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2019-08-30Merge tag 'drm-fixes-2019-08-30' of git://anongit.freedesktop.org/drm/drmLinus Torvalds16-47/+161
Pull drm fixes from Dave Airlie: "Nothing too crazy, there's probably more patches than I'd like at this stage, but they are all pretty self contained: amdgpu: - Fix GFXOFF regression for PCO and RV2 - Fix missing fence reference - Fix VG20 power readings on certain SMU firmware versions - Fix dpm level setup for VG20 - Add an ATPX laptop quirk i915: - Fix DP MST max BPC property creation after DRM register - Fix unused ggtt deballooning and NULL dereference in guest - Fix DSC eDP transcoder identification - Fix WARN from DMA API debug by setting DMA max segment size qxl: - Make qxl reservel the vga ports using vgaargb to prevent switching to vga compatibility mode. omap: - Fix omap port lookup for SDI output virtio: - Use virtio_max_dma_size to fix an issue with swiotlb. komeda: - Compiler fixes to komeda. - Add missing of_node_get() call in komeda. - Reorder the komeda de-init functions" * tag 'drm-fixes-2019-08-30' of git://anongit.freedesktop.org/drm/drm: drm/komeda: Reordered the komeda's de-init functions drm/amdgpu: fix GFXOFF on Picasso and Raven2 drm/amdgpu: Add APTX quirk for Dell Latitude 5495 drm/amd/powerplay: correct Vega20 dpm level related settings drm/i915: Call dma_set_max_seg_size() in i915_driver_hw_probe() drm/i915/dp: Fix DSC enable code to use cpu_transcoder instead of encoder->type drm/i915: Don't deballoon unused ggtt drm_mm_node in linux guest drm/i915: Do not create a new max_bpc prop for MST connectors drm/powerplay: Fix Vega20 power reading again drm/powerplay: Fix Vega20 Average Power value v4 drm/amdgpu: fix dma_fence_wait without reference drm/komeda: Add missing of_node_get() call drm/komeda: Clean warning 'komeda_component_add' might be a candidate for 'gnu_printf' drm/komeda: Fix warning -Wunused-but-set-variable drm/komeda: Fix error: not allocating enough data 1592 vs 1584 drm/virtio: use virtio_max_dma_size drm/omap: Fix port lookup for SDI output drm/qxl: get vga ioports
2019-08-30Merge tag 'drm-intel-fixes-2019-08-29' of ↵Dave Airlie4-2/+19
git://anongit.freedesktop.org/drm/drm-intel into drm-fixes drm/i915 fixes for v5.3-rc7: - Fix DP MST max BPC property creation after DRM register - Fix unused ggtt deballooning and NULL dereference in guest - Fix DSC eDP transcoder identification - Fix WARN from DMA API debug by setting DMA max segment size Signed-off-by: Dave Airlie <[email protected]> From: Jani Nikula <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2019-08-30Merge tag 'drm-fixes-5.3-2019-08-28' of ↵Dave Airlie5-27/+92
git://people.freedesktop.org/~agd5f/linux into drm-fixes drm-fixes-5.3-2019-08-28: amdgpu: - Fix GFXOFF regression for PCO and RV2 - Fix missing fence reference - Fix VG20 power readings on certain SMU firmware versions - Fix dpm level setup for VG20 - Add an ATPX laptop quirk Signed-off-by: Dave Airlie <[email protected]> From: Alex Deucher <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2019-08-29Merge tag '5.3-rc6-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6Linus Torvalds7-147/+135
Pull cifs fixes from Steve French: "A few small SMB3 fixes, and a larger one to fix various older string handling functions" * tag '5.3-rc6-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6: cifs: update internal module number cifs: replace various strncpy with strscpy and similar cifs: Use kzfree() to zero out the password cifs: set domainName when a domain-key is used in multiuser
2019-08-30Merge tag 'drm-misc-fixes-2019-08-28' of ↵Dave Airlie7-18/+50
git://anongit.freedesktop.org/drm/drm-misc into drm-fixes drm-misc-fixes for v5.3 (rc7?): - Make qxl reservel the vga ports using vgaargb to prevent switching to vga compatibility mode. - Fix omap port lookup for SDI output - Use virtio_max_dma_size to fix an issue with swiotlb. - Compiler fixes to komeda. - Add missing of_node_get() call in komeda. - Reorder the komeda de-init functions. Signed-off-by: Dave Airlie <[email protected]> From: Maarten Lankhorst <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2019-08-29Merge tag 'Wimplicit-fallthrough-5.3-rc7' of ↵Linus Torvalds3-0/+8
git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux Pull fallthrough fixes from Gustavo A. R. Silva: "Fix fall-through warnings on arc and nds32 for multiple configurations" * tag 'Wimplicit-fallthrough-5.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux: nds32: Mark expected switch fall-throughs ARC: unwind: Mark expected switch fall-through
2019-08-29Merge tag 'mtd/fixes-for-5.3-rc7' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux Pull mtd fix from Miquel Raynal: "Add a 'depends on' in the core Hyperbus Kconfig entry to avoid build errors" * tag 'mtd/fixes-for-5.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: mtd: hyperbus: fix dependency and build error
2019-08-29nds32: Mark expected switch fall-throughsGustavo A. R. Silva2-0/+7
Mark switch cases where we are expecting to fall through. This patch fixes the following warnings (Building: allmodconfig nds32): include/math-emu/soft-fp.h:124:8: warning: this statement may fall through [-Wimplicit-fallthrough=] arch/nds32/kernel/signal.c:362:20: warning: this statement may fall through [-Wimplicit-fallthrough=] arch/nds32/kernel/signal.c:315:7: warning: this statement may fall through [-Wimplicit-fallthrough=] include/math-emu/op-common.h:417:11: warning: this statement may fall through [-Wimplicit-fallthrough=] include/math-emu/op-common.h:430:11: warning: this statement may fall through [-Wimplicit-fallthrough=] include/math-emu/op-common.h:310:11: warning: this statement may fall through [-Wimplicit-fallthrough=] include/math-emu/op-common.h:320:11: warning: this statement may fall through [-Wimplicit-fallthrough=] include/math-emu/op-common.h:310:11: warning: this statement may fall through [-Wimplicit-fallthrough=] include/math-emu/op-common.h:320:11: warning: this statement may fall through [-Wimplicit-fallthrough=] include/math-emu/soft-fp.h:124:8: warning: this statement may fall through [-Wimplicit-fallthrough=] include/math-emu/op-common.h:417:11: warning: this statement may fall through [-Wimplicit-fallthrough=] include/math-emu/op-common.h:430:11: warning: this statement may fall through [-Wimplicit-fallthrough=] include/math-emu/op-common.h:310:11: warning: this statement may fall through [-Wimplicit-fallthrough=] include/math-emu/op-common.h:320:11: warning: this statement may fall through [-Wimplicit-fallthrough=] include/math-emu/op-common.h:310:11: warning: this statement may fall through [-Wimplicit-fallthrough=] include/math-emu/op-common.h:320:11: warning: this statement may fall through [-Wimplicit-fallthrough=] Reported-by: Michael Ellerman <[email protected]> Signed-off-by: Gustavo A. R. Silva <[email protected]>
2019-08-29ARC: unwind: Mark expected switch fall-throughGustavo A. R. Silva1-0/+1
Mark switch cases where we are expecting to fall through. This patch fixes the following warnings (Building: haps_hs_defconfig arc): arch/arc/kernel/unwind.c: In function ‘read_pointer’: ./include/linux/compiler.h:328:5: warning: this statement may fall through [-Wimplicit-fallthrough=] do { \ ^ ./include/linux/compiler.h:338:2: note: in expansion of macro ‘__compiletime_assert’ __compiletime_assert(condition, msg, prefix, suffix) ^~~~~~~~~~~~~~~~~~~~ ./include/linux/compiler.h:350:2: note: in expansion of macro ‘_compiletime_assert’ _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^~~~~~~~~~~~~~~~~~~ ./include/linux/build_bug.h:39:37: note: in expansion of macro ‘compiletime_assert’ #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^~~~~~~~~~~~~~~~~~ ./include/linux/build_bug.h:50:2: note: in expansion of macro ‘BUILD_BUG_ON_MSG’ BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) ^~~~~~~~~~~~~~~~ arch/arc/kernel/unwind.c:573:3: note: in expansion of macro ‘BUILD_BUG_ON’ BUILD_BUG_ON(sizeof(u32) != sizeof(value)); ^~~~~~~~~~~~ arch/arc/kernel/unwind.c:575:2: note: here case DW_EH_PE_native: ^~~~ Signed-off-by: Gustavo A. R. Silva <[email protected]>
2019-08-29mtd: hyperbus: fix dependency and build errorRandy Dunlap1-0/+1
lib/devres.c, which implements devm_ioremap_resource(), is only built when CONFIG_HAS_IOMEM is set/enabled, so MTD_HYPERBUS should depend on HAS_IOMEM. Fixes a build error and a Kconfig warning (as seen on UML builds): WARNING: unmet direct dependencies detected for MTD_COMPLEX_MAPPINGS Depends on [n]: MTD [=m] && HAS_IOMEM [=n] Selected by [m]: - MTD_HYPERBUS [=m] && MTD [=m] ERROR: "devm_ioremap_resource" [drivers/mtd/hyperbus/hyperbus-core.ko] undefined! Fixes: dcc7d3446a0f ("mtd: Add support for HyperBus memory devices") Signed-off-by: Randy Dunlap <[email protected]> Cc: Vignesh Raghavendra <[email protected]> Cc: Miquel Raynal <[email protected]> Cc: Geert Uytterhoeven <[email protected]> Cc: [email protected] Acked-by: Vignesh Raghavendra <[email protected]> Signed-off-by: Miquel Raynal <[email protected]>
2019-08-28Merge tag 'arm64-fixes' of ↵Linus Torvalds5-4/+37
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Will Deacon: "Hot on the heels of our last set of fixes are a few more for -rc7. Two of them are fixing issues with our virtual interrupt controller implementation in KVM/arm, while the other is a longstanding but straightforward kallsyms fix which was been acked by Masami and resolves an initialisation failure in kprobes observed on arm64. - Fix GICv2 emulation bug (KVM) - Fix deadlock in virtual GIC interrupt injection code (KVM) - Fix kprobes blacklist init failure due to broken kallsyms lookup" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: KVM: arm/arm64: vgic-v2: Handle SGI bits in GICD_I{S,C}PENDR0 as WI KVM: arm/arm64: vgic: Fix potential deadlock when ap_list is long kallsyms: Don't let kallsyms_lookup_size_offset() fail on retrieving the first symbol
2019-08-28drm/komeda: Reordered the komeda's de-init functionsAyan Kumar Halder1-8/+15
The de-init routine should be doing the following in order:- 1. Unregister the drm device 2. Shut down the crtcs - failing to do this might cause a connector leakage See the 'commit 109c4d18e574 ("drm/arm/malidp: Ensure that the crtcs are shutdown before removing any encoder/connector")' 3. Disable the interrupts 4. Unbind the components 5. Free up DRM mode_config info Changes from v1:- 1. Re-ordered the header files inclusion 2. Rebased on top of the latest drm-misc-fixes Signed-off-by:. Ayan Kumar Halder <[email protected]> Reviewed-by: Mihail Atanassov <[email protected]> Reviewed-by: James Qian Wang (Arm Technology China) <[email protected]> Link: https://patchwork.freedesktop.org/patch/327606/
2019-08-28KVM: arm/arm64: vgic-v2: Handle SGI bits in GICD_I{S,C}PENDR0 as WIMarc Zyngier3-2/+26
A guest is not allowed to inject a SGI (or clear its pending state) by writing to GICD_ISPENDR0 (resp. GICD_ICPENDR0), as these bits are defined as WI (as per ARM IHI 0048B 4.3.7 and 4.3.8). Make sure we correctly emulate the architecture. Fixes: 96b298000db4 ("KVM: arm/arm64: vgic-new: Add PENDING registers handlers") Cc: [email protected] # 4.7+ Reported-by: Andre Przywara <[email protected]> Signed-off-by: Marc Zyngier <[email protected]> Signed-off-by: Will Deacon <[email protected]>
2019-08-27cifs: update internal module numberSteve French1-1/+1
To 2.22 Signed-off-by: Steve French <[email protected]>
2019-08-27cifs: replace various strncpy with strscpy and similarRonnie Sahlberg6-146/+112
Using strscpy is cleaner, and avoids some problems with handling maximum length strings. Linus noticed the original problem and Aurelien pointed out some additional problems. Fortunately most of this is SMB1 code (and in particular the ASCII string handling older, which is less common). Reported-by: Linus Torvalds <[email protected]> Reviewed-by: Aurelien Aptel <[email protected]> Signed-off-by: Ronnie Sahlberg <[email protected]> Signed-off-by: Steve French <[email protected]>
2019-08-27cifs: Use kzfree() to zero out the passwordDan Carpenter1-1/+1
It's safer to zero out the password so that it can never be disclosed. Fixes: 0c219f5799c7 ("cifs: set domainName when a domain-key is used in multiuser") Signed-off-by: Dan Carpenter <[email protected]> Signed-off-by: Steve French <[email protected]>
2019-08-27cifs: set domainName when a domain-key is used in multiuserRonnie Sahlberg1-0/+22
RHBZ: 1710429 When we use a domain-key to authenticate using multiuser we must also set the domainnmame for the new volume as it will be used and passed to the server in the NTLMSSP Domain-name. Signed-off-by: Ronnie Sahlberg <[email protected]> Signed-off-by: Steve French <[email protected]>
2019-08-27Merge tag 'nfs-for-5.3-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds14-118/+163
Pull NFS client bugfixes from Trond Myklebust: "Highlights include: Stable fixes: - Fix a page lock leak in nfs_pageio_resend() - Ensure O_DIRECT reports an error if the bytes read/written is 0 - Don't handle errors if the bind/connect succeeded - Revert "NFSv4/flexfiles: Abort I/O early if the layout segment was invalidat ed" Bugfixes: - Don't refresh attributes with mounted-on-file information - Fix return values for nfs4_file_open() and nfs_finish_open() - Fix pnfs layoutstats reporting of I/O errors - Don't use soft RPC calls for pNFS/flexfiles I/O, and don't abort for soft I/O errors when the user specifies a hard mount. - Various fixes to the error handling in sunrpc - Don't report writepage()/writepages() errors twice" * tag 'nfs-for-5.3-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: NFS: remove set but not used variable 'mapping' NFSv2: Fix write regression NFSv2: Fix eof handling NFS: Fix writepage(s) error handling to not report errors twice NFS: Fix spurious EIO read errors pNFS/flexfiles: Don't time out requests on hard mounts SUNRPC: Handle connection breakages correctly in call_status() Revert "NFSv4/flexfiles: Abort I/O early if the layout segment was invalidated" SUNRPC: Handle EADDRINUSE and ENOBUFS correctly pNFS/flexfiles: Turn off soft RPC calls SUNRPC: Don't handle errors if the bind/connect succeeded NFS: On fatal writeback errors, we need to call nfs_inode_remove_request() NFS: Fix initialisation of I/O result struct in nfs_pgio_rpcsetup NFS: Ensure O_DIRECT reports an error if the bytes read/written is 0 NFSv4/pnfs: Fix a page lock leak in nfs_pageio_resend() NFSv4: Fix return value in nfs_finish_open() NFSv4: Fix return values for nfs4_file_open() NFS: Don't refresh attributes with mounted-on-file information
2019-08-27Merge tag 'arc-5.3-rc7' of ↵Linus Torvalds10-38/+172
git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc Pull ARC updates from Vineet Gupta: - support for Edge Triggered IRQs in ARC IDU intc - other fixes here and there * tag 'arc-5.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc: arc: prefer __section from compiler_attributes.h dt-bindings: IDU-intc: Add support for edge-triggered interrupts dt-bindings: IDU-intc: Clean up documentation ARCv2: IDU-intc: Add support for edge-triggered interrupts ARC: unwind: Mark expected switch fall-throughs ARC: [plat-hsdk]: allow to switch between AXI DMAC port configurations ARC: fix typo in setup_dma_ops log message ARCv2: entry: early return from exception need not clear U & DE bits
2019-08-27Merge tag 'mfd-fixes-5.3' of ↵Linus Torvalds1-3/+3
git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd Pull MFD fix from Lee Jones: "Identify potentially unused functions in rk808 driver when !PM" * tag 'mfd-fixes-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: mfd: rk808: Make PM function declaration static mfd: rk808: Mark pm functions __maybe_unused
2019-08-27Merge tag 'sound-5.3-rc7' of ↵Linus Torvalds10-32/+73
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "A collection of small fixes as usual: - More coverage of USB-audio descriptor sanity checks - A fix for mute LED regression on Conexant HD-audio codecs - A few device-specific fixes and quirks for USB-audio and HD-audio - A fix for (die-hard remaining) possible race in sequencer core - FireWire oxfw regression fix that was introduced in 5.3-rc1" * tag 'sound-5.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: oxfw: fix to handle correct stream for PCM playback ALSA: seq: Fix potential concurrent access to the deleted pool ALSA: usb-audio: Check mixer unit bitmap yet more strictly ALSA: line6: Fix memory leak at line6_init_pcm() error path ALSA: usb-audio: Fix invalid NULL check in snd_emuusb_set_samplerate() ALSA: hda/ca0132 - Add new SBZ quirk ALSA: usb-audio: Add implicit fb quirk for Behringer UFX1604 ALSA: hda - Fixes inverted Conexant GPIO mic mute led
2019-08-27drm/amdgpu: fix GFXOFF on Picasso and Raven2Aaron Liu1-7/+7
For picasso(adev->pdev->device == 0x15d8)&raven2(adev->rev_id >= 0x8), firmware is sufficient to support gfxoff. In commit 98f58ada2d37e, for picasso&raven2, return directly and cause gfxoff disabled. Fixes: 98f58ada2d37 ("drm/amdgpu/gfx9: update pg_flags after determining if gfx off is possible") Reviewed-by: Huang Rui <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Aaron Liu <[email protected]> Signed-off-by: Alex Deucher <[email protected]> Cc: [email protected]
2019-08-27drm/amdgpu: Add APTX quirk for Dell Latitude 5495Kai-Heng Feng1-0/+1
Needs ATPX rather than _PR3 to really turn off the dGPU. This can save ~5W when dGPU is runtime-suspended. Signed-off-by: Kai-Heng Feng <[email protected]> Signed-off-by: Alex Deucher <[email protected]> Cc: [email protected]
2019-08-27drm/amd/powerplay: correct Vega20 dpm level related settingsEvan Quan1-6/+54
Correct the settings for auto mode and skip the unnecessary settings for dcefclk and fclk. Signed-off-by: Evan Quan <[email protected]> Acked-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2019-08-27Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds67-204/+415
Pull networking fixes from David Miller: 1) Use 32-bit index for tails calls in s390 bpf JIT, from Ilya Leoshkevich. 2) Fix missed EPOLLOUT events in TCP, from Eric Dumazet. Same fix for SMC from Jason Baron. 3) ipv6_mc_may_pull() should return 0 for malformed packets, not -EINVAL. From Stefano Brivio. 4) Don't forget to unpin umem xdp pages in error path of xdp_umem_reg(). From Ivan Khoronzhuk. 5) Fix sta object leak in mac80211, from Johannes Berg. 6) Fix regression by not configuring PHYLINK on CPU port of bcm_sf2 switches. From Florian Fainelli. 7) Revert DMA sync removal from r8169 which was causing regressions on some MIPS Loongson platforms. From Heiner Kallweit. 8) Use after free in flow dissector, from Jakub Sitnicki. 9) Fix NULL derefs of net devices during ICMP processing across collect_md tunnels, from Hangbin Liu. 10) proto_register() memory leaks, from Zhang Lin. 11) Set NLM_F_MULTI flag in multipart netlink messages consistently, from John Fastabend. * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (66 commits) r8152: Set memory to all 0xFFs on failed reg reads openvswitch: Fix conntrack cache with timeout ipv4: mpls: fix mpls_xmit for iptunnel nexthop: Fix nexthop_num_path for blackhole nexthops net: rds: add service level support in rds-info net: route dump netlink NLM_F_MULTI flag missing s390/qeth: reject oversized SNMP requests sock: fix potential memory leak in proto_register() MAINTAINERS: Add phylink keyword to SFF/SFP/SFP+ MODULE SUPPORT xfrm/xfrm_policy: fix dst dev null pointer dereference in collect_md mode ipv4/icmp: fix rt dst dev null pointer dereference openvswitch: Fix log message in ovs conntrack bpf: allow narrow loads of some sk_reuseport_md fields with offset > 0 bpf: fix use after free in prog symbol exposure bpf: fix precision tracking in presence of bpf2bpf calls flow_dissector: Fix potential use-after-free on BPF_PROG_DETACH Revert "r8169: remove not needed call to dma_sync_single_for_device" ipv6: propagate ipv6_add_dev's error returns out of ipv6_find_idev net/ncsi: Fix the payload copying for the request coming from Netlink qed: Add cleanup in qed_slowpath_start() ...
2019-08-27KVM: arm/arm64: vgic: Fix potential deadlock when ap_list is longHeyi Guo1-0/+7
If the ap_list is longer than 256 entries, merge_final() in list_sort() will call the comparison callback with the same element twice, causing a deadlock in vgic_irq_cmp(). Fix it by returning early when irqa == irqb. Cc: [email protected] # 4.7+ Fixes: 8e4447457965 ("KVM: arm/arm64: vgic-new: Add IRQ sorting") Signed-off-by: Zenghui Yu <[email protected]> Signed-off-by: Heyi Guo <[email protected]> [maz: massaged commit log and patch, added Fixes and Cc-stable] Signed-off-by: Marc Zyngier <[email protected]> Signed-off-by: Will Deacon <[email protected]>
2019-08-27kallsyms: Don't let kallsyms_lookup_size_offset() fail on retrieving the ↵Marc Zyngier1-2/+4
first symbol An arm64 kernel configured with CONFIG_KPROBES=y CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set CONFIG_KALLSYMS_BASE_RELATIVE=y reports the following kprobe failure: [ 0.032677] kprobes: failed to populate blacklist: -22 [ 0.033376] Please take care of using kprobes. It appears that kprobe fails to retrieve the symbol at address 0xffff000010081000, despite this symbol being in System.map: ffff000010081000 T __exception_text_start This symbol is part of the first group of aliases in the kallsyms_offsets array (symbol names generated using ugly hacks in scripts/kallsyms.c): kallsyms_offsets: .long 0x1000 // do_undefinstr .long 0x1000 // efi_header_end .long 0x1000 // _stext .long 0x1000 // __exception_text_start .long 0x12b0 // do_cp15instr Looking at the implementation of get_symbol_pos(), it returns the lowest index for aliasing symbols. In this case, it return 0. But kallsyms_lookup_size_offset() considers 0 as a failure, which is obviously wrong (there is definitely a valid symbol living there). In turn, the kprobe blacklisting stops abruptly, hence the original error. A CONFIG_KALLSYMS_ALL kernel wouldn't fail as there is always some random symbols at the beginning of this array, which are never looked up via kallsyms_lookup_size_offset. Fix it by considering that get_symbol_pos() is always successful (which is consistent with the other uses of this function). Fixes: ffc5089196446 ("[PATCH] Create kallsyms_lookup_size_offset()") Reviewed-by: Masami Hiramatsu <[email protected]> Cc: Arnaldo Carvalho de Melo <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Will Deacon <[email protected]> Cc: Catalin Marinas <[email protected]> Signed-off-by: Marc Zyngier <[email protected]> Signed-off-by: Will Deacon <[email protected]>
2019-08-27NFS: remove set but not used variable 'mapping'YueHaibing1-2/+0
Fixes gcc '-Wunused-but-set-variable' warning: fs/nfs/write.c: In function nfs_page_async_flush: fs/nfs/write.c:609:24: warning: variable mapping set but not used [-Wunused-but-set-variable] It is not use since commit aefb623c422e ("NFS: Fix writepage(s) error handling to not report errors twice") Reported-by: Hulk Robot <[email protected]> Signed-off-by: YueHaibing <[email protected]> Signed-off-by: Trond Myklebust <[email protected]>
2019-08-27NFSv2: Fix write regressionTrond Myklebust1-1/+3
Ensure we update the write result count on success, since the RPC call itself does not do so. Reported-by: Jan Stancek <[email protected]> Reported-by: Naresh Kamboju <[email protected]> Signed-off-by: Trond Myklebust <[email protected]> Tested-by: Jan Stancek <[email protected]>
2019-08-27NFSv2: Fix eof handlingTrond Myklebust1-1/+2
If we received a reply from the server with a zero length read and no error, then that implies we are at eof. Signed-off-by: Trond Myklebust <[email protected]>
2019-08-27mfd: rk808: Make PM function declaration staticLee Jones1-1/+1
Avoids: ../drivers/mfd/rk808.c:771:1: warning: symbol 'rk8xx_pm_ops' \ was not declared. Should it be static? Fixes: 5752bc4373b2 ("mfd: rk808: Mark pm functions __maybe_unused") Reviewed-by: Arnd Bergmann <[email protected]> Signed-off-by: Lee Jones <[email protected]>
2019-08-27drm/i915: Call dma_set_max_seg_size() in i915_driver_hw_probe()Lyude Paul1-0/+6
Currently, we don't call dma_set_max_seg_size() for i915 because we intentionally do not limit the segment length that the device supports. However, this results in a warning being emitted if we try to map anything larger than SZ_64K on a kernel with CONFIG_DMA_API_DEBUG_SG enabled: [ 7.751926] DMA-API: i915 0000:00:02.0: mapping sg segment longer than device claims to support [len=98304] [max=65536] [ 7.751934] WARNING: CPU: 5 PID: 474 at kernel/dma/debug.c:1220 debug_dma_map_sg+0x20f/0x340 This was originally brought up on https://bugs.freedesktop.org/show_bug.cgi?id=108517 , and the consensus there was it wasn't really useful to set a limit (and that dma-debug isn't really all that useful for i915 in the first place). Unfortunately though, CONFIG_DMA_API_DEBUG_SG is enabled in the debug configs for various distro kernels. Since a WARN_ON() will disable automatic problem reporting (and cause any CI with said option enabled to start complaining), we really should just fix the problem. Note that as me and Chris Wilson discussed, the other solution for this would be to make DMA-API not make such assumptions when a driver hasn't explicitly set a maximum segment size. But, taking a look at the commit which originally introduced this behavior, commit 78c47830a5cb ("dma-debug: check scatterlist segments"), there is an explicit mention of this assumption and how it applies to devices with no segment size: Conversely, devices which are less limited than the rather conservative defaults, or indeed have no limitations at all (e.g. GPUs with their own internal MMU), should be encouraged to set appropriate dma_parms, as they may get more efficient DMA mapping performance out of it. So unless there's any concerns (I'm open to discussion!), let's just follow suite and call dma_set_max_seg_size() with UINT_MAX as our limit to silence any warnings. Changes since v3: * Drop patch for enabling CONFIG_DMA_API_DEBUG_SG in CI. It looks like just turning it on causes the kernel to spit out bogus WARN_ONs() during some igt tests which would otherwise require teaching igt to disable the various DMA-API debugging options causing this. This is too much work to be worth it, since DMA-API debugging is useless for us. So, we'll just settle with this single patch to squelch WARN_ONs() during driver load for users that have CONFIG_DMA_API_DEBUG_SG turned on for some reason. * Move dma_set_max_seg_size() call into i915_driver_hw_probe() - Chris Wilson Signed-off-by: Lyude Paul <[email protected]> Reviewed-by: Chris Wilson <[email protected]> Cc: <[email protected]> # v4.18+ Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] (cherry picked from commit acd674af95d3f627062007429b9c195c6b32361d) Signed-off-by: Jani Nikula <[email protected]>
2019-08-27drm/i915/dp: Fix DSC enable code to use cpu_transcoder instead of encoder->typeManasi Navare1-1/+1
This patch fixes the intel_configure_pps_for_dsc_encoder() function to use cpu_transcoder instead of encoder->type to select the correct DSC registers that was wrongly used in the original patch for one DSC register isntance. Fixes: 7182414e2530 ("drm/i915/dp: Configure i915 Picture parameter Set registers during DSC enabling") Cc: Ville Syrjala <[email protected]> Cc: Maarten Lankhorst <[email protected]> Cc: Jani Nikula <[email protected]> Cc: <[email protected]> # v5.0+ Signed-off-by: Manasi Navare <[email protected]> Reviewed-by: Maarten Lankhorst <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] (cherry picked from commit d4c61c4a16decd8ace8660f22c81609a539fccba) Signed-off-by: Jani Nikula <[email protected]>
2019-08-27drm/i915: Don't deballoon unused ggtt drm_mm_node in linux guestXiong Zhang1-0/+3
The following call trace may exist in linux guest dmesg when guest i915 driver is unloaded. [ 90.776610] [drm:vgt_deballoon_space.isra.0 [i915]] deballoon space: range [0x0 - 0x0] 0 KiB. [ 90.776621] BUG: unable to handle kernel NULL pointer dereference at 00000000000000c0 [ 90.776691] IP: drm_mm_remove_node+0x4d/0x320 [drm] [ 90.776718] PGD 800000012c7d0067 P4D 800000012c7d0067 PUD 138e4c067 PMD 0 [ 90.777091] task: ffff9adab60f2f00 task.stack: ffffaf39c0fe0000 [ 90.777142] RIP: 0010:drm_mm_remove_node+0x4d/0x320 [drm] [ 90.777573] Call Trace: [ 90.777653] intel_vgt_deballoon+0x4c/0x60 [i915] [ 90.777729] i915_ggtt_cleanup_hw+0x121/0x190 [i915] [ 90.777792] i915_driver_unload+0x145/0x180 [i915] [ 90.777856] i915_pci_remove+0x15/0x20 [i915] [ 90.777890] pci_device_remove+0x3b/0xc0 [ 90.777916] device_release_driver_internal+0x157/0x220 [ 90.777945] driver_detach+0x39/0x70 [ 90.777967] bus_remove_driver+0x51/0xd0 [ 90.777990] pci_unregister_driver+0x23/0x90 [ 90.778019] SyS_delete_module+0x1da/0x240 [ 90.778045] entry_SYSCALL_64_fastpath+0x24/0x87 [ 90.778072] RIP: 0033:0x7f34312af067 [ 90.778092] RSP: 002b:00007ffdea3da0d8 EFLAGS: 00000206 [ 90.778297] RIP: drm_mm_remove_node+0x4d/0x320 [drm] RSP: ffffaf39c0fe3dc0 [ 90.778344] ---[ end trace f4b1bc8305fc59dd ]--- Four drm_mm_node are used to reserve guest ggtt space, but some of them may be skipped and not initialised due to space constraints in intel_vgt_balloon(). If drm_mm_remove_node() is called with uninitialized drm_mm_node, the above call trace occurs. This patch check drm_mm_node's validity before calling drm_mm_remove_node(). Fixes: ff8f797557c7("drm/i915: return the correct usable aperture size under gvt environment") Cc: [email protected] Signed-off-by: Xiong Zhang <[email protected]> Acked-by: Zhenyu Wang <[email protected]> Reviewed-by: Chris Wilson <[email protected]> Signed-off-by: Chris Wilson <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] (cherry picked from commit 4776f3529d6b1e47f02904ad1d264d25ea22b27b) Signed-off-by: Jani Nikula <[email protected]>
2019-08-27drm/i915: Do not create a new max_bpc prop for MST connectorsVille Syrjälä1-1/+9
We're not allowed to create new properties after device registration so for MST connectors we need to either create the max_bpc property earlier, or we reuse one we already have. Let's do the latter apporach since the corresponding SST connector already has the prop and its min/max are correct also for the MST connector. The problem was highlighted by commit 4f5368b5541a ("drm/kms: Catch mode_object lifetime errors") which results in the following spew: [ 1330.878941] WARNING: CPU: 2 PID: 1554 at drivers/gpu/drm/drm_mode_object.c:45 __drm_mode_object_add+0xa0/0xb0 [drm] ... [ 1330.879008] Call Trace: [ 1330.879023] drm_property_create+0xba/0x180 [drm] [ 1330.879036] drm_property_create_range+0x15/0x30 [drm] [ 1330.879048] drm_connector_attach_max_bpc_property+0x62/0x80 [drm] [ 1330.879086] intel_dp_add_mst_connector+0x11f/0x140 [i915] [ 1330.879094] drm_dp_add_port.isra.20+0x20b/0x440 [drm_kms_helper] ... Cc: [email protected] Cc: Lyude Paul <[email protected]> Cc: [email protected] Cc: Daniel Vetter <[email protected]> Cc: Sean Paul <[email protected]> Fixes: 5ca0ef8a56b8 ("drm/i915: Add max_bpc property for DP MST") Signed-off-by: Ville Syrjälä <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] Reviewed-by: José Roberto de Souza <[email protected]> Reviewed-by: Lyude Paul <[email protected]> (cherry picked from commit 1b9bd09630d4db4827cc04d358a41a16a6bc2cb0) Signed-off-by: Jani Nikula <[email protected]>
2019-08-27mfd: rk808: Mark pm functions __maybe_unusedArnd Bergmann1-2/+2
The newly added suspend/resume functions are only used if CONFIG_PM is enabled: drivers/mfd/rk808.c:752:12: error: 'rk8xx_resume' defined but not used [-Werror=unused-function] drivers/mfd/rk808.c:732:12: error: 'rk8xx_suspend' defined but not used [-Werror=unused-function] Mark them as __maybe_unused so the compiler can silently drop them when they are not needed. Fixes: 586c1b4125b3 ("mfd: rk808: Add RK817 and RK809 support") Signed-off-by: Arnd Bergmann <[email protected]> Signed-off-by: Lee Jones <[email protected]>
2019-08-26drm/powerplay: Fix Vega20 power reading againKent Russell2-6/+8
For the 40.46 SMU release, they changed CurrSocketPower to AverageSocketPower, but this was changed back in 40.47 so just check if it's 40.46 and make the appropriate change Tested with 40.45, 40.46 and 40.47 successfully Signed-off-by: Kent Russell <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2019-08-26drm/powerplay: Fix Vega20 Average Power value v4Kent Russell2-2/+13
The SMU changed reading from CurrSocketPower to AverageSocketPower, so reflect this accordingly. This fixes the issue where Average Power Consumption was being reported as 0 from SMU 40.46-onward v2: Fixed headline prefix v3: Add check for SMU version for proper compatibility v4: Style fix Signed-off-by: Kent Russell <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2019-08-26drm/amdgpu: fix dma_fence_wait without referenceChristian König1-12/+15
We need to grab a reference to the fence we wait for. Signed-off-by: Christian König <[email protected]> Reviewed-by: Chunming Zhou <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2019-08-26NFS: Fix writepage(s) error handling to not report errors twiceTrond Myklebust1-8/+13
If writepage()/writepages() saw an error, but handled it without reporting it, we should not be re-reporting that error on exit. Signed-off-by: Trond Myklebust <[email protected]>
2019-08-26NFS: Fix spurious EIO read errorsTrond Myklebust3-21/+36
If the client attempts to read a page, but the read fails due to some spurious error (e.g. an ACCESS error or a timeout, ...) then we need to allow other processes to retry. Also try to report errors correctly when doing a synchronous readpage. Signed-off-by: Trond Myklebust <[email protected]>
2019-08-26pNFS/flexfiles: Don't time out requests on hard mountsTrond Myklebust1-2/+9
If the mount is hard, we should ignore the 'io_maxretrans' module parameter so that we always keep retrying. Signed-off-by: Trond Myklebust <[email protected]>
2019-08-26SUNRPC: Handle connection breakages correctly in call_status()Trond Myklebust1-1/+1
If the connection breaks while we're waiting for a reply from the server, then we want to immediately try to reconnect. Fixes: ec6017d90359 ("SUNRPC fix regression in umount of a secure mount") Signed-off-by: Trond Myklebust <[email protected]>
2019-08-26Revert "NFSv4/flexfiles: Abort I/O early if the layout segment was invalidated"Trond Myklebust3-25/+0
This reverts commit a79f194aa4879e9baad118c3f8bb2ca24dbef765. The mechanism for aborting I/O is racy, since we are not guaranteed that the request is asleep while we're changing both task->tk_status and task->tk_action. Signed-off-by: Trond Myklebust <[email protected]> Cc: [email protected] # v5.1
2019-08-26SUNRPC: Handle EADDRINUSE and ENOBUFS correctlyTrond Myklebust1-3/+7
If a connect or bind attempt returns EADDRINUSE, that means we want to retry with a different port. It is not a fatal connection error. Similarly, ENOBUFS is not fatal, but just indicates a memory allocation issue. Retry after a short delay. Signed-off-by: Trond Myklebust <[email protected]>
2019-08-26pNFS/flexfiles: Turn off soft RPC callsTrond Myklebust1-5/+10
The pNFS/flexfiles I/O requests are sent with the SOFTCONN flag set, so they automatically time out if the connection breaks. It should therefore not be necessary to have the soft flag set in addition. Fixes: 5f01d9539496 ("nfs41: create NFSv3 DS connection if specified") Signed-off-by: Trond Myklebust <[email protected]>
2019-08-26SUNRPC: Don't handle errors if the bind/connect succeededTrond Myklebust1-11/+24
Don't handle errors in call_bind_status()/call_connect_status() if it turns out that a previous call caused it to succeed. Signed-off-by: Trond Myklebust <[email protected]> Cc: [email protected] # v5.1+
2019-08-26arc: prefer __section from compiler_attributes.hNick Desaulniers2-6/+5
Reported-by: Sedat Dilek <[email protected]> Suggested-by: Josh Poimboeuf <[email protected]> Signed-off-by: Nick Desaulniers <[email protected]> Signed-off-by: Vineet Gupta <[email protected]>
2019-08-26dt-bindings: IDU-intc: Add support for edge-triggered interruptsMischa Jonker1-5/+14
This updates the documentation for supporting an optional extra interrupt cell to specify edge vs level triggered. Signed-off-by: Mischa Jonker <[email protected]> Reviewed-by: Rob Herring <[email protected]> Signed-off-by: Vineet Gupta <[email protected]>
2019-08-26dt-bindings: IDU-intc: Clean up documentationMischa Jonker1-4/+5
* Some lines exceeded 80 characters. * Clarified statement about AUX register interface Signed-off-by: Mischa Jonker <[email protected]> Reviewed-by: Rob Herring <[email protected]> Signed-off-by: Vineet Gupta <[email protected]>
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