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2015-10-21Merge tag 'omap-for-v4.3/fixes-rc6' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes Merge "Fixes for omaps for v4.3-rc cycle" from Tony Lindgren: - Fix oops with LPAE and moew than 2GB of memory by enabling ZONE_DMA for LPAE. Probably no need for stable on this one as we only recently ran into this with the mainline kernel - Fix imprecise external abort caused by bogus SRAM init. This affects dm814x recently merged, so no need for stable on this one AFAIK * tag 'omap-for-v4.3/fixes-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: OMAP2+: Fix imprecise external abort caused by bogus SRAM init ARM: OMAP2+: Fix oops with LPAE and more than 2GB of memory
2015-10-19ARM: OMAP2+: Fix imprecise external abort caused by bogus SRAM initTony Lindgren
Some omaps are producing imprecise external aborts because we are wrongly trying to init SRAM for device tree based booting. Only omap3 is still using the legacy SRAM code, so we need to make it omap3 specific. Otherwise we can get errors like this on at least dm814x: Unhandled fault: imprecise external abort (0xc06) at 0xc08b156c ... (omap_rev) from [<c08b12e0>] (omap_sram_init+0xf8/0x3e0) (omap_sram_init) from [<c08aca0c>] (omap_sdrc_init+0x10/0xb0) (omap_sdrc_init) from [<c08b581c>] (pdata_quirks_init+0x18/0x44) (pdata_quirks_init) from [<c08b5478>] (omap_generic_init+0x10/0x1c) (omap_generic_init) from [<c08a57e0>] (customize_machine+0x1c/0x40) (customize_machine) from [<c00098a4>] (do_one_initcall+0x80/0x1dc) (do_one_initcall) from [<c08a2ec4>] (kernel_init_freeable+0x218/0x2e8) (kernel_init_freeable) from [<c063a554>] (kernel_init+0x8/0xec) (kernel_init) from [<c000f890>] (ret_from_fork+0x14/0x24) Let's fix the issue by making sure omap_sdrc_init only gets called for omap3. To do that, we need to have compatible "ti,omap3" in the dts files. And let's also use "ti,omap3630" instead of "ti,omap36xx" like we're supposed to. Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-10-16ARM: OMAP2+: Fix oops with LPAE and more than 2GB of memoryTony Lindgren
On boards with more than 2GB of RAM booting goes wrong with things not working and we're getting lots of l3 warnings: WARNING: CPU: 0 PID: 1 at drivers/bus/omap_l3_noc.c:147 l3_interrupt_handler+0x260/0x384() 44000000.ocp:L3 Custom Error: MASTER MMC6 TARGET DMM1 (Idle): Data Access in User mode during Functional access ... [<c044e158>] (scsi_add_host_with_dma) from [<c04705c8>] (ata_scsi_add_hosts+0x5c/0x18c) [<c04705c8>] (ata_scsi_add_hosts) from [<c046b13c>] (ata_host_register+0x150/0x2cc) [<c046b13c>] (ata_host_register) from [<c046b38c>] (ata_host_activate+0xd4/0x124) [<c046b38c>] (ata_host_activate) from [<c047f42c>] (ahci_host_activate+0x5c/0x194) [<c047f42c>] (ahci_host_activate) from [<c0480854>] (ahci_platform_init_host+0x1f0/0x3f0) [<c0480854>] (ahci_platform_init_host) from [<c047c9dc>] (ahci_probe+0x70/0x98) [<c047c9dc>] (ahci_probe) from [<c04220cc>] (platform_drv_probe+0x54/0xb4) Let's fix the issue by enabling ZONE_DMA for LPAE. Note that we need to limit dma_zone_size to 2GB as the rest of the RAM is beyond the 4GB limit. Let's also fix things for dra7 as done in similar patches in the TI tree by Lokesh Vutla <lokeshvutla@ti.com>. Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-10-15ARM: tegra: Comment out gpio-ranges propertiesThierry Reding
While the addition of these properties is technically correct it unveils a bug with deferred probe. The problem is that the presence of the gpio- range property causes the gpio-tegra driver to defer probe (it needs the pinctrl driver to be ready). That's technically correct, but it causes a couple of issues: - The keyboard on Chromebooks stops working. The reason for that is that the gpio-tegra device has not registered an IRQ domain by the time the EC SPI device is registered, hence the interrupt number resolves to 0. This is technically a bug in the SPI core, since it should really resolve the interrupt at probe time and defer if the IRQ domain isn't available yet. This is similar to what's done for I2C and platform device already. - The gpio-tegra device deferring probe means that it is moved to the end of the dpm_list. This list defines the suspend/resume order for devices. However the core lacks a way to move all users of the gpio-tegra device to the end of the dpm_list at the same time. This in turn results in a subtle bug on Jetson TK1, where the gpio-keys device is used to expose the power key as input. The power key is a convenient way to wake the system from suspend. Interestingly, the gpio-keys device ends up getting probed at a point after gpio-tegra has been probed successfully from having been deferred earlier. As such the driver doesn't need to defer the probe itself, and hence the device isn't moved to the end of the dpm_list. This causes the gpio-tegra device to be suspended before gpio-keys, which in turn leaves gpio-keys unable to wake the system from suspend. There are patches in the works to fix both of the above issues, but they are too involved to make it into v4.3, so in the meantime let's fix the regressions by commenting out the gpio-ranges properties until the fixes have landed. Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-10-15Merge tag 'omap-for-v4.3/fixes-rc5' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes Merge "Fixes for omap against v4.3-rc5" from Tony Lindgren: - Regulator fix for beagle-x15 to fix HDMI without a SD card being inserted - GPMC fix for showing proper timings and to allow enabling debug options that somehow was unselectable earlier - Add minimal documentation for new MMC1 dependency on REGULATOR_PBIAS as it may not be obvious for people with targeted .config files * tag 'omap-for-v4.3/fixes-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: Documentation: ARM: List new omap MMC requirements memory: omap-gpmc: dump "before" state before first modification memory: omap-gpmc: Fix unselectable debug option for GPMC ARM: dts: am57xx-beagle-x15: set VDD_SD to always-on
2015-10-15ARM: dts: uniphier: fix IRQ number for devices on PH1-LD6b ref boardMasahiro Yamada
The IRQ signal from external devices on this board is connected to the XIRQ4 pin of the SoC. The IRQ number should be 52, not 50. Fixes: a5e921b4771f ("ARM: dts: uniphier: add ProXstream2 and PH1-LD6b SoC/board support") Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-10-15drivers/perf: arm_pmu: avoid CPU device_node reference leakWill Deacon
of_cpu_device_node_get increments the reference count on the CPU device_node, so we must take care to of_node_put once we've finished with it. This patch fixes the perf IRQ probing code to avoid the leak. Cc: Sudeep Holla <sudeep.holla@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-10-15bus: arm-ccn: Fix irq affinity setting on CPU migrationPawel Moll
When PMU context is migrating between CPUs, interrupt affinity is set as well. Only this should not happen when the CCN interrupt is not being used at all (the driver is using a hrtimer tick instead). Fixed now. Cc: <stable@vger.kernel.org> # 4.2+ Signed-off-by: Pawel Moll <pawel.moll@arm.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-10-15bus: arm-ccn: Handle correctly no-more-cpus casePawel Moll
When migrating events the driver picks another cpu using cpumask_any_but() function, which returns value >= nr_cpu_ids when there is none available, not a negative value as the code assumed. Fixed now. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Pawel Moll <pawel.moll@arm.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-10-14ARM: meson6: DTS: Fix wrong reg mapping and IRQ numbersCarlo Caione
The DTS erronously uses the wrong reg mapping and IRQ numbers for some UART, WDT and timer nodes. Fix this. Reported-by: John Wehle <john@feith.com> Signed-off-by: Carlo Caione <carlo@endlessm.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-10-14MAINTAINERS: Update Allwinner entry and add new maintainerMaxime Ripard
Add Chen-Yu Tsai as a co-maintainer to the ARM sunxi support. While we are doing so, also update the entry for new SoCs. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-10-14ARM: ux500: modify initial levelshifter statusLinus Walleij
commit 1d8aca9df612f5751892fb2642d72536f2f48fd0 "ARM: ux500: fix MMC/SD card regression" fixed broken the level shifter: it should be default ON but became default OFF. Fixes: 1d8aca9df612 "ARM: ux500: fix MMC/SD card regression" Reported-and-tested-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-10-14ARM: pxa: fix pxa3xx DFI lockup hackArnd Bergmann
Some recently added code to avoid a bug introduced a build error when CONFIG_PM is disabled and a macro is hidden: arch/arm/mach-pxa/pxa3xx.c: In function 'pxa3xx_init': arch/arm/mach-pxa/pxa3xx.c:439:3: error: 'NDCR' undeclared (first use in this function) NDCR = (NDCR & ~NDCR_ND_ARB_EN) | NDCR_ND_ARB_CNTL; ^ This moves the macro outside of the #ifdef so it can be referenced correctly. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: adf3442cc890 ("ARM: pxa: fix DFI bus lockups on startup") Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
2015-10-14Merge tag 'imx-fixes-4.3-2' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes Pull "The i.MX fixes for 4.3, 2nd round:" from Shawn Guo: It includes a single fix for i.MX7D, which corrects the base address of UART2 in device tree. * tag 'imx-fixes-4.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: ARM: dts: imx7d: Fix UART2 base address
2015-10-14Merge tag 'berlin-fixes-for-4.3-1' of ↵Arnd Bergmann
git://git.infradead.org/users/hesselba/linux-berlin into fixes Merge "Marvell Berlin fixes for v4.3 take 1" from Sebastian Hesselbarth: - BG2Q USB PHY compatible fix (also tagged for stable v4.2) * tag 'berlin-fixes-for-4.3-1' of git://git.infradead.org/users/hesselba/linux-berlin: ARM: dts: berlin: change BG2Q's USB PHY compatible
2015-10-14Merge tag 'mvebu-fixes-4.3-1' of git://git.infradead.org/linux-mvebu into fixesArnd Bergmann
Merge "mvebu fixes for 4.3 (part 1)" from Gregory CLEMENT: DSA fixes for orion platform * tag 'mvebu-fixes-4.3-1' of git://git.infradead.org/linux-mvebu: ARM: orion: Fix DSA platform device after mvmdio conversion
2015-10-12Documentation: ARM: List new omap MMC requirementsTony Lindgren
Earlier the PBIAS regulator was optional, not so with recent omap_hsmmc changes. To make things easier for people with custom .config files, let's add minimal documentation for it as suggested by Russell King <rmk+kernel@arm.linux.org.uk>. Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-10-12memory: omap-gpmc: dump "before" state before first modificationUwe Kleine-König
When gpmc_cs_show_timings is called in gpmc_cs_set_timings() gpmc_cs_program_settings() was already run which modifies the CONFIG1 register. So to be more useful do the "before" dump earlier. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-10-12memory: omap-gpmc: Fix unselectable debug option for GPMCTony Lindgren
Commit 63aa945b1013 ("memory: omap-gpmc: Add Kconfig option for debug") added a debug option for GPMC, but somehow managed to keep it unselectable. This probably happened because I had some uncommitted changes and the GPMC option is selected in the platform specific Kconfig. Let's also update the description a bit, it does not mention that enabling the debug option also disables the reset of GPMC controller during the init as pointed out by Uwe Kleine-König <u.kleine-koenig@pengutronix.de> and Roger Quadros <rogerq@ti.com>. Fixes: 63aa945b1013 ("memory: omap-gpmc: Add Kconfig option for debug") Reported-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-10-12ARM: dts: am57xx-beagle-x15: set VDD_SD to always-onTomi Valkeinen
LDO1 regulator (VDD_SD) is connected to SoC's vddshv8. vddshv8 needs to be kept always powered (see commit 5a0f93c6576a ("ARM: dts: Add am57xx-beagle-x15"), but at the moment VDD_SD is enabled/disabled depending on whether an SD card is inserted or not. This patch sets LDO1 regulator to always-on. This patch has a side effect of fixing another issue, HDMI DDC not working when SD card is not inserted: Why this happens is that the tpd12s015 (HDMI level shifter/ESD protection chip) has LS_OE GPIO input, which needs to be enabled for the HDMI DDC to work. LS_OE comes from gpio6_28. The pin that provides gpio6_28 is powered by vddshv8, and vddshv8 comes from VDD_SD. So when SD card is not inserted, VDD_SD is disabled, and LS_OE stays off. The proper fix for the HDMI DDC issue would be to maybe have the pinctrl framework manage the pin specific power. Apparently this fixes also a third issue (copy paste from Kishon's patch): ldo1_reg in addition to being connected to the io lines is also connected to the card detect line. On card removal, omap_hsmmc driver does a regulator_disable causing card detect line to be pulled down. This raises a card insertion interrupt and once the MMC core detects there is no card inserted, it does a regulator disable which again raises a card insertion interrupt. This happens in a loop causing infinite MMC interrupts. Fixes: 5a0f93c6576a ("ARM: dts: Add am57xx-beagle-x15") Cc: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Reported-by: Louis McCarthy <compeoree@gmail.com> Acked-by: Nishanth Menon <nm@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-10-11Linux 4.3-rc5v4.3-rc5Linus Torvalds
2015-10-11Merge branch 'sched-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler fix from Thomas Gleixner: "Fix a long standing state race in finish_task_switch()" * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/core: Fix TASK_DEAD race in finish_task_switch()
2015-10-11Merge branch 'perf-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fix from Thomas Glexiner: "Fix build breakage on powerpc in perf tools" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf tools: Fix build break on powerpc due to sample_reg_masks
2015-10-11Merge branch 'x86-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull maintainer email update from Thomas Gleixner: "Change Matt Fleming's email address in the maintainers file" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: MAINTAINERS: Change Matt Fleming's email address
2015-10-11Merge branch 'irq-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq fixes from Thomas Gleixner: "Three trivial commits: - Fix a kerneldoc regression - Export handle_bad_irq to unbreak a driver in next - Add an accessor for the of_node field so refactoring in next does not depend on merge ordering" * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqdomain: Add an accessor for the of_node field genirq: Fix handle_bad_irq kerneldoc comment genirq: Export handle_bad_irq
2015-10-11Merge tag 'scsi-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "This is a set of three bug fixes, two of which are regressions from recent updates (the 3ware one from 4.1 and the device handler fixes from 4.2)" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: 3w-9xxx: don't unmap bounce buffered commands scsi_dh: Use the correct module name when loading device handler libiscsi: Fix iscsi_check_transport_timeouts possible infinite loop
2015-10-11Merge tag 'md/4.3-rc4-fix' of git://neil.brown.name/mdLinus Torvalds
Pull md bugfix from Neil Brown: "One bug fix for raid1/raid10. Very careless bug earler in 4.3-rc, now fixed :-)" * tag 'md/4.3-rc4-fix' of git://neil.brown.name/md: crash in md-raid1 and md-raid10 due to incorrect list manipulation
2015-10-11MAINTAINERS: Change Matt Fleming's email addressMatt Fleming
My Intel email address will soon expire. Replace it with my personal address so people still know where to send patches. Signed-off-by: Matt Fleming <matt.fleming@intel.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1444494136-10333-1-git-send-email-matt@codeblueprint.co.uk Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-10-10Merge tag 'usb-4.3-rc5' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB fixes from Greg KH: "Here are some small USB and PHY fixes and quirk updates for 4.3-rc5. Nothing major here, full details in the shortlog, and all of these have been in linux-next for a while" * tag 'usb-4.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: usb: Add device quirk for Logitech PTZ cameras USB: chaoskey read offset bug USB: Add reset-resume quirk for two Plantronics usb headphones. usb: renesas_usbhs: Add support for R-Car H3 usb: renesas_usbhs: fix build warning if 64-bit architecture usb: gadget: bdc: fix memory leak phy: berlin-sata: Fix module autoload for OF platform driver phy: rockchip-usb: power down phy when rockchip phy probe phy: qcom-ufs: fix build error when the component is built as a module
2015-10-10Merge tag 'tty-4.3-rc5' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty/serial driver fixes from Greg KH: "Here are a few bug fixes for the tty core that resolve reported issues, and some serial driver fixes as well (including the much-reported imx driver problem) All of these have been in linux-next with no reported problems" * tag 'tty-4.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: drivers/tty: require read access for controlling terminal serial: 8250: add uart_config entry for PORT_RT2880 tty: fix data race on tty_buffer.commit tty: fix data race in tty_buffer_flush tty: fix data race in flush_to_ldisc tty: fix stall caused by missing memory barrier in drivers/tty/n_tty.c serial: atmel: fix error path of probe function tty: don't leak cdev in tty_cdev_add() Revert "serial: imx: remove unbalanced clk_prepare"
2015-10-10Merge tag 'staging-4.3-rc5' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging fixes from Greg KH: "Here are two tiny staging tree fixes for 4.3-rc5. One fixes the broken speakup subsystem as reported by a user, and the other removes an entry in the MAINTAINERS file for a developer that doesn't want to be listed anymore" * tag 'staging-4.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging: speakup: fix speakup-r regression MAINTAINERS: Remove myself as nvec co-maintainer
2015-10-10Merge tag 'char-misc-4.3-rc5' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver fixes from Greg KH: "Here are some small fixes for some misc drivers that resolve some reported issues. All of these have been linux-next for a while" * tag 'char-misc-4.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: mcb: Fix error handling in mcb_pci_probe() mei: hbm: fix error in state check logic nvmem: sunxi: Check for memory allocation failure nvmem: core: Fix memory leak in nvmem_cell_write nvmem: core: Handle shift bits in-place if cell->nbits is non-zero nvmem: core: fix the out-of-range leak in read/write()
2015-10-10Merge git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds
Pull MIPS fixes from Ralf Baechle: - MIPS didn't define the new ioremap_uc. Defined it as an alias for ioremap_uncached. - Replace workaround for MIPS16 build issue with a correct one. * git://git.linux-mips.org/pub/scm/ralf/upstream-linus: MIPS: Define ioremap_uc MIPS: UAPI: Ignore __arch_swab{16,32,64} when using MIPS16 Revert "MIPS: UAPI: Fix unrecognized opcode WSBH/DSBH/DSHD when using MIPS16."
2015-10-10Merge branch 'stable/for-linus-4.3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb Pull swiotlb fixlet from Konrad Rzeszutek Wilk: "Enable the SWIOTLB under 32-bit PAE kernels. Nowadays most distros enable this due to CONFIG_HYPERVISOR|XEN=y which select SWIOTLB. But for those that are not interested in virtualization and wanting to use 32-bit PAE kernels and wanting to have working DMA operations - this configures it for them" * 'stable/for-linus-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb: swiotlb: Enable it under x86 PAE
2015-10-10namei: results of d_is_negative() should be checked after dentry revalidationTrond Myklebust
Leandro Awa writes: "After switching to version 4.1.6, our parallelized and distributed workflows now fail consistently with errors of the form: T34: ./regex.c:39:22: error: config.h: No such file or directory From our 'git bisect' testing, the following commit appears to be the possible cause of the behavior we've been seeing: commit 766c4cbfacd8" Al Viro says: "What happens is that 766c4cbfacd8 got the things subtly wrong. We used to treat d_is_negative() after lookup_fast() as "fall with ENOENT". That was wrong - checking ->d_flags outside of ->d_seq protection is unreliable and failing with hard error on what should've fallen back to non-RCU pathname resolution is a bug. Unfortunately, we'd pulled the test too far up and ran afoul of another kind of staleness. The dentry might have been absolutely stable from the RCU point of view (and we might be on UP, etc), but stale from the remote fs point of view. If ->d_revalidate() returns "it's actually stale", dentry gets thrown away and the original code wouldn't even have looked at its ->d_flags. What we need is to check ->d_flags where 766c4cbfacd8 does (prior to ->d_seq validation) but only use the result in cases where we do not discard this dentry outright" Reported-by: Leandro Awa <lawa@nvidia.com> Link: https://bugzilla.kernel.org/show_bug.cgi?id=104911 Fixes: 766c4cbfacd8 ("namei: d_is_negative() should be checked...") Tested-by: Leandro Awa <lawa@nvidia.com> Cc: stable@vger.kernel.org # v4.1+ Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> Acked-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-10-09Merge tag 'pm+acpi-4.3-rc5' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull power management and ACPI fixes from Rafael Wysocki: "These are four fixes for bugs in the devfreq and cpufreq subsystems, including two regression fixes (one for a recent regression and one for a problem introduced in 4.2). Specifics: - Two fixes for cpufreq regressions, an acpi-cpufreq driver one introduced during the 4.2 cycle when we started to preserve cpufreq directories for offline CPUs and a general one introduced recently (Srinivas Pandruvada). - Two devfreq fixes, one for a double kfree() in an error code path and one for a confusing sysfs-related failure (Geliang Tang, Tobias Jakobi)" * tag 'pm+acpi-4.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: cpufreq: prevent lockup on reading scaling_available_frequencies cpufreq: acpi_cpufreq: prevent crash on reading freqdomain_cpus PM / devfreq: fix double kfree PM / devfreq: Fix governor_store()
2015-10-09Merge branch 'strscpy' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile Pull strscpy powerpc fix from Chris Metcalf. Fix powerpc big-endian build. * 'strscpy' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile: arch/powerpc: provide zero_bytemask() for big-endian
2015-10-09Merge tag 'sound-4.3-rc5' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "We see various small fixes, but nothing looks too scary, all are small gentle bug fixes: - Most of changes are for ASoC codecs: Realtek, SGTL5000, TAS2552, TLV320, WM8962 - A couple of dwc and imx-ssi fixes - Usual oneliner HD-audio quirks - An old emux synth code fix" * tag 'sound-4.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: MAINTAINERS: Remove wm97xx entry ASoC: tas2552: fix dBscale-min declaration ALSA: synth: Fix conflicting OSS device registration on AWE32 ALSA: hda - Disable power_save_node for IDT 92HD73xx chips ALSA: hda - Apply SPDIF pin ctl to MacBookPro 12,1 ALSA: hda: Add dock support for ThinkPad T550 ASoC: dwc: fix dma stop transferring issue ASoC: dwc: correct irq clear method ASoC: tlv320aic3x: Prevent writing reserved registers on tlv320aic3104 CODECs ASoC: rt5645: Correct the naming and setting of ADC Boost Volume Control ASoC: sgtl5000: fix wrong register MIC_BIAS_VOLTAGE setup on probe ASoC: wm8962: balance pm_runtime_enable ASoC: imx-ssi: Fix DAI hardware signal inversions ASoC: sgtl5000: fix error message output for MicBias voltage ASoC: db1200: Fix DAI link format for db1300 and db1550
2015-10-09Merge tag 'clk-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux Pull clk fixes from Stephen Boyd: "A Samsung driver fix and a handful of TI driver fixes" * tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: clk: ti: dflt: fix enable_reg validity check clk: ti: fix dual-registration of uart4_ick clk: ti: clk-7xx: Remove hardwired ABE clock configuration clk: samsung: fix cpu clock's flags checking
2015-10-09Merge tag 'mmc-v4.3-rc4' of git://git.linaro.org/people/ulf.hansson/mmcLinus Torvalds
Pull MMC fixes from Ulf Hansson: "MMC host: - omap_hsmmc: Fix boot regressions for omap4430 - omap_hsmmc: Fix legacy boot regression for omap3 - sdhci-pxav3: Fix some clock issues for Armada 38x - sdhci-pxav3: Fix error handling at probe - sdhci-of-at91: Fix clock stabilization problem" * tag 'mmc-v4.3-rc4' of git://git.linaro.org/people/ulf.hansson/mmc: mmc: sdhci-of-at91: use SDHCI_QUIRK2_NEED_DELAY_AFTER_INT_CLK_RST quirk mmc: sdhci: add quirk SDHCI_QUIRK2_NEED_DELAY_AFTER_INT_CLK_RST mmc: sdhci-pxav3: fix error handling of armada_38x_quirks mmc: sdhci-pxav3: disable clock inversion for HS MMC cards mmc: sdhci-pxav3: remove broken clock base quirk for Armada 38x sdhci driver mmc: host: omap_hsmmc: Fix MMC for omap3 legacy booting Revert "mmc: host: omap_hsmmc: use regulator_is_enabled to find pbias status"
2015-10-09Merge tag 'dm-4.3-fixes-2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull dm fixes from Mike Snitzer: "Three stable fixes: - DM core AB-BA deadlock fix in the device destruction path (vs device creation's DM table swap). - DM raid fix to properly round up the region_size to the next power-of-2. - DM cache fix for a NULL pointer seen while switching from the "cleaner" cache policy. Two fixes for regressions introduced during the 4.3 merge: - request-based DM error propagation regressed due to incorrect changes introduced when adding the bi_error field to bio. - DM snapshot fix to only support snapshots that overflow if the client (e.g. lvm2) is prepared to deal with the associated snapshot status interface change" * tag 'dm-4.3-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm snapshot: add new persistent store option to support overflow dm cache: fix NULL pointer when switching from cleaner policy dm: fix request-based dm error reporting dm raid: fix round up of default region size dm: fix AB-BA deadlock in __dm_destroy()
2015-10-09Merge branch 'for-linus-4.3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs Pull btrfs fixes from Chris Mason: "These are small and assorted. Neil's is the oldest, I dropped the ball thinking he was going to send it in" * 'for-linus-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: Btrfs: support NFSv2 export Btrfs: open_ctree: Fix possible memory leak Btrfs: fix deadlock when finalizing block group creation Btrfs: update fix for read corruption of compressed and shared extents Btrfs: send, fix corner case for reference overwrite detection
2015-10-09Merge tag 'nfsd-4.3-1' of git://linux-nfs.org/~bfields/linuxLinus Torvalds
Pull nfsd bugfix from Bruce Fields: "Just one RDMA bugfix" * tag 'nfsd-4.3-1' of git://linux-nfs.org/~bfields/linux: svcrdma: handle rdma read with a non-zero initial page offset
2015-10-09Merge tag 'fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Arnd Bergmann: "The fixes for this week include one small patch that was years in the making and that finally fixes using all eight CPUs on exynos542x. The rest are lots of minor changes for sunxi, imx, exynos and shmobile - fixing the minimum voltage for Allwinner A20 - thermal boot issue on SMDK5250. - invalid clock used for FIMD IOMMU. - audio on Renesas r8a7790/r8a7791 - invalid clock used for FIMD IOMMU - LEDs on exynos5422-odroidxu3-common - usb pin control for imx-rex - imx53: fix PMIC interrupt level - a Makefile typo" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: dts: Fix wrong clock binding for sysmmu_fimd1_1 on exynos5420 ARM: dts: Fix bootup thermal issue on smdk5250 ARM: shmobile: r8a7791 dtsi: Add CPG/MSTP Clock Domain for sound ARM: shmobile: r8a7790 dtsi: Add CPG/MSTP Clock Domain for sound arm-cci500: Don't enable PMU driver by default ARM: dts: fix usb pin control for imx-rex dts ARM: imx53: qsrb: fix PMIC interrupt level ARM: imx53: include IRQ dt-bindings header ARM: dts: add suspend opp to exynos4412 ARM: dts: Fix LEDs on exynos5422-odroidxu3 ARM: EXYNOS: reset Little cores when cpu is up ARM: dts: Fix Makefile target for sun4i-a10-itead-iteaduino-plus ARM: dts: sunxi: Raise minimum CPU voltage for sun7i-a20 to meet SoC specifications
2015-10-09dm snapshot: add new persistent store option to support overflowMike Snitzer
Commit 76c44f6d80 introduced the possibly for "Overflow" to be reported by the snapshot device's status. Older userspace (e.g. lvm2) does not handle the "Overflow" status response. Fix this incompatibility by requiring newer userspace code, that can cope with "Overflow", request the persistent store with overflow support by using "PO" (Persistent with Overflow) for the snapshot store type. Reported-by: Zdenek Kabelac <zkabelac@redhat.com> Fixes: 76c44f6d80 ("dm snapshot: don't invalidate on-disk image on snapshot write overflow") Reviewed-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2015-10-09Merge branches 'pm-devfreq' and 'pm-cpufreq'Rafael J. Wysocki
* pm-devfreq: PM / devfreq: fix double kfree PM / devfreq: Fix governor_store() * pm-cpufreq: cpufreq: prevent lockup on reading scaling_available_frequencies cpufreq: acpi_cpufreq: prevent crash on reading freqdomain_cpus
2015-10-09irqdomain: Add an accessor for the of_node fieldMarc Zyngier
As we're about to remove the of_node field from the irqdomain structure, introduce an accessor for it. Subsequent patches will take care of the actual repainting. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Cc: Jiang Liu <jiang.liu@linux.intel.com> Cc: Jason Cooper <jason@lakedaemon.net> Link: http://lkml.kernel.org/r/1444402211-1141-1-git-send-email-marc.zyngier@arm.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2015-10-09genirq: Fix handle_bad_irq kerneldoc commentArnd Bergmann
A recent cleanup removed the 'irq' parameter from many functions, but left the documentation for this in place for at least one function. This removes it. Fixes: bd0b9ac405e1 ("genirq: Remove irq argument from irq flow handlers") Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Grygorii Strashko <grygorii.strashko@ti.com> Cc: Tony Lindgren <tony@atomide.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: kbuild-all@01.org Cc: Austin Schuh <austin@peloton-tech.com> Cc: Santosh Shilimkar <ssantosh@kernel.org> Cc: linux-arm-kernel@lists.infradead.org Link: http://lkml.kernel.org/r/5400000.cD19rmgWjV@wuerfel Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2015-10-09genirq: Export handle_bad_irqArnd Bergmann
A cleanup of the omap gpio driver introduced a use of the handle_bad_irq() function in a device driver that can be a loadable module. This broke the ARM allmodconfig build: ERROR: "handle_bad_irq" [drivers/gpio/gpio-omap.ko] undefined! This patch exports the handle_bad_irq symbol in order to allow the use in modules. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Grygorii Strashko <grygorii.strashko@ti.com> Cc: Santosh Shilimkar <ssantosh@kernel.org> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Austin Schuh <austin@peloton-tech.com> Cc: Tony Lindgren <tony@atomide.com> Cc: linux-arm-kernel@lists.infradead.org Link: http://lkml.kernel.org/r/5847725.4IBopItaOr@wuerfel Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2015-10-09dm cache: fix NULL pointer when switching from cleaner policyJoe Thornber
The cleaner policy doesn't make use of the per cache block hint space in the metadata (unlike the other policies). When switching from the cleaner policy to mq or smq a NULL pointer crash (in dm_tm_new_block) was observed. The crash was caused by bugs in dm-cache-metadata.c when trying to skip creation of the hint btree. The minimal fix is to change hint size for the cleaner policy to 4 bytes (only hint size supported). Signed-off-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Cc: stable@vger.kernel.org