- 11 Aug, 2016 12 commits
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Linus Torvalds authored
Merge fixes from Andrew Morton: "7 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: mm/memory_hotplug.c: initialize per_cpu_nodestats for hotadded pgdats mm, oom: fix uninitialized ret in task_will_free_mem() kasan: remove the unnecessary WARN_ONCE from quarantine.c mm: memcontrol: fix memcg id ref counter on swap charge move mm: memcontrol: fix swap counter leak on swapout from offline cgroup proc, meminfo: use correct helpers for calculating LRU sizes in meminfo mm/hugetlb: fix incorrect hugepages count during mem hotplug
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Reza Arbab authored
The following oops occurs after a pgdat is hotadded: Unable to handle kernel paging request for data at address 0x00c30001 Faulting instruction address: 0xc00000000022f8f4 Oops: Kernel access of bad area, sig: 11 [#1] SMP NR_CPUS=2048 NUMA pSeries Modules linked in: ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 ipt_REJECT nf_reject_ipv4 xt_conntrack ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw iptable_filter nls_utf8 isofs sg virtio_balloon uio_pdrv_genirq uio ip_tables xfs libcrc32c sr_mod cdrom sd_mod virtio_net ibmvscsi scsi_transport_srp virtio_pci virtio_ring virtio dm_mirror dm_region_hash dm_log dm_mod CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 4.8.0-rc1-device #110 task: c000000000ef3080 task.stack: c000000000f6c000 NIP: c00000000022f8f4 LR: c00000000022f948 CTR: 0000000000000000 REGS: c000000000f6fa50 TRAP: 0300 Tainted: G W (4.8.0-rc1-device) MSR: 800000010280b033 <SF,VEC,VSX,EE,FP,ME,IR,DR,RI,LE,TM[E]> CR: 84002028 XER: 20000000 CFAR: d000000001d2013c DAR: 0000000000c30001 DSISR: 40000000 SOFTE: 0 NIP refresh_cpu_vm_stats+0x1a4/0x2f0 LR refresh_cpu_vm_stats+0x1f8/0x2f0 Call Trace: refresh_cpu_vm_stats+0x1f8/0x2f0 (unreliable) Add per_cpu_nodestats initialization to the hotplug codepath. Link: http://lkml.kernel.org/r/1470931473-7090-1-git-send-email-arbab@linux.vnet.ibm.comSigned-off-by:Reza Arbab <arbab@linux.vnet.ibm.com> Cc: Mel Gorman <mgorman@techsingularity.net> Cc: Paul Mackerras <paulus@ozlabs.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Geert Uytterhoeven authored
mm/oom_kill.c: In function `task_will_free_mem': mm/oom_kill.c:767: warning: `ret' may be used uninitialized in this function If __task_will_free_mem() is never called inside the for_each_process() loop, ret will not be initialized. Fixes: 1af8bb43 ("mm, oom: fortify task_will_free_mem()") Link: http://lkml.kernel.org/r/1470255599-24841-1-git-send-email-geert@linux-m68k.orgSigned-off-by:Geert Uytterhoeven <geert@linux-m68k.org> Acked-by:
Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Acked-by:
Michal Hocko <mhocko@suse.com> Cc: Oleg Nesterov <oleg@redhat.com> Signed-off-by:
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Alexander Potapenko authored
It's quite unlikely that the user will so little memory that the per-CPU quarantines won't fit into the given fraction of the available memory. Even in that case he won't be able to do anything with the information given in the warning. Link: http://lkml.kernel.org/r/1470929182-101413-1-git-send-email-glider@google.comSigned-off-by:
Alexander Potapenko <glider@google.com> Acked-by:
Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Andrey Konovalov <adech.fo@gmail.com> Cc: Christoph Lameter <cl@linux.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Kuthonuzo Luruo <kuthonuzo.luruo@hpe.com> Signed-off-by:
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Vladimir Davydov authored
Since commit 73f576c0 ("mm: memcontrol: fix cgroup creation failure after many small jobs") swap entries do not pin memcg->css.refcnt directly. Instead, they pin memcg->id.ref. So we should adjust the reference counters accordingly when moving swap charges between cgroups. Fixes: 73f576c0 ("mm: memcontrol: fix cgroup creation failure after many small jobs") Link: http://lkml.kernel.org/r/9ce297c64954a42dc90b543bc76106c4a94f07e8.1470219853.git.vdavydov@virtuozzo.comSigned-off-by:
Vladimir Davydov <vdavydov@virtuozzo.com> Acked-by:
Johannes Weiner <hannes@cmpxchg.org> Cc: <stable@vger.kernel.org> [3.19+] Signed-off-by:
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Vladimir Davydov authored
An offline memory cgroup might have anonymous memory or shmem left charged to it and no swap. Since only swap entries pin the id of an offline cgroup, such a cgroup will have no id and so an attempt to swapout its anon/shmem will not store memory cgroup info in the swap cgroup map. As a result, memcg->swap or memcg->memsw will never get uncharged from it and any of its ascendants. Fix this by always charging swapout to the first ancestor cgroup that hasn't released its id yet. [hannes@cmpxchg.org: add comment to mem_cgroup_swapout] [vdavydov@virtuozzo.com: use WARN_ON_ONCE() in mem_cgroup_id_get_online()] Link: http://lkml.kernel.org/r/20160803123445.GJ13263@esperanza Fixes: 73f576c0 ("mm: memcontrol: fix cgroup creation failure after many small jobs") Link: http://lkml.kernel.org/r/5336daa5c9a32e776067773d9da655d2dc126491.1470219853.git.vdavydov@virtuozzo.comSigned-off-by:
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Mel Gorman authored
meminfo_proc_show() and si_mem_available() are using the wrong helpers for calculating the size of the LRUs. The user-visible impact is that there appears to be an abnormally high number of unevictable pages. Link: http://lkml.kernel.org/r/20160805105805.GR2799@techsingularity.netSigned-off-by:
Mel Gorman <mgorman@techsingularity.net> Cc: Dave Chinner <david@fromorbit.com> Signed-off-by:
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zhong jiang authored
When memory hotplug operates, free hugepages will be freed if the movable node is offline. Therefore, /proc/sys/vm/nr_hugepages will be incorrect. Fix it by reducing max_huge_pages when the node is offlined. n-horiguchi@ah.jp.nec.com said: : dissolve_free_huge_page intends to break a hugepage into buddy, and the : destination hugepage is supposed to be allocated from the pool of the : destination node, so the system-wide pool size is reduced. So adding : h->max_huge_pages-- makes sense to me. Link: http://lkml.kernel.org/r/1470624546-902-1-git-send-email-zhongjiang@huawei.comSigned-off-by:
zhong jiang <zhongjiang@huawei.com> Cc: Mike Kravetz <mike.kravetz@oracle.com> Acked-by:
Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds authored
Pull ARM SoC fixes from Arnd Bergmann: "A couple of bug fixes have come in for v4.8 so far. Since the first few were originally meant to go into -rc1 (but didn't get sent in time for travel reasons), the branch is unfortunately based on top of a commit in the middle of the merge window rather than -rc1. Content-wise we have: - a fix for the last remaining broken build in kernelci, getting mach-shmobile to build again with SMP disabled - a fix for a realview regression that broke real hardware but not the qemu model that everyone uses in practice (needed for v4.7 as well) - a merge conflict fix for Tegra that also broke v4.7 - two Kconfig fixes for arm64 build regressions - a couple of arm32 build warning fixes (all harmless) - fix the RTC on Exynos7 Espresso (which apparently never worked right)" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: Merge tag 'pxa-fixes-v4.8' of https://github.com/rjarzmik/linux into randconfig-4.8 arm64: Kconfig: select HISILICON_IRQ_MBIGEN only if PCI is selected arm64: Kconfig: select ALPINE_MSI only if PCI is selected ARM: dts: realview: Fix PBX-A9 cache description ARM: tegra: fix erroneous address in dts ARM: dts: add syscon compatible string for AP syscon ARM: dts: add syscon compatible string for CP syscon ARM: oxnas: select reset controller framework ARM: hide mach-*/ include for ARM_SINGLE_ARMV7M ARM: don't include removed directories Revert "ARM: aspeed: adapt defconfigs for new CONFIG_PRINTK_TIME" ARM: shmobile: don't call platform_can_secondary_boot on UP MAINTAINER: alpine: add a mailing list ARM: do away with final ARCH_REQUIRE_GPIOLIB arm64: dts: Fix RTC by providing rtc_src clock -
git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhostLinus Torvalds authored
Pull virtio/vhost fixes and cleanups from Michael Tsirkin: "Misc fixes and cleanups all over the place" * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: virtio/s390: deprecate old transport virtio/s390: keep early_put_chars virtio_blk: Fix a slient kernel panic virtio-vsock: fix include guard typo vhost/vsock: fix vhost virtio_vsock_pkt use-after-free 9p/trans_virtio: use kvfree() for iov_iter_get_pages_alloc() virtio: fix error handling for debug builds virtio: fix memory leak in virtqueue_add()
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https://github.com/ceph/ceph-clientLinus Torvalds authored
Pull ceph fixes from Ilya Dryomov: "A patch for a NULL dereference bug introduced in 4.8-rc1 and a handful of static checker fixes" * tag 'ceph-for-4.8-rc2' of https://github.com/ceph/ceph-client: ceph: initialize pathbase in the !dentry case in encode_caps_cb() rbd: nuke the 32-bit pool id check rbd: destroy header_oloc in rbd_dev_release() ceph: fix null pointer dereference in ceph_flush_snaps() libceph: using kfree_rcu() to simplify the code libceph: make cancel_generic_request() static libceph: fix return value check in alloc_msg_with_page_vector()
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https://github.com/rjarzmik/linuxArnd Bergmann authored
This is the pxa changes for v4.8 cycle. This is a tiny fix couple to enable changes in includes in gpio API without breaking pxa boards. * tag 'pxa-fixes-v4.8' of https://github.com/rjarzmik/linux: ARM: pxa: add module.h for corgi symbol_get/symbol_put usage ARM: pxa: add module.h for spitz symbol_get/symbol_put usage
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- 10 Aug, 2016 22 commits
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Linus Torvalds authored
Merge misc fixes from Andrew Morton: "8 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: mm/slub.c: run free_partial() outside of the kmem_cache_node->list_lock rmap: fix compound check logic in page_remove_file_rmap mm, rmap: fix false positive VM_BUG() in page_add_file_rmap() mm/page_alloc.c: recalculate some of node threshold when on/offline memory mm/page_alloc.c: fix wrong initialization when sysctl_min_unmapped_ratio changes thp: move shmem_huge_enabled() outside of SYSFS ifdef revert "ARM: keystone: dts: add psci command definition" rapidio: dereferencing an error pointer
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Chris Wilson authored
With debugobjects enabled and using SLAB_DESTROY_BY_RCU, when a kmem_cache_node is destroyed the call_rcu() may trigger a slab allocation to fill the debug object pool (__debug_object_init:fill_pool). Everywhere but during kmem_cache_destroy(), discard_slab() is performed outside of the kmem_cache_node->list_lock and avoids a lockdep warning about potential recursion: ============================================= [ INFO: possible recursive locking detected ] 4.8.0-rc1-gfxbench+ #1 Tainted: G U --------------------------------------------- rmmod/8895 is trying to acquire lock: (&(&n->list_lock)->rlock){-.-...}, at: [<ffffffff811c80d7>] get_partial_node.isra.63+0x47/0x430 but task is already holding lock: (&(&n->list_lock)->rlock){-.-...}, at: [<ffffffff811cbda4>] __kmem_cache_shutdown+0x54/0x320 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&(&n->list_lock)->rlock); lock(&(&n->list_lock)->rlock); *** DEADLOCK *** May be due to missing lock nesting notation 5 locks held by rmmod/8895: #0: (&dev->mutex){......}, at: driver_detach+0x42/0xc0 #1: (&dev->mutex){......}, at: driver_detach+0x50/0xc0 #2: (cpu_hotplug.dep_map){++++++}, at: get_online_cpus+0x2d/0x80 #3: (slab_mutex){+.+.+.}, at: kmem_cache_destroy+0x3c/0x220 #4: (&(&n->list_lock)->rlock){-.-...}, at: __kmem_cache_shutdown+0x54/0x320 stack backtrace: CPU: 6 PID: 8895 Comm: rmmod Tainted: G U 4.8.0-rc1-gfxbench+ #1 Hardware name: Gigabyte Technology Co., Ltd. H87M-D3H/H87M-D3H, BIOS F11 08/18/2015 Call Trace: __lock_acquire+0x1646/0x1ad0 lock_acquire+0xb2/0x200 _raw_spin_lock+0x36/0x50 get_partial_node.isra.63+0x47/0x430 ___slab_alloc.constprop.67+0x1a7/0x3b0 __slab_alloc.isra.64.constprop.66+0x43/0x80 kmem_cache_alloc+0x236/0x2d0 __debug_object_init+0x2de/0x400 debug_object_activate+0x109/0x1e0 __call_rcu.constprop.63+0x32/0x2f0 call_rcu+0x12/0x20 discard_slab+0x3d/0x40 __kmem_cache_shutdown+0xdb/0x320 shutdown_cache+0x19/0x60 kmem_cache_destroy+0x1ae/0x220 i915_gem_load_cleanup+0x14/0x40 [i915] i915_driver_unload+0x151/0x180 [i915] i915_pci_remove+0x14/0x20 [i915] pci_device_remove+0x34/0xb0 __device_release_driver+0x95/0x140 driver_detach+0xb6/0xc0 bus_remove_driver+0x53/0xd0 driver_unregister+0x27/0x50 pci_unregister_driver+0x25/0x70 i915_exit+0x1a/0x1e2 [i915] SyS_delete_module+0x193/0x1f0 entry_SYSCALL_64_fastpath+0x1c/0xac Fixes: 52b4b950 ("mm: slab: free kmem_cache_node after destroy sysfs file") Link: http://lkml.kernel.org/r/1470759070-18743-1-git-send-email-chris@chris-wilson.co.ukReported-by:Dave Gordon <david.s.gordon@intel.com> Signed-off-by:
Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by:
Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: David Rientjes <rientjes@google.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Dmitry Safonov <dsafonov@virtuozzo.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Dave Gordon <david.s.gordon@intel.com> Cc: <stable@vger.kernel.org> Signed-off-by:
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Steve Capper authored
In page_remove_file_rmap(.) we have the following check: VM_BUG_ON_PAGE(compound && !PageTransHuge(page), page); This is meant to check for either HugeTLB pages or THP when a compound page is passed in. Unfortunately, if one disables CONFIG_TRANSPARENT_HUGEPAGE, then PageTransHuge(.) will always return false, provoking BUGs when one runs the libhugetlbfs test suite. This patch replaces PageTransHuge(), with PageHead() which will work for both HugeTLB and THP. Fixes: dd78fedd ("rmap: support file thp") Link: http://lkml.kernel.org/r/1470838217-5889-1-git-send-email-steve.capper@arm.comSigned-off-by:
Steve Capper <steve.capper@arm.com> Acked-by:
Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Huang Shijie <shijie.huang@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by:
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Kirill A. Shutemov authored
PageTransCompound() doesn't distinguish THP from from any other type of compound pages. This can lead to false-positive VM_BUG_ON() in page_add_file_rmap() if called on compound page from a driver[1]. I think we can exclude such cases by checking if the page belong to a mapping. The VM_BUG_ON_PAGE() is downgraded to VM_WARN_ON_ONCE(). This path should not cause any harm to non-THP page, but good to know if we step on anything else. [1] http://lkml.kernel.org/r/c711e067-0bff-a6cb-3c37-04dfe77d2db1@redhat.com Link: http://lkml.kernel.org/r/20160810161345.GA67522@black.fi.intel.comSigned-off-by:
Laura Abbott <labbott@redhat.com> Tested-by:
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Joonsoo Kim authored
Some of node threshold depends on number of managed pages in the node. When memory is going on/offline, it can be changed and we need to adjust them. Add recalculation to appropriate places and clean-up related functions for better maintenance. Link: http://lkml.kernel.org/r/1470724248-26780-2-git-send-email-iamjoonsoo.kim@lge.comSigned-off-by:
Joonsoo Kim <iamjoonsoo.kim@lge.com> Acked-by:
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Joonsoo Kim authored
Before resetting min_unmapped_pages, we need to initialize min_unmapped_pages rather than min_slab_pages. Fixes: a5f5f91d (mm: convert zone_reclaim to node_reclaim) Link: http://lkml.kernel.org/r/1470724248-26780-1-git-send-email-iamjoonsoo.kim@lge.comSigned-off-by:
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Arnd Bergmann authored
The newly introduced shmem_huge_enabled() function has two definitions, but neither of them is visible if CONFIG_SYSFS is disabled, leading to a build error: mm/khugepaged.o: In function `khugepaged': khugepaged.c:(.text.khugepaged+0x3ca): undefined reference to `shmem_huge_enabled' This changes the #ifdef guards around the definition to match those that are used in the header file. Fixes: e496cf3d ("thp: introduce CONFIG_TRANSPARENT_HUGE_PAGECACHE") Link: http://lkml.kernel.org/r/20160809123638.1357593-1-arnd@arndb.deSigned-off-by:
Arnd Bergmann <arnd@arndb.de> Acked-by:
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Andrew Morton authored
Revert commit 51d5d12b ("ARM: keystone: dts: add psci command definition"), which was inadvertently added twice. Cc: Russell King - ARM Linux <linux@armlinux.org.uk> Cc: Vitaly Andrianov <vitalya@ti.com> Signed-off-by:
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Dan Carpenter authored
Original patch: https://lkml.org/lkml/2016/8/4/32 If riocm_ch_alloc() fails then we end up dereferencing the error pointer. The problem is that we're not unwinding in the reverse order from how we allocate things so it gets confusing. I've changed this around so now "ch" is NULL when we are done with it after we call riocm_put_channel(). That way we can check if it's NULL and avoid calling riocm_put_channel() on it twice. I renamed err_nodev to err_put_new_ch so that it better reflects what the goto does. Then because we had flipping things around, it means we don't neeed to initialize the pointers to NULL and we can remove an if statement and pull things in an indent level. Link: http://lkml.kernel.org/r/20160805152406.20713-1-alexandre.bounine@idt.comSigned-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
Alexandre Bounine <alexandre.bounine@idt.com> Cc: Matt Porter <mporter@kernel.crashing.org> Cc: Andre van Herk <andre.van.herk@prodrive-technologies.com> Cc: Barry Wood <barry.wood@idt.com> Signed-off-by:
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Sudeep Holla authored
Even when PCI is disabled, ARCH_HISI selects HISILICON_IRQ_MBIGEN triggerring the following config warning: warning: (ARM64 && HISILICON_IRQ_MBIGEN) selects ARM_GIC_V3_ITS which has unmet direct dependencies (PCI && PCI_MSI) This patch makes selection of HISILICON_IRQ_MBIGEN conditional on PCI. Cc: Ma Jun <majun258@huawei.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by:
Sudeep Holla <sudeep.holla@arm.com> Signed-off-by:
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Sudeep Holla authored
Even when PCI is disabled, ARCH_ALPINE selects ALPINE_MSI triggerring the following config warning: warning: (ARCH_ALPINE) selects ALPINE_MSI which has unmet direct dependencies (PCI) This patch makes selection of ALPINE_MSI conditional on PCI. Cc: Arnd Bergmann <arnd@arndb.de> Acked-by:
Antoine Tenart <antoine.tenart@free-electrons.com> Signed-off-by:
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Robin Murphy authored
Clearly QEMU is very permissive in how its PL310 model may be set up, but the real hardware turns out to be far more particular about things actually being correct. Fix up the DT description so that the real thing actually boots: - The arm,data-latency and arm,tag-latency properties need 3 cells to be valid, otherwise we end up retaining the default 8-cycle latencies which leads pretty quickly to lockup. - The arm,dirty-latency property is only relevant to L210/L220, so get rid of it. - The cache geometry override also leads to lockup and/or general misbehaviour. Irritatingly, the manual doesn't state the actual PL310 configuration, but based on the boardfile code and poking registers from the Boot Monitor, it would seem to be 8 sets of 16KB ways. With that, we can successfully boot to enjoy the fun of mismatched FPUs... Cc: stable@vger.kernel.org Signed-off-by:
Robin Murphy <robin.murphy@arm.com> Tested-by:
Mark Rutland <mark.rutland@arm.com> Signed-off-by:
Linus Walleij <linus.walleij@linaro.org> Signed-off-by:
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Ralf Ramsauer authored
c90bb7b9 enabled the high speed UARTs of the Jetson TK1. Due to a merge quirk, wrong addresses were introduced. Fix it and use the correct addresses. Thierry let me know, that there is another patch (b5896f67 in linux-next) in preparation which removes all the '0,' prefixes of unit addresses on Tegra124 and is planned to go upstream in 4.8, so this patch will get reverted then. But for the moment, this patch is necessary to fix current misbehaviour. Fixes: c90bb7b9 ("ARM: tegra: Add high speed UARTs to Jetson TK1 device tree") Signed-off-by:
Ralf Ramsauer <ralf@ramses-pyramidenbau.de> Acked-by:
Thierry Reding <thierry.reding@gmail.com> Cc: stable@vger.kernel.org # v4.7 Cc: linux-tegra@vger.kernel.org Signed-off-by:
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Linus Walleij authored
This syscon needs to be looked up by clocks, flash protection and other consumers. Signed-off-by:
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Linus Walleij authored
This syscon needs to be looked up by flash protection, CLCD display output settings and other consumers. Signed-off-by:
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Arnd Bergmann authored
For unknown reasons, we have to enable three symbols for a platform to use a reset controller driver, otherwise we get a Kconfig warning: warning: (MACH_OX810SE) selects RESET_OXNAS which has unmet direct dependencies (RESET_CONTROLLER) This selects the other two symbols for oxnas. Signed-off-by:
Neil Armstrong <narmstrong@baylibre.com>
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Arnd Bergmann authored
The machine specific header files are exported for traditional platforms, but not for the ones that use ARCH_MULTIPLATFORM, as they could conflict with one another. In case of ARM_SINGLE_ARMV7M, we end up also exporting them, but that appears to be a mistake, and we should treat it the same way as ARCH_MULTIPLATFORM here. 'make W=1' warns about this because it passes -Wmissing-includes to gcc and the directories are not actually present. Signed-off-by: -
Arnd Bergmann authored
Three platforms used to have header files in include/mach that are now all gone, but the removed directories are still being included, which leads to -Wmissing-include-dirs warnings. This removes the extra -I flags. Signed-off-by: -
Dave Weinstein authored
Add access checks to sys_oabi_epoll_wait() and sys_oabi_semtimedop(). This fixes CVE-2016-3857, a local privilege escalation under CONFIG_OABI_COMPAT. Cc: stable@vger.kernel.org Reported-by:
Chiachih Wu <wuchiachih@gmail.com> Reviewed-by:
Kees Cook <keescook@chromium.org> Reviewed-by:
Nicolas Pitre <nico@linaro.org> Signed-off-by:
Dave Weinstein <olorin@google.com> Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfsLinus Torvalds authored
Pull btrfs fixes from Chris Mason: "Some fixes for btrfs send/recv and fsync from Filipe and Robbie Ko. Bonus points to Filipe for already having xfstests in place for many of these" * 'for-linus-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: Btrfs: remove unused function btrfs_add_delayed_qgroup_reserve() Btrfs: improve performance on fsync against new inode after rename/unlink Btrfs: be more precise on errors when getting an inode from disk Btrfs: send, don't bug on inconsistent snapshots Btrfs: send, avoid incorrect leaf accesses when sending utimes operations Btrfs: send, fix invalid leaf accesses due to incorrect utimes operations Btrfs: send, fix warning due to late freeing of orphan_dir_info structures Btrfs: incremental send, fix premature rmdir operations Btrfs: incremental send, fix invalid paths for rename operations Btrfs: send, add missing error check for calls to path_loop() Btrfs: send, fix failure to move directories with the same name around Btrfs: add missing check for writeback errors on fsync
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git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metagLinus Torvalds authored
Pull metag architecture fix from James Hogan: "A single fix for a boot crash since a commit in the merge window. Metag was unusual in calling show_mem() early, before setup_per_cpu_pageset(), which is no longer safe. It doesn't add much value to the log, so the fix just drops the call" * tag 'metag-for-v4.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag: metag: Drop show_mem() from mem_init()
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Joe Perches authored
If get_maintainer is not given any filename arguments on the command line, the standard input is read for a patch. But checking if a VCS has a file named &STDIN is not a good idea and fails. Verify the nominal input file is not &STDIN before checking the VCS. Fixes: 4cad35a7 ("get_maintainer.pl: reduce need for command-line option -f") Reported-by:
Christopher Covington <cov@codeaurora.org> Signed-off-by:
Joe Perches <joe@perches.com> Signed-off-by:
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- 09 Aug, 2016 6 commits
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Linus Torvalds authored
This reverts commit 874f9c7d. Geert Uytterhoeven reports: "This change seems to have an (unintendent?) side-effect. Before, pr_*() calls without a trailing newline characters would be printed with a newline character appended, both on the console and in the output of the dmesg command. After this commit, no new line character is appended, and the output of the next pr_*() call of the same type may be appended, like in: - Truncating RAM at 0x0000000040000000-0x00000000c0000000 to -0x0000000070000000 - Ignoring RAM at 0x0000000200000000-0x0000000240000000 (!CONFIG_HIGHMEM) + Truncating RAM at 0x0000000040000000-0x00000000c0000000 to -0x0000000070000000Ignoring RAM at 0x0000000200000000-0x0000000240000000 (!CONFIG_HIGHMEM)" Joe Perches says: "No, that is not intentional. The newline handling code inside vprintk_emit is a bit involved and for now I suggest a revert until this has all the same behavior as earlier" Reported-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-traceLinus Torvalds authored
Pull tracing fix from Steven Rostedt: "Fix tick_stop tracepoint symbols for user export. Luiz Capitulino noticed that the tick_stop tracepoint wasn't being parsed properly by the tracing user space tools. This was due to the TRACE_DEFINE_ENUM() being set to a define, when it should have been set to the enum itself. The define was of the MASK that used the BIT to shift. The BIT was the enum and by adding that, everything gets converted nicely. The MASK is still kept just in case it gets converted to an enum in the future" * tag 'trace-v4.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing: Fix tick_stop tracepoint symbols for user export
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Linus Torvalds authored
Merge tag 'gcc-plugin-infrastructure-v4.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull gcc plugin improvements from Kees Cook: "Several fixes/improvements for the gcc plugin infrastructure: - fix a problem with gcc plugins interfering with cc-option tests. - abort more gracefully when gcc plugin headers or compiler support is missing. - improve the gcc plugin rule generation to be more dynamic, pass arguments, and build from subdirectories" * tag 'gcc-plugin-infrastructure-v4.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: gcc-plugins: Add support for plugin subdirectories gcc-plugins: Automate make rule generation gcc-plugins: Add support for passing plugin arguments gcc-plugins: abort builds cleanly when not supported kbuild: no gcc-plugins during cc-option tests
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Linus Torvalds authored
Merge tag 'platform-drivers-x86-v4.8-3' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86 Pull x86 platform driver update from Darren Hart: "dell-wmi: ignore battery remove/insert event" * tag 'platform-drivers-x86-v4.8-3' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86: dell-wmi: Ignore WMI event 0xe00e
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git://people.freedesktop.org/~airlied/linuxLinus Torvalds authored
Pull drm fixes from Dave Airlie: "This contains a bunch of amdgpu fixes, and some i915 regression fixes. It also contains some fixes for an older regression with some EDID changes and some 6bpc panels. Then there are the lockdep, cirrus and rcar-du regression fixes from this window" * tag 'drm-fixes-for-4.8-rc2' of git://people.freedesktop.org/~airlied/linux: drm/cirrus: Fix NULL pointer dereference when registering the fbdev drm/edid: Set 8 bpc color depth for displays with "DFP 1.x compliant TMDS". drm/i915/dp: Revert "drm/i915/dp: fall back to 18 bpp when sink capability is unknown" drm/edid: Add 6 bpc quirk for display AEO model 0. drm: Paper over locking inversion after registration rework drm: rcar-du: Link HDMI encoder with bridge drm/ttm: Wait for a BO to become idle before unbinding it from GTT drm/i915/fbdev: Check for the framebuffer before use drm/amdgpu: update golden setting of polaris10 drm/amdgpu: update golden setting of stoney drm/amdgpu: update golden setting of polaris11 drm/amdgpu: update golden setting of carrizo drm/amdgpu: update golden setting of iceland drm/amd/amdgpu: change pptable output format from ASCII to binary drm/amdgpu/ci: add mullins to default case for smc ucode drm/amdgpu/gmc7: add missing mullins case drm/i915: Never fully mask the the EI up rps interrupt on SNB/IVB drm/i915: Wait up to 3ms for the pcu to ack the cdclk change request on SKL
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Brian King authored
Commit b195d5e2 ("ipr: Wait to do async scan until scsi host is initialized") fixed async scan for ipr, but broke sync scan for ipr. This fixes sync scan back up. Signed-off-by:
Brian King <brking@linux.vnet.ibm.com> Reported-and-tested-by:
Michael Ellerman <mpe@ellerman.id.au> Signed-off-by:
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