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Currently, the "change_page_attr" (CPA) code refuses to create
W+X mappings on 64-bit kernels. There have been reports both
from 32-bit[1] and from BPF[2] users where this change kept the
system from booting.
These reports are showing up even after about a month of soak
time in -next.
To avoid breaking anything, never enforce W^X. Always warn
and return the requested permissions even if a problem is
detected.
1. https://lore.kernel.org/all/CAMj1kXHcF_iK_g0OZSkSv56Wmr=eQGQwNstcNjLEfS=mm7a06w@mail.gmail.com/
2. https://lore.kernel.org/bpf/c84cc27c1a5031a003039748c3c099732a718aec.camel@kernel.org/T/#u
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: x86@kernel.org
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Peter Zijlstra <peterz@infradead.org>
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Update the _EXPORT_DEV_PM_OPS() internal macro. It was not used anywhere
outside pm.h and pm_runtime.h, so it is safe to update it.
Before, this macro would take a few parameters to be used as sleep and
runtime callbacks. This made it unsuitable to use with different
callbacks, for instance the "noirq" ones.
It is now semantically different: instead of creating a conditionally
exported dev_pm_ops structure, it only contains part of the definition.
This macro should however never be used directly (hence the trailing
underscore). Instead, the following four macros are provided:
- EXPORT_DEV_PM_OPS(name)
- EXPORT_GPL_DEV_PM_OPS(name)
- EXPORT_NS_DEV_PM_OPS(name, ns)
- EXPORT_NS_GPL_DEV_PM_OPS(name, ns)
For instance, it is now possible to conditionally export noirq
suspend/resume PM functions like this:
EXPORT_GPL_DEV_PM_OPS(foo_pm_ops) = {
NOIRQ_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn)
};
The existing helper macros EXPORT_*_SIMPLE_DEV_PM_OPS() and
EXPORT_*_RUNTIME_DEV_PM_OPS() have been updated to use these new macros.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux
Pull landlock updates from Mickaël Salaün:
"Improve user help for Landlock (documentation and sample)"
* tag 'landlock-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux:
landlock: Fix documentation style
landlock: Slightly improve documentation and fix spelling
samples/landlock: Print hints about ABI versions
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These days not much is using the read side:
- device first open
- ioctl_get_status
- device FD release
- check enforced_coherent
None of this is performance, so just make it into a normal mutex.
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/2-v1-917e3647f123+b1a-vfio_group_users_jgg@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Kevin points out that the users is really just tracking if
group->opened_file is set, so we can simplify this code to a wait_queue
that looks for !opened_file under the group_rwsem.
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/1-v1-917e3647f123+b1a-vfio_group_users_jgg@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Many of the mdev drivers use a simple counter for keeping track of the
available instances. Move this code to the core code and store the counter
in the mdev_parent. Implement it using correct locking, fixing mdpy.
Drivers just provide the value in the mdev_driver at registration time
and the core code takes care of maintaining it and exposing the value in
sysfs.
[hch: count instances per-parent instead of per-type, use an atomic_t
to avoid taking mdev_list_lock in the show method]
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Link: https://lore.kernel.org/r/20220923092652.100656-15-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Every driver just emits a string, simply add a method to the mdev_driver
to return it and provide a standard sysfs show function.
Remove the now unused types_attrs field in struct mdev_driver and the
support code for it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com>
Link: https://lore.kernel.org/r/20220923092652.100656-14-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Every driver just print a number, simply add a method to the mdev_driver
to return it and provide a standard sysfs show function.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Link: https://lore.kernel.org/r/20220923092652.100656-13-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Every driver just emits a static string, simply add a field to the
mdev_type for the driver to fill out or fall back to the sysfs name and
provide a standard sysfs show function.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Link: https://lore.kernel.org/r/20220923092652.100656-12-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Every driver just emits a static string, simply feed it through the ops
and provide a standard sysfs show function.
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Tony Krowiak <akrowiak@linux.ibm.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Link: https://lore.kernel.org/r/20220923092652.100656-11-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Just open code the dereferences in the only user.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Jason J. Herne <jjherne@linux.ibm.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Link: https://lore.kernel.org/r/20220923092652.100656-10-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Just open code the dereferences in the only user.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com>
Link: https://lore.kernel.org/r/20220923092652.100656-9-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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mdev_bus_type is only used in mdev.ko now, so unexport it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com>
Link: https://lore.kernel.org/r/20220923092652.100656-8-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Just open code it in the only caller.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com>
Link: https://lore.kernel.org/r/20220923092652.100656-7-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Instead of abusing struct attribute_group to control initialization of
struct mdev_type, just define the actual attributes in the mdev_driver,
allocate the mdev_type structures in the caller and pass them to
mdev_register_parent.
This allows the caller to use container_of to get at the containing
structure and thus significantly simplify the code.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Tony Krowiak <akrowiak@linux.ibm.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Link: https://lore.kernel.org/r/20220923092652.100656-6-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Simplify mdev_{un}register_device by requiring the caller to pass in
a structure allocate as part of the parent device structure. This
removes the need for a list of parents and the separate mdev_parent
refcount as we can simplify rely on the reference to the parent device.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Tony Krowiak <akrowiak@linux.ibm.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Link: https://lore.kernel.org/r/20220923092652.100656-5-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Include <linux/device.h> and <linux/uuid.h> so that users of this headers
don't need to do that and remove those includes that aren't needed
any more.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Tony Krowiak <akrowiak@linux.ibm.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com>
Link: https://lore.kernel.org/r/20220923092652.100656-4-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Instead of copying the information from the vgpu_types arrays into each
intel_vgpu_type structure, just reference this constant information
with a pointer to the already existing data structure, and pass it into
the low-level VGPU creation helpers intead of copying the data into yet
anothe params data structure.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: https://lore.kernel.org/r/20220923092652.100656-3-hch@lst.de
[aw: Fold fix from 20220928121110.GA30738@lst.de]
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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gvt->types needs to be freed on error.
Fixes: bc90d097ae14 ("drm/i915/gvt: define weight according to vGPU type")
Reported-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: https://lore.kernel.org/r/20220923092652.100656-2-hch@lst.de
[aw: Correct fixes commit ID as reported by Stephen Rothwell]
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit
Pull audit updates from Paul Moore:
"Six audit patches for v6.1, most are pretty trivial, but a quick list
of the highlights are below:
- Only free the audit proctitle information on task exit. This allows
us to cache the information and improve performance slightly.
- Use the time_after() macro to do time comparisons instead of doing
it directly and potentially causing ourselves problems when the
timer wraps.
- Convert an audit_context state comparison from a relative enum
comparison, e.g. (x < y), to a not-equal comparison to ensure that
we are not caught out at some unknown point in the future by an
enum shuffle.
- A handful of small cleanups such as tidying up comments and
removing unused declarations"
* tag 'audit-pr-20221003' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
audit: remove selinux_audit_rule_update() declaration
audit: use time_after to compare time
audit: free audit_proctitle only on task exit
audit: explicitly check audit_context->context enum value
audit: audit_context pid unused, context enum comment fix
audit: fix repeated words in comments
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into clk-next
- Convert Baikal-T1 CCU driver to platform driver
- Split reset support out of primary Baikal-T1 CCU driver
- Add some missing clks required for RPiVid Video Decoder on RaspberryPi
- Mark PLLC critical on bcm2835
- Support for Renesas VersaClock7 clock generator family
* clk-baikal:
clk: baikal-t1: Convert to platform device driver
clk: baikal-t1: Add DDR/PCIe directly controlled resets support
dt-bindings: clk: baikal-t1: Add DDR/PCIe reset IDs
clk: baikal-t1: Move reset-controls code into a dedicated module
clk: baikal-t1: Add SATA internal ref clock buffer
clk: baikal-t1: Add shared xGMAC ref/ptp clocks internal parent
clk: baikal-t1: Fix invalid xGMAC PTP clock divider
clk: vc5: Fix 5P49V6901 outputs disabling when enabling FOD
* clk-broadcom:
clk: bcm: rpi: Add support for VEC clock
clk: bcm: rpi: Handle pixel clock in firmware
clk: bcm: rpi: Add support HEVC clock
clk: bcm2835: fix bcm2835_clock_rate_from_divisor declaration
clk: bcm2835: Round UART input clock up
clk: bcm2835: Make peripheral PLLC critical
* clk-vc5:
clk: vc5: Add support for IDT/Renesas VersaClock 5P49V6975
dt-bindings: clock: vc5: Add 5P49V6975
clk: vc5: Use regmap_{set,clear}_bits() where appropriate
clk: vc5: Check IO access results
* clk-versaclock:
clk: Renesas versaclock7 ccf device driver
dt-bindings: Renesas versaclock7 device tree bindings
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into clk-next
- More devm helpers for fixed rate registration
- Add Spreadtrum UMS512 SoC clk support
- Various PXA168 clk driver fixes
* clk-fixed-rate:
clk: fixed-rate: add devm_clk_hw_register_fixed_rate
clk: asm9260: use parent index to link the reference clock
* clk-spreadtrum:
clk: sprd: Add clocks support for UMS512
* clk-pxa:
clk: pxa: add a check for the return value of kzalloc()
clk: mmp: pxa168: control shared SDH bits with separate clock
dt-bindings: marvell,pxa168: add clock ids for SDH AXI clocks
clk: mmp: pxa168: add clocks for SDH2 and SDH3
dt-bindings: marvell,pxa168: add clock id for SDH3
clk: mmp: pxa168: fix GPIO clock enable bits
clk: mmp: pxa168: add muxes for more peripherals
clk: mmp: pxa168: fix incorrect parent clocks
clk: mmp: pxa168: fix const-correctness
clk: mmp: pxa168: add new clocks for peripherals
dt-bindings: marvell,pxa168: add clock ids for additional dividers
clk: mmp: pxa168: fix incorrect dividers
clk: mmp: pxa168: add additional register defines
* clk-ti:
clk: davinci: cfgchip: Use dev_err_probe() helper
clk: davinci: pll: fix spelling typo in comment
MAINTAINERS: add header file to TI DAVINCI SERIES CLOCK DRIVER
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'clk-allwinner' and 'clk-imx' into clk-next
* clk-rockchip:
dt-bindings: clock: rockchip: change SPDX-License-Identifier
dt-bindings: clock: convert rockchip,rk3128-cru.txt to YAML
clk: rockchip: Add clock controller support for RV1126 SoC
dt-bindings: clock: rockchip: Document RV1126 CRU
clk: rockchip: Add dt-binding header for RV1126
clk: rockchip: Add MUXTBL variant
* clk-renesas:
clk: renesas: r8a779g0: Add EtherAVB clocks
clk: renesas: r8a779g0: Add PFC/GPIO clocks
clk: renesas: r8a779g0: Add I2C clocks
clk: renesas: r8a779g0: Add watchdog clock
dt-bindings: clock: renesas,rzg2l: Document RZ/Five SoC
clk: renesas: r8a779f0: Add MSIOF clocks
clk: renesas: r9a09g011: Add IIC clock and reset entries
clk: renesas: r9a07g044: Add conditional compilation for r9a07g044_cpg_info
clk: renesas: r8a779f0: Add TMU and parent SASYNC clocks
clk: renesas: r8a779f0: Add CMT clocks
clk: renesas: r8a779f0: Add SDH0 clock
* clk-microchip:
clk: at91: sama5d2: Add Generic Clocks for UART/USART
clk: microchip: add PolarFire SoC fabric clock support
dt-bindings: clk: add PolarFire SoC fabric clock ids
dt-bindings: clk: document PolarFire SoC fabric clocks
dt-bindings: clk: rename mpfs-clkcfg binding
clk: microchip: mpfs: update module authorship & licencing
clk: microchip: mpfs: convert periph_clk to clk_gate
clk: microchip: mpfs: convert cfg_clk to clk_divider
clk: microchip: mpfs: delete 2 line mpfs_clk_register_foo()
clk: microchip: mpfs: simplify control reg access
clk: microchip: mpfs: move id & offset out of clock structs
clk: microchip: mpfs: add MSS pll's set & round rate
MAINTAINERS: add polarfire soc reset controller
reset: add polarfire soc reset support
clk: microchip: mpfs: add reset controller
dt-bindings: clk: microchip: mpfs: add reset controller support
clk: microchip: mpfs: make the rtc's ahb clock critical
clk: microchip: mpfs: fix clk_cfg array bounds violation
* clk-allwinner:
clk: sunxi-ng: ccu-sun9i-a80-usb: Use dev_err_probe() helper
clk: sunxi-ng: ccu-sun9i-a80-de: Use dev_err_probe() helper
clk: sunxi-ng: sun8i-de2: Use dev_err_probe() helper
clk: sunxi-ng: d1: Limit PLL rates to stable ranges
* clk-imx:
clk: imx: scu: fix memleak on platform_device_add() fails
clk: imx93: add SAI IPG clk
clk: imx93: add MU1/2 clock
clk: imx93: switch to use new clk gate API
clk: imx: add i.MX93 clk gate
clk: imx: clk-composite-93: check white_list
clk: imx: clk-composite-93: check slice busy
dt-bindings: clock: imx93-clock: add more MU/SAI clocks
dt-bindings: clock: imx8mm: don't use multiple blank lines
clk: imx8mp: tune the order of enet_qos_root_clk
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into clk-next
- Add resets for MediaTek MT8195 PCIe and USB
- Remove DaVinci DM644x and DM646x clk driver support
* clk-samsung:
clk: samsung: MAINTAINERS: add Krzysztof Kozlowski
clk: samsung: exynos850: Implement CMU_MFCMSCL domain
clk: samsung: exynos850: Implement CMU_IS domain
clk: samsung: exynos850: Implement CMU_AUD domain
clk: samsung: exynos850: Style fixes
clk: samsung: exynosautov9: add fsys1 clock support
clk: samsung: exynosautov9: add fsys0 clock support
clk: samsung: exynosautov9: correct register offsets of peric0/c1
clk: samsung: exynosautov9: add missing gate clks for peric0/c1
dt-bindings: clock: exynos850: Add Exynos850 CMU_MFCMSCL
dt-bindings: clock: exynos850: Add Exynos850 CMU_IS
dt-bindings: clock: exynos850: Add Exynos850 CMU_AUD
dt-bindings: clock: exynosautov9: add schema for cmu_fsys0/1
dt-bindings: clock: exynosautov9: add fsys1 clock definitions
dt-bindings: clock: exynosautov9: add fys0 clock definitions
clk: samsung: exynos7885: Add TREX clocks
clk: samsung: exynos7885: Implement CMU_FSYS domain
dt-bindings: clock: exynosautov9: correct clock numbering of peric0/c1
clk: samsung: exynos-clkout: Use of_device_get_match_data()
* clk-mtk: (42 commits)
clk: mediatek: add driver for MT8365 SoC
clk: mediatek: Export required common code symbols
clk: mediatek: Provide mtk_devm_alloc_clk_data
dt-bindings: clock: mediatek: add bindings for MT8365 SoC
clk: mediatek: mt8192: deduplicate parent clock lists
clk: mediatek: Migrate remaining clk_unregister_*() to clk_hw_unregister_*()
clk: mediatek: fix unregister function in mtk_clk_register_dividers cleanup
clk: mediatek: clk-mt8192: Add clock mux notifier for mfg_pll_sel
clk: mediatek: clk-mt8192-mfg: Propagate rate changes to parent
clk: mediatek: clk-mt8195-topckgen: Drop univplls from mfg mux parents
clk: mediatek: clk-mt8195-topckgen: Add GPU clock mux notifier
clk: mediatek: clk-mt8195-topckgen: Register mfg_ck_fast_ref as generic mux
clk: mediatek: clk-mt8195-mfg: Reparent mfg_bg3d and propagate rate changes
clk: mediatek: mt8183: Add clk mux notifier for MFG mux
clk: mediatek: mux: add clk notifier functions
clk: mediatek: mt8183: mfgcfg: Propagate rate changes to parent
clk: mediatek: Use mtk_clk_register_gates_with_dev in simple probe
clk: mediatek: gate: Export mtk_clk_register_gates_with_dev
clk: mediatek: add VDOSYS1 clock
dt-bindings: clk: mediatek: Add MT8195 DPI clocks
...
* clk-rm:
clk: davinci: remove PLL and PSC clocks for DaVinci DM644x and DM646x
* clk-ast:
clk: ast2600: BCLK comes from EPLL
* clk-qcom: (97 commits)
clk: qcom: gcc-sm6375: Ensure unsigned long type
clk: qcom: gcc-sm6375: Remove unused variables
clk: qcom: kpss-xcc: convert to parent data API
clk: introduce (devm_)hw_register_mux_parent_data_table API
clk: qcom: gcc-msm8939: use ARRAY_SIZE instead of specifying num_parents
clk: qcom: gcc-msm8939: use parent_hws where possible
dt-bindings: clock: move qcom,gcc-msm8939 to qcom,gcc-msm8916.yaml
clk: qcom: gcc-sm6350: Update the .pwrsts for usb gdscs
clk: qcom: gcc-sc8280xp: use retention for USB power domains
clk: qcom: gdsc: add missing error handling
dt-bindings: clocks: qcom,gcc-sc8280xp: Fix typos
clk: qcom: Add global clock controller driver for SM6375
dt-bindings: clock: add SM6375 QCOM global clock bindings
clk: qcom: alpha: Add support for programming the PLL_FSM_LEGACY_MODE bit
clk: qcom: gcc-sc7280: Update the .pwrsts for usb gdscs
clk: qcom: gcc-sc7180: Update the .pwrsts for usb gdsc
clk: qcom: gdsc: Fix the handling of PWRSTS_RET support
clk: qcom: Add SC8280XP GPU clock controller
dt-bindings: clock: Add Qualcomm SC8280XP GPU binding
clk: qcom: smd: Add SM6375 clocks
...
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'clk-xilinx' into clk-next
- Miscellaneous of_node_put() fixes
- Nuke dt-bindings/clk path (again) by moving headers to dt-bindings/clock
- Convert gpio-clk-gate binding to YAML
- Various fixes to AMD/Xilinx Zynqmp clk driver
- Graduate AMD/Xilinx "clocking wizard" driver from staging
* clk-ofnode:
clk: ti: Balance of_node_get() calls for of_find_node_by_name()
clk: tegra20: Fix refcount leak in tegra20_clock_init
clk: tegra: Fix refcount leak in tegra114_clock_init
clk: tegra: Fix refcount leak in tegra210_clock_init
clk: sprd: Hold reference returned by of_get_parent()
clk: berlin: Add of_node_put() for of_get_parent()
clk: at91: dt-compat: Hold reference returned by of_get_parent()
clk: qoriq: Hold reference returned by of_get_parent()
clk: oxnas: Hold reference returned by of_get_parent()
clk: st: Hold reference returned by of_get_parent()
clk: tegra: Add missing of_node_put()
clk: meson: Hold reference returned by of_get_parent()
clk: nomadik: Add missing of_node_put()
* clk-bindings:
dt-bindings: clock: drop minItems equal to maxItems
dt-bindings: clock: gpio-gate-clock: Convert to json-schema
dt-bindings: clock: Move versaclock.h to dt-bindings/clock
dt-bindings: clock: Move lochnagar.h to dt-bindings/clock
* clk-cleanup:
clk: allow building lan966x as a module
clk: clk-xgene: simplify if-if to if-else
clk: nxp: fix typo in comment
clk: mvebu: armada-37xx-tbg: Remove the unneeded result variable
clk: ti: dra7-atl: Fix reference leak in of_dra7_atl_clk_probe
clkdev: Simplify devm_clk_hw_register_clkdev() function
clkdev: Remove never used devm_clk_release_clkdev()
clk: Remove never used devm_of_clk_del_provider()
clk: pistachio: Fix initconst confusion
clk: clk-npcm7xx: Remove unused struct npcm7xx_clk_gate_data and npcm7xx_clk_div_fixed_data
clk: do not initialize ret
clk: remove extra empty line
clk: Fix comment typo
clk: move from strlcpy with unused retval to strscpy
* clk-zynq:
clk: zynqmp: pll: rectify rate rounding in zynqmp_pll_round_rate
clk: zynqmp: Check the return type zynqmp_pm_query_data
clk: zynqmp: Add a check for NULL pointer
clk: zynqmp: Replaced strncpy() with strscpy()
clk: zynqmp: Fix stack-out-of-bounds in strncpy`
clk: zynqmp: make bestdiv unsigned
* clk-xilinx:
clk: clocking-wizard: Depend on HAS_IOMEM
clk: clocking-wizard: Use dev_err_probe() helper
clk: clocking-wizard: Update the compatible
clk: clocking-wizard: Fix the reconfig for 5.2
clk: clocking-wizard: Rename nr-outputs to xlnx,nr-outputs
clk: clocking-wizard: Move clocking-wizard out
dt-bindings: add documentation of xilinx clocking wizard
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This PLL frequency needs a UL postfix to avoid compiler warnings on
32-bit architectures.
Fixes: 184fdd873d83 ("clk: qcom: Add global clock controller driver for SM6375")
Cc: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cleanups from Borislav Petkov:
- The usual round of smaller fixes and cleanups all over the tree
* tag 'x86_cleanups_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpu: Include the header of init_ia32_feat_ctl()'s prototype
x86/uaccess: Improve __try_cmpxchg64_user_asm() for x86_32
x86: Fix various duplicate-word comment typos
x86/boot: Remove superfluous type casting from arch/x86/boot/bitops.h
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gcc_parent_data_15 and gcc_parent_map_15 are not used in this driver.
Remove them.
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20221003211438.25691-1-konrad.dybcio@somainline.org
Fixes: 184fdd873d83 ("clk: qcom: Add global clock controller driver for SM6375")
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Sage's git tree has not been pushed to in years, and it was removed in
commit 3a5ccecd9af7 ("MAINTAINERS: remove myself as ceph co-maintainer"),
so it is better to remove it in the documentation too.
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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We should set the 'stat->size' to the real number of snapshots for
snapdirs.
Link: https://tracker.ceph.com/issues/57342
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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When unlinking a file the kclient will send a unlink request to MDS
by holding the dentry reference, and then the MDS will return 2 replies,
which are unsafe reply and a deferred safe reply.
After the unsafe reply received the kernel will return and succeed
the unlink request to user space apps.
Only when the safe reply received the dentry's reference will be
released. Or the dentry will only be unhashed from dcache. But when
the open_by_handle_at() begins to open the unlinked files it will
succeed.
The inode->i_count couldn't be used to check whether the inode is
opened or not.
Link: https://tracker.ceph.com/issues/56524
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Luís Henriques <lhenriques@suse.de>
Tested-by: Luís Henriques <lhenriques@suse.de>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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When the client has enough caps to satisfy a setattr locally without
having to talk to the server, we currently do the setattr without
incrementing the change attribute.
Ensure that if the ctime changes locally, then the change attribute
does too.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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Prefer using kcalloc(a, b) over kzalloc(a * b) as this improves
semantics since kcalloc is intended for allocating an array of memory.
Signed-off-by: Kenneth Lee <klee33@uw.edu>
Reviewed-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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For write when trying to get the Fwb caps we need to keep waiting
on transition from WRBUFFER|WR -> WR to avoid a new WR sync write
from going before a prior buffered writeback happens.
While for read there is no need to wait on transition from
RDCACHE|RD -> RD, and we can just exclude the revoking caps and
force to sync read.
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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Just fail the request instead sending the request out, or the peer
MDS will crash.
Link: https://tracker.ceph.com/issues/56529
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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When new caps comes we need to wake up the waiters and also when
revoking the caps, there also could be new caps comes.
Link: https://tracker.ceph.com/issues/54044
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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ceph_msg_data_next is always passed a NULL pointer for this field. Some
of the "next" operations look at it in order to determine the length,
but we can just take the min of the data on the page or cursor->resid.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cache resource control updates from Borislav Petkov:
- More work by James Morse to disentangle the resctrl filesystem
generic code from the architectural one with the endgoal of plugging
ARM's MPAM implementation into it too so that the user interface
remains the same
- Properly restore the MSR_MISC_FEATURE_CONTROL value instead of
blindly overwriting it to 0
* tag 'x86_cache_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (22 commits)
x86/resctrl: Make resctrl_arch_rmid_read() return values in bytes
x86/resctrl: Add resctrl_rmid_realloc_limit to abstract x86's boot_cpu_data
x86/resctrl: Rename and change the units of resctrl_cqm_threshold
x86/resctrl: Move get_corrected_mbm_count() into resctrl_arch_rmid_read()
x86/resctrl: Move mbm_overflow_count() into resctrl_arch_rmid_read()
x86/resctrl: Pass the required parameters into resctrl_arch_rmid_read()
x86/resctrl: Abstract __rmid_read()
x86/resctrl: Allow per-rmid arch private storage to be reset
x86/resctrl: Add per-rmid arch private storage for overflow and chunks
x86/resctrl: Calculate bandwidth from the previous __mon_event_count() chunks
x86/resctrl: Allow update_mba_bw() to update controls directly
x86/resctrl: Remove architecture copy of mbps_val
x86/resctrl: Switch over to the resctrl mbps_val list
x86/resctrl: Create mba_sc configuration in the rdt_domain
x86/resctrl: Abstract and use supports_mba_mbps()
x86/resctrl: Remove set_mba_sc()s control array re-initialisation
x86/resctrl: Add domain offline callback for resctrl work
x86/resctrl: Group struct rdt_hw_domain cleanup
x86/resctrl: Add domain online callback for resctrl work
x86/resctrl: Merge mon_capable and mon_enabled
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x75 microcode loader updates from Borislav Petkov:
- Get rid of a single ksize() usage
- By popular demand, print the previous microcode revision an update
was done over
- Remove more code related to the now gone MICROCODE_OLD_INTERFACE
- Document the problems stemming from microcode late loading
* tag 'x86_microcode_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/microcode/AMD: Track patch allocation size explicitly
x86/microcode: Print previous version of microcode after reload
x86/microcode: Remove ->request_microcode_user()
x86/microcode: Document the whole late loading problem
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 paravirt fix from Borislav Petkov:
- Ensure paravirt patching site descriptors are aligned properly so
that code can do proper arithmetic with their addresses
* tag 'x86_paravirt_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/paravirt: Ensure proper alignment
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 fixes from Borislav Petkov:
- Drop misleading "RIP" from the opcodes dumping message
- Correct APM entry's Konfig help text
* tag 'x86_misc_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/dumpstack: Don't mention RIP in "Code: "
x86/Kconfig: Specify idle=poll instead of no-hlt
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 asm update from Borislav Petkov:
- Use the __builtin_ffs/ctzl() compiler builtins for the constant
argument case in the kernel's optimized ffs()/ffz() helpers in order
to make use of the compiler's constant folding optmization passes.
* tag 'x86_asm_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/asm/bitops: Use __builtin_ctzl() to evaluate constant expressions
x86/asm/bitops: Use __builtin_ffs() to evaluate constant expressions
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 core fixes from Borislav Petkov:
- Make sure an INT3 is slapped after every unconditional retpoline JMP
as both vendors suggest
- Clean up pciserial a bit
* tag 'x86_core_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86,retpoline: Be sure to emit INT3 after JMP *%\reg
x86/earlyprintk: Clean up pciserial
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Add my new email address and remove Revanth
Signed-off-by: Jonathan Derrick <jonathan.derrick@linux.dev>
Link: https://lore.kernel.org/r/20221003202511.5124-1-jonathan.derrick@linux.dev
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 APIC update from Borislav Petkov:
- Add support for locking the APIC in X2APIC mode to prevent SGX
enclave leaks
* tag 'x86_apic_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/apic: Don't disable x2APIC if locked
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 RAS updates from Borislav Petkov:
- Fix the APEI MCE callback handler to consult the hardware about the
granularity of the memory error instead of hard-coding it
- Offline memory pages on Intel machines after 2 errors reported per
page
* tag 'ras_core_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mce: Retrieve poison range from hardware
RAS/CEC: Reduce offline page threshold for Intel systems
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cpu updates from Borislav Petkov:
- Print the CPU number at segfault time.
The number printed is not always accurate (preemption is enabled at
that time) but the print string contains "likely" and after a lot of
back'n'forth on this, this was the consensus that was reached. See
thread at [1].
- After a *lot* of testing and polishing, finally the clear_user()
improvements to inline REP; STOSB by default
Link: https://lore.kernel.org/r/5d62c1d0-7425-d5bb-ecb5-1dc3b4d7d245@intel.com [1]
* tag 'x86_cpu_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm: Print likely CPU at segfault time
x86/clear_user: Make it faster
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 SGX update from Borislav Petkov:
- Improve the documentation of a couple of SGX functions handling
backing storage
* tag 'x86_sgx_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/sgx: Improve comments for sgx_encl_lookup/alloc_backing()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 RTC cleanups from Borislav Petkov:
- Cleanup x86/rtc.c and delete duplicated functionality in favor of
using the respective functionality from the RTC library
* tag 'x86_timers_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/rtc: Rename mach_set_rtc_mmss() to mach_set_cmos_time()
x86/rtc: Rewrite & simplify mach_get_cmos_time() by deleting duplicated functionality
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 platform update from Borislav Petkov:
"A single x86/platform improvement when the kernel is running as an
ACRN guest:
- Get TSC and CPU frequency from CPUID leaf 0x40000010 when the
kernel is running as a guest on the ACRN hypervisor"
* tag 'x86_platform_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/acrn: Set up timekeeping
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