- 31 Oct, 2016 15 commits
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Ville Syrjälä authored
commit d721b02f upstream. Looks like the TSEG lives just above TOUD, stolen comes after TSEG. The spec seems somewhat self-contradictory in places, in the ESMRAMC register desctription it says: TSEG Size: 10=(TOUD + 512 KB) to TOUD 11 =(TOUD + 1 MB) to TOUD so that agrees with TSEG being at TOUD. But the example given elsehwere in the spec says: TOUD equals 62.5 MB = 03E7FFFFh TSEG selected as 512 KB in size, Graphics local memory selected as 1 MB in size General System RAM available in system = 62.5 MB General system RAM range00000000h to 03E7FFFFh TSEG address range03F80000h to 03FFFFFFh TSEG pre-allocated from03F80000h to 03FFFFFFh Graphics local memory pre-allocated from03E80000h to 03F7FFFFh so here we have TSEG above stolen. Real world evidence agrees with the TOUD->TSEG->stolen order however, so let's fix up the code to account for the TSEG size. Cc: Taketo Kabe <fdporg@vega.pgw.jp> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: x86@kernel.org Fixes: 0ad98c74 ("drm/i915: Determine the stolen memory base address on gen2") Fixes: a4dff769 ("x86/gpu: Add Intel graphics stolen memory quirk for gen2 platforms") Reported-by:
Taketo Kabe <fdporg@vega.pgw.jp> Tested-by:
Ville Syrjälä <ville.syrjala@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1470653919-27251-1-git-send-email-ville.syrjala@linux.intel.com Link: http://download.intel.com/design/chipsets/datashts/25251405.pdfReviewed-by:
Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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David Weinehall authored
commit 23f889bd upstream. This reverts commit 237ed86c. Our current implementation of live status check (repeat 9 times with 10ms delays between each attempt as a workaround for buggy displays) imposes a rather serious penalty, time wise, on intel_hdmi_detect(). Since we we already skip live status checks on platforms before gen 7, and since we seem to have coped quite well before the live status check was introduced for newer platforms too, the previous behaviour is probably preferable, at least unless someone can point to a use-case that the live status check improves (apart from "Bspec says so".) Signed-off-by:
David Weinehall <david.weinehall@linux.intel.com> Fixes: 237ed86c ("drm/i915: Check live status before reading edid") Fixes: f8d03ea0 ("drm/i915: increase the tries for HDMI hotplug live status checking") Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97139 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=94014Acked-by:
Jani Nikula <jani.nikula@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20160817124748.31208-1-david.weinehall@linux.intel.comSigned-off-by:
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Paulo Zanoni authored
commit 4e4d3814 upstream. Bspec says: "The mailbox response data may not account for memory read latency. If the mailbox response data for level 0 is 0us, add 2 microseconds to the result for each valid level." This means we should only do the +2 in case wm[0] == 0, not always. So split the sanitizing implementation from the WA implementation and fix the WA implementation. v2: Add Fixes tag (Maarten). Fixes: 367294be ("drm/i915/gen9: Add 2us read latency to WM level") Cc: Vandana Kannan <vandana.kannan@intel.com> Reviewed-by:
Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by:
Paulo Zanoni <paulo.r.zanoni@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1474578035-424-5-git-send-email-paulo.r.zanoni@intel.com (cherry picked from commit 0727e40a) Signed-off-by:
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Jan Beulich authored
commit 9a035a40 upstream. This should really only be done for XS_TRANSACTION_END messages, or else at least some of the xenstore-* tools don't work anymore. Fixes: 0beef634 ("xenbus: don't BUG() on user mode induced condition") Reported-by:
Richard Schütz <rschuetz@uni-koblenz.de> Signed-off-by:
Jan Beulich <jbeulich@suse.com> Tested-by:
David Vrabel <david.vrabel@citrix.com> Cc: "M. Vefa Bicakci" <m.v.b@runbox.com> Signed-off-by:
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Thomas Hellstrom authored
commit 51ab70be upstream. With older hardware versions, the user could specify arbitrarily large command buffer sizes, causing a vmalloc / vmap space exhaustion. Signed-off-by:
Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by:
Brian Paul <brianp@vmware.com> Reviewed-by:
Sinclair Yeh <syeh@vmware.com> Signed-off-by:
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Alex Deucher authored
commit 02cfb5fc upstream. Ported from Rex's amdgpu change. Signed-off-by:
Alex Deucher <alexander.deucher@amd.com> Signed-off-by:
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Alex Deucher authored
commit 42792029 upstream. Used the wrong index to setup the phase shedding mask. Signed-off-by:
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Alex Deucher authored
commit 884031f0 upstream. Only needed on CIK+ due to the way pci reset is handled by the GPU. Signed-off-by:
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Rex Zhu authored
commit dc8184aa upstream. Signed-off-by:
Rex Zhu <Rex.Zhu@amd.com> Reviewed-by:
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Grazvydas Ignotas authored
commit 140c94da upstream. All other amdgpu/dce_v* files have this call, it's only mysteriously missing from dce_v11_0.c since the file was added and causes leaks. Fixes: aaa36a97 ("drm/amdgpu: Add initial VI support") Signed-off-by:
Grazvydas Ignotas <notasas@gmail.com> Signed-off-by:
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Alex Deucher authored
commit 3a9d993e upstream. Otherwise we can get a hotplug interrupt storm when we turn the panel off if hpd interrupts were enabled by the bios. bug: https://bugs.freedesktop.org/show_bug.cgi?id=97471Signed-off-by:
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Alex Deucher authored
commit 32408258 upstream. Otherwise we can get a hotplug interrupt storm when we turn the panel off if hpd interrupts were enabled by the bios. bug: https://bugs.freedesktop.org/show_bug.cgi?id=97471Signed-off-by:
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Alex Deucher authored
commit e96ec90f upstream. Otherwise we can get a hotplug interrupt storm when we turn the panel off if hpd interrupts were enabled by the bios. bug: https://bugs.freedesktop.org/show_bug.cgi?id=97471Signed-off-by:
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Alex Deucher authored
commit c4795ca6 upstream. According to the hw team, it should be 16, not 8. Cc: Peter Fang <peter.fang@amd.com> Signed-off-by:
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Chris Wilson authored
commit 56a76c01 upstream. dma_buf_export() adds a reference to the owning module to the dmabuf (to prevent the driver from being unloaded whilst a third party still refers to the dmabuf). However, drm_gem_prime_export() was passing its own THIS_MODULE (i.e. drm.ko) rather than the driver. Extract the right owner from the device->fops instead. v2: Use C99 initializers to zero out unset elements of dma_buf_export_info v3: Extract the right module from dev->fops. Testcase: igt/vgem_basic/unload Reported-by:
Petri Latvala <petri.latvala@intel.com> Signed-off-by:
Christian König <christian.koenig@amd.com> Signed-off-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20161005122145.1507-1-chris@chris-wilson.co.ukSigned-off-by:
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- 28 Oct, 2016 25 commits
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Greg Kroah-Hartman authored
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Dinesh Israni authored
commit 926317de upstream. This patch addresses a bug where a local EXTENDED_COPY WRITE or READ backend I/O request would always return SAM_STAT_CHECK_CONDITION, even if underlying xcopy_pt_cmd->se_cmd generated a different SCSI status code. ESX host environments expect to hit SAM_STAT_RESERVATION_CONFLICT for certain scenarios, and SAM_STAT_CHECK_CONDITION results in non-retriable status for these cases. Tested on v4.1.y with ESX v5.5u2+ with local IBLOCK backend copy. Reported-by:
Nixon Vincent <nixon.vincent@calsoftinc.com> Tested-by:
Dinesh Israni <ddi@datera.io> Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org> Signed-off-by:
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Nicholas Bellinger authored
commit 449a1378 upstream. This patch addresses a bug where EXTENDED_COPY across multiple LUNs results in a CHECK_CONDITION when the source + destination are not located on the same physical node. ESX Host environments expect sense COPY_ABORTED w/ COPY TARGET DEVICE NOT REACHABLE to be returned when this occurs, in order to signal fallback to local copy method. As described in section 6.3.3 of spc4r22: "If it is not possible to complete processing of a segment because the copy manager is unable to establish communications with a copy target device, because the copy target device does not respond to INQUIRY, or because the data returned in response to INQUIRY indicates an unsupported logical unit, then the EXTENDED COPY command shall be terminated with CHECK CONDITION status, with the sense key set to COPY ABORTED, and the additional sense code set to COPY TARGET DEVICE NOT REACHABLE." Tested on v4.1.y with ESX v5.5u2+ with BlockCopy across multiple nodes. Reported-by:
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Nicholas Bellinger authored
commit 527268df upstream. This patch fixes a regression in >= v4.1.y code where the original SCF_ACK_KREF assignment in target_get_sess_cmd() was dropped upstream in commit 054922bb, but the series for addressing TMR ABORT_TASK + LUN_RESET with fabric session reinstatement in commit febe562c still depends on this code in transport_cmd_finish_abort(). The regression manifests itself as a se_cmd->cmd_kref +1 leak, where ABORT_TASK + LUN_RESET can hang indefinately for a specific I_T session for drivers using SCF_ACK_KREF, resulting in hung kthreads. This patch has been verified with v4.1.y code. Reported-by:
Vaibhav Tandon <vst@datera.io> Tested-by:
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Richard Weinberger authored
commit 843741c5 upstream. When the operation fails we also have to undo the changes we made to ->xattr_names. Otherwise listxattr() will report wrong lengths. Signed-off-by:
Richard Weinberger <richard@nod.at> Signed-off-by:
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Taesoo Kim authored
commit 559cce69 upstream. When 'jh->b_transaction == transaction' (asserted by below) J_ASSERT_JH(jh, (jh->b_transaction == transaction || ... 'journal->j_list_lock' will be incorrectly unlocked, since the the lock is aquired only at the end of if / else-if statements (missing the else case). Signed-off-by:
Taesoo Kim <tsgatesv@gmail.com> Signed-off-by:
Theodore Ts'o <tytso@mit.edu> Reviewed-by:
Andreas Dilger <adilger@dilger.ca> Fixes: 6e4862a5Signed-off-by:
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Eric Biggers authored
commit c4704a4f upstream. The sysfs file /sys/fs/ext4/features/encryption was present on kernels compiled with CONFIG_EXT4_FS_ENCRYPTION=n. This was misleading because such kernels do not actually support ext4 encryption. Therefore, only provide this file on kernels compiled with CONFIG_EXT4_FS_ENCRYPTION=y. Note: since the ext4 feature files are all hardcoded to have a contents of "supported", it really is the presence or absence of the file that is significant, not the contents (and this change reflects that). Signed-off-by:
Eric Biggers <ebiggers@google.com> Signed-off-by:
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Ulf Hansson authored
commit 4f48aa7a upstream. Accesses of the rtsx sdmmc's parent device, which is the rtsx usb device, must be done when it's runtime resumed. Currently this isn't case when changing the led, so let's fix this by adding a pm_runtime_get_sync() and a pm_runtime_put() around those operations. Reported-by:
Ritesh Raj Sarraf <rrs@researchut.com> Tested-by:
Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by:
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Ulf Hansson authored
commit 31cf742f upstream. The rtsx_usb_sdmmc driver may bail out in its ->set_ios() callback when no SD card is inserted. This is wrong, as it could cause the device to remain runtime resumed when it's unused. Fix this behaviour. Tested-by:
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Jiri Slaby authored
commit 3f2d2664 upstream. Commit f68381a7 (mmc: block: fix packed command header endianness) correctly fixed endianness handling of packed_cmd_hdr in mmc_blk_packed_hdr_wrq_prep. But now, sparse complains about incorrect types: drivers/mmc/card/block.c:1613:27: sparse: incorrect type in assignment (different base types) drivers/mmc/card/block.c:1613:27: expected unsigned int [unsigned] [usertype] <noident> drivers/mmc/card/block.c:1613:27: got restricted __le32 [usertype] <noident> ... So annotate cmd_hdr properly using __le32 to make everyone happy. Signed-off-by:
Jiri Slaby <jslaby@suse.cz> Fixes: f68381a7 (mmc: block: fix packed command header endianness) Signed-off-by:
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Frederic Barrat authored
commit d2cf909c upstream. If a cxl adapter faults on an invalid address for a kernel context, we may enter copro_calculate_slb() with a NULL mm pointer (kernel context) and an effective address which looks like a user address. Which will cause a crash when dereferencing mm. It is clearly an AFU bug, but there's no reason to crash either. So return an error, so that cxl can ack the interrupt with an address error. Fixes: 73d16a6e ("powerpc/cell: Move data segment faulting code out of cell platform") Signed-off-by:
Frederic Barrat <fbarrat@linux.vnet.ibm.com> Acked-by:
Ian Munsie <imunsie@au1.ibm.com> Signed-off-by:
Michael Ellerman <mpe@ellerman.id.au> Signed-off-by:
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Nikolay Borisov authored
commit 0d7718f6 upstream. In case __ceph_do_getattr returns an error and the retry_op in ceph_read_iter is not READ_INLINE, then it's possible to invoke __free_page on a page which is NULL, this naturally leads to a crash. This can happen when, for example, a process waiting on a MDS reply receives sigterm. Fix this by explicitly checking whether the page is set or not. Signed-off-by:
Nikolay Borisov <kernel@kyup.com> Reviewed-by:
Yan, Zheng <zyan@redhat.com> Signed-off-by:
Ilya Dryomov <idryomov@gmail.com> Signed-off-by:
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Marc Zyngier authored
commit 85054035 upstream. Commit f436b2ac ("arm64: kernel: fix architected PMU registers unconditional access") made sure we wouldn't access unimplemented PMU registers, but also left MDCR_EL2 uninitialized in that case, leading to trap bits being potentially left set. Make sure we always write something in that register. Fixes: f436b2ac ("arm64: kernel: fix architected PMU registers unconditional access") Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by:
Marc Zyngier <marc.zyngier@arm.com> Signed-off-by:
Will Deacon <will.deacon@arm.com> Signed-off-by:
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Will Deacon authored
commit 1e6e57d9 upstream. Writing the outer loop of an LL/SC sequence using do {...} while constructs potentially allows the compiler to hoist memory accesses between the STXR and the branch back to the LDXR. On CPUs that do not guarantee forward progress of LL/SC loops when faced with memory accesses to the same ERG (up to 2k) between the failed STXR and the branch back, we may end up livelocking. This patch avoids this issue in our percpu atomics by rewriting the outer loop as part of the LL/SC inline assembly block. Fixes: f97fc810 ("arm64: percpu: Implement this_cpu operations") Reviewed-by:
Mark Rutland <mark.rutland@arm.com> Tested-by:
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Ulf Hansson authored
commit 9158cb29 upstream. Accesses to the rtsx usb device, which is the parent of the rtsx memstick device, must not be done unless it's runtime resumed. This is currently not the case and it could trigger various errors. Fix this by properly deal with runtime PM in this regards. This means making sure the device is runtime resumed, when serving requests via the ->request() callback or changing settings via the ->set_param() callbacks. Cc: Ritesh Raj Sarraf <rrs@researchut.com> Cc: Alan Stern <stern@rowland.harvard.edu> Signed-off-by:
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Alan Stern authored
commit 796aa46a upstream. Accesses to the rtsx usb device, which is the parent of the rtsx memstick device, must not be done unless it's runtime resumed. Therefore when the rtsx_usb_ms driver polls for inserted memstick cards, let's add pm_runtime_get|put*() to make sure accesses is done when the rtsx usb device is runtime resumed. Reported-by:
Alan Stern <stern@rowland.harvard.edu> Signed-off-by:
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Jan Kara authored
commit a2ed0b39 upstream. When isofs_mount() is called to mount a device read-write, it returns EACCES even before it checks that the device actually contains an isofs filesystem. This may confuse mount(8) which then tries to mount all subsequent filesystem types in read-only mode. Fix the problem by returning EACCES only once we verify that the device indeed contains an iso9660 filesystem. Fixes: 17b7f7cfReported-by:
Kent Overstreet <kent.overstreet@gmail.com> Reported-by:
Karel Zak <kzak@redhat.com> Signed-off-by:
Jan Kara <jack@suse.cz> Signed-off-by:
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Vladimir Murzin authored
commit 9224eb77 upstream. Entry Size in GITS_BASER<n> occupies 5 bits [52:48], but we mask out 8 bits. Fixes: cc2d3216 ("irqchip: GICv3: ITS command queue") Signed-off-by:
Vladimir Murzin <vladimir.murzin@arm.com> Signed-off-by:
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David Hildenbrand authored
commit f0454029 upstream. __tlb_flush_asce() should never be used if multiple asce belong to a mm. As this function changes mm logic determining if local or global tlb flushes will be neded, we might end up flushing only the gmap asce on all CPUs and a follow up mm asce flushes will only flush on the local CPU, although that asce ran on multiple CPUs. The missing tlb flushes will provoke strange faults in user space and even low address protections in user space, crashing the kernel. Fixes: 1b948d6c ("s390/mm,tlb: optimize TLB flushing for zEC12") Cc: stable@vger.kernel.org # 3.15+ Reported-by:
Sascha Silbe <silbe@linux.vnet.ibm.com> Acked-by:
Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by:
David Hildenbrand <dahi@linux.vnet.ibm.com> Signed-off-by:
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Linus Torvalds authored
commit 21f54dda upstream. That just generally kills the machine, and makes debugging only much harder, since the traces may long be gone. Debugging by assert() is a disease. Don't do it. If you can continue, you're much better off doing so with a live machine where you have a much higher chance that the report actually makes it to the system logs, rather than result in a machine that is just completely dead. The only valid situation for BUG_ON() is when continuing is not an option, because there is massive corruption. But if you are just verifying that something is true, you warn about your broken assumptions (preferably just once), and limp on. Fixes: 22f2ac51 ("mm: workingset: fix crash in shadow node shrinker caused by replace_page_cache_page()") Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Miklos Szeredi <miklos@szeredi.hu> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by:
Michal Hocko <mhocko@suse.com> Signed-off-by:
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Johannes Weiner authored
commit 3ddf40e8 upstream. Commit 22f2ac51 ("mm: workingset: fix crash in shadow node shrinker caused by replace_page_cache_page()") switched replace_page_cache() from raw radix tree operations to page_cache_tree_insert() but didn't take into account that the latter function, unlike the raw radix tree op, handles mapping->nrpages. As a result, that counter is bumped for each page replacement rather than balanced out even. The mapping->nrpages counter is used to skip needless radix tree walks when invalidating, truncating, syncing inodes without pages, as well as statistics for userspace. Since the error is positive, we'll do more page cache tree walks than necessary; we won't miss a necessary one. And we'll report more buffer pages to userspace than there are. The error is limited to fuse inodes. Fixes: 22f2ac51 ("mm: workingset: fix crash in shadow node shrinker caused by replace_page_cache_page()") Signed-off-by:
Johannes Weiner <hannes@cmpxchg.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Miklos Szeredi <miklos@szeredi.hu> Cc: stable@vger.kernel.org Signed-off-by:
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Johannes Weiner authored
commit 22f2ac51 upstream. Antonio reports the following crash when using fuse under memory pressure: kernel BUG at /build/linux-a2WvEb/linux-4.4.0/mm/workingset.c:346! invalid opcode: 0000 [#1] SMP Modules linked in: all of them CPU: 2 PID: 63 Comm: kswapd0 Not tainted 4.4.0-36-generic #55-Ubuntu Hardware name: System manufacturer System Product Name/P8H67-M PRO, BIOS 3904 04/27/2013 task: ffff88040cae6040 ti: ffff880407488000 task.ti: ffff880407488000 RIP: shadow_lru_isolate+0x181/0x190 Call Trace: __list_lru_walk_one.isra.3+0x8f/0x130 list_lru_walk_one+0x23/0x30 scan_shadow_nodes+0x34/0x50 shrink_slab.part.40+0x1ed/0x3d0 shrink_zone+0x2ca/0x2e0 kswapd+0x51e/0x990 kthread+0xd8/0xf0 ret_from_fork+0x3f/0x70 which corresponds to the following sanity check in the shadow node tracking: BUG_ON(node->count & RADIX_TREE_COUNT_MASK); The workingset code tracks radix tree nodes that exclusively contain shadow entries of evicted pages in them, and this (somewhat obscure) line checks whether there are real pages left that would interfere with reclaim of the radix tree node under memory pressure. While discussing ways how fuse might sneak pages into the radix tree past the workingset code, Miklos pointed to replace_page_cache_page(), and indeed there is a problem there: it properly accounts for the old page being removed - __delete_from_page_cache() does that - but then does a raw raw radix_tree_insert(), not accounting for the replacement page. Eventually the page count bits in node->count underflow while leaving the node incorrectly linked to the shadow node LRU. To address this, make sure replace_page_cache_page() uses the tracked page insertion code, page_cache_tree_insert(). This fixes the page accounting and makes sure page-containing nodes are properly unlinked from the shadow node LRU again. Also, make the sanity checks a bit less obscure by using the helpers for checking the number of pages and shadows in a radix tree node. [mhocko@suse.com: backport for 4.4] Fixes: 449dd698 ("mm: keep page cache radix tree nodes in check") Link: http://lkml.kernel.org/r/20160919155822.29498-1-hannes@cmpxchg.orgSigned-off-by:
Antonio SJ Musumeci <trapexit@spawn.link> Debugged-by:
Miklos Szeredi <miklos@szeredi.hu> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
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Vishal Verma authored
commit c09f1218 upstream. Commit 20985164 "acpi: nfit: Add support for hot-add" added support for _FIT notifications, but it neglected to verify the notification event code matches the one in the ACPI spec for "NFIT Update". Currently there is only one code in the spec, but once additional codes are added, older kernels (without this fix) will misbehave by assuming all event notifications are for an NFIT Update. Fixes: 20985164 ("acpi: nfit: Add support for hot-add") Cc: <stable@vger.kernel.org> Cc: <linux-acpi@vger.kernel.org> Cc: Dan Williams <dan.j.williams@intel.com> Reported-by:
Linda Knippers <linda.knippers@hpe.com> Signed-off-by:
Vishal Verma <vishal.l.verma@intel.com> Signed-off-by:
Dan Williams <dan.j.williams@intel.com> Signed-off-by:
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Jack Morgenstein authored
commit 6e522422 upstream. The VF administrative mac addresses (stored in the PF driver) are initialized to zero when the PF driver starts up. These addresses may be modified in the PF driver through ndo calls initiated by iproute2 or libvirt. While we allow the PF/host to change the VF admin mac address from zero to a valid unicast mac, we do not allow restoring the VF admin mac to zero. We currently only allow changing this mac to a different unicast mac. This leads to problems when libvirt scripts are used to deal with VF mac addresses, and libvirt attempts to revoke the mac so this host will not use it anymore. Fix this by allowing resetting a VF administrative MAC back to zero. Fixes: 8f7ba3ca ('net/mlx4: Add set VF mac address support') Signed-off-by:
Jack Morgenstein <jackm@dev.mellanox.co.il> Reported-by:
Moshe Levi <moshele@mellanox.com> Signed-off-by:
David S. Miller <davem@davemloft.net> Signed-off-by:
Juerg Haefliger <juerg.haefliger@hpe.com> Signed-off-by:
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Yuval Mintz authored
commit 1e6bb1a3 upstream. Not all adapters have FC-NPIV configured. If bnx2fc is used with such an adapter, driver would read irrelevant data from the the nvram and log "FC-NPIV table with bad length..." In system logs. Simply accept that reading '0' as the feature offset in nvram indicates the feature isn't there and return. Reported-by:
Andrew Patterson <andrew.patterson@hpe.com> Signed-off-by:
Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by:
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