- 21 Dec, 2019 4 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tipLinus Torvalds authored
Pull xen fixes from Juergen Gross: "This contains two cleanup patches and a small series for supporting reloading the Xen block backend driver" * tag 'for-linus-5.5b-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/grant-table: remove multiple BUG_ON on gnttab_interface xen-blkback: support dynamic unbind/bind xen/interface: re-define FRONT/BACK_RING_ATTACH() xenbus: limit when state is forced to closed xenbus: move xenbus_dev_shutdown() into frontend code... xen/blkfront: Adjust indentation in xlvbd_alloc_gendisk
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linuxLinus Torvalds authored
Pull powerpc fixes from Michael Ellerman: "Two weeks worth of accumulated fixes: - A fix for a performance regression seen on PowerVM LPARs using dedicated CPUs, caused by our vcpu_is_preempted() returning true even for idle CPUs. - One of the ultravisor support patches broke KVM on big endian hosts in v5.4. - Our KUAP (Kernel User Access Prevention) code missed allowing access in __clear_user(), which could lead to an oops or erroneous SEGV when triggered via PTRACE_GETREGSET. - Two fixes for the ocxl driver, an open/remove race, and a memory leak in an error path. - A handful of other small fixes. Thanks to: Andrew Donnellan, Christian Zigotzky, Christophe Leroy, Christoph Hellwig, Daniel Axtens, David Hildenbrand, Frederic Barrat, Gautham R. Shenoy, Greg Kurz, Ihor Pasichnyk, Juri Lelli, Marcus Comstedt, Mike Rapoport, Parth Shah, Srikar Dronamraju, Vaidyanathan Srinivasan" * tag 'powerpc-5.5-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: KVM: PPC: Book3S HV: Fix regression on big endian hosts powerpc: Fix __clear_user() with KUAP enabled powerpc/pseries/cmm: fix managed page counts when migrating pages between zones powerpc/8xx: fix bogus __init on mmu_mapin_ram_chunk() ocxl: Fix potential memory leak on context creation powerpc/irq: fix stack overflow verification powerpc: Ensure that swiotlb buffer is allocated from low memory powerpc/shared: Use static key to detect shared processor powerpc/vcpu: Assume dedicated processors as non-preempt ocxl: Fix concurrent AFU open and device removal
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 RAS fixes from Borislav Petkov: "Three urgent RAS fixes for the AMD side of things: - initialize struct mce.bank so that calculated error severity on AMD SMCA machines is correct - do not send IPIs early during bank initialization, when interrupts are disabled - a fix for when only a subset of MCA banks are enabled, which led to boot hangs on some new AMD CPUs" * 'ras-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mce: Fix possibly incorrect severity calculation on AMD x86/MCE/AMD: Allow Reserved types to be overwritten in smca_banks[] x86/MCE/AMD: Do not use rdmsr_safe_on_cpu() in smca_configure()
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linuxLinus Torvalds authored
Pull clk fixes from Stephen Boyd: "One core framework fix to walk the orphan list and match up clks to parents when clk providers register the DT provider after registering all their clks (as they should). Then a handful of driver fixes for the qcom, imx, and at91 drivers. The driver fixes are relatively small fixes for incorrect register settings or missing locks causing race conditions" * tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: clk: qcom: Avoid SMMU/cx gdsc corner cases clk: qcom: gcc-sc7180: Fix setting flag for votable GDSCs clk: Move clk_core_reparent_orphans() under CONFIG_OF clk: at91: fix possible deadlock clk: walk orphan list on clock provider registration clk: imx: pll14xx: fix clk_pll14xx_wait_lock clk: imx: clk-imx7ulp: Add missing sentinel of ulp_div_table clk: imx: clk-composite-8m: add lock to gate/mux
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- 20 Dec, 2019 27 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linuxLinus Torvalds authored
Pull Devicetree fix from Rob Herring: "Add missing 'properties' keyword enclosing 'snps,tso' in snps,dwmac binding" * tag 'devicetree-fixes-for-5.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: dt-bindings: Add missing 'properties' keyword enclosing 'snps,tso'
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linuxLinus Torvalds authored
Pull arm64 fixes from Catalin Marinas: - Leftover put_cpu() in the perf/smmuv3 error path. - Add Hisilicon TSV110 to spectre-v2 safe list * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: cpu_errata: Add Hisilicon TSV110 to spectre-v2 safe list perf/smmuv3: Remove the leftover put_cpu() in error path
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git://anongit.freedesktop.org/drm/drmLinus Torvalds authored
Pull drm fixes from Dave Airlie: "Probably the last one before Christmas, I'll see if there is much demand over next few weeks for more fixes, I expect it'll be quiet enough. This has one exynos fix, and a bunch of i915 core and i915 GVT fixes. Summary: exynos: - component delete fix i915: - Fix to drop an unused and harmful display W/A - Fix to define EHL power wells independent of ICL - Fix for priority inversion on bonded requests - Fix in mmio offset calculation of DSB instance - Fix memory leak from get_task_pid when banning clients - Fixes to avoid dereference of uninitialized ops in dma_fence tracing and keep reference to execbuf object until submitted. - vGPU state setting locking fix (Zhenyu) - Fix vGPU display dmabuf as read-only (Zhenyu) - Properly handle vGPU display dmabuf page pin when rendering (Tina) - Fix one guest boot warning to handle guc reset state (Fred)" * tag 'drm-fixes-2019-12-21' of git://anongit.freedesktop.org/drm/drm: drm/exynos: gsc: add missed component_del drm/i915: Fix pid leak with banned clients drm/i915/gem: Keep request alive while attaching fences drm/i915: Fix WARN_ON condition for cursor plane ddb allocation drm/i915/gvt: Fix guest boot warning drm/i915/tgl: Drop Wa#1178 drm/i915/ehl: Define EHL powerwells independently of ICL drm/i915: Set fence_work.ops before dma_fence_init drm/i915: Copy across scheduler behaviour flags across submit fences drm/i915/dsb: Fix in mmio offset calculation of DSB instance drm/i915/gvt: Pin vgpu dma address before using drm/i915/gvt: set guest display buffer as readonly drm/i915/gvt: use vgpu lock for active state setting
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull io_uring fixes from Jens Axboe: "Here's a set of fixes that should go into 5.5-rc3 for io_uring. This is bigger than I'd like it to be, mainly because we're fixing the case where an application reuses sqe data right after issue. This really must work, or it's confusing. With 5.5 we're flagging us as submit stable for the actual data, this must also be the case for SQEs. Honestly, I'd really like to add another series on top of this, since it cleans it up considerable and prevents any SQE reuse by design. I posted that here: https://lore.kernel.org/io-uring/20191220174742.7449-1-axboe@kernel.dk/T/#u and may still send it your way early next week once it's been looked at and had some more soak time (does pass all regression tests). With that series, we've unified the prep+issue handling, and only the prep phase even has access to the SQE. Anyway, outside of that, fixes in here for a few other issues that have been hit in testing or production" * tag 'io_uring-5.5-20191220' of git://git.kernel.dk/linux-block: io_uring: io_wq_submit_work() should not touch req->rw io_uring: don't wait when under-submitting io_uring: warn about unhandled opcode io_uring: read opcode and user_data from SQE exactly once io_uring: make IORING_OP_TIMEOUT_REMOVE deferrable io_uring: make IORING_OP_CANCEL_ASYNC deferrable io_uring: make IORING_POLL_ADD and IORING_POLL_REMOVE deferrable io_uring: make HARDLINK imply LINK io_uring: any deferred command must have stable sqe data io_uring: remove 'sqe' parameter to the OP helpers that take it io_uring: fix pre-prepped issue with force_nonblock == true io-wq: re-add io_wq_current_is_worker() io_uring: fix sporadic -EFAULT from IORING_OP_RECVMSG io_uring: fix stale comment and a few typos
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Dave Airlie authored
Merge tag 'drm-intel-fixes-2019-12-19' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes - Fix to drop an unused and harmful display W/A - Fix to define EHL power wells independent of ICL - Fix for priority inversion on bonded requests - Fix in mmio offset calculation of DSB instance - Fix memory leak from get_task_pid when banning clients - Fixes to avoid dereference of uninitialized ops in dma_fence tracing and keep reference to execbuf object until submitted. - Includes gvt-fixes-2019-12-18 Signed-off-by:
Dave Airlie <airlied@redhat.com> From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191219124635.GA16068@jlahtine-desk.ger.corp.intel.com
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Dave Airlie authored
Merge tag 'exynos-drm-fixes-for-v5.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes Just one bug fixup . Make sure to unregister a component for Exynos gscaler driver when the driver is removed. Signed-off-by:
Dave Airlie <airlied@redhat.com> From: Inki Dae <inki.dae@samsung.com> Link: https://patchwork.freedesktop.org/patch/msgid/1576714013-3788-1-git-send-email-inki.dae@samsung.com
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommuLinus Torvalds authored
Pull iommu fixes from Joerg Roedel: - Fix kmemleak warning in IOVA code - Fix compile warnings on ARM32/64 in dma-iommu code due to dma_mask type mismatches - Make ISA reserved regions relaxable, so that VFIO can assign devices which have such regions defined - Fix mapping errors resulting in IO page-faults in the VT-d driver - Make sure direct mappings for a domain are created after the default domain is updated - Map ISA reserved regions in the VT-d driver with correct permissions - Remove unneeded check for PSI capability in the IOTLB flush code of the VT-d driver - Lockdep fix iommu_dma_prepare_msi() * tag 'iommu-fixes-v5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu/dma: Relax locking in iommu_dma_prepare_msi() iommu/vt-d: Remove incorrect PSI capability check iommu/vt-d: Allocate reserved region for ISA with correct permission iommu: set group default domain before creating direct mappings iommu/vt-d: Fix dmar pte read access not set error iommu/vt-d: Set ISA bridge reserved region as relaxable iommu/dma: Rationalise types for DMA masks iommu/iova: Init the struct iova to fix the possible memleak
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git://git.infradead.org/linux-platform-drivers-x86Linus Torvalds authored
Pull x86 platform driver fixes from Andy Shevchenko: "Bucket of fixes for PDx86. Note, that there is no ABI breakage in Mellanox driver because it has been introduced in v5.5-rc1, so we can change it. Summary: - Add support of APUv4 and fix an assignment of simswap GPIO - Add Siemens CONNECT X300 to DMI table to avoid stuck during boot - Correct arguments of WMI call on HP Envy x360 15-cp0xxx model - Fix the mlx-bootctl sysfs attributes to be device related" * tag 'platform-drivers-x86-v5.5-2' of git://git.infradead.org/linux-platform-drivers-x86: platform/x86: pcengines-apuv2: Spelling fixes in the driver platform/x86: pcengines-apuv2: detect apuv4 board platform/x86: pcengines-apuv2: fix simswap GPIO assignment platform/x86: pmc_atom: Add Siemens CONNECT X300 to critclk_systems DMI table platform/x86: hp-wmi: Make buffer for HPWMI_FEATURE2_QUERY 128 bytes platform/mellanox: fix the mlx-bootctl sysfs
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmcLinus Torvalds authored
Pull MMC host fixes from Ulf Hansson: - mtk-sd: Fix tuning for MT8173 HS200/HS400 mode - sdhci: Revert a fix for incorrect switch to HS mode - sdhci-msm: Fixup accesses to the DDR_CONFIG register - sdhci-of-esdhc: Revert a bad fix for erratum A-009204 - sdhci-of-esdhc: Re-implement fix for erratum A-009204 - sdhci-of-esdhc: Fixup P2020 errata handling - sdhci-pci: Disable broken CMDQ on Intel GLK based Lenovo systems * tag 'mmc-v5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: mmc: sdhci-of-esdhc: re-implement erratum A-009204 workaround mmc: sdhci: Add a quirk for broken command queuing mmc: sdhci: Workaround broken command queuing on Intel GLK mmc: sdhci-of-esdhc: fix P2020 errata handling mmc: sdhci: Update the tuning failed messages to pr_debug level mmc: sdhci-of-esdhc: Revert "mmc: sdhci-of-esdhc: add erratum A-009204 support" mmc: mediatek: fix CMD_TA to 2 for MT8173 HS200/HS400 mode mmc: sdhci-msm: Correct the offset and value for DDR_CONFIG register Revert "mmc: sdhci: Fix incorrect switch to HS mode"
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-miscLinus Torvalds authored
Pull char/misc driver fixes from Greg KH: "Here are some small char and other driver fixes for 5.5-rc3. The most noticable one is a much-reported fix for a random driver issue that came up from 5.5-rc1 compat_ioctl cleanups. The others are a chunk of habanalab driver fixes and intel_th driver fixes and new device ids. All have been in linux-next with no reported issues" * tag 'char-misc-5.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: random: don't forget compat_ioctl on urandom intel_th: msu: Fix window switching without windows intel_th: Fix freeing IRQs intel_th: pci: Add Elkhart Lake SOC support intel_th: pci: Add Comet Lake PCH-V support habanalabs: remove variable 'val' set but not used habanalabs: rate limit error msg on waiting for CS
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/stagingLinus Torvalds authored
Pull staging driver fixes from Greg KH: "Here are some small staging driver fixes for a number of reported issues. The majority here are some fixes for the wfx driver, but also in here is a comedi driver fix found during some code review, and an axis-fifo build dependancy issue to resolve some reported testing problems. All of these have been in linux-next with no reported issues" * tag 'staging-5.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging: wfx: fix wrong error message staging: wfx: fix hif_set_mfp() with big endian hosts staging: wfx: detect race condition in WEP authentication staging: wfx: ensure that retry policy always fallbacks to MCS0 / 1Mbps staging: wfx: fix rate control handling staging: wfx: firmware does not support more than 32 total retries staging: wfx: use boolean appropriately staging: wfx: fix counter overflow staging: wfx: fix case of lack of tx_retry_policies staging: wfx: fix the cache of rate policies on interface reset staging: axis-fifo: add unspecified HAS_IOMEM dependency staging: comedi: gsc_hpdi: check dma_alloc_coherent() return value
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Wei Li authored
HiSilicon Taishan v110 CPUs didn't implement CSV2 field of the ID_AA64PFR0_EL1, but spectre-v2 is mitigated by hardware, so whitelist the MIDR in the safe list. Signed-off-by:
Wei Li <liwei391@huawei.com> [hanjun: re-write the commit log] Signed-off-by:
Hanjun Guo <guohanjun@huawei.com> Signed-off-by:
Catalin Marinas <catalin.marinas@arm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/ttyLinus Torvalds authored
Pull tty/serial fixes from Greg KH: "Here are some small tty and serial driver fixes for 5.5-rc3. Only four small patches here: - atmel serial driver fix - msm_serial driver fix - sprd serial driver fix - tty core port fix The last tty core fix should resolve a long-standing bug with a race at port creation time that some people would see, and Sudip finally tracked down. All of these have been in linux-next with no reported issues" * tag 'tty-5.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: tty/serial: atmel: fix out of range clock divider handling tty: link tty and port before configuring it as console serial: sprd: Add clearing break interrupt operation tty: serial: msm_serial: Fix lockup for sysrq and oops
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usbLinus Torvalds authored
Pull USB fixes from Greg KH: "Here are some small USB fixes for some reported issues. Included in here are: - xhci build warning fix - ehci disconnect warning fix - usbip lockup fix and error cleanup fix - typec build fix All of these have been in linux-next with no reported issues" * tag 'usb-5.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: usb: xhci: Fix build warning seen with CONFIG_PM=n usbip: Fix error path of vhci_recv_ret_submit() usbip: Fix receive error in vhci-hcd when using scatter-gather USB: EHCI: Do not return -EPIPE when hub is disconnected usb: typec: fusb302: Fix an undefined reference to 'extcon_get_state'
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrlLinus Torvalds authored
Pull pin control fixes from Linus Walleij: "Sorry that this fixes pull request took a while. Too much christmas business going on. This contains a few really important Intel fixes and some odd fixes: - A host of fixes for the Intel baytrail and cherryview: properly serialize all register accesses and add the irqchip with the gpiochip as we need to, fix some pin lists and initialize the hardware in the right order. - Fix the Aspeed G6 LPC configuration. - Handle a possible NULL pointer exception in the core. - Fix the Kconfig dependencies for the Equilibrium driver" * tag 'pinctrl-v5.5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: pinctrl: ingenic: Fixup PIN_CONFIG_OUTPUT config pinctrl: Modify Kconfig to fix linker error pinctrl: pinmux: fix a possible null pointer in pinmux_can_be_used_for_gpio pinctrl: aspeed-g6: Fix LPC/eSPI mux configuration pinctrl: cherryview: Pass irqchip when adding gpiochip pinctrl: cherryview: Add GPIO <-> pin mapping ranges via callback pinctrl: cherryview: Split out irq hw-init into a separate helper function pinctrl: baytrail: Pass irqchip when adding gpiochip pinctrl: baytrail: Add GPIO <-> pin mapping ranges via callback pinctrl: baytrail: Update North Community pin list pinctrl: baytrail: Really serialize all register accesses
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Andy Shevchenko authored
Mainly does: - capitalize gpio and bios to GPIO and BIOS - capitalize beginning of comments - add periods in multi-line comments Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Enrico Weigelt, metux IT consult authored
GPIO stuff on APUv4 seems to be the same as on APUv2, so we just need to match on DMI data. Signed-off-by:
Enrico Weigelt, metux IT consult <info@metux.net> Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Enrico Weigelt, metux IT consult authored
The mapping entry has to hold the GPIO line index instead of controller's register number. Fixes: 5037d4dd ("platform/x86: pcengines-apuv2: wire up simswitch gpio as led") Signed-off-by:
Enrico Weigelt, metux IT consult <info@metux.net> Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Michael Haener authored
The CONNECT X300 uses the PMC clock for on-board components and gets stuck during boot if the clock is disabled. Therefore, add this device to the critical systems list. Tested on CONNECT X300. Fixes: 648e9218 ("clk: x86: Stop marking clocks as CLK_IS_CRITICAL") Signed-off-by:
Michael Haener <michael.haener@siemens.com> Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Hans de Goede authored
At least on the HP Envy x360 15-cp0xxx model the WMI interface for HPWMI_FEATURE2_QUERY requires an outsize of at least 128 bytes, otherwise it fails with an error code 5 (HPWMI_RET_INVALID_PARAMETERS): Dec 06 00:59:38 kernel: hp_wmi: query 0xd returned error 0x5 We do not care about the contents of the buffer, we just want to know if the HPWMI_FEATURE2_QUERY command is supported. This commits bumps the buffer size, fixing the error. Fixes: 8a1513b4 ("hp-wmi: limit hotkey enable") Cc: stable@vger.kernel.org BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1520703Signed-off-by:
Hans de Goede <hdegoede@redhat.com> Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Liming Sun authored
This is a follow-up commit for the sysfs attributes to change from DRIVER_ATTR to DEVICE_ATTR according to some initial comments. In such case, it's better to point the sysfs path to the device itself instead of the driver. The ABI document is also updated. Fixes: 79e29cb8 ("platform/mellanox: Add bootctl driver for Mellanox BlueField Soc") Signed-off-by:
Liming Sun <lsun@mellanox.com> Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Aditya Pakki authored
gnttab_request_version() always sets the gnttab_interface variable and the assertions to check for empty gnttab_interface is unnecessary. The patch eliminates multiple such assertions. Signed-off-by:
Aditya Pakki <pakki001@umn.edu> Reviewed-by:
Juergen Gross <jgross@suse.com> Signed-off-by:
Juergen Gross <jgross@suse.com>
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Paul Durrant authored
By simply re-attaching to shared rings during connect_ring() rather than assuming they are freshly allocated (i.e assuming the counters are zero) it is possible for vbd instances to be unbound and re-bound from and to (respectively) a running guest. This has been tested by running: while true; do fio --name=randwrite --ioengine=libaio --iodepth=16 \ --rw=randwrite --bs=4k --direct=1 --size=1G --verify=crc32; done in a PV guest whilst running: while true; do echo vbd-$DOMID-$VBD >unbind; echo unbound; sleep 5; echo vbd-$DOMID-$VBD >bind; echo bound; sleep 3; done in dom0 from /sys/bus/xen-backend/drivers/vbd to continuously unbind and re-bind its system disk image. This is a highly useful feature for a backend module as it allows it to be unloaded and re-loaded (i.e. updated) without requiring domUs to be halted. This was also tested by running: while true; do echo vbd-$DOMID-$VBD >unbind; echo unbound; sleep 5; rmmod xen-blkback; echo unloaded; sleep 1; modprobe xen-blkback; echo bound; cd $(pwd); sleep 3; done in dom0 whilst running the same loop as above in the (single) PV guest. Some (less stressful) testing has also been done using a Windows HVM guest with the latest 9.0 PV drivers installed. Signed-off-by:
Paul Durrant <pdurrant@amazon.com> Reviewed-by:
Juergen Gross <jgross@suse.com> Reviewed-by:
Roger Pau Monné <roger.pau@citrix.com> Signed-off-by:
Juergen Gross <jgross@suse.com>
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Paul Durrant authored
Currently these macros are defined to re-initialize a front/back ring (respectively) to values read from the shared ring in such a way that any requests/responses that are added to the shared ring whilst the front/back is detached will be skipped over. This, in general, is not a desirable semantic since most frontend implementations will eventually block waiting for a response which would either never appear or never be processed. Since the macros are currently unused, take this opportunity to re-define them to re-initialize a front/back ring using specified values. This also allows FRONT/BACK_RING_INIT() to be re-defined in terms of FRONT/BACK_RING_ATTACH() using a specified value of 0. NOTE: BACK_RING_ATTACH() will be used directly in a subsequent patch. Signed-off-by:
Paul Durrant <pdurrant@amazon.com> Reviewed-by:
Juergen Gross <jgross@suse.com> Signed-off-by:
Juergen Gross <jgross@suse.com>
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Paul Durrant authored
If a driver probe() fails then leave the xenstore state alone. There is no reason to modify it as the failure may be due to transient resource allocation issues and hence a subsequent probe() may succeed. If the driver supports re-binding then only force state to closed during remove() only in the case when the toolstack may need to clean up. This can be detected by checking whether the state in xenstore has been set to closing prior to device removal. NOTE: Re-bind support is indicated by new boolean in struct xenbus_driver, which defaults to false. Subsequent patches will add support to some backend drivers. Signed-off-by:
Paul Durrant <pdurrant@amazon.com> Reviewed-by:
Juergen Gross <jgross@suse.com> Signed-off-by:
Juergen Gross <jgross@suse.com>
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Paul Durrant authored
...and make it static xenbus_dev_shutdown() is seemingly intended to cause clean shutdown of PV frontends when a guest is rebooted. Indeed the function waits for a conpletion which is only set by a call to xenbus_frontend_closed(). This patch removes the shutdown() method from backends and moves xenbus_dev_shutdown() from xenbus_probe.c into xenbus_probe_frontend.c, renaming it appropriately and making it static. NOTE: In the case where the backend is running in a driver domain, the toolstack should have already terminated any frontends that may be using it (since Xen does not support re-startable PV driver domains) so xenbus_dev_shutdown() should never be called. Signed-off-by:
Paul Durrant <pdurrant@amazon.com> Reviewed-by:
Juergen Gross <jgross@suse.com> Signed-off-by:
Juergen Gross <jgross@suse.com>
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Nathan Chancellor authored
Clang warns: ../drivers/block/xen-blkfront.c:1117:4: warning: misleading indentation; statement is not part of the previous 'if' [-Wmisleading-indentation] nr_parts = PARTS_PER_DISK; ^ ../drivers/block/xen-blkfront.c:1115:3: note: previous statement is here if (err) ^ This is because there is a space at the beginning of this line; remove it so that the indentation is consistent according to the Linux kernel coding style and clang no longer warns. While we are here, the previous line has some trailing whitespace; clean that up as well. Fixes: c80a4209 ("xen-blkfront: handle Xen major numbers other than XENVBD") Link: https://github.com/ClangBuiltLinux/linux/issues/791Signed-off-by:
Nathan Chancellor <natechancellor@gmail.com> Reviewed-by:
Juergen Gross <jgross@suse.com> Acked-by:
Roger Pau Monné <roger.pau@citrix.com> Signed-off-by:
Juergen Gross <jgross@suse.com>
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- 19 Dec, 2019 8 commits
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Linus Torvalds authored
Merge fixes from Andrew Morton: "6 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: lib/Kconfig.debug: fix some messed up configurations mm: vmscan: protect shrinker idr replace with CONFIG_MEMCG kasan: don't assume percpu shadow allocations will succeed kasan: use apply_to_existing_page_range() for releasing vmalloc shadow mm/memory.c: add apply_to_existing_page_range() helper kasan: fix crashes on access to memory mapped by vm_map_ram()
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds authored
Pull power management fix from Rafael Wysocki: "Fix a problem related to CPU offline/online and cpufreq governors that in some system configurations may lead to a system-wide deadlock during CPU online" * tag 'pm-5.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: cpufreq: Avoid leaving stale IRQ work items during CPU offline
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Rafael J. Wysocki authored
* pm-cpufreq: cpufreq: Avoid leaving stale IRQ work items during CPU offline
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Yangbo Lu authored
The erratum A-009204 workaround patch was reverted because of incorrect implementation. 8b6dc6b2 mmc: sdhci-of-esdhc: Revert "mmc: sdhci-of-esdhc: add erratum A-009204 support" This patch is to re-implement the workaround (add a 5 ms delay before setting SYSCTL[RSTD] to make sure all the DMA transfers are finished). Signed-off-by:
Yangbo Lu <yangbo.lu@nxp.com> Link: https://lore.kernel.org/r/20191219032335.26528-1-yangbo.lu@nxp.com Fixes: 5dd19552 ("mmc: sdhci-of-esdhc: add erratum A-009204 support") Cc: stable@vger.kernel.org Signed-off-by:
Ulf Hansson <ulf.hansson@linaro.org>
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Jeffrey Hugo authored
Mark the msm8998 cpu CX gdsc as votable and use the hw control to avoid corner cases with SMMU per hardware documentation. Fixes: 3f7df5ba ("clk: qcom: Add MSM8998 GPU Clock Controller (GPUCC) driver") Signed-off-by:
Jeffrey Hugo <jeffrey.l.hugo@gmail.com> Link: https://lkml.kernel.org/r/20191217171905.5619-1-jeffrey.l.hugo@gmail.comSigned-off-by:
Stephen Boyd <sboyd@kernel.org>
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Matthias Kaehlcke authored
Commit 17269568 ("clk: qcom: Add Global Clock controller (GCC) driver for SC7180") sets the VOTABLE flag in .pwrsts, but it needs to be set in .flags, fix this. Fixes: 17269568 ("clk: qcom: Add Global Clock controller (GCC) driver for SC7180") Signed-off-by:
Matthias Kaehlcke <mka@chromium.org> Link: https://lkml.kernel.org/r/20191204120341.1.I9971817e83ee890d1096c43c5a6ce6ced53d5bd3@changeidSigned-off-by:
Stephen Boyd <sboyd@kernel.org>
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git://git.infradead.org/users/jjs/linux-tpmddLinus Torvalds authored
Pull tpm fixes from Jarkko Sakkinen: "Bunch of fixes for rc3" * tag 'tpmdd-next-20191219' of git://git.infradead.org/users/jjs/linux-tpmdd: tpm/tpm_ftpm_tee: add shutdown call back tpm: selftest: cleanup after unseal with wrong auth/policy test tpm: selftest: add test covering async mode tpm: fix invalid locking in NONBLOCKING mode security: keys: trusted: fix lost handle flush tpm_tis: reserve chip for duration of tpm_tis_core_init KEYS: asymmetric: return ENOMEM if akcipher_request_alloc() fails KEYS: remove CONFIG_KEYS_COMPAT
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Pavel Tatashin authored
Add shutdown call back to close existing session with fTPM TA to support kexec scenario. Add parentheses to function names in comments as specified in kdoc. Signed-off-by:
Thirupathaiah Annapureddy <thiruan@microsoft.com> Signed-off-by:
Pavel Tatashin <pasha.tatashin@soleen.com> Reviewed-by:
Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Tested-by:
Sasha Levin <sashal@kernel.org> Signed-off-by:
Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
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- 18 Dec, 2019 1 commit
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Chuhong Yuan authored
The driver forgets to call component_del in remove to match component_add in probe. Add the missed call to fix it. Signed-off-by:
Chuhong Yuan <hslester96@gmail.com> Signed-off-by:
Inki Dae <inki.dae@samsung.net>
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