we don't unlink it from the LRU as we should. Consider this tree, where the s are shadow entries: root->rnode | [0 n] | | [s ] [sssss] Now the shadow node shrinker reclaims the rightmost leaf node through the shadow node LRU: root->rnode | [0 ] | [s ] Because the parent of the deleted node is the first level below the root and has only one child in the left-most slot, the intermediate level is shrunk and the node containing the single shadow is put in its place: root->rnode | [s ] The shrinker again sees a single left-most slot in a first level node and thus decides to store the shadow in root->rnode directly and free the node - which is a leaf node on the shadow node LRU. root->rnode | s Without the update callback, the freed node remains on the shadow LRU, where it causes later shrinker runs to crash. Pass the node updater callback into __radix_tree_delete_node() in case the deletion causes the left-most branch in the tree to collapse too. Also add warnings when linked nodes are freed right away, rather than wait for the use-after-free when the list is scanned much later. Fixes: 14b46879 ("mm: workingset: move shadow entry tracking to radix tree exceptional tracking") Reported-by: NDave Chinner <david@fromorbit.com> Reported-by: NHugh Dickins <hughd@google.com> Reported-by: NAndrea Arcangeli <aarcange@redhat.com> Reported-and-tested-by: NDave Jones <davej@codemonkey.org.uk> Signed-off-by: NJohannes Weiner <hannes@cmpxchg.org> Cc: Christoph Hellwig <hch@lst.de> Cc: Chris Leech <cleech@redhat.com> Cc: Lee Duncan <lduncan@suse.com> Cc: Jan Kara <jack@suse.cz> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Matthew Wilcox <mawilcox@linuxonhyperv.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Hugh Dickins 提交于
4.10-rc loadtest (even on x86, and even without THPCache) fails with "fork: Cannot allocate memory" or some such; and /proc/meminfo shows PageTables growing. Commit 953c66c2 ("mm: THP page cache support for ppc64") that got merged in rc1 removed the freeing of an unused preallocated pagetable after do_fault_around() has called map_pages(). This is usually a good optimization, so that the followup doesn't have to reallocate one; but it's not sufficient to shift the freeing into alloc_set_pte(), since there are failure cases (most commonly VM_FAULT_RETRY) which never reach finish_fault(). Check and free it at the outer level in do_fault(), then we don't need to worry in alloc_set_pte(), and can restore that to how it was (I cannot find any reason to pte_free() under lock as it was doing). And fix a separate pagetable leak, or crash, introduced by the same change, that could only show up on some ppc64: why does do_set_pmd()'s failure case attempt to withdraw a pagetable when it never deposited one, at the same time overwriting (so leaking) the vmf->prealloc_pte? Residue of an earlier implementation, perhaps? Delete it. Fixes: 953c66c2 ("mm: THP page cache support for ppc64") Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Michael Neuling <mikey@neuling.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Balbir Singh <bsingharora@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: NHugh Dickins <hughd@google.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild由 Linus Torvalds 提交于
Pull kbuild fix from Michal Marek: "The asm-prototypes.h file added in the last merge window results in invalid code with CONFIG_KMEMCHECK=y. The net result is that genksyms segfaults. This pull request fixes the header, the genksyms fix is in my kbuild branch for 4.11" * 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: asm-prototypes: Clear any CPP defines before declaring the functions
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由 Greg Kroah-Hartman 提交于
The Greybus driver subsystem has a mailing list, so list it in the MAINTAINERS file so that people know to send patches there as well. Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: NJohan Hovold <johan@kernel.org> Reviewed-by: NViresh Kumar <viresh.kumar@linaro.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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- 07 1月, 2017 11 次提交
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound由 Linus Torvalds 提交于
Pull sound fixes from Takashi Iwai: "Nothing particular stands out, only a few small fixes for USB-audio, HD-audio and Firewire. The USB-audio fix is the respin of the previous race fix after a revert due to the regression" * tag 'sound-4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: Revert "ALSA: firewire-lib: change structure member with proper type" ALSA: usb-audio: test EP_FLAG_RUNNING at urb completion ALSA: usb-audio: Fix irq/process data synchronization ALSA: hda - Apply asus-mode8 fixup to ASUS X71SL ALSA: hda - Fix up GPIO for ASUS ROG Ranger ALSA: firewire-lib: change structure member with proper type ALSA: firewire-tascam: Fix to handle error from initialization of stream data ALSA: fireworks: fix asymmetric API call at unit removal
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux由 Linus Torvalds 提交于
Pull clk fixes from Stephen Boyd: "One fix for a broken driver on Renesas RZ/A1 SoCs with bootloaders that don't turn all the clks on and another fix for stm32f4 SoCs where we have multiple drivers attaching to the same DT node" * tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: clk: stm32f4: Use CLK_OF_DECLARE_DRIVER initialization method clk: renesas: mstp: Support 8-bit registers for r7s72100
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由 Linus Torvalds 提交于
Merge tag 'hwmon-for-linus-v4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging Pull hwmon fix from Guenter Roeck: "Fix temp1_max_alarm attribute in lm90 driver" * tag 'hwmon-for-linus-v4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (lm90) fix temp1_max_alarm attribute
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git://git.kernel.org/pub/scm/virt/kvm/kvm由 Linus Torvalds 提交于
Pull KVM fixes from Radim Krčmář: "MIPS: - fix host kernel crashes when receiving a signal with 64-bit userspace - flush instruction cache on all vcpus after generating entry code (both for stable) x86: - fix NULL dereference in MMU caused by SMM transitions (for stable) - correct guest instruction pointer after emulating some VMX errors - minor cleanup" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: VMX: remove duplicated declaration KVM: MIPS: Flush KVM entry code from icache globally KVM: MIPS: Don't clobber CP0_Status.UX KVM: x86: reset MMU on KVM_SET_VCPU_EVENTS KVM: nVMX: fix instruction skipping during emulated vm-entry
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux由 Linus Torvalds 提交于
Pull arm64 fixes from Catalin Marinas: - re-introduce the arm64 get_current() optimisation - KERN_CONT fallout fix in show_pte() * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: restore get_current() optimisation arm64: mm: fix show_pte KERN_CONT fallout
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git://github.com/awilliam/linux-vfio由 Linus Torvalds 提交于
Pull VFIO fixes from Alex Williamson: - Add mtty sample driver properly into build system (Alex Williamson) - Restore type1 mapping performance after mdev (Alex Williamson) - Fix mdev device race (Alex Williamson) - Cleanups to the mdev ABI used by vendor drivers (Alex Williamson) - Build fix for old compilers (Arnd Bergmann) - Fix sample driver error path (Dan Carpenter) - Handle pci_iomap() error (Arvind Yadav) - Fix mdev ioctl return type (Paul Gortmaker) * tag 'vfio-v4.10-rc3' of git://github.com/awilliam/linux-vfio: vfio-mdev: fix non-standard ioctl return val causing i386 build fail vfio-pci: Handle error from pci_iomap vfio-mdev: fix some error codes in the sample code vfio-pci: use 32-bit comparisons for register address for gcc-4.5 vfio-mdev: Make mdev_device private and abstract interfaces vfio-mdev: Make mdev_parent private vfio-mdev: de-polute the namespace, rename parent_device & parent_ops vfio-mdev: Fix remove race vfio/type1: Restore mapping performance with mdev support vfio-mdev: Fix mtty sample driver building
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由 Linus Torvalds 提交于
Merge branch 'stable/for-linus-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb Pull swiotlb fixes from Konrad Rzeszutek Wilk: "This has one fix to make i915 work when using Xen SWIOTLB, and a feature from Geert to aid in debugging of devices that can't do DMA outside the 32-bit address space. The feature from Geert is on top of v4.10 merge window commit (specifically you pulling my previous branch), as his changes were dependent on the Documentation/ movement patches. I figured it would just easier than me trying than to cherry-pick the Documentation patches to satisfy git. The patches have been soaking since 12/20, albeit I updated the last patch due to linux-next catching an compiler error and adding an Tested-and-Reported-by tag" * 'stable/for-linus-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb: swiotlb: Export swiotlb_max_segment to users swiotlb: Add swiotlb=noforce debug option swiotlb: Convert swiotlb_force from int to enum x86, swiotlb: Simplify pci_swiotlb_detect_override()
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu由 Linus Torvalds 提交于
Pull IOMMU fixes from Joerg Roedel: "Three fixes queued up: - fix an issue with command buffer overflow handling in the AMD IOMMU driver - add an additional context entry flush to the Intel VT-d driver to make sure any old context entry from kdump copying is flushed out of the cache - correct the encoding of the PASID table size in the Intel VT-d driver" * tag 'iommu-fixes-v4.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu/amd: Fix the left value check of cmd buffer iommu/vt-d: Fix pasid table size encoding iommu/vt-d: Flush old iommu caches for kdump when the device gets context mapped
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm由 Linus Torvalds 提交于
Pull ACPI fixes from Rafael Wysocki: "These fix a device enumeration problem related to _ADR matching and an IOMMU initialization issue related to the DMAR table missing, remove an excessive function call from the core ACPI code, update an error message in the ACPI WDAT watchdog driver and add a way to work around problems with unhandled GPE notifications. Specifics: - Fix a device enumeration issue leading to incorrect associations between ACPI device objects and platform device objects representing physical devices if the given device object has both _ADR and _HID (Rafael Wysocki). - Avoid passing NULL to acpi_put_table() during IOMMU initialization which triggers a (rightful) warning from ACPICA (Rafael Wysocki). - Drop an excessive call to acpi_dma_deconfigure() from the core code that binds ACPI device objects to device objects representing physical devices (Lorenzo Pieralisi). - Update an error message in the ACPI WDAT watchdog driver to make it provide more useful information (Mika Westerberg). - Add a mechanism to work around issues with unhandled GPE notifications that occur during system initialization and cannot be prevented by means of sysfs (Lv Zheng)" * tag 'acpi-4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI / DMAR: Avoid passing NULL to acpi_put_table() ACPI / scan: Prefer devices without _HID/_CID for _ADR matching ACPI / watchdog: Print out error number when device creation fails ACPI / sysfs: Provide quirk mechanism to prevent GPE flooding ACPI: Drop misplaced acpi_dma_deconfigure() call from acpi_bind_one()
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm由 Linus Torvalds 提交于
Pull power management fixes from Rafael Wysocki: "These fix a few issues in the intel_pstate driver, a documetation issue, a false-positive compiler warning in the generic power domains framework and two problems in the devfreq subsystem. They also update the MAINTAINERS entry for devfreq and add a new "compatible" string to the generic cpufreq-dt driver. Specifics: - Fix a few intel_pstate driver issues: add missing locking it two places, avoid exposing a useless debugfs interface and keep the attribute values in sysfs in sync (Rafael Wysocki). - Drop confusing kernel-doc references related to power management and ACPI from the driver API manual (Rafael Wysocki). - Make a false-positive compiler warning in the generic power domains framework go away (Augusto Mecking Caringi). - Fix two initialization issues in the devfreq subsystem and update the MAINTAINERS entry for it (Chanwoo Choi). - Add a new "compatible" string for APM X-Gene 2 to the generic DT cpufreq driver (Hoan Tran)" * tag 'pm-4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: cpufreq: dt: Add support for APM X-Gene 2 PM / devfreq: exynos-bus: Fix the wrong return value PM / devfreq: Fix the bug of devfreq_add_device when governor is NULL MAINTAINERS: Add myself as reviewer for DEVFREQ subsystem support PM / docs: Drop confusing kernel-doc references from infrastructure.rst PM / domains: Fix 'may be used uninitialized' build warning cpufreq: intel_pstate: Always keep all limits settings in sync cpufreq: intel_pstate: Use locking in intel_cpufreq_verify_policy() cpufreq: intel_pstate: Use locking in intel_pstate_resume() cpufreq: intel_pstate: Do not expose PID parameters in passive mode
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由 Konrad Rzeszutek Wilk 提交于
So they can figure out what is the optimal number of pages that can be contingously stitched together without fear of bounce buffer. We also expose an mechanism for sub-users of SWIOTLB API, such as Xen-SWIOTLB to set the max segment value. And lastly if swiotlb=force is set (which mandates we bounce buffer everything) we set max_segment so at least we can bounce buffer one 4K page instead of a giant 512KB one for which we may not have space. Signed-off-by: NKonrad Rzeszutek Wilk <konrad.wilk@oracle.com> Reported-and-Tested-by: NJuergen Gross <jgross@suse.com>
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- 06 1月, 2017 2 次提交
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由 Rafael J. Wysocki 提交于
* acpi-scan: ACPI / scan: Prefer devices without _HID/_CID for _ADR matching ACPI: Drop misplaced acpi_dma_deconfigure() call from acpi_bind_one() * acpi-sysfs: ACPI / sysfs: Provide quirk mechanism to prevent GPE flooding * acpi-wdat: ACPI / watchdog: Print out error number when device creation fails * acpi-tables: ACPI / DMAR: Avoid passing NULL to acpi_put_table()
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由 Rafael J. Wysocki 提交于
* pm-domains: PM / domains: Fix 'may be used uninitialized' build warning * pm-docs: PM / docs: Drop confusing kernel-doc references from infrastructure.rst * pm-devfreq: PM / devfreq: exynos-bus: Fix the wrong return value PM / devfreq: Fix the bug of devfreq_add_device when governor is NULL MAINTAINERS: Add myself as reviewer for DEVFREQ subsystem support
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