- May 04, 2016
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linuxLinus Torvalds authored
Pull clk fix from Stephen Boyd: "One small bug fix for the imx6qp CAN clk definition that was causing failures and division by zeros in the kernel on those devices" * tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: clk: imx6q: fix typo in CAN clock definition
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- May 03, 2016
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Linus Torvalds authored
This is a fairly minimal fixup to the horribly bad behavior of hash_64() with certain input patterns. In particular, because the multiplicative value used for the 64-bit hash was intentionally bit-sparse (so that the multiply could be done with shifts and adds on architectures without hardware multipliers), some bits did not get spread out very much. In particular, certain fairly common bit ranges in the input (roughly bits 12-20: commonly with the most information in them when you hash things like byte offsets in files or memory that have block factors that mean that the low bits are often zero) would not necessarily show up much in the result. There's a bigger patch-series brewing to fix up things more completely, but this is the fairly minimal fix for the 64-bit hashing problem. It simply picks a much better constant multiplier, spreading the bits out a lot better. NOTE! For 32-bit architectures, the bad old hash_64() remains the same for now, since 64-bit multiplies are expensive. The bigger hashing cleanup will replace the 32-bit case with something better. The new constants were picked by George Spelvin who wrote that bigger cleanup series. I just picked out the constants and part of the comment from that series. Cc: stable@vger.kernel.org Cc: George Spelvin <linux@horizon.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/shli/mdLinus Torvalds authored
Pull MD fixes from Shaohua Li: "This update includes several trival fixes. The only important one is to fix MD bio merge, which has big performance impact" * tag 'md/4.6-rc6-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md: raid5: delete unnecessary warnning MD: make bio mergeable md/raid0: remove empty line printk from dump_zones md/raid0: fix uninitialized variable bug
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fsLinus Torvalds authored
Pull UDF fix from Jan Kara: "A fix of a regression in UDF that got introduced in 4.6-rc1 by one of the charset encoding fixes" * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: udf: Fix conversion of 'dstring' fields to UTF8
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpioLinus Torvalds authored
Pull GPIO fixes from Linus Walleij: "Here are some late but important fixes for the v4.6 kernel series. ACPI and RCAR, so two driver fixes (PM related) and a self-evident string lookup fix for ACPI GPIOs: - A serious ACPI fix targeted for stable: lookup strings were being free'd. - Revert two patches from the RCAR driver" * tag 'gpio-v4.6-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: gpiolib-acpi: Duplicate con_id string when adding it to the crs lookup list Revert "gpio: rcar: Fine-grained Runtime PM support" Revert "gpio: rcar: Add Runtime PM handling for interrupts"
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds authored
Pull networking fixes from David Miller: 1) MODULE_FIRMWARE firmware string not correct for iwlwifi 8000 chips, from Sara Sharon. 2) Fix SKB size checks in batman-adv stack on receive, from Sven Eckelmann. 3) Leak fix on mac80211 interface add error paths, from Johannes Berg. 4) Cannot invoke napi_disable() with BH disabled in myri10ge driver, fix from Stanislaw Gruszka. 5) Fix sign extension problem when computing feature masks in net_gso_ok(), from Marcelo Ricardo Leitner. 6) lan78xx driver doesn't count packets and packet lengths in its statistics properly, fix from Woojung Huh. 7) Fix the buffer allocation sizes in pegasus USB driver, from Petko Manolov. 8) Fix refcount overflows in bpf, from Alexei Starovoitov. 9) Unified dst cache handling introduced a preempt warning in ip_tunnel, fix by resetting rather then setting the cached route. From Paolo Abeni. 10) Listener hash collision test fix in soreuseport, from Craig Gallak * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (47 commits) gre: do not pull header in ICMP error processing net: Implement net_dbg_ratelimited() for CONFIG_DYNAMIC_DEBUG case tipc: only process unicast on intended node cxgb3: fix out of bounds read net/smscx5xx: use the device tree for mac address soreuseport: Fix TCP listener hash collision net: l2tp: fix reversed udp6 checksum flags ip_tunnel: fix preempt warning in ip tunnel creation/updating samples/bpf: fix trace_output example bpf: fix check_map_func_compatibility logic bpf: fix refcnt overflow drivers: net: cpsw: use of_phy_connect() in fixed-link case dt: cpsw: phy-handle, phy_id, and fixed-link are mutually exclusive drivers: net: cpsw: don't ignore phy-mode if phy-handle is used drivers: net: cpsw: fix segfault in case of bad phy-handle drivers: net: cpsw: fix parsing of phy-handle DT property in dual_emac config MAINTAINERS: net: Change maintainer for GRETH 10/100/1G Ethernet MAC device driver gre: reject GUE and FOU in collect metadata mode pegasus: fixes reported packet length pegasus: fixes URB buffer allocation size; ...
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparcLinus Torvalds authored
Pull sparc fixes from David Miller: 1) Fix panics with SR-IOV, from Babu Moger. 2) Wire up preadv2/pwritev2. 3) Allow proper auto-loading of VIO devices, from John Paul Adrian Glaubitz. 4) Recognize Sonoma cpus, from Khalid Aziz. 5) Fix bootup regressions caused by syscall trace fixes made recently. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc: sparc64: Fix bootup regressions on some Kconfig combinations. sparc64: recognize and support Sonoma CPU type sparc: Implement and wire up vio_hotplug for vio. sparc: Implement and wire up modalias_show for vio. sparc/pci: Refactor dev_archdata initialization into pci_init_dev_archdata sparc/defconfigs: Remove CONFIG_IPV6_PRIVACY sparc: Write up preadv2/pwritev2 syscalls. sparc/PCI: Fix for panic while enabling SR-IOV
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- May 02, 2016
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Jiri Benc authored
iptunnel_pull_header expects that IP header was already pulled; with this expectation, it pulls the tunnel header. This is not true in gre_err. Furthermore, ipv4_update_pmtu and ipv4_redirect expect that skb->data points to the IP header. We cannot pull the tunnel header in this path. It's just a matter of not calling iptunnel_pull_header - we don't need any of its effects. Fixes: bda7bb46 ("gre: Allow multiple protocol listener for gre protocol.") Signed-off-by:
Jiri Benc <jbenc@redhat.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Tim Bingham authored
Prior to commit d92cff89 ("net_dbg_ratelimited: turn into no-op when !DEBUG") the implementation of net_dbg_ratelimited() was buggy for both the DEBUG and CONFIG_DYNAMIC_DEBUG cases. The bug was that net_ratelimit() was being called and, despite returning true, nothing was being printed to the console. This resulted in messages like the following - "net_ratelimit: %d callbacks suppressed" with no other output nearby. After commit d92cff89 ("net_dbg_ratelimited: turn into no-op when !DEBUG") the bug is fixed for the DEBUG case. However, there's no output at all for CONFIG_DYNAMIC_DEBUG case. This patch restores debug output (if enabled) for the CONFIG_DYNAMIC_DEBUG case. Add a definition of net_dbg_ratelimited() for the CONFIG_DYNAMIC_DEBUG case. The implementation takes care to check that dynamic debugging is enabled before calling net_ratelimit(). Fixes: d92cff89 ("net_dbg_ratelimited: turn into no-op when !DEBUG") Signed-off-by:
Tim Bingham <tbingham@akamai.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Hamish Martin authored
We have observed complete lock up of broadcast-link transmission due to unacknowledged packets never being removed from the 'transmq' queue. This is traced to nodes having their ack field set beyond the sequence number of packets that have actually been transmitted to them. Consider an example where node 1 has sent 10 packets to node 2 on a link and node 3 has sent 20 packets to node 2 on another link. We see examples of an ack from node 2 destined for node 3 being treated as an ack from node 2 at node 1. This leads to the ack on the node 1 to node 2 link being increased to 20 even though we have only sent 10 packets. When node 1 does get around to sending further packets, none of the packets with sequence numbers less than 21 are actually removed from the transmq. To resolve this we reinstate some code lost in commit d999297c ("tipc: reduce locking scope during packet reception") which ensures that only messages destined for the receiving node are processed by that node. This prevents the sequence numbers from getting out of sync and resolves the packet leakage, thereby resolving the broadcast-link transmission lock-ups we observed. While we are aware that this change only patches over a root problem that we still haven't identified, this is a sanity test that it is always legitimate to do. It will remain in the code even after we identify and fix the real problem. Reviewed-by:
Chris Packham <chris.packham@alliedtelesis.co.nz> Reviewed-by:
John Thompson <john.thompson@alliedtelesis.co.nz> Signed-off-by:
Hamish Martin <hamish.martin@alliedtelesis.co.nz> Signed-off-by:
Jon Maloy <jon.maloy@ericsson.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Michal Schmidt authored
An out of bounds read of 2 bytes was discovered in cxgb3 with KASAN. t3_config_rss() expects both arrays it gets as parameters to have terminators. setup_rss(), the caller, forgets to add a terminator to one of the arrays. Thankfully the iteration in t3_config_rss() stops anyway, but in the last iteration the check for the terminator is an out of bounds read. Add the missing terminator to rspq_map[]. Reported-by:
Jan Stancek <jstancek@redhat.com> Signed-off-by:
Michal Schmidt <mschmidt@redhat.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Arnd Bergmann authored
This takes the MAC address for smsc75xx/smsc95xx USB network devices from a the device tree. This is required to get a usable persistent address on the popular beagleboard, whose hardware designers accidentally forgot that an ethernet device really requires an a MAC address to be functional. The Raspberry Pi also ships smsc9514 without a serial EEPROM, stores the MAC address in ROM accessible via VC4 firmware. The smsc75xx and smsc95xx drivers are just two copies of the same code, so better fix both. [lkundrak@v3.sk: updated to use of_get_property() as per suggestion from Arnd, reworded the message and comments a bit] Tested-by:
Lubomir Rintel <lkundrak@v3.sk> Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Signed-off-by:
Lubomir Rintel <lkundrak@v3.sk> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Craig Gallek authored
I forgot to include a check for listener port equality when deciding if two sockets should belong to the same reuseport group. This was not caught previously because it's only necessary when two listening sockets for the same user happen to hash to the same listener bucket. The same error does not exist in the UDP path. Fixes: c125e80b ("soreuseport: fast reuseport TCP socket selection") Signed-off-by:
Craig Gallek <kraig@google.com> Acked-by:
Eric Dumazet <edumazet@google.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Wang Shanker authored
This patch fixes a bug which causes the behavior of whether to ignore udp6 checksum of udp6 encapsulated l2tp tunnel contrary to what userspace program requests. When the flag `L2TP_ATTR_UDP_ZERO_CSUM6_RX` is set by userspace, it is expected that udp6 checksums of received packets of the l2tp tunnel to create should be ignored. In `l2tp_netlink.c`: `l2tp_nl_cmd_tunnel_create()`, `cfg.udp6_zero_rx_checksums` is set according to the flag, and then passed to `l2tp_core.c`: `l2tp_tunnel_create()` and then `l2tp_tunnel_sock_create()`. In `l2tp_tunnel_sock_create()`, `udp_conf.use_udp6_rx_checksums` is set the same to `cfg.udp6_zero_rx_checksums`. However, if we want the checksum to be ignored, `udp_conf.use_udp6_rx_checksums` should be set to `false`, i.e. be set to the contrary. Similarly, the same should be done to `udp_conf.use_udp6_tx_checksums`. Signed-off-by:
Miao Wang <shankerwangmiao@gmail.com> Acked-by:
James Chapman <jchapman@katalix.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Linus Torvalds authored
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- May 01, 2016
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git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermalLinus Torvalds authored
Pull thermal fixes from Eduardo Valentin: "A couple of minor fixes for the thermal subsystem. Specifics in this pull request: - Fixes in hisilicon thermal driver - More fixes of unsigned to int type change in thermal_core.c" * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal: thermal: use %d to print S32 parameters thermal: hisilicon: increase temperature resolution
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- Apr 30, 2016
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Ville Syrjälä authored
Calling gpiod_get() from a module and then unloading the module leads to an oops due to acpi_can_fallback_to_crs() storing the pointer to the passed 'con_id' string onto acpi_crs_lookup_list. The next guy to come along will then try to access the string but the memory may now be gone with the module. Make a copy of the passed string instead, and store the copy on the list. BUG: unable to handle kernel paging request at ffffffffa03e7855 IP: [<ffffffff81338322>] strcmp+0x12/0x30 PGD 2a07067 PUD 2a08063 PMD 74720067 PTE 0 Oops: 0000 [#1] PREEMPT SMP Modules linked in: i915(+) drm_kms_helper drm intel_gtt snd_hda_codec snd_hda_core i2c_algo_bit syscopya rea sysfillrect sysimgblt fb_sys_fops agpgart snd_soc_sst_bytcr_rt5640 coretemp hwmon intel_rapl intel_soc_dts_thermal punit_atom_debug snd_soc_rt5640 snd_soc_rl6231 serio snd_intel_sst_acpi snd_intel_sst_core video snd_soc_sst_mfld_platf orm snd_soc_sst_match backlight int3402_thermal processor_thermal_device int3403_thermal int3400_thermal acpi_thermal_r el snd_soc_core intel_soc_dts_iosf int340x_thermal_zone snd_compress i2c_hid hid snd_pcm snd_timer snd soundcore evdev sch_fq_codel efivarfs ipv6 autofs4 [last unloaded: drm] CPU: 2 PID: 3064 Comm: modprobe Tainted: G U W 4.6.0-rc3-ffrd-ipvr+ #302 Hardware name: Intel Corp. VALLEYVIEW C0 PLATFORM/BYT-T FFD8, BIOS BLAKFF81.X64.0088.R10.1403240443 FFD8 _X64_R_2014_13_1_00 03/24/2014 task: ffff8800701cd200 ti: ffff880070034000 task.ti: ffff880070034000 RIP: 0010:[<ffffffff81338322>] [<ffffffff81338322>] strcmp+0x12/0x30 RSP: 0000:ffff880070037748 EFLAGS: 00010286 RAX: 0000000080000000 RBX: ffff88007a342800 RCX: 0000000000000006 RDX: 0000000000000006 RSI: ffffffffa054f856 RDI: ffffffffa03e7856 RBP: ffff880070037748 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffffa054f855 R13: ffff88007281cae0 R14: 0000000000000010 R15: ffffffffffffffea FS: 00007faa51447700(0000) GS:ffff880079300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffa03e7855 CR3: 0000000041eba000 CR4: 00000000001006e0 Stack: ffff880070037770 ffffffff8136ad28 ffffffffa054f855 0000000000000000 ffff88007a0a2098 ffff8800700377e8 ffffffff8136852e ffff88007a342800 00000007700377a0 ffff8800700377a0 ffffffff81412442 70672d6c656e6170 Call Trace: [<ffffffff8136ad28>] acpi_can_fallback_to_crs+0x88/0x100 [<ffffffff8136852e>] gpiod_get_index+0x25e/0x310 [<ffffffff81412442>] ? mipi_dsi_attach+0x22/0x30 [<ffffffff813685f2>] gpiod_get+0x12/0x20 [<ffffffffa04fcf41>] intel_dsi_init+0x421/0x480 [i915] [<ffffffffa04d3783>] intel_modeset_init+0x853/0x16b0 [i915] [<ffffffffa0504864>] ? intel_setup_gmbus+0x214/0x260 [i915] [<ffffffffa0510158>] i915_driver_load+0xdc8/0x19b0 [i915] [<ffffffff8160fb53>] ? _raw_spin_unlock_irqrestore+0x43/0x70 [<ffffffffa026b13b>] drm_dev_register+0xab/0xc0 [drm] [<ffffffffa026d7b3>] drm_get_pci_dev+0x93/0x1f0 [drm] [<ffffffff8160fb53>] ? _raw_spin_unlock_irqrestore+0x43/0x70 [<ffffffffa043f1f4>] i915_pci_probe+0x34/0x50 [i915] [<ffffffff81379751>] pci_device_probe+0x91/0x100 [<ffffffff8141a75a>] driver_probe_device+0x20a/0x2d0 [<ffffffff8141a8be>] __driver_attach+0x9e/0xb0 [<ffffffff8141a820>] ? driver_probe_device+0x2d0/0x2d0 [<ffffffff81418439>] bus_for_each_dev+0x69/0xa0 [<ffffffff8141a04e>] driver_attach+0x1e/0x20 [<ffffffff81419c20>] bus_add_driver+0x1c0/0x240 [<ffffffff8141b6d0>] driver_register+0x60/0xe0 [<ffffffff81377d20>] __pci_register_driver+0x60/0x70 [<ffffffffa026d9f4>] drm_pci_init+0xe4/0x110 [drm] [<ffffffff810ce04e>] ? trace_hardirqs_on+0xe/0x10 [<ffffffffa02f1000>] ? 0xffffffffa02f1000 [<ffffffffa02f1094>] i915_init+0x94/0x9b [i915] [<ffffffff810003bb>] do_one_initcall+0x8b/0x1c0 [<ffffffff810eb616>] ? rcu_read_lock_sched_held+0x86/0x90 [<ffffffff811de6d6>] ? kmem_cache_alloc_trace+0x1f6/0x270 [<ffffffff81183826>] do_init_module+0x60/0x1dc [<ffffffff81115a8d>] load_module+0x1d0d/0x2390 [<ffffffff811120b0>] ? __symbol_put+0x70/0x70 [<ffffffff811f41b2>] ? kernel_read_file+0x92/0x120 [<ffffffff811162f4>] SYSC_finit_module+0xa4/0xb0 [<ffffffff8111631e>] SyS_finit_module+0xe/0x10 [<ffffffff81001ff3>] do_syscall_64+0x63/0x350 [<ffffffff816103da>] entry_SYSCALL64_slow_path+0x25/0x25 Code: f7 48 8d 76 01 48 8d 52 01 0f b6 4e ff 84 c9 88 4a ff 75 ed 5d c3 0f 1f 00 55 48 89 e5 eb 04 84 c0 74 18 48 8d 7f 01 48 8d 76 01 <0f> b6 47 ff 3a 46 ff 74 eb 19 c0 83 c8 01 5d c3 31 c0 5d c3 66 RIP [<ffffffff81338322>] strcmp+0x12/0x30 RSP <ffff880070037748> CR2: ffffffffa03e7855 v2: Make the copied con_id const Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: Mika Westerberg <mika.westerberg@linux.intel.com> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: stable@vger.kernel.org Fixes: 10cf4899 ("gpiolib: tighten up ACPI legacy gpio lookups") Signed-off-by:
Ville Syrjälä <ville.syrjala@linux.intel.com> Acked-by:
Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by:
Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by:
Linus Walleij <linus.walleij@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linuxLinus Torvalds authored
Pull powerpc fixes from Michael Ellerman: "A few more powerpc fixes for 4.6: - cxl: Keep IRQ mappings on context teardown from Michael Neuling - cxl: Poll for outstanding IRQs when detaching a context from Michael Neuling - Wire up preadv2 and pwritev2 syscalls from Rui Salvaterra" * tag 'powerpc-4.6-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc: wire up preadv2 and pwritev2 syscalls cxl: Poll for outstanding IRQs when detaching a context cxl: Keep IRQ mappings on context teardown
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git://git.kernel.org/pub/scm/linux/kernel/git/bp/bpLinus Torvalds authored
Pull EDAC fix from Borislav Petkov: "Make sure sb_edac and i7core_edac do not terminate MCE processing on the decoding callchain prematurely" * tag 'edac_fix_for_4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp: EDAC: i7core, sb_edac: Don't return NOTIFY_BAD from mce_decoder callback
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds authored
Pull power management fixes from Rafael Wysocki: "One revert of a recent cpufreq commit that introduced a regression and a fix for intel_pstate's Turbo Activation Ratio handling code. Specifics: - Revert cpufreq commit that attempted to fix a problem in the ondemand/conservative governor code, but did that incorrectly and introduced another problem instead (Rafael Wysocki). - Fix incorrect decoding of MSR contents related to the Turbo Activation Ratio (TAR) handling in the intel_pstate driver (Srinivas Pandruvada)" * tag 'pm+acpi-4.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: cpufreq: intel_pstate: Fix processing for turbo activation ratio Revert "cpufreq: governor: Fix negative idle_time when configured with CONFIG_HZ_PERIODIC"
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git://git.linaro.org/people/ulf.hansson/mmcLinus Torvalds authored
Pull MMC fixes from Ulf Hansson: "Here are a two MMC host fixes: - sdhci-acpi: Reduce Baytrail eMMC/SD/SDIO hangs - sunxi: Disable eMMC HS-DDR for Allwinner A80" * tag 'mmc-v4.6-rc4' of git://git.linaro.org/people/ulf.hansson/mmc: mmc: sunxi: Disable eMMC HS-DDR (MMC_CAP_1_8V_DDR) for Allwinner A80 mmc: sdhci-acpi: Reduce Baytrail eMMC/SD/SDIO hangs
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git://people.freedesktop.org/~airlied/linuxLinus Torvalds authored
Pull drm fixes from Dave Airlie: "A few fixes all over the place: radeon is probably the biggest standout, it's a fix for screen corruption or hung black outputs so I thought it was worth pulling in. Otherwise some amdgpu power control fixes, some misc vmwgfx fixes, one etnaviv fix, one virtio-gpu fix, two DP MST fixes, and a single TTM fix" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/vmwgfx: Fix order of operation drm/vmwgfx: use vmw_cmd_dx_cid_check for query commands. drm/vmwgfx: Enable SVGA_3D_CMD_DX_SET_PREDICATION drm/amdgpu: disable vm interrupts with vm_fault_stop=2 drm/amdgpu: print a message if ATPX dGPU power control is missing Revert "drm/amdgpu: disable runtime pm on PX laptops without dGPU power control" drm/radeon: fix vertical bars appear on monitor (v2) drm/ttm: fix kref count mess in ttm_bo_move_to_lru_tail drm/virtio: send vblank event after crtc updates drm/dp/mst: Restore primary hub guid on resume drm/dp/mst: Get validated port ref in drm_dp_update_payload_part1() drm/etnaviv: don't move linear memory window on 3D cores without MC2.0
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git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdmaLinus Torvalds authored
Pull rdma fixes from Doug Ledford: "Final set of -rc fixes for 4.6. I've collected up a number of patches that are all pretty small with the exception of only a couple. The hfi1 driver has a number of important patches, and it is what really drives the line count of this pull request up. These are all small and I've got this kernel built and running in the test lab (I have most of the hardware, I think nes is the only thing in this patch set that I can't say I've personally tested and have up and running). Summary: - A number of collected fixes for oopses, memory corruptions, deadlocks, etc. All of these fixes are small (many only 5-10 lines), obvious, and tested. - Fix for the security issue related to the use of write for bi-directional communications" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: RDMA/nes: don't leak skb if carrier down IB/security: Restrict use of the write() interface IB/hfi1: Use kernel default llseek for ui device IB/hfi1: Don't attempt to free resources if initialization failed IB/hfi1: Fix missing lock/unlock in verbs drain callback IB/rdmavt: Fix send scheduling IB/hfi1: Prevent unpinning of wrong pages IB/hfi1: Fix deadlock caused by locking with wrong scope IB/hfi1: Prevent NULL pointer deferences in caching code MAINTAINERS: Update iser/isert maintainer contact info IB/mlx5: Expose correct max_sge_rd limit RDMA/iw_cxgb4: Fix bar2 virt addr calculation for T4 chips iw_cxgb4: handle draining an idle qp iw_cxgb3: initialize ibdev.iwcm->ifname for port mapping iw_cxgb4: initialize ibdev.iwcm->ifname for port mapping IB/core: Don't drain non-existent rq queue-pair IB/core: Fix oops in ib_cache_gid_set_default_gid
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Shaohua Li authored
If device has R5_LOCKED set, it's legit device has R5_SkipCopy set and page != orig_page. After R5_LOCKED is clear, handle_stripe_clean_event will clear the SkipCopy flag and set page to orig_page. So the warning is unnecessary. Reported-by:
Joey Liao <joeyliao@qnap.com> Signed-off-by:
Shaohua Li <shli@fb.com>
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Linus Torvalds authored
Merge fixes from Andrew Morton: "20 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: Documentation/sysctl/vm.txt: update numa_zonelist_order description lib/stackdepot.c: allow the stack trace hash to be zero rapidio: fix potential NULL pointer dereference mm/memory-failure: fix race with compound page split/merge ocfs2/dlm: return zero if deref_done message is successfully handled Ananth has moved kcov: don't profile branches in kcov kcov: don't trace the code coverage code mm: wake kcompactd before kswapd's short sleep .mailmap: add Frank Rowand mm/hwpoison: fix wrong num_poisoned_pages accounting mm: call swap_slot_free_notify() with page lock held mm: vmscan: reclaim highmem zone if buffer_heads is over limit numa: fix /proc/<pid>/numa_maps for THP mm/huge_memory: replace VM_NO_THP VM_BUG_ON with actual VMA check mailmap: fix Krzysztof Kozlowski's misspelled name thp: keep huge zero page pinned until tlb flush mm: exclude HugeTLB pages from THP page_mapped() logic kexec: export OFFSET(page.compound_head) to find out compound tail page kexec: update VMCOREINFO for compound_order/dtor
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Paolo Abeni authored
After the commit e09acddf ("ip_tunnel: replace dst_cache with generic implementation"), a preemption debug warning is triggered on ip4 tunnels updating; the dst cache helper needs to be invoked in unpreemptible context. We don't need to load the cache on tunnel update, so this commit fixes the warning replacing the load with a dst cache reset, which is preempt safe. Fixes: e09acddf ("ip_tunnel: replace dst_cache with generic implementation") Reported-by:
Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by:
Paolo Abeni <pabeni@redhat.com> Acked-by:
Eric Dumazet <edumazet@google.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- Apr 29, 2016
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Tony Luck authored
Both of these drivers can return NOTIFY_BAD, but this terminates processing other callbacks that were registered later on the chain. Since the driver did nothing to log the error it seems wrong to prevent other interested parties from seeing it. E.g. neither of them had even bothered to check the type of the error to see if it was a memory error before the return NOTIFY_BAD. Signed-off-by:
Tony Luck <tony.luck@intel.com> Acked-by:
Aristeu Rozanski <aris@redhat.com> Acked-by:
Mauro Carvalho Chehab <mchehab@osg.samsung.com> Cc: linux-edac <linux-edac@vger.kernel.org> Cc: <stable@vger.kernel.org> Link: http://lkml.kernel.org/r/72937355dd92318d2630979666063f8a2853495b.1461864507.git.tony.luck@intel.com Signed-off-by:
Borislav Petkov <bp@suse.de>
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Rafael J. Wysocki authored
* pm-cpufreq-fixes: cpufreq: intel_pstate: Fix processing for turbo activation ratio Revert "cpufreq: governor: Fix negative idle_time when configured with CONFIG_HZ_PERIODIC"
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git://people.freedesktop.org/~agd5f/linuxDave Airlie authored
A few fixes for 4.6. - revert amdgpu PX commit that was previously reverted on the radeon side - cleaned up version of the NI+ MC update display fix for radeon - TTM kref fix * 'drm-fixes-4.6' of git://people.freedesktop.org/~agd5f/linux: drm/amdgpu: disable vm interrupts with vm_fault_stop=2 drm/amdgpu: print a message if ATPX dGPU power control is missing Revert "drm/amdgpu: disable runtime pm on PX laptops without dGPU power control" drm/radeon: fix vertical bars appear on monitor (v2) drm/ttm: fix kref count mess in ttm_bo_move_to_lru_tail
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git://people.freedesktop.org/~syeh/repos_linuxDave Airlie authored
three misc vmwgfx fixes * 'drm-vmwgfx-fixes' of git://people.freedesktop.org/~syeh/repos_linux: drm/vmwgfx: Fix order of operation drm/vmwgfx: use vmw_cmd_dx_cid_check for query commands. drm/vmwgfx: Enable SVGA_3D_CMD_DX_SET_PREDICATION
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 fixes from Ingo Molnar: "Two boot crash fixes and an IRQ handling crash fix" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/apic: Handle zero vector gracefully in clear_vector_irq() Revert "x86/mm/32: Set NX in __supported_pte_mask before enabling paging" xen/qspinlock: Don't kick CPU if IRQ is not initialized
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull perf fixes from Ingo Molnar: "x86 PMU driver fixes plus a core code race fix" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86/intel: Fix incorrect lbr_sel_mask value perf/x86/intel/pt: Don't die on VMXON perf/core: Fix perf_event_open() vs. execve() race perf/x86/amd: Set the size of event map array to PERF_COUNT_HW_MAX perf/core: Make sysctl_perf_cpu_time_max_percent conform to documentation perf/x86/intel/rapl: Add missing Haswell model perf/x86/intel: Add model number for Skylake Server to perf
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull locking fixes from Ingo Molnar: "Two lockdep fixes" * 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: lockdep: Fix lock_chain::base size locking/lockdep: Fix ->irq_context calculation
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull EFI fix from Ingo Molnar: "This fixes a bug in the efivars code" * 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: efi: Fix out-of-bounds read in variable_matches()
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediaLinus Torvalds authored
Pull media fixes from Mauro Carvalho Chehab: "Some regression fixes: - videobuf2 core: avoid the risk of going past buffer on multi-planes and fix rw mode - fix support for 4K formats at V4L2 core - fix a trouble at davinci_fpe, caused by a bad patch - usbvision: revert a patch with a partial fixup. The fixup patch was merged already, and this one has some issues" * tag 'media/v4.6-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: [media] vb2-memops: Fix over allocation of frame vectors [media] media: vb2: Fix regression on poll() for RW mode [media] v4l2-dv-timings.h: fix polarity for 4k formats [media] davinci_vpfe: Revert "staging: media: davinci_vpfe: remove,unnecessary ret variable" [media] usbvision: revert commit 588afcc1 [media] videobuf2-v4l2: Verify planes array in buffer dequeueing [media] videobuf2-core: Check user space planes array in dqbuf
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/soundLinus Torvalds authored
Pull sound fixes from Takashi Iwai: "Usually we get a big collection of fixes for ASoC once during rc. And this is it. At this time, most of fixes are about Intel Skylake ASoC driver, which is a new and still on-going development. Along with it, a slight large LOC is seen in legacy HD-audio driver, but it's merely a code move to the upper layer. Other than that, the rest are small or trivial fixes to various drivers, in addition to an ASoC dapm debugfs code fix" * tag 'sound-4.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (24 commits) ALSA: hda - Update BCLK also at hotplug for i915 HSW/BDW ALSA: hda - Add dock support for ThinkPad X260 ASoC: wm5102: Free compressed IRQ in CODEC remove ASoC: arizona: Free speaker thermal IRQs in CODEC remove ASoC: Intel: Skylake: Fix ibs/obs calc for non-integral sampling rates ASoC: Intel: sst: fix a loop timeout in sst_hsw_stream_reset() ASoC: Intel: Skylake: Fix to turn OFF codec power when entering S3 ASoC: hdac_hdmi: Fix codec power state in S3 during playback ASoC: hdac_hdmi: Fix to use dev_pm ops instead soc pm ASoC: wm8962: Correct typo when setting DSPCLK rate ASoC: nau8825: Fix jack detection across suspend ASoC: Intel: Skylake: Fix DSP resource de-allocation ASoC: Intel: Skylake: Fix for unloading module only when it is loaded ASoC: Intel: Skylake: Fix kbuild dependency ASoC: dapm: Make sure we have a card when displaying component widgets ASoC: rt5640: Correct the digital interface data select ASoC: Intel: Skylake: remove call to pci_dev_put ASoC: Intel: Skylake: Call i915 exit last ASoC: Intel: Skylake: Unmap the address last ASoC: Intel: Skylake: Freeup properly on skl_dsp_free ...
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Xishi Qiu authored
Commit 3193913c ("mm: page_alloc: default node-ordering on 64-bit NUMA, zone-ordering on 32-bit") changes the default value of numa_zonelist_order. Update the document. Signed-off-by:
Xishi Qiu <qiuxishi@huawei.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Rik van Riel <riel@redhat.com> Cc: David Rientjes <rientjes@google.com> Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Alexander Potapenko authored
Do not bail out from depot_save_stack() if the stack trace has zero hash. Initially depot_save_stack() silently dropped stack traces with zero hashes, however there's actually no point in reserving this zero value. Reported-by:
Joonsoo Kim <iamjoonsoo.kim@lge.com> Signed-off-by:
Alexander Potapenko <glider@google.com> Acked-by:
Andrey Ryabinin <aryabinin@virtuozzo.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Vladimir Zapolskiy authored
The change fixes improper check for a returned error value by class_create() function, which on error returns ERR_PTR() value, thus the original check always results in a dead code on error path. Signed-off-by:
Vladimir Zapolskiy <vz@mleia.com> Signed-off-by:
Alexandre Bounine <alexandre.bounine@idt.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Konstantin Khlebnikov authored
get_hwpoison_page() must recheck relation between head and tail pages. n-horiguchi said: without this recheck, the race causes kernel to pin an irrelevant page, and finally makes kernel crash for refcount mismatch. Signed-off-by:
Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Acked-by:
Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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