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2016-04-04ALSA: hda - Bind with i915 only when Intel graphics is presentTakashi Iwai1-0/+15
On Skylake and onwards, the HD-audio controller driver needs to bind with i915 for having the control of power well audio domain before actually probing the codec. This leads to the load of i915 driver from the audio driver side. But, there are systems that have no Intel graphics but Nvidia or AMD GPU, although they still use HD-audio bus for the onboard audio codecs. On these, loading the i915 driver is nothing but a useless memory and CPU consumption. A simple way to avoid it is just to look for the Intel graphics PCI entry beforehand, and try to bind with i915 only when such an entry is found. Currently, it assumes the PCI display class. If another class appears, this needs to be extended (although it's very unlikely). Signed-off-by: Takashi Iwai <tiwai@suse.de>
2016-04-03Linux 4.6-rc2v4.6-rc2Linus Torvalds1-1/+1
2016-04-03Merge branch 'perf-urgent-for-linus' of ↵Linus Torvalds12-35/+98
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Ingo Molnar: "Misc kernel side fixes: - fix event leak - fix AMD PMU driver bug - fix core event handling bug - fix build bug on certain randconfigs Plus misc tooling fixes" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86/amd/ibs: Fix pmu::stop() nesting perf/core: Don't leak event in the syscall error path perf/core: Fix time tracking bug with multiplexing perf jit: genelf makes assumptions about endian perf hists: Fix determination of a callchain node's childlessness perf tools: Add missing initialization of perf_sample.cpumode in synthesized samples perf tools: Fix build break on powerpc perf/x86: Move events_sysfs_show() outside CPU_SUP_INTEL perf bench: Fix detached tarball building due to missing 'perf bench memcpy' headers perf tests: Fix tarpkg build test error output redirection
2016-04-03Merge branch 'core-urgent-for-linus' of ↵Linus Torvalds9-58/+158
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull core kernel fixes from Ingo Molnar: "This contains the nohz/atomic cleanup/fix for the fetch_or() ugliness you noted during the original nohz pull request, plus there's also misc fixes: - fix liblockdep build bug - fix uapi header build bug - print more lockdep hash collision info to help debug recent reports of hash collisions - update MAINTAINERS email address" * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: MAINTAINERS: Update my email address locking/lockdep: Print chain_key collision information uapi/linux/stddef.h: Provide __always_inline to userspace headers tools/lib/lockdep: Fix unsupported 'basename -s' in run_tests.sh locking/atomic, sched: Unexport fetch_or() timers/nohz: Convert tick dependency mask to atomic_t locking/atomic: Introduce atomic_fetch_or()
2016-04-03v4l2-mc: avoid warning about unused variableLinus Torvalds1-1/+1
Commit 840f5b0572ea ("media: au0828 disable tuner to demod link in au0828_media_device_register()") removed all uses of the 'dtv_demod', but left the variable itself around. Remove it. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-04-03Merge branch 'x86-urgent-for-linus' of ↵Linus Torvalds12-30/+246
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Thomas Gleixner: "This lot contains: - Some fixups for the fallout of the topology consolidation which unearthed AMD/Intel inconsistencies - Documentation for the x86 topology management - Support for AMD advanced power management bits - Two simple cleanups removing duplicated code" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/cpu: Add advanced power management bits x86/thread_info: Merge two !__ASSEMBLY__ sections x86/cpufreq: Remove duplicated TDP MSR macro definitions x86/Documentation: Start documenting x86 topology x86/cpu: Get rid of compute_unit_id perf/x86/amd: Cleanup Fam10h NB event constraints x86/topology: Fix AMD core count
2016-04-03Merge tag 'rproc-v4.6-rc1' of git://github.com/andersson/remoteprocLinus Torvalds2-2/+5
Pull remoteproc fix from Bjorn Andersson: "Fix incorrect error check in the ST remoteproc driver and advertise the newly created linux-remoteproc mailing list" * tag 'rproc-v4.6-rc1' of git://github.com/andersson/remoteproc: MAINTAINERS: Add mailing list for remote processor subsystems remoteproc: st: fix check of syscon_regmap_lookup_by_phandle() return value
2016-04-03Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pendingLinus Torvalds5-66/+29
Pull SCSI target fixes from Nicholas Bellinger: "This includes fixes from HCH for -rc1 configfs default_groups conversion changes that ended up breaking some iscsi-target default_groups, along with Sagi's ib_drain_qp() conversion for iser-target to use the common caller now available to RDMA kernel consumers in v4.6+ code" * git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: target: add a new add_wwn_groups fabrics method target: initialize the nacl base CIT begfore init_nodeacl target: remove ->fabric_cleanup_nodeacl iser-target: Use ib_drain_qp
2016-04-03Convert straggling drivers to new six-argument get_user_pages()Linus Torvalds2-3/+2
Commit d4edcf0d5695 ("mm/gup: Switch all callers of get_user_pages() to not pass tsk/mm") switched get_user_pages() callers to the simpler model where they no longer pass in the thread and mm pointer. But since then we've merged changes to a few drivers that re-introduce use of the old interface. Let's fix them up. They continued to work fine (thanks to the truly disgusting macros introduced in commit cde70140fed8: "mm/gup: Overload get_user_pages() functions"), but cause unnecessary build noise. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-04-03Merge tag 'configfs-for-linus-2' of git://git.infradead.org/users/hch/configfsLinus Torvalds1-2/+2
Pull configfs fix from Christoph Hellwig: "A trivial fix to the recently introduced binary attribute helper macros" * tag 'configfs-for-linus-2' of git://git.infradead.org/users/hch/configfs: configfs: fix CONFIGFS_BIN_ATTR_[RW]O definitions
2016-04-02Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds75-610/+824
Pull networking fixes from David Miller: 1) Missing device reference in IPSEC input path results in crashes during device unregistration. From Subash Abhinov Kasiviswanathan. 2) Per-queue ISR register writes not being done properly in macb driver, from Cyrille Pitchen. 3) Stats accounting bugs in bcmgenet, from Patri Gynther. 4) Lightweight tunnel's TTL and TOS were swapped in netlink dumps, from Quentin Armitage. 5) SXGBE driver has off-by-one in probe error paths, from Rasmus Villemoes. 6) Fix race in save/swap/delete options in netfilter ipset, from Vishwanath Pai. 7) Ageing time of bridge not set properly when not operating over a switchdev device. Fix from Haishuang Yan. 8) Fix GRO regression wrt nested FOU/GUE based tunnels, from Alexander Duyck. 9) IPV6 UDP code bumps wrong stats, from Eric Dumazet. 10) FEC driver should only access registers that actually exist on the given chipset, fix from Fabio Estevam. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (73 commits) net: mvneta: fix changing MTU when using per-cpu processing stmmac: fix MDIO settings Revert "stmmac: Fix 'eth0: No PHY found' regression" stmmac: fix TX normal DESC net: mvneta: use cache_line_size() to get cacheline size net: mvpp2: use cache_line_size() to get cacheline size net: mvpp2: fix maybe-uninitialized warning tun, bpf: fix suspicious RCU usage in tun_{attach, detach}_filter net: usb: cdc_ncm: adding Telit LE910 V2 mobile broadband card rtnl: fix msg size calculation in if_nlmsg_size() fec: Do not access unexisting register in Coldfire net: mvneta: replace MVNETA_CPU_D_CACHE_LINE_SIZE with L1_CACHE_BYTES net: mvpp2: replace MVPP2_CPU_D_CACHE_LINE_SIZE with L1_CACHE_BYTES net: dsa: mv88e6xxx: Clear the PDOWN bit on setup net: dsa: mv88e6xxx: Introduce _mv88e6xxx_phy_page_{read, write} bpf: make padding in bpf_tunnel_key explicit ipv6: udp: fix UDP_MIB_IGNOREDMULTI updates bnxt_en: Fix ethtool -a reporting. bnxt_en: Fix typo in bnxt_hwrm_set_pause_common(). bnxt_en: Implement proper firmware message padding. ...
2016-04-02Merge tag 'clk-fixes-for-linus' of ↵Linus Torvalds11-45/+45
git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux Pull clk fixes from Stephen Boyd: "A handful of const updates for reset ops and a couple fixes to the newly introduced IPQ4019 clock driver" * tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: clk: qcom: ipq4019: add some fixed clocks for ddrppl and fepll clk: qcom: ipq4019: switch remaining defines to enums clk: qcom: Make reset_control_ops const clk: tegra: Make reset_control_ops const clk: sunxi: Make reset_control_ops const clk: atlas7: Make reset_control_ops const clk: rockchip: Make reset_control_ops const clk: mmp: Make reset_control_ops const clk: mediatek: Make reset_control_ops const
2016-04-02Merge tag 'pm+acpi-4.6-rc2' of ↵Linus Torvalds4-0/+64
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull power management and ACPI fix from Rafael J. Wysocki: "Just one fix for a nasty boot failure on some systems based on Intel Skylake that shipped with broken firmware where enabling hardware-coordinated P-states management (HWP) causes a faulty interrupt handler in SMM to be invoked and crash the system (Srinivas Pandruvada)" * tag 'pm+acpi-4.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI / processor: Request native thermal interrupt handling via _OSC
2016-04-02Merge branch 'akpm' (patches from Andrew)Linus Torvalds11-42/+34
Merge fixes from Andrew Morton: "11 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: .mailmap: add Christophe Ricard Make CONFIG_FHANDLE default y mm/page_isolation.c: fix the function comments oom, oom_reaper: do not enqueue task if it is on the oom_reaper_list head mm/page_isolation: fix tracepoint to mirror check function behavior mm/rmap: batched invalidations should use existing api x86/mm: TLB_REMOTE_SEND_IPI should count pages mm: fix invalid node in alloc_migrate_target() include/linux/huge_mm.h: return NULL instead of false for pmd_trans_huge_lock() mm, kasan: fix compilation for CONFIG_SLAB MAINTAINERS: orangefs mailing list is subscribers-only
2016-04-02Merge branch 'acpi-processor'Rafael J. Wysocki4-0/+64
* acpi-processor: ACPI / processor: Request native thermal interrupt handling via _OSC
2016-04-02Merge branch 'for-linus-4.6' of ↵Linus Torvalds1-20/+25
git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs Pull btrfs fixes from Chris Mason: "This has a few fixes Dave Sterba had queued up. These are all pretty small, but since they were tested I decided against waiting for more" * 'for-linus-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: btrfs: transaction_kthread() is not freezable btrfs: cleaner_kthread() doesn't need explicit freeze btrfs: do not write corrupted metadata blocks to disk btrfs: csum_tree_block: return proper errno value
2016-04-02Merge tag 'for-linus' of git://github.com/martinbrandenburg/linuxLinus Torvalds2-6/+4
Pull OrangeFS fixes from Martin Brandenburg: "Two bugfixes for OrangeFS. One is a reference counting bug and the other is a typo in client minimum version" * tag 'for-linus' of git://github.com/martinbrandenburg/linux: orangefs: minimum userspace version is 2.9.3 orangefs: don't put readdir slot twice
2016-04-02Merge tag 'arm64-fixes' of ↵Linus Torvalds7-131/+90
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Will Deacon: - fix oops when patching in alternative sequences on big-endian CPUs - reconcile asm/perf_event.h after merge window fallout with KVM ARM - defconfig updates * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: defconfig: updates for 4.6 arm64: perf: Move PMU register related defines to asm/perf_event.h arm64: opcodes.h: Add arm big-endian config options before including arm header
2016-04-02Merge tag 'sound-4.6-rc2' of ↵Linus Torvalds7-22/+79
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "A collection of small fixes: - a fix in ALSA timer core to avoid possible BUG() trigger - a fix in ALSA timer core 32bit compat layer - a few HD-audio quirks for ASUS and HP machines - AMD HD-audio HDMI controller quirks - fixes of USB-audio double-free at some error paths - a fix for memory leak in DICE driver at hotunplug" * tag 'sound-4.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: timer: Use mod_timer() for rearming the system timer ALSA: hda - fix front mic problem for a HP desktop ALSA: usb-audio: Fix double-free in error paths after snd_usb_add_audio_stream() call ALSA: hda: add AMD Polaris-10/11 AZ PCI IDs with proper driver caps ALSA: dice: fix memory leak when unplugging ALSA: hda - Apply fix for white noise on Asus N550JV, too ALSA: hda - Fix white noise on Asus N750JV headphone ALSA: hda - Asus N750JV external subwoofer fixup ALSA: timer: fix gparams ioctl compatibility for different architectures
2016-04-02.mailmap: add Christophe RicardChristophe Ricard1-0/+1
Different computers had different settings in the mail client. Some contributions appear as Christophe Ricard, others as Christophe RICARD. Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-04-02Make CONFIG_FHANDLE default yAndi Kleen1-1/+2
Newer Fedora and OpenSUSE didn't boot with my standard configuration. It took me some time to figure out why, in fact I had to write a script to try different config options systematically. The problem is that something (systemd) in dracut depends on CONFIG_FHANDLE, which adds open by file handle syscalls. While it is set in defconfigs it is very easy to miss when updating older configs because it is not default y. Make it default y and also depend on EXPERT, as dracut use is likely widespread. Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Richard Weinberger <richard.weinberger@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-04-02mm/page_isolation.c: fix the function commentsNeil Zhang1-1/+1
Commit fea85cff11de ("mm/page_isolation.c: return last tested pfn rather than failure indicator") changed the meaning of the return value. Let's change the function comments as well. Signed-off-by: Neil Zhang <neilzhang1123@hotmail.com> Cc: Joonsoo Kim <js1304@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-04-02oom, oom_reaper: do not enqueue task if it is on the oom_reaper_list headMichal Hocko1-1/+5
Commit bb29902a7515 ("oom, oom_reaper: protect oom_reaper_list using simpler way") has simplified the check for tasks already enqueued for the oom reaper by checking tsk->oom_reaper_list != NULL. This check is not sufficient because the tsk might be the head of the queue without any other tasks queued and then we would simply lockup looping on the same task. Fix the condition by checking for the head as well. Fixes: bb29902a7515 ("oom, oom_reaper: protect oom_reaper_list using simpler way") Signed-off-by: Michal Hocko <mhocko@suse.com> Acked-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-04-02mm/page_isolation: fix tracepoint to mirror check function behaviorLucas Stach1-1/+1
Page isolation has not failed if the fin pfn extends beyond the end pfn and test_pages_isolated checks this correctly. Fix the tracepoint to report the same result as the actual check function. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Acked-by: Vlastimil Babka <vbabka@suse.cz> Cc: Joonsoo Kim <js1304@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-04-02mm/rmap: batched invalidations should use existing apiNadav Amit3-28/+8
The recently introduced batched invalidations mechanism uses its own mechanism for shootdown. However, it does wrong accounting of interrupts (e.g., inc_irq_stat is called for local invalidations), trace-points (e.g., TLB_REMOTE_SHOOTDOWN for local invalidations) and may break some platforms as it bypasses the invalidation mechanisms of Xen and SGI UV. This patch reuses the existing TLB flushing mechnaisms instead. We use NULL as mm to indicate a global invalidation is required. Fixes 72b252aed506b8 ("mm: send one IPI per CPU to TLB flush all entries after unmapping pages") Signed-off-by: Nadav Amit <namit@vmware.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Rik van Riel <riel@redhat.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Ingo Molnar <mingo@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-04-02x86/mm: TLB_REMOTE_SEND_IPI should count pagesNadav Amit1-3/+9
TLB_REMOTE_SEND_IPI was recently introduced, but it counts bytes instead of pages. In addition, it does not report correctly the case in which flush_tlb_page flushes a page. Fix it to be consistent with other TLB counters. Fixes: 5b74283ab251b9d ("x86, mm: trace when an IPI is about to be sent") Signed-off-by: Nadav Amit <namit@vmware.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Rik van Riel <riel@redhat.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Ingo Molnar <mingo@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-04-02mm: fix invalid node in alloc_migrate_target()Xishi Qiu1-4/+4
It is incorrect to use next_node to find a target node, it will return MAX_NUMNODES or invalid node. This will lead to crash in buddy system allocation. Fixes: c8721bbbdd36 ("mm: memory-hotplug: enable memory hotplug to handle hugepage") Signed-off-by: Xishi Qiu <qiuxishi@huawei.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Acked-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: Joonsoo Kim <js1304@gmail.com> Cc: David Rientjes <rientjes@google.com> Cc: "Laura Abbott" <lauraa@codeaurora.org> Cc: Hui Zhu <zhuhui@xiaomi.com> Cc: Wang Xiaoqiang <wangxq10@lzu.edu.cn> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-04-02include/linux/huge_mm.h: return NULL instead of false for pmd_trans_huge_lock()Chen Gang1-1/+1
The return value of pmd_trans_huge_lock() is a pointer, not a boolean value, so use NULL instead of false as the return value. Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-04-02mm, kasan: fix compilation for CONFIG_SLABAlexander Potapenko1-1/+1
Add the missing argument to set_track(). Fixes: cd11016e5f52 ("mm, kasan: stackdepot implementation. Enable stackdepot for SLAB") Signed-off-by: Alexander Potapenko <glider@google.com> Cc: Andrey Konovalov <adech.fo@gmail.com> Cc: Christoph Lameter <cl@linux.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Konstantin Serebryany <kcc@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-04-02MAINTAINERS: orangefs mailing list is subscribers-onlyJoe Perches1-1/+1
So update MAINTAINERS to say so. Signed-off-by: Joe Perches <joe@perches.com> Cc: Mike Marshall <hubcap@omnibond.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-04-01net: mvneta: fix changing MTU when using per-cpu processingMarcin Wojtas1-14/+16
After enabling per-cpu processing it appeared that under heavy load changing MTU can result in blocking all port's interrupts and transmitting data is not possible after the change. This commit fixes above issue by disabling percpu interrupts for the time, when TXQs and RXQs are reconfigured. Signed-off-by: Marcin Wojtas <mw@semihalf.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-01Merge branch 'stmmac-fixes'David S. Miller5-54/+80
Giuseppe Cavallaro says: ==================== stmmac MDIO and normal descr fixes This patch series is to fix the problems below and recently debugged in this mailing list: o to fix a problem for the HW where the normal descriptor o to fix the mdio registration according to the different platform configurations I am resending all the patches again: built on top of net.git repo. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-01stmmac: fix MDIO settingsGiuseppe CAVALLARO4-48/+73
Initially the phy_bus_name was added to manipulate the driver name but it was recently just used to manage the fixed-link and then to take some decision at run-time. So the patch uses the is_pseudo_fixed_link and removes the phy_bus_name variable not necessary anymore. The driver can manage the mdio registration by using phy-handle, dwmac-mdio and own parameter e.g. snps,phy-addr. This patch takes care about all these possible configurations and fixes the mdio registration in case of there is a real transceiver or a switch (that needs to be managed by using fixed-link). Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Reviewed-by: Andreas Färber <afaerber@suse.de> Tested-by: Frank Schäfer <fschaefer.oss@googlemail.com> Cc: Gabriel Fernandez <gabriel.fernandez@linaro.org> Cc: Dinh Nguyen <dinh.linux@gmail.com> Cc: David S. Miller <davem@davemloft.net> Cc: Phil Reid <preid@electromag.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-01Revert "stmmac: Fix 'eth0: No PHY found' regression"Giuseppe CAVALLARO3-10/+11
This reverts commit 88f8b1bb41c6208f81b6a480244533ded7b59493. due to problems on GeekBox and Banana Pi M1 board when connected to a real transceiver instead of a switch via fixed-link. Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Cc: Gabriel Fernandez <gabriel.fernandez@linaro.org> Cc: Andreas Färber <afaerber@suse.de> Cc: Frank Schäfer <fschaefer.oss@googlemail.com> Cc: Dinh Nguyen <dinh.linux@gmail.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-01stmmac: fix TX normal DESCGiuseppe CAVALLARO1-8/+8
This patch fixs a regression raised when test on chips that use the normal descriptor layout. In fact, no len bits were set for the TDES1 and no OWN bit inside the TDES0. Signed-off-by: Giuseppe CAVALLARO <peppe.cavallaro@st.com> Tested-by: Andreas Färber <afaerber@suse.de> Cc: Fabrice Gasnier <fabrice.gasnier@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-01net: mvneta: use cache_line_size() to get cacheline sizeJisheng Zhang1-1/+1
L1_CACHE_BYTES may not be the real cacheline size, use cache_line_size to determine the cacheline size in runtime. Signed-off-by: Jisheng Zhang <jszhang@marvell.com> Suggested-by: Marcin Wojtas <mw@semihalf.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-01net: mvpp2: use cache_line_size() to get cacheline sizeJisheng Zhang1-1/+1
L1_CACHE_BYTES may not be the real cacheline size, use cache_line_size to determine the cacheline size in runtime. Signed-off-by: Jisheng Zhang <jszhang@marvell.com> Suggested-by: Marcin Wojtas <mw@semihalf.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-01net: mvpp2: fix maybe-uninitialized warningJisheng Zhang1-1/+3
This is to fix the following maybe-uninitialized warning: drivers/net/ethernet/marvell/mvpp2.c:6007:18: warning: 'err' may be used uninitialized in this function [-Wmaybe-uninitialized] Signed-off-by: Jisheng Zhang <jszhang@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-01tun, bpf: fix suspicious RCU usage in tun_{attach, detach}_filterDaniel Borkmann3-15/+30
Sasha Levin reported a suspicious rcu_dereference_protected() warning found while fuzzing with trinity that is similar to this one: [ 52.765684] net/core/filter.c:2262 suspicious rcu_dereference_protected() usage! [ 52.765688] other info that might help us debug this: [ 52.765695] rcu_scheduler_active = 1, debug_locks = 1 [ 52.765701] 1 lock held by a.out/1525: [ 52.765704] #0: (rtnl_mutex){+.+.+.}, at: [<ffffffff816a64b7>] rtnl_lock+0x17/0x20 [ 52.765721] stack backtrace: [ 52.765728] CPU: 1 PID: 1525 Comm: a.out Not tainted 4.5.0+ #264 [...] [ 52.765768] Call Trace: [ 52.765775] [<ffffffff813e488d>] dump_stack+0x85/0xc8 [ 52.765784] [<ffffffff810f2fa5>] lockdep_rcu_suspicious+0xd5/0x110 [ 52.765792] [<ffffffff816afdc2>] sk_detach_filter+0x82/0x90 [ 52.765801] [<ffffffffa0883425>] tun_detach_filter+0x35/0x90 [tun] [ 52.765810] [<ffffffffa0884ed4>] __tun_chr_ioctl+0x354/0x1130 [tun] [ 52.765818] [<ffffffff8136fed0>] ? selinux_file_ioctl+0x130/0x210 [ 52.765827] [<ffffffffa0885ce3>] tun_chr_ioctl+0x13/0x20 [tun] [ 52.765834] [<ffffffff81260ea6>] do_vfs_ioctl+0x96/0x690 [ 52.765843] [<ffffffff81364af3>] ? security_file_ioctl+0x43/0x60 [ 52.765850] [<ffffffff81261519>] SyS_ioctl+0x79/0x90 [ 52.765858] [<ffffffff81003ba2>] do_syscall_64+0x62/0x140 [ 52.765866] [<ffffffff817d563f>] entry_SYSCALL64_slow_path+0x25/0x25 Same can be triggered with PROVE_RCU (+ PROVE_RCU_REPEATEDLY) enabled from tun_attach_filter() when user space calls ioctl(tun_fd, TUN{ATTACH, DETACH}FILTER, ...) for adding/removing a BPF filter on tap devices. Since the fix in f91ff5b9ff52 ("net: sk_{detach|attach}_filter() rcu fixes") sk_attach_filter()/sk_detach_filter() now dereferences the filter with rcu_dereference_protected(), checking whether socket lock is held in control path. Since its introduction in 994051625981 ("tun: socket filter support"), tap filters are managed under RTNL lock from __tun_chr_ioctl(). Thus the sock_owned_by_user(sk) doesn't apply in this specific case and therefore triggers the false positive. Extend the BPF API with __sk_attach_filter()/__sk_detach_filter() pair that is used by tap filters and pass in lockdep_rtnl_is_held() for the rcu_dereference_protected() checks instead. Reported-by: Sasha Levin <sasha.levin@oracle.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-01Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds16-34/+152
Pull drm fixes from Dave Airlie: "Nothing too crazy in here: a bunch of AMD fixes/quirks, two msm fixes, some rockchip fixes, and a udl warning fix, along with one locking fix for displayport that seems to fix some dodgy monitors" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/udl: Use unlocked gem unreferencing drm/dp: move hw_mutex up the call stack drm/amdgpu: Don't move pinned BOs drm/radeon: Don't move pinned BOs drm/radeon: add a dpm quirk for all R7 370 parts drm/radeon: add another R7 370 quirk drm/rockchip: dw_hdmi: Don't call platform_set_drvdata() drm/rockchip: vop: Fix vop crtc cleanup drm/rockchip: dw_hdmi: Call drm_encoder_cleanup() in error path drm/rockchip: vop: Disable planes when disabling CRTC drm/rockchip: vop: Don't reject empty modesets drm/rockchip: cancel pending vblanks on close drm/rockchip: vop: fix crtc size in plane check drm/radeon: add a dpm quirk for sapphire Dual-X R7 370 2G D5 drm/amd: Beef up ACP Kconfig menu text drm/msm: fix typo in the !COMMON_CLK case drm/msm: fix bug after preclose removal
2016-04-01Merge tag 'powerpc-4.6-2' of ↵Linus Torvalds3-4/+4
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: - Fixup preempt underflow with huge pages from Sebastian Siewior - Fix altivec SPR not being saved from Oliver O'Halloran - Correct used_vsr comment from Simon Guo * tag 'powerpc-4.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc: Correct used_vsr comment powerpc/process: Fix altivec SPR not being saved powerpc/mm: Fixup preempt underflow with huge pages
2016-04-01Merge branch 'for-linus' of ↵Linus Torvalds14-193/+114
git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 fixes from Martin Schwidefsky: - A proper fix for the locking issue in the dasd driver - Wire up the new preadv2 nad pwritev2 system calls - Add the mark_rodata_ro function and set DEBUG_RODATA=y - A few more bug fixes. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390: wire up preadv2/pwritev2 syscalls s390/pci: PCI function group 0 is valid for clp_query_pci_fn s390/crypto: provide correct file mode at device register. s390/mm: handle PTE-mapped tail pages in fast gup s390: add DEBUG_RODATA support s390: disable postinit-readonly for now s390/dasd: reorder lcu and device lock s390/cpum_sf: Fix cpu hotplug notifier transitions s390/cpum_cf: Fix missing cpu hotplug notifier transition
2016-04-01ALSA: timer: Use mod_timer() for rearming the system timerTakashi Iwai1-2/+2
ALSA system timer backend stops the timer via del_timer() without sync and leaves del_timer_sync() at the close instead. This is because of the restriction by the design of ALSA timer: namely, the stop callback may be called from the timer handler, and calling the sync shall lead to a hangup. However, this also triggers a kernel BUG() when the timer is rearmed immediately after stopping without sync: kernel BUG at kernel/time/timer.c:966! Call Trace: <IRQ> [<ffffffff8239c94e>] snd_timer_s_start+0x13e/0x1a0 [<ffffffff8239e1f4>] snd_timer_interrupt+0x504/0xec0 [<ffffffff8122fca0>] ? debug_check_no_locks_freed+0x290/0x290 [<ffffffff8239ec64>] snd_timer_s_function+0xb4/0x120 [<ffffffff81296b72>] call_timer_fn+0x162/0x520 [<ffffffff81296add>] ? call_timer_fn+0xcd/0x520 [<ffffffff8239ebb0>] ? snd_timer_interrupt+0xec0/0xec0 .... It's the place where add_timer() checks the pending timer. It's clear that this may happen after the immediate restart without sync in our cases. So, the workaround here is just to use mod_timer() instead of add_timer(). This looks like a band-aid fix, but it's a right move, as snd_timer_interrupt() takes care of the continuous rearm of timer. Reported-by: Jiri Slaby <jslaby@suse.cz> Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2016-04-01s390: wire up preadv2/pwritev2 syscallsHeiko Carstens2-1/+5
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2016-04-01s390/pci: PCI function group 0 is valid for clp_query_pci_fnPierre Morel1-2/+1
The PCI function group 0 is a valid function group, it is wrong to reject it. Let's accept PCI function group 0. Signed-off-by: Pierre Morel <pmorel@linux.vnet.ibm.com> Acked-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2016-04-01MAINTAINERS: Update my email addressMasami Hiramatsu1-1/+1
Since I moved to Linaro, this old address doesn't work anymore. I'll use my kernel.org account for upstreaming. Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: acme@redhat.com Cc: rostedt@goodmis.org Link: http://lkml.kernel.org/r/1459431203-7438-1-git-send-email-mhiramat@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-04-01ALSA: hda - fix front mic problem for a HP desktopHui Wang1-0/+9
The front mic jack (pink color) can't detect any plug or unplug. After applying this fix, both detecting function and recording function work well. BugLink: https://bugs.launchpad.net/bugs/1564712 Cc: stable@vger.kernel.org Signed-off-by: Hui Wang <hui.wang@canonical.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2016-04-01drm/udl: Use unlocked gem unreferencingDaniel Vetter2-2/+2
For drm_gem_object_unreference callers are required to hold dev->struct_mutex, which these paths don't. Enforcing this requirement has become a bit more strict with commit ef4c6270bf2867e2f8032e9614d1a8cfc6c71663 Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Thu Oct 15 09:36:25 2015 +0200 drm/gem: Check locking in drm_gem_object_unreference Cc: stable@vger.kernel.org Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2016-04-01drm/dp: move hw_mutex up the call stackRob Clark1-10/+17
1) don't let other threads trying to bang on aux channel interrupt the defer timeout/logic 2) don't let other threads interrupt the i2c over aux logic Technically, according to people who actually have the DP spec, this should not be required. In practice, it makes some troublesome Dell monitor (and perhaps others) work, so probably a case of "It's compliant if it works with windows" on the hw vendor's part.. v2: rebased to come before DPCD/AUX logging patch for easier backport to stable branches. Reported-by: Dave Wysochanski <dwysocha@redhat.com> Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1274157 Cc: stable@vger.kernel.org Signed-off-by: Rob Clark <robdclark@gmail.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2016-04-01Merge branch 'drm-rockchip-next-fixes-2016-03-28' of ↵Dave Airlie4-15/+100
https://github.com/markyzq/kernel-drm-rockchip into drm-fixes bunch of rockchip fixes. * 'drm-rockchip-next-fixes-2016-03-28' of https://github.com/markyzq/kernel-drm-rockchip: drm/rockchip: dw_hdmi: Don't call platform_set_drvdata() drm/rockchip: vop: Fix vop crtc cleanup drm/rockchip: dw_hdmi: Call drm_encoder_cleanup() in error path drm/rockchip: vop: Disable planes when disabling CRTC drm/rockchip: vop: Don't reject empty modesets drm/rockchip: cancel pending vblanks on close drm/rockchip: vop: fix crtc size in plane check
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