d075c0c1be
1101289 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
d075c0c1be |
This update includes the following changes:
API: - Test in-place en/decryption with two sglists in testmgr. - Fix process vs. softirq race in cryptd. Algorithms: - Add arm64 acceleration for sm4. - Add s390 acceleration for chacha20. Drivers: - Add polarfire soc hwrng support in mpsf. - Add support for TI SoC AM62x in sa2ul. - Add support for ATSHA204 cryptochip in atmel-sha204a. - Add support for PRNG in caam. - Restore support for storage encryption in qat. - Restore support for storage encryption in hisilicon/sec. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEn51F/lCuNhUwmDeSxycdCkmxi6cFAmKQs9cACgkQxycdCkmx i6deOA//bwX9JvxI+SiwEK/1u5GX9VHtCpAa1rMOqhfl8UrBfo0516M/CeUDjW0J t1yoq0JUoIfYrEbSJqxXTnfG6+fJ1WsQtT3jd1/64nrwVk+w6OdMBTt48B9GF0R5 ZjWG7zmjKZcspZqSwib/gxbehJ+IX7dYdUsrlUQq3q64qpQEqxTgqsfyiY3LP24N lng6weLudrFA5Xa8pVCmrCnOH3J7kPGA4iGqTGNV8Qx3ud9CUWSc8BT4VdqU8t2f opaYL3s9oKc+xtS4yrOnfV+Wa/A8K6AuBYeODFtLe41FSpGYgaPslcGqEGwAHNpL 0HjqQdC+4auimGJxyVcef7QVMCpGqIfKqYu7sYXuNROylPjqMNa/DRL64csaDxDn WiheV9RSc1zfchxHC4IjnfwE7nNDVYnYrZ1awyvQ9xvAoh7bldiEe6k/UlWi3L0F nejJRFPXOSZ2GfJjrVNsv5lSWZCNWRBzOehN4D6EMJjEfM/G3/30Q0qwif39QWVj r1gYQWmZuCa9mL7enga1XavebQ6cLXggR4sTxEmV7Sta6AJ+RqNqOnrPecEF5Avr eSYQLxor+jvhaepcKhyDOF4dKGGJIWaEi00GC83yZ8hApVbfWoVh8Nfxmp8TUEzH UUJFvrFLNTBOwRoz3fIT57vaFxksQREZwlcQ77xVAeg8S+BOB4o= =oVRe -----END PGP SIGNATURE----- Merge tag 'v5.19-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto updates from Herbert Xu: "API: - Test in-place en/decryption with two sglists in testmgr - Fix process vs softirq race in cryptd Algorithms: - Add arm64 acceleration for sm4 - Add s390 acceleration for chacha20 Drivers: - Add polarfire soc hwrng support in mpsf - Add support for TI SoC AM62x in sa2ul - Add support for ATSHA204 cryptochip in atmel-sha204a - Add support for PRNG in caam - Restore support for storage encryption in qat - Restore support for storage encryption in hisilicon/sec" * tag 'v5.19-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (116 commits) hwrng: omap3-rom - fix using wrong clk_disable() in omap_rom_rng_runtime_resume() crypto: hisilicon/sec - delete the flag CRYPTO_ALG_ALLOCATES_MEMORY crypto: qat - add support for 401xx devices crypto: qat - re-enable registration of algorithms crypto: qat - honor CRYPTO_TFM_REQ_MAY_SLEEP flag crypto: qat - add param check for DH crypto: qat - add param check for RSA crypto: qat - remove dma_free_coherent() for DH crypto: qat - remove dma_free_coherent() for RSA crypto: qat - fix memory leak in RSA crypto: qat - add backlog mechanism crypto: qat - refactor submission logic crypto: qat - use pre-allocated buffers in datapath crypto: qat - set to zero DH parameters before free crypto: s390 - add crypto library interface for ChaCha20 crypto: talitos - Uniform coding style with defined variable crypto: octeontx2 - simplify the return expression of otx2_cpt_aead_cbc_aes_sha_setkey() crypto: cryptd - Protect per-CPU resource by disabling BH. crypto: sun8i-ce - do not fallback if cryptlen is less than sg length crypto: sun8i-ce - rework debugging ... |
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Linus Torvalds
|
bf272460d7 |
Twenty four cifs/smb3 client fixes, including multichannel but does not include the iov_iter ones
-----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEE6fsu8pdIjtWE/DpLiiy9cAdyT1EFAmKRBV4ACgkQiiy9cAdy T1FYcgv7BWeF/72rw2qxuLUnj9B2aCnjCkpb2r7sN0951gTgFV9Iw4Bg5KyCym1A Pjl7H3hj0R/djIwzSTbPmsIUZxEzAB56MyKgaoBbkg0N0AfwHYqEOHpTa7c9NaqT CkbgJxtqcFBl3uNLMW9qyAD7MFDqF8OkSFCv01HYUukaQKBgzUnuoLmhvNQYeN50 DhxSIk+6+ekyUpuTKitHclldbk8IbUDRO5jRZrhXjP7SObWID1EMVBz4QNyrw3Du G3Mi4K/FbVkrHe4OTcyMMc4rTVbaOwaHJmvgBFM5Qb1buaplbGEo7lTxus0PUVzd aWyaj2duXNuKjFZuov/ZCsnSJMvl2TG21Bku/uLNGKsnIQn7UhYCLcDyZa/UCnRE zPd5M2PD/L8uKONSg/6IVlVIzNMmvYRpyqqGg/4CZpu1Qhs53MkLdnZqSB+NyzV7 O2I6CIGVbp64f8YyBFZ6bhdxBwyXeoiF3RkYeKYrtCp4Z0RfQYjyMb5t2NDcpVo/ gL0tho/Q =bR0w -----END PGP SIGNATURE----- Merge tag '5.19-rc-smb3-client-fixes-updated' of git://git.samba.org/sfrench/cifs-2.6 Pull cifs client updates from Steve French: - multichannel fixes to improve reconnect after network failure - improved caching of root directory contents (extending benefit of directory leases) - two DFS fixes - three fixes for improved debugging - an NTLMSSP fix for mounts t0 older servers - new mount parm to allow disabling creating sparse files - various cleanup fixes and minor fixes pointed out by coverity * tag '5.19-rc-smb3-client-fixes-updated' of git://git.samba.org/sfrench/cifs-2.6: (24 commits) smb3: remove unneeded null check in cifs_readdir cifs: fix ntlmssp on old servers cifs: cache the dirents for entries in a cached directory cifs: avoid parallel session setups on same channel cifs: use new enum for ses_status cifs: do not use tcpStatus after negotiate completes smb3: add mount parm nosparse smb3: don't set rc when used and unneeded in query_info_compound smb3: check for null tcon cifs: fix minor compile warning Add various fsctl structs Add defines for various newer FSCTLs smb3: add trace point for oplock not found cifs: return the more nuanced writeback error on close() smb3: add trace point for lease not found issue cifs: smbd: fix typo in comment cifs: set the CREATE_NOT_FILE when opening the directory in use_cached_dir() cifs: check for smb1 in open_cached_dir() cifs: move definition of cifs_fattr earlier in cifsglob.h cifs: print TIDs as hex ... |
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Linus Torvalds
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aef1ff1592 |
JFS: One bug fix and some code cleanup
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Linus Torvalds
|
35cdd8656e |
libnvdimm for 5.19
- Add support for clearing memory error via pwrite(2) on DAX
- Fix 'security overwrite' support in the presence of media errors
- Miscellaneous cleanups and fixes for nfit_test (nvdimm unit tests)
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Merge tag 'libnvdimm-for-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm and DAX updates from Dan Williams:
"New support for clearing memory errors when a file is in DAX mode,
alongside with some other fixes and cleanups.
Previously it was only possible to clear these errors using a truncate
or hole-punch operation to trigger the filesystem to reallocate the
block, now, any page aligned write can opportunistically clear errors
as well.
This change spans x86/mm, nvdimm, and fs/dax, and has received the
appropriate sign-offs. Thanks to Jane for her work on this.
Summary:
- Add support for clearing memory error via pwrite(2) on DAX
- Fix 'security overwrite' support in the presence of media errors
- Miscellaneous cleanups and fixes for nfit_test (nvdimm unit tests)"
* tag 'libnvdimm-for-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
pmem: implement pmem_recovery_write()
pmem: refactor pmem_clear_poison()
dax: add .recovery_write dax_operation
dax: introduce DAX_RECOVERY_WRITE dax access mode
mce: fix set_mce_nospec to always unmap the whole page
x86/mce: relocate set{clear}_mce_nospec() functions
acpi/nfit: rely on mce->misc to determine poison granularity
testing: nvdimm: asm/mce.h is not needed in nfit.c
testing: nvdimm: iomap: make __nfit_test_ioremap a macro
nvdimm: Allow overwrite in the presence of disabled dimms
tools/testing/nvdimm: remove unneeded flush_workqueue
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Linus Torvalds
|
ea6c3bc6ed |
- New Device Support
- Add support for {Power,Home} Keys to MediaTek MT6359
- Add support for SC2730 to Spreadtrum SPRD SC27XX SPI
- Add support for additional Alder Lake-P I2C Controllers to Intel LPSS PCI
- Fix-ups
- Convert GPIO to GPIOD; hi655x-pmic
- Only register devices that exist; cros_ec_dev
- Remove unused code; syscon, reg-mux
- Rework .remove() API to return void; twl-core, rt4831
- Trivial - whitespace, spelling, coding style; tps65218, sprd-sc27xx-spi,
google,cros-ec
- DT binding changes; samsung,exynos5433-lpass, rockchip,rk805,
rockchip,rk808, rockchip,rk809, rockchip,rk817,
rockchip,rk818, wlf,arizona
- Bug Fixes
- Fix error handling bugs; ipaq-micro, davinci_voicecodec
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Merge tag 'mfd-next-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Device Support
- Add support for {Power,Home} Keys to MediaTek MT6359
- Add support for SC2730 to Spreadtrum SPRD SC27XX SPI
- Add support for additional Alder Lake-P I2C Controllers to Intel
LPSS PCI
Fix-ups:
- Convert GPIO to GPIOD (hi655x-pmic)
- Only register devices that exist (cros_ec_dev)
- Remove unused code (syscon, reg-mux)
- Rework .remove() API to return void (twl-core, rt4831)
- Trivial - whitespace, spelling, coding style (tps65218,
sprd-sc27xx-spi, google,cros-ec)
- DT binding changes (samsung,exynos5433-lpass, rockchip,rk805,
rockchip,rk808, rockchip,rk809, rockchip,rk817, rockchip,rk818,
wlf,arizona)
Bug Fixes:
- Fix error handling bugs (ipaq-micro, davinci_voicecodec)"
* tag 'mfd-next-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd:
dt-bindings: cros-ec: Fix a typo in description
dt-bindings: mfd: wlf,arizona: Add spi-max-frequency
mfd: rt4831: Improve error reporting for problems during .remove()
mfd: davinci_voicecodec: Fix possible null-ptr-deref davinci_vc_probe()
mfd: intel-lpss: Add support for ADL-P i2c6 and i2c7
dt-bindings: mfd: rk808: Convert bindings to yaml
mfd: twl4030: Make twl4030_exit_irq() return void
mfd: twl6030: Make twl6030_exit_irq() return void
dt-bindings: mfd: samsung,exynos5433-lpass: Fix 'dma-channels/requests' properties
mfd: sprd: Jugle {of,spi}_device_id tables into numerical order
mfd: sprd: Add SC2730 PMIC to SPI device ID table
dt-bindings: Drop undocumented i.MX iomuxc-gpr bindings in examples
mfd: cros_ec_dev: Only register PCHG device if present
mfd: mt6397-core: Add resources for PMIC keys for MT6359
mfd: mt6359: Add missing defines necessary for mtk-pmic-keys support
mfd: ipaq-micro: Fix error check return value of platform_get_irq()
mfd: hi655x-pmic: Replace legacy gpio interface for gpiod interface
mfd: tps65218: Fix trivial typo in comment
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Linus Torvalds
|
6b0e34a030 |
Mainly driver updates this time around. There's a single patch to the core clk
framework that simplifies a runtime PM call. Otherwise the majority of the diff
falls to a few SoC drivers: Qualcomm, STM32 and MediaTek. Those SoCs gain some
new hardware support and what comes along with that is quite a few lines of
data and some clk_ops code. Beyond the new hardware support we have the usual
pile of driver updates that add missing clks on already supported SoCs or fix
up problems like bad clk tree descriptions. It's nice to see that more drivers
are moving to clk_hw based APIs too.
New Drivers:
- Add STM32MP13 RCC driver (Reset Clock Controller)
- MediaTek MT8186 SoC clk support
- Airoha EN7523 SoC system clocks
- Clock driver for exynosautov9 SoC
- Renesas R-Car V4H and RZ/V2M SoCs
- Renesas RZ/G2UL SoC
- LPASS clk driver for Qualcomm sc7280 SoC
- GCC clk driver for Qualcomm SC8280XP SoC
Updates:
- SDCC uses floor clk ops on Qualcomm MSM8976
- Add modem reset and fix RPM clks on Qualcomm MSM8976
- Add the two missing CLKOUT clocks for U8500/DB8500 SoC
- Mark some clks critical on Ingenic X1000
- Convert ux500 to clk_hw
- Move MediaTek driver to clk_hw provider APIs
- Use i2c driver probe_new to avoid id scans
- Convert a number of Rockchip dt bindings to YAML
- Mark hclk_vo critical on Rockchip rk3568
- Use pm_runtime_resume_and_get to fix pm_runtime_get_sync() usage
- Various cleanups like memory allocation error checks and plugged leaks
- Allwinner H6 RTC clock support
- Allwinner H616 32 kHz clock support
- Add the Universal Flash Storage clock on Renesas R-Car S4-8
- Add I2C, SSIF-2 (sound), USB, CANFD, OSTM (timer), WDT, SPI Multi
I/O Bus, RSPI, TSU (thermal), and ADC clocks and resets on Renesas RZ/G2UL
- Add display clock support on Renesas RZ/G2L
- Add RPC (QSPI/HyperFlash) clocks on Renesas R-Car E3 and D3
- Add 27 MHz phy PLL ref clock on i.MX
- Add mcore_booted module parameter to tell kernel M core has already booted
for i.MX
- Remove snvs clock on i.MX because it was for secure world only
- Add dt bindings for i.MX8MN GPT
- Add DISP2 pixel clock for i.MX8MP
- Add clkout1/2 for i.MX8MP
- Fix parent clock of ubs_root_clk for i.MX8MP
- Implement better RCG parking on Qualcomm SoCs using the shared RCG clk ops
- Kerneldoc fixes
- Switch Tegra BPMP to determine_rate clk op
- Add a pointer to dt schema for generic clock bindings
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"Mainly driver updates this time around.
There's a single patch to the core clk framework that simplifies a
runtime PM call. Otherwise the majority of the diff falls to a few SoC
drivers: Qualcomm, STM32 and MediaTek. Those SoCs gain some new
hardware support and what comes along with that is quite a few lines
of data and some clk_ops code.
Beyond the new hardware support we have the usual pile of driver
updates that add missing clks on already supported SoCs or fix up
problems like bad clk tree descriptions. It's nice to see that more
drivers are moving to clk_hw based APIs too.
New Drivers:
- Add STM32MP13 RCC driver (Reset Clock Controller)
- MediaTek MT8186 SoC clk support
- Airoha EN7523 SoC system clocks
- Clock driver for exynosautov9 SoC
- Renesas R-Car V4H and RZ/V2M SoCs
- Renesas RZ/G2UL SoC
- LPASS clk driver for Qualcomm sc7280 SoC
- GCC clk driver for Qualcomm SC8280XP SoC
Updates:
- SDCC uses floor clk ops on Qualcomm MSM8976
- Add modem reset and fix RPM clks on Qualcomm MSM8976
- Add the two missing CLKOUT clocks for U8500/DB8500 SoC
- Mark some clks critical on Ingenic X1000
- Convert ux500 to clk_hw
- Move MediaTek driver to clk_hw provider APIs
- Use i2c driver probe_new to avoid id scans
- Convert a number of Rockchip dt bindings to YAML
- Mark hclk_vo critical on Rockchip rk3568
- Use pm_runtime_resume_and_get to fix pm_runtime_get_sync() usage
- Various cleanups like memory allocation error checks and plugged
leaks
- Allwinner H6 RTC clock support
- Allwinner H616 32 kHz clock support
- Add the Universal Flash Storage clock on Renesas R-Car S4-8
- Add I2C, SSIF-2 (sound), USB, CANFD, OSTM (timer), WDT, SPI Multi
I/O Bus, RSPI, TSU (thermal), and ADC clocks and resets on Renesas
RZ/G2UL
- Add display clock support on Renesas RZ/G2L
- Add RPC (QSPI/HyperFlash) clocks on Renesas R-Car E3 and D3
- Add 27 MHz phy PLL ref clock on i.MX
- Add mcore_booted module parameter to tell kernel M core has already
booted for i.MX
- Remove snvs clock on i.MX because it was for secure world only
- Add dt bindings for i.MX8MN GPT
- Add DISP2 pixel clock for i.MX8MP
- Add clkout1/2 for i.MX8MP
- Fix parent clock of ubs_root_clk for i.MX8MP
- Implement better RCG parking on Qualcomm SoCs using the shared RCG
clk ops
- Kerneldoc fixes
- Switch Tegra BPMP to determine_rate clk op
- Add a pointer to dt schema for generic clock bindings"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (168 commits)
Revert "clk: qcom: regmap-mux: add pipe clk implementation"
Revert "clk: qcom: gcc-sc7280: use new clk_regmap_mux_safe_ops for PCIe pipe clocks"
Revert "clk: qcom: gcc-sm8450: use new clk_regmap_mux_safe_ops for PCIe pipe clocks"
clk: bcm: rpi: Use correct order for the parameters of devm_kcalloc()
clk: stm32mp13: add safe mux management
clk: stm32mp13: add multi mux function
clk: stm32mp13: add all STM32MP13 kernel clocks
clk: stm32mp13: add all STM32MP13 peripheral clocks
clk: stm32mp13: manage secured clocks
clk: stm32mp13: add composite clock
clk: stm32mp13: add stm32 divider clock
clk: stm32mp13: add stm32_gate management
clk: stm32mp13: add stm32_mux clock management
clk: stm32: Introduce STM32MP13 RCC drivers (Reset Clock Controller)
dt-bindings: rcc: stm32: add new compatible for STM32MP13 SoC
clk: ti: clkctrl: replace usage of found with dedicated list iterator variable
clk: ti: composite: Prefer kcalloc over open coded arithmetic
dt-bindings: clock: exynosautov9: correct count of NR_CLK
clk: mediatek: mt8173: Switch to clk_hw provider APIs
clk: mediatek: Switch to clk_hw provider APIs
...
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|
Linus Torvalds
|
3cc30140db |
pci-v5.19-changes
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Merge tag 'pci-v5.19-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull pci updates from Bjorn Helgaas:
"Resource management:
- Restrict E820 clipping to PCI host bridge windows (Bjorn Helgaas)
- Log E820 clipping better (Bjorn Helgaas)
- Add kernel cmdline options to enable/disable E820 clipping (Hans de
Goede)
- Disable E820 reserved region clipping for IdeaPads, Yoga, Yoga
Slip, Acer Spin 5, Clevo Barebone systems where clipping leaves no
usable address space for touchpads, Thunderbolt devices, etc (Hans
de Goede)
- Disable E820 clipping by default starting in 2023 (Hans de Goede)
PCI device hotplug:
- Include files to remove implicit dependencies (Christophe Leroy)
- Only put Root Ports in D3 if they can signal and wake from D3 so
AMD Yellow Carp doesn't miss hotplug events (Mario Limonciello)
Power management:
- Define pci_restore_standard_config() only for CONFIG_PM_SLEEP since
it's unused otherwise (Krzysztof Kozlowski)
- Power up devices completely, including anything platform firmware
needs to do, during runtime resume (Rafael J. Wysocki)
- Move pci_resume_bus() to PM callbacks so we observe the required
bridge power-up delays (Rafael J. Wysocki)
- Drop unneeded runtime_d3cold device flag (Rafael J. Wysocki)
- Split pci_raw_set_power_state() between pci_power_up() and a new
pci_set_low_power_state() (Rafael J. Wysocki)
- Set current_state to D3cold if config read returns ~0, indicating
the device is not accessible (Rafael J. Wysocki)
- Do not call pci_update_current_state() from pci_power_up() so BARs
and ASPM config are restored correctly (Rafael J. Wysocki)
- Write 0 to PMCSR in pci_power_up() in all cases (Rafael J. Wysocki)
- Split pci_power_up() to pci_set_full_power_state() to avoid some
redundant operations (Rafael J. Wysocki)
- Skip restoring BARs if device is not in D0 (Rafael J. Wysocki)
- Rearrange and clarify pci_set_power_state() (Rafael J. Wysocki)
- Remove redundant BAR restores from pci_pm_thaw_noirq() (Rafael J.
Wysocki)
Virtualization:
- Acquire device lock before config space access lock to avoid AB/BA
deadlock with sriov_numvfs_store() (Yicong Yang)
Error handling:
- Clear MULTI_ERR_COR/UNCOR_RCV bits, which a race could previously
leave permanently set (Kuppuswamy Sathyanarayanan)
Peer-to-peer DMA:
- Whitelist Intel Skylake-E Root Ports regardless of which devfn they
are (Shlomo Pongratz)
ASPM:
- Override L1 acceptable latency advertised by Intel DG2 so ASPM L1
can be enabled (Mika Westerberg)
Cadence PCIe controller driver:
- Set up device-specific register to allow PTM Responder to be
enabled by the normal architected bit (Christian Gmeiner)
- Override advertised FLR support since the controller doesn't
implement FLR correctly (Parshuram Thombare)
Cadence PCIe endpoint driver:
- Correct bitmap size for the ob_region_map of outbound window usage
(Dan Carpenter)
Freescale i.MX6 PCIe controller driver:
- Fix PERST# assertion/deassertion so we observe the required delays
before accessing device (Francesco Dolcini)
Freescale Layerscape PCIe controller driver:
- Add "big-endian" DT property (Hou Zhiqiang)
- Update SCFG DT property (Hou Zhiqiang)
- Add "aer", "pme", "intr" DT properties (Li Yang)
- Add DT compatible strings for ls1028a (Xiaowei Bao)
Intel VMD host bridge driver:
- Assign VMD IRQ domain before enumeration to avoid IOMMU interrupt
remapping errors when MSI-X remapping is disabled (Nirmal Patel)
- Revert VMD workaround that kept MSI-X remapping enabled when IOMMU
remapping was enabled (Nirmal Patel)
Marvell MVEBU PCIe controller driver:
- Add of_pci_get_slot_power_limit() to parse the
'slot-power-limit-milliwatt' DT property (Pali Rohár)
- Add mvebu support for sending Set_Slot_Power_Limit message (Pali
Rohár)
MediaTek PCIe controller driver:
- Fix refcount leak in mtk_pcie_subsys_powerup() (Miaoqian Lin)
MediaTek PCIe Gen3 controller driver:
- Reset PHY and MAC at probe time (AngeloGioacchino Del Regno)
Microchip PolarFlare PCIe controller driver:
- Add chained_irq_enter()/chained_irq_exit() calls to mc_handle_msi()
and mc_handle_intx() to avoid lost interrupts (Conor Dooley)
- Fix interrupt handling race (Daire McNamara)
NVIDIA Tegra194 PCIe controller driver:
- Drop tegra194 MSI register save/restore, which is unnecessary since
the DWC core does it (Jisheng Zhang)
Qualcomm PCIe controller driver:
- Add SM8150 SoC DT binding and support (Bhupesh Sharma)
- Fix pipe clock imbalance (Johan Hovold)
- Fix runtime PM imbalance on probe errors (Johan Hovold)
- Fix PHY init imbalance on probe errors (Johan Hovold)
- Convert DT binding to YAML (Dmitry Baryshkov)
- Update DT binding to show that resets aren't required for
MSM8996/APQ8096 platforms (Dmitry Baryshkov)
- Add explicit register names per chipset in DT binding (Dmitry
Baryshkov)
- Add sc7280-specific clock and reset definitions to DT binding
(Dmitry Baryshkov)
Rockchip PCIe controller driver:
- Fix bitmap size when searching for free outbound region (Dan
Carpenter)
Rockchip DesignWare PCIe controller driver:
- Remove "snps,dw-pcie" from rockchip-dwc DT "compatible" property
because it's not fully compatible with rockchip (Peter Geis)
- Reset rockchip-dwc controller at probe (Peter Geis)
- Add rockchip-dwc INTx support (Peter Geis)
Synopsys DesignWare PCIe controller driver:
- Return error instead of success if DMA mapping of MSI area fails
(Jiantao Zhang)
Miscellaneous:
- Change pci_set_dma_mask() documentation references to
dma_set_mask() (Alex Williamson)"
* tag 'pci-v5.19-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (64 commits)
dt-bindings: PCI: qcom: Add schema for sc7280 chipset
dt-bindings: PCI: qcom: Specify reg-names explicitly
dt-bindings: PCI: qcom: Do not require resets on msm8996 platforms
dt-bindings: PCI: qcom: Convert to YAML
PCI: qcom: Fix unbalanced PHY init on probe errors
PCI: qcom: Fix runtime PM imbalance on probe errors
PCI: qcom: Fix pipe clock imbalance
PCI: qcom: Add SM8150 SoC support
dt-bindings: pci: qcom: Document PCIe bindings for SM8150 SoC
x86/PCI: Disable E820 reserved region clipping starting in 2023
x86/PCI: Disable E820 reserved region clipping via quirks
x86/PCI: Add kernel cmdline options to use/ignore E820 reserved regions
PCI: microchip: Fix potential race in interrupt handling
PCI/AER: Clear MULTI_ERR_COR/UNCOR_RCV bits
PCI: cadence: Clear FLR in device capabilities register
PCI: cadence: Allow PTM Responder to be enabled
PCI: vmd: Revert
|
||
|
Linus Torvalds
|
8291eaafed |
Two followon fixes for the post-5.19 series "Use pageblock_order for cma
and alloc_contig_range alignment", from Zi Yan.
A series of z3fold cleanups and fixes from Miaohe Lin.
Some memcg selftests work from Michal Koutný <mkoutny@suse.com>
Some swap fixes and cleanups from Miaohe Lin.
Several individual minor fixups.
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Merge tag 'mm-stable-2022-05-27' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull more MM updates from Andrew Morton:
- Two follow-on fixes for the post-5.19 series "Use pageblock_order for
cma and alloc_contig_range alignment", from Zi Yan.
- A series of z3fold cleanups and fixes from Miaohe Lin.
- Some memcg selftests work from Michal Koutný <mkoutny@suse.com>
- Some swap fixes and cleanups from Miaohe Lin
- Several individual minor fixups
* tag 'mm-stable-2022-05-27' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (25 commits)
mm/shmem.c: suppress shift warning
mm: Kconfig: reorganize misplaced mm options
mm: kasan: fix input of vmalloc_to_page()
mm: fix is_pinnable_page against a cma page
mm: filter out swapin error entry in shmem mapping
mm/shmem: fix infinite loop when swap in shmem error at swapoff time
mm/madvise: free hwpoison and swapin error entry in madvise_free_pte_range
mm/swapfile: fix lost swap bits in unuse_pte()
mm/swapfile: unuse_pte can map random data if swap read fails
selftests: memcg: factor out common parts of memory.{low,min} tests
selftests: memcg: remove protection from top level memcg
selftests: memcg: adjust expected reclaim values of protected cgroups
selftests: memcg: expect no low events in unprotected sibling
selftests: memcg: fix compilation
mm/z3fold: fix z3fold_page_migrate races with z3fold_map
mm/z3fold: fix z3fold_reclaim_page races with z3fold_free
mm/z3fold: always clear PAGE_CLAIMED under z3fold page lock
mm/z3fold: put z3fold page back into unbuddied list when reclaim or migration fails
revert "mm/z3fold.c: allow __GFP_HIGHMEM in z3fold_alloc"
mm/z3fold: throw warning on failure of trylock_page in z3fold_alloc
...
|
||
|
Linus Torvalds
|
77fb622de1 |
Six hotfixes. One from Miaohe Lin is considered a minor thing so it isn't
for -stable. The remainder address pre-5.19 issues and are cc:stable. -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCYpEC8gAKCRDdBJ7gKXxA jlukAQDCaXF7YTBjpoaAl0zhSu+5h7CawiB6cnRlq87/uJ2S4QD/eLVX3zfxI2DX YcOhc5H8BOgZ8ppD80Nv9qjmyvEWzAA= =ZFFG -----END PGP SIGNATURE----- Merge tag 'mm-hotfixes-stable-2022-05-27' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull hotfixes from Andrew Morton: "Six hotfixes. The page_table_check one from Miaohe Lin is considered a minor thing so it isn't marked for -stable. The remainder address pre-5.19 issues and are cc:stable" * tag 'mm-hotfixes-stable-2022-05-27' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: mm/page_table_check: fix accessing unmapped ptep kexec_file: drop weak attribute from arch_kexec_apply_relocations[_add] mm/page_alloc: always attempt to allocate at least one page during bulk allocation hugetlb: fix huge_pmd_unshare address update zsmalloc: fix races between asynchronous zspage free and page migration Revert "mm/cma.c: remove redundant cma_mutex lock" |
||
|
Linus Torvalds
|
6f664045c8 |
Not a lot of material this cycle. Many singleton patches against various
subsystems. Most notably some maintenance work in ocfs2 and initramfs. -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCYo/6xQAKCRDdBJ7gKXxA jkD9AQCPczLBbRWpe1edL+5VHvel9ePoHQmvbHQnufdTh9rB5QEAu0Uilxz4q9cx xSZypNhj2n9f8FCYca/ZrZneBsTnAA8= =AJEO -----END PGP SIGNATURE----- Merge tag 'mm-nonmm-stable-2022-05-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull misc updates from Andrew Morton: "The non-MM patch queue for this merge window. Not a lot of material this cycle. Many singleton patches against various subsystems. Most notably some maintenance work in ocfs2 and initramfs" * tag 'mm-nonmm-stable-2022-05-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (65 commits) kcov: update pos before writing pc in trace function ocfs2: dlmfs: fix error handling of user_dlm_destroy_lock ocfs2: dlmfs: don't clear USER_LOCK_ATTACHED when destroying lock fs/ntfs: remove redundant variable idx fat: remove time truncations in vfat_create/vfat_mkdir fat: report creation time in statx fat: ignore ctime updates, and keep ctime identical to mtime in memory fat: split fat_truncate_time() into separate functions MAINTAINERS: add Muchun as a memcg reviewer proc/sysctl: make protected_* world readable ia64: mca: drop redundant spinlock initialization tty: fix deadlock caused by calling printk() under tty_port->lock relay: remove redundant assignment to pointer buf fs/ntfs3: validate BOOT sectors_per_clusters lib/string_helpers: fix not adding strarray to device's resource list kernel/crash_core.c: remove redundant check of ck_cmdline ELF, uapi: fixup ELF_ST_TYPE definition ipc/mqueue: use get_tree_nodev() in mqueue_get_tree() ipc: update semtimedop() to use hrtimer ipc/sem: remove redundant assignments ... |
||
Jason A. Donenfeld
|
8bdc2a1901 |
crypto: poly1305 - cleanup stray CRYPTO_LIB_POLY1305_RSIZE
When CRYPTO_LIB_POLY1305 is unset, CRYPTO_LIB_POLY1305_RSIZE is still set in the Kconfig, cluttering things. Fix this by making CRYPTO_LIB_POLY1305_RSIZE depend on CRYPTO_LIB_POLY1305. Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
Baolin Wang
|
e68b823ab0 |
arm64/hugetlb: Fix building errors in huge_ptep_clear_flush()
Fix the arm64 build error which was caused by commit |
||
David Howells
|
189b0ddc24 |
pipe: Fix missing lock in pipe_resize_ring()
pipe_resize_ring() needs to take the pipe->rd_wait.lock spinlock to
prevent post_one_notification() from trying to insert into the ring
whilst the ring is being replaced.
The occupancy check must be done after the lock is taken, and the lock
must be taken after the new ring is allocated.
The bug can lead to an oops looking something like:
BUG: KASAN: use-after-free in post_one_notification.isra.0+0x62e/0x840
Read of size 4 at addr ffff88801cc72a70 by task poc/27196
...
Call Trace:
post_one_notification.isra.0+0x62e/0x840
__post_watch_notification+0x3b7/0x650
key_create_or_update+0xb8b/0xd20
__do_sys_add_key+0x175/0x340
__x64_sys_add_key+0xbe/0x140
do_syscall_64+0x5c/0xc0
entry_SYSCALL_64_after_hwframe+0x44/0xae
Reported by Selim Enes Karaduman @Enesdex working with Trend Micro Zero
Day Initiative.
Fixes:
|
||
Steve French
|
44a48081fc |
smb3: remove unneeded null check in cifs_readdir
Coverity pointed out an unneeded check.
Addresses-Coverity: 1518030 ("Null pointer dereferences")
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
|
||
Andrew Morton
|
fa020a2b87 |
mm/shmem.c: suppress shift warning
mm/shmem.c:1948 shmem_getpage_gfp() warn: should '(((1) << 12) / 512) << folio_order(folio)' be a 64 bit type? On i386, so an unsigned long is 32-bit, but i_blocks is a 64-bit blkcnt_t. Reported-by: kernel test robot <lkp@intel.com> Reported-by: Jessica Clarke <jrtc27@jrtc27.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
Vlastimil Babka
|
0710d0122a |
mm: Kconfig: reorganize misplaced mm options
After commits |
||
Kefeng Wang
|
fbf4df0699 |
mm: kasan: fix input of vmalloc_to_page()
When print virtual mapping info for vmalloc address, it should pass
the addr not page, fix it.
Link: https://lkml.kernel.org/r/20220525120804.38155-1-wangkefeng.wang@huawei.com
Fixes:
|
||
Minchan Kim
|
1c56343258 |
mm: fix is_pinnable_page against a cma page
Pages in the CMA area could have MIGRATE_ISOLATE as well as MIGRATE_CMA so
the current is_pinnable_page() could miss CMA pages which have
MIGRATE_ISOLATE. It ends up pinning CMA pages as longterm for the
pin_user_pages() API so CMA allocations keep failing until the pin is
released.
CPU 0 CPU 1 - Task B
cma_alloc
alloc_contig_range
pin_user_pages_fast(FOLL_LONGTERM)
change pageblock as MIGRATE_ISOLATE
internal_get_user_pages_fast
lockless_pages_from_mm
gup_pte_range
try_grab_folio
is_pinnable_page
return true;
So, pinned the page successfully.
page migration failure with pinned page
..
.. After 30 sec
unpin_user_page(page)
CMA allocation succeeded after 30 sec.
The CMA allocation path protects the migration type change race using
zone->lock but what GUP path need to know is just whether the page is on
CMA area or not rather than exact migration type. Thus, we don't need
zone->lock but just checks migration type in either of (MIGRATE_ISOLATE
and MIGRATE_CMA).
Adding the MIGRATE_ISOLATE check in is_pinnable_page could cause rejecting
of pinning pages on MIGRATE_ISOLATE pageblocks even though it's neither
CMA nor movable zone if the page is temporarily unmovable. However, such
a migration failure by unexpected temporal refcount holding is general
issue, not only come from MIGRATE_ISOLATE and the MIGRATE_ISOLATE is also
transient state like other temporal elevated refcount problem.
Link: https://lkml.kernel.org/r/20220524171525.976723-1-minchan@kernel.org
Signed-off-by: Minchan Kim <minchan@kernel.org>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Acked-by: Paul E. McKenney <paulmck@kernel.org>
Cc: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
|
||
Miaohe Lin
|
ba6851b45d |
mm: filter out swapin error entry in shmem mapping
There might be swapin error entries in shmem mapping. Filter them out to avoid "Bad swap file entry" complaint. Link: https://lkml.kernel.org/r/20220519125030.21486-6-linmiaohe@huawei.com Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Reviewed-by: Naoya Horiguchi <naoya.horiguchi@nec.com> Cc: Alistair Popple <apopple@nvidia.com> Cc: David Hildenbrand <david@redhat.com> Cc: David Howells <dhowells@redhat.com> Cc: Hugh Dickins <hughd@google.com> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: NeilBrown <neilb@suse.de> Cc: Peter Xu <peterx@redhat.com> Cc: Ralph Campbell <rcampbell@nvidia.com> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Miaohe Lin
|
6cec2b95da |
mm/shmem: fix infinite loop when swap in shmem error at swapoff time
When swap in shmem error at swapoff time, there would be a infinite loop in the while loop in shmem_unuse_inode(). It's because swapin error is deliberately ignored now and thus info->swapped will never reach 0. So we can't escape the loop in shmem_unuse(). In order to fix the issue, swapin_error entry is stored in the mapping when swapin error occurs. So the swapcache page can be freed and the user won't end up with a permanently mounted swap because a sector is bad. If the page is accessed later, the user process will be killed so that corrupted data is never consumed. On the other hand, if the page is never accessed, the user won't even notice it. Link: https://lkml.kernel.org/r/20220519125030.21486-5-linmiaohe@huawei.com Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Reported-by: Naoya Horiguchi <naoya.horiguchi@nec.com> Reviewed-by: Naoya Horiguchi <naoya.horiguchi@nec.com> Cc: Alistair Popple <apopple@nvidia.com> Cc: David Hildenbrand <david@redhat.com> Cc: David Howells <dhowells@redhat.com> Cc: Hugh Dickins <hughd@google.com> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: NeilBrown <neilb@suse.de> Cc: Peter Xu <peterx@redhat.com> Cc: Ralph Campbell <rcampbell@nvidia.com> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Miaohe Lin
|
7b49514fa1 |
mm/madvise: free hwpoison and swapin error entry in madvise_free_pte_range
Once the MADV_FREE operation has succeeded, callers can expect they might get zero-fill pages if accessing the memory again. Therefore it should be safe to delete the hwpoison entry and swapin error entry. There is no reason to kill the process if it has called MADV_FREE on the range. Link: https://lkml.kernel.org/r/20220519125030.21486-4-linmiaohe@huawei.com Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Suggested-by: Alistair Popple <apopple@nvidia.com> Acked-by: David Hildenbrand <david@redhat.com> Reviewed-by: Naoya Horiguchi <naoya.horiguchi@nec.com> Cc: David Howells <dhowells@redhat.com> Cc: Hugh Dickins <hughd@google.com> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: NeilBrown <neilb@suse.de> Cc: Peter Xu <peterx@redhat.com> Cc: Ralph Campbell <rcampbell@nvidia.com> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Miaohe Lin
|
14a762dd19 |
mm/swapfile: fix lost swap bits in unuse_pte()
This is observed by code review only but not any real report. When we turn off swapping we could have lost the bits stored in the swap ptes. The new rmap-exclusive bit is fine since that turned into a page flag, but not for soft-dirty and uffd-wp. Add them. Link: https://lkml.kernel.org/r/20220519125030.21486-3-linmiaohe@huawei.com Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Suggested-by: Peter Xu <peterx@redhat.com> Reviewed-by: David Hildenbrand <david@redhat.com> Cc: Alistair Popple <apopple@nvidia.com> Cc: David Howells <dhowells@redhat.com> Cc: Hugh Dickins <hughd@google.com> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: Naoya Horiguchi <naoya.horiguchi@nec.com> Cc: NeilBrown <neilb@suse.de> Cc: Ralph Campbell <rcampbell@nvidia.com> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Miaohe Lin
|
9f186f9e5f |
mm/swapfile: unuse_pte can map random data if swap read fails
Patch series "A few fixup patches for mm", v4. This series contains a few patches to avoid mapping random data if swap read fails and fix lost swap bits in unuse_pte. Also we free hwpoison and swapin error entry in madvise_free_pte_range and so on. More details can be found in the respective changelogs. This patch (of 5): There is a bug in unuse_pte(): when swap page happens to be unreadable, page filled with random data is mapped into user address space. In case of error, a special swap entry indicating swap read fails is set to the page table. So the swapcache page can be freed and the user won't end up with a permanently mounted swap because a sector is bad. And if the page is accessed later, the user process will be killed so that corrupted data is never consumed. On the other hand, if the page is never accessed, the user won't even notice it. Link: https://lkml.kernel.org/r/20220519125030.21486-1-linmiaohe@huawei.com Link: https://lkml.kernel.org/r/20220519125030.21486-2-linmiaohe@huawei.com Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Acked-by: David Hildenbrand <david@redhat.com> Cc: Hugh Dickins <hughd@google.com> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: David Howells <dhowells@redhat.com> Cc: NeilBrown <neilb@suse.de> Cc: Alistair Popple <apopple@nvidia.com> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Peter Xu <peterx@redhat.com> Cc: Ralph Campbell <rcampbell@nvidia.com> Cc: Naoya Horiguchi <naoya.horiguchi@nec.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
Michal Koutný
|
f079a020ba |
selftests: memcg: factor out common parts of memory.{low,min} tests
The memory protection test setup and runtime is almost equal for memory.low and memory.min cases. It makes modification of the common parts prone to mistakes, since the protections are similar not only in setup but also in principle, factor the common part out. Past exceptions between the tests: - missing memory.min is fine (kept), - test_memcg_low protected orphaned pagecache (adapted like test_memcg_min and we keep the processes of protected memory running). The evaluation in two tests is different (OOM of allocator vs low events of protégés), this is kept different. Link: https://lkml.kernel.org/r/20220518161859.21565-6-mkoutny@suse.com Signed-off-by: Michal Koutný <mkoutny@suse.com> Acked-by: Roman Gushchin <roman.gushchin@linux.dev> CC: Johannes Weiner <hannes@cmpxchg.org> Cc: Michal Hocko <mhocko@kernel.org> Cc: Shakeel Butt <shakeelb@google.com> Cc: Richard Palethorpe <rpalethorpe@suse.de> Cc: David Vernet <void@manifault.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
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Michal Koutný
|
6a35919005 |
selftests: memcg: remove protection from top level memcg
The reclaim is triggered by memory limit in a subtree, therefore the testcase does not need configured protection against external reclaim. Also, correct respective comments. Link: https://lkml.kernel.org/r/20220518161859.21565-5-mkoutny@suse.com Signed-off-by: Michal Koutný <mkoutny@suse.com> Acked-by: Roman Gushchin <roman.gushchin@linux.dev> Cc: David Vernet <void@manifault.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Michal Hocko <mhocko@kernel.org> Cc: Richard Palethorpe <rpalethorpe@suse.de> Cc: Shakeel Butt <shakeelb@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Michal Koutný
|
f10b6e9a8e |
selftests: memcg: adjust expected reclaim values of protected cgroups
The numbers are not easy to derive in a closed form (certainly mere protections ratios do not apply), therefore use a simulation to obtain expected numbers. Link: https://lkml.kernel.org/r/20220518161859.21565-4-mkoutny@suse.com Signed-off-by: Michal Koutný <mkoutny@suse.com> Acked-by: Roman Gushchin <roman.gushchin@linux.dev> Cc: David Vernet <void@manifault.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Michal Hocko <mhocko@kernel.org> Cc: Richard Palethorpe <rpalethorpe@suse.de> Cc: Shakeel Butt <shakeelb@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
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Michal Koutný
|
1d09069f53 |
selftests: memcg: expect no low events in unprotected sibling
This is effectively a revert of commit
|
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Michal Koutný
|
ff3b72a5d6 |
selftests: memcg: fix compilation
Patch series "memcontrol selftests fixups", v2.
Flushing the patches to make memcontrol selftests check the events
behavior we had consensus about (test_memcg_low fails).
(test_memcg_reclaim, test_memcg_swap_max fail for me now but it's present
even before the refactoring.)
The two bigger changes are:
- adjustment of the protected values to make tests succeed with the given
tolerance,
- both test_memcg_low and test_memcg_min check protection of memory in
populated cgroups (actually as per Documentation/admin-guide/cgroup-v2.rst
memory.min should not apply to empty cgroups, which is not the case
currently. Therefore I unified tests with the populated case in order to to
bring more broken tests).
This patch (of 5):
This fixes mis-applied changes from commit
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Miaohe Lin
|
943fb61dd6 |
mm/z3fold: fix z3fold_page_migrate races with z3fold_map
Think about the below scenario:
CPU1 CPU2
z3fold_page_migrate z3fold_map
z3fold_page_trylock
...
z3fold_page_unlock
/* slots still points to old zhdr*/
get_z3fold_header
get slots from handle
get old zhdr from slots
z3fold_page_trylock
return *old* zhdr
encode_handle(new_zhdr, FIRST|LAST|MIDDLE)
put_page(page) /* zhdr is freed! */
but zhdr is still used by caller!
z3fold_map can map freed z3fold page and lead to use-after-free bug. To
fix it, we add PAGE_MIGRATED to indicate z3fold page is migrated and soon
to be released. So get_z3fold_header won't return such page.
Link: https://lkml.kernel.org/r/20220429064051.61552-10-linmiaohe@huawei.com
Fixes:
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Miaohe Lin
|
04094226d6 |
mm/z3fold: fix z3fold_reclaim_page races with z3fold_free
Think about the below scenario:
CPU1 CPU2
z3fold_reclaim_page z3fold_free
spin_lock(&pool->lock) get_z3fold_header -- hold page_lock
kref_get_unless_zero
kref_put--zhdr->refcount can be 1 now
!z3fold_page_trylock
kref_put -- zhdr->refcount is 0 now
release_z3fold_page
WARN_ON(!list_empty(&zhdr->buddy)); -- we're on buddy now!
spin_lock(&pool->lock); -- deadlock here!
z3fold_reclaim_page might race with z3fold_free and will lead to pool lock
deadlock and zhdr buddy non-empty warning. To fix this, defer getting the
refcount until page_lock is held just like what __z3fold_alloc does. Note
this has the side effect that we won't break the reclaim if we meet a soon
to be released z3fold page now.
Link: https://lkml.kernel.org/r/20220429064051.61552-9-linmiaohe@huawei.com
Fixes:
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Miaohe Lin
|
4a1c383910 |
mm/z3fold: always clear PAGE_CLAIMED under z3fold page lock
Think about the below race window: CPU1 CPU2 z3fold_reclaim_page z3fold_free test_and_set_bit PAGE_CLAIMED failed to reclaim page z3fold_page_lock(zhdr); add back to the lru list; z3fold_page_unlock(zhdr); get_z3fold_header page_claimed=test_and_set_bit PAGE_CLAIMED clear_bit(PAGE_CLAIMED, &page->private); if (!page_claimed) /* it's false true */ free_handle is not called free_handle won't be called in this case. So z3fold_buddy_slots will leak. Fix it by always clear PAGE_CLAIMED under z3fold page lock. Link: https://lkml.kernel.org/r/20220429064051.61552-8-linmiaohe@huawei.com Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Reviewed-by: Vitaly Wool <vitaly.wool@konsulko.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Miaohe Lin
|
6cf9a34967 |
mm/z3fold: put z3fold page back into unbuddied list when reclaim or migration fails
When doing z3fold page reclaim or migration, the page is removed from unbuddied list. If reclaim or migration succeeds, it's fine as page is released. But in case it fails, the page is not put back into unbuddied list now. The page will be leaked until next compaction work, reclaim or migration is done. Link: https://lkml.kernel.org/r/20220429064051.61552-7-linmiaohe@huawei.com Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Reviewed-by: Vitaly Wool <vitaly.wool@konsulko.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Miaohe Lin
|
f4bad643c1 |
revert "mm/z3fold.c: allow __GFP_HIGHMEM in z3fold_alloc"
Revert commit
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Miaohe Lin
|
2c0f351434 |
mm/z3fold: throw warning on failure of trylock_page in z3fold_alloc
If trylock_page fails, the page won't be non-lru movable page. When this page is freed via free_z3fold_page, it will trigger bug on PageMovable check in __ClearPageMovable. Throw warning on failure of trylock_page to guard against such rare case just as what zsmalloc does. Link: https://lkml.kernel.org/r/20220429064051.61552-5-linmiaohe@huawei.com Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Cc: Vitaly Wool <vitaly.wool@konsulko.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Miaohe Lin
|
df6f0f1d0c |
mm/z3fold: remove buggy use of stale list for allocation
Currently if z3fold couldn't find an unbuddied page it would first try to pull a page off the stale list. But this approach is problematic. If init z3fold page fails later, the page should be freed via free_z3fold_page to clean up the relevant resource instead of using __free_page directly. And if page is successfully reused, it will BUG_ON later in __SetPageMovable because it's already non-lru movable page, i.e. PAGE_MAPPING_MOVABLE is already set in page->mapping. In order to fix all of these issues, we can simply remove the buggy use of stale list for allocation because can_sleep should always be false and we never really hit the reusing code path now. Link: https://lkml.kernel.org/r/20220429064051.61552-4-linmiaohe@huawei.com Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Reviewed-by: Vitaly Wool <vitaly.wool@konsulko.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Miaohe Lin
|
7c61c35bbd |
mm/z3fold: fix possible null pointer dereferencing
alloc_slots could fail to allocate memory under heavy memory pressure. So
we should check zhdr->slots against NULL to avoid future null pointer
dereferencing.
Link: https://lkml.kernel.org/r/20220429064051.61552-3-linmiaohe@huawei.com
Fixes:
|
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Miaohe Lin
|
4c6bdb3640 |
mm/z3fold: fix sheduling while atomic
Patch series "A few fixup patches for z3fold".
This series contains a few fixup patches to fix sheduling while atomic,
fix possible null pointer dereferencing, fix various race conditions and
so on. More details can be found in the respective changelogs.
This patch (of 9):
z3fold's page_lock is always held when calling alloc_slots. So gfp should
be GFP_ATOMIC to avoid "scheduling while atomic" bug.
Link: https://lkml.kernel.org/r/20220429064051.61552-1-linmiaohe@huawei.com
Link: https://lkml.kernel.org/r/20220429064051.61552-2-linmiaohe@huawei.com
Fixes:
|
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Zi Yan
|
86d28b0709 |
mm: split free page with properly free memory accounting and without race
In isolate_single_pageblock(), free pages are checked without holding zone
lock, but they can go away in split_free_page() when zone lock is held.
Check the free page and its order again in split_free_page() when zone lock
is held. Recheck the page if the free page is gone under zone lock.
In addition, in split_free_page(), the free page was deleted from the page
list without changing free page accounting. Add the missing free page
accounting code.
Fix the type of order parameter in split_free_page().
Link: https://lore.kernel.org/lkml/20220525103621.987185e2ca0079f7b97b856d@linux-foundation.org/
Link: https://lkml.kernel.org/r/20220526231531.2404977-2-zi.yan@sent.com
Fixes:
|
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|
Zi Yan
|
9b209e557d |
mm: page-isolation: skip isolated pageblock in start_isolate_page_range()
start_isolate_page_range() first isolates the first and the last
pageblocks in the range and ensure pages across range boundaries are split
during isolation. But it missed the case when the range is <= a pageblock
and the first and the last pageblocks are the same one, so the second
isolate_single_pageblock() will always fail. To fix it, skip the
pageblock isolation in second isolate_single_pageblock().
Link: https://lkml.kernel.org/r/20220526231531.2404977-1-zi.yan@sent.com
Fixes:
|
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Miaohe Lin
|
24c8e27e63 |
mm/page_table_check: fix accessing unmapped ptep
ptep is unmapped too early, so ptep could theoretically be accessed while
it's unmapped. This might become a problem if/when CONFIG_HIGHPTE becomes
available on riscv.
Fix it by deferring pte_unmap() until page table checking is done.
[akpm@linux-foundation.org: account for ptep alteration, per Matthew]
Link: https://lkml.kernel.org/r/20220526113350.30806-1-linmiaohe@huawei.com
Fixes:
|
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Naveen N. Rao
|
3e35142ef9 |
kexec_file: drop weak attribute from arch_kexec_apply_relocations[_add]
Since commit d1bcae833b32f1 ("ELF: Don't generate unused section
symbols") [1], binutils (v2.36+) started dropping section symbols that
it thought were unused. This isn't an issue in general, but with
kexec_file.c, gcc is placing kexec_arch_apply_relocations[_add] into a
separate .text.unlikely section and the section symbol ".text.unlikely"
is being dropped. Due to this, recordmcount is unable to find a non-weak
symbol in .text.unlikely to generate a relocation record against.
Address this by dropping the weak attribute from these functions.
Instead, follow the existing pattern of having architectures #define the
name of the function they want to override in their headers.
[1] https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=d1bcae833b32f1
[akpm@linux-foundation.org: arch/s390/include/asm/kexec.h needs linux/module.h]
Link: https://lkml.kernel.org/r/20220519091237.676736-1-naveen.n.rao@linux.vnet.ibm.com
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
|
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Mel Gorman
|
c572e4888a |
mm/page_alloc: always attempt to allocate at least one page during bulk allocation
Peter Pavlisko reported the following problem on kernel bugzilla 216007. When I try to extract an uncompressed tar archive (2.6 milion files, 760.3 GiB in size) on newly created (empty) XFS file system, after first low tens of gigabytes extracted the process hangs in iowait indefinitely. One CPU core is 100% occupied with iowait, the other CPU core is idle (on 2-core Intel Celeron G1610T). It was bisected to |
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Mike Kravetz
|
48381273f8 |
hugetlb: fix huge_pmd_unshare address update
The routine huge_pmd_unshare() is passed a pointer to an address
associated with an area which may be unshared. If unshare is successful
this address is updated to 'optimize' callers iterating over huge page
addresses. For the optimization to work correctly, address should be
updated to the last huge page in the unmapped/unshared area. However, in
the common case where the passed address is PUD_SIZE aligned, the address
is incorrectly updated to the address of the preceding huge page. That
wastes CPU cycles as the unmapped/unshared range is scanned twice.
Link: https://lkml.kernel.org/r/20220524205003.126184-1-mike.kravetz@oracle.com
Fixes:
|
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|
Linus Torvalds
|
7e284070ab |
- Enable DM core bioset's per-cpu bio cache if QUEUE_FLAG_POLL
set. This change improves DM's hipri bio polling (REQ_POLLED)
performance by 7 - 20% depending on the system.
- Update DM core to use jump_labels to further reduce cost of unlikely
branches for zoned block devices, dm-stats and swap_bios throttling.
- Various DM core changes to reduce bio-based DM overhead and simplify
IO accounting.
- Fundamental DM core improvements to dm_io reference counting and the
elimination of using bio_split()+bio_chain() -- instead DM's
bio-based IO accounting is updated to account that a split occurred.
- Improve DM core's abnormal bio processing to do less work.
- Improve DM core's hipri polling support to use a single list rather
than an hlist.
- Update DM core to pass NULL bdev to bio_alloc_clone() so that
initialization that isn't useful for DM can be elided.
- Add cond_resched to DM stats' various loops that loop over all
entries.
- Fix incorrect error code return from DM integrity's constructor.
- Make DM crypt's printing of the key constant-time.
- Update bio-based DM multipath to provide high-resolution timer to
the Historical Service Time (HST) path selector.
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Merge tag 'for-5.19/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper updates from Mike Snitzer:
- Enable DM core bioset's per-cpu bio cache if QUEUE_FLAG_POLL set.
This change improves DM's hipri bio polling (REQ_POLLED) performance
by 7 - 20% depending on the system.
- Update DM core to use jump_labels to further reduce cost of unlikely
branches for zoned block devices, dm-stats and swap_bios throttling.
- Various DM core changes to reduce bio-based DM overhead and simplify
IO accounting.
- Fundamental DM core improvements to dm_io reference counting and the
elimination of using bio_split()+bio_chain() -- instead DM's
bio-based IO accounting is updated to account that a split occurred.
- Improve DM core's abnormal bio processing to do less work.
- Improve DM core's hipri polling support to use a single list rather
than an hlist.
- Update DM core to pass NULL bdev to bio_alloc_clone() so that
initialization that isn't useful for DM can be elided.
- Add cond_resched to DM stats' various loops that loop over all
entries.
- Fix incorrect error code return from DM integrity's constructor.
- Make DM crypt's printing of the key constant-time.
- Update bio-based DM multipath to provide high-resolution timer to the
Historical Service Time (HST) path selector.
* tag 'for-5.19/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (26 commits)
dm: pass NULL bdev to bio_alloc_clone
dm cache metadata: remove unnecessary variable in __dump_mapping
dm mpath: provide high-resolution timer to HST for bio-based
dm crypt: make printing of the key constant-time
dm integrity: fix error code in dm_integrity_ctr()
dm stats: add cond_resched when looping over entries
dm: improve abnormal bio processing
dm: simplify bio-based IO accounting further
dm: put all polled dm_io instances into a single list
dm: improve dm_io reference counting
dm: don't grab target io reference in dm_zone_map_bio
dm: improve bio splitting and associated IO accounting
dm: switch to bdev based IO accounting interfaces
dm: pass dm_io instance to dm_io_acct directly
dm: don't pass bio to __dm_start_io_acct and dm_end_io_acct
dm: use bio_sectors in dm_aceept_partial_bio
dm: simplify basic targets
dm: conditionally enable branching for less used features
dm: introduce dm_{get,put}_live_table_bio called from dm_submit_bio
dm: move hot dm_io members to same cacheline as dm_target_io
...
|
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Linus Torvalds
|
780d8ce716 |
v5.19 pull request
Small collection of incremental improvement patches:
- Minor code cleanup patches, comment improvements, etc from static tools
- Clean the some of the kernel caps, reducing the historical stealth uAPI
leftovers
- Bug fixes and minor changes for rdmavt, hns, rxe, irdma
- Remove unimplemented cruft from rxe
- Reorganize UMR QP code in mlx5 to avoid going through the IB verbs layer
- flush_workqueue(system_unbound_wq) removal
- Ensure rxe waits for objects to be unused before allowing the core to
free them
- Several rc quality bug fixes for hfi1
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma updates from Jason Gunthorpe:
"Small collection of incremental improvement patches:
- Minor code cleanup patches, comment improvements, etc from static
tools
- Clean the some of the kernel caps, reducing the historical stealth
uAPI leftovers
- Bug fixes and minor changes for rdmavt, hns, rxe, irdma
- Remove unimplemented cruft from rxe
- Reorganize UMR QP code in mlx5 to avoid going through the IB verbs
layer
- flush_workqueue(system_unbound_wq) removal
- Ensure rxe waits for objects to be unused before allowing the core
to free them
- Several rc quality bug fixes for hfi1"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (67 commits)
RDMA/rtrs-clt: Fix one kernel-doc comment
RDMA/hfi1: Remove all traces of diagpkt support
RDMA/hfi1: Consolidate software versions
RDMA/hfi1: Remove pointless driver version
RDMA/hfi1: Fix potential integer multiplication overflow errors
RDMA/hfi1: Prevent panic when SDMA is disabled
RDMA/hfi1: Prevent use of lock before it is initialized
RDMA/rxe: Fix an error handling path in rxe_get_mcg()
IB/core: Fix typo in comment
RDMA/core: Fix typo in comment
IB/hf1: Fix typo in comment
IB/qib: Fix typo in comment
IB/iser: Fix typo in comment
RDMA/mlx4: Avoid flush_scheduled_work() usage
IB/isert: Avoid flush_scheduled_work() usage
RDMA/mlx5: Remove duplicate pointer assignment in mlx5_ib_alloc_implicit_mr()
RDMA/qedr: Remove unnecessary synchronize_irq() before free_irq()
RDMA/hns: Use hr_reg_read() instead of remaining roce_get_xxx()
RDMA/hns: Use hr_reg_xxx() instead of remaining roce_set_xxx()
RDMA/irdma: Add SW mechanism to generate completions on error
...
|
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Linus Torvalds
|
090b39af59 |
kernel hardening fix for v5.19-rc1
- Avoid GCC plugins needing utsrelease.h build target (Masahiro Yamada) -----BEGIN PGP SIGNATURE----- iQJKBAABCgA0FiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAmKPnCQWHGtlZXNjb29r QGNocm9taXVtLm9yZwAKCRCJcvTf3G3AJkPYD/oD5OvCR37Mr5ZUwxZ28U9pz1YO PjAYqS5D6n+pQvdda4hQM6Ac6Ei0wfHvmZKIorp5oWlOZypMD8QmrkvQIjHKqvCO vtwaPpFyV69JDC6vx2IJks/Btfi6ZV0YDtGUb9HNA56qCjjtTsXf9SduH0VtGcwb tK4uG4BJLPkLq9f3lsYtL025GL+tp7po0OwgKkl/6xbnE+l7/V0ddMdOV961b1zQ hYqqCy7tsdThwkpeil1WWvAuo3w0zYa4+LF3WJvYQpua+txtcH8dvwkt/xCa15Uq y5u9fkd2p5NDpj+Y1nhcGiOFPBdYvoI7zNvXH1MFZcSakyPuS159tya1OMIdV2RB FS2oDxbltZA6cn6a22SjIchjHrgm911aNpPhx3OWuuzDZ9lLv+iwKBE+kIJPPCZx IfbatVColopOVXfQ/DpDlPO/7dZPZVJJQrZsnL/6PwLR1EtKMnN5cgXgdstdObnk FEEP3Kx9tPX0EOiK1rc3ebXvhlYZyuO47lwnxjRiDrHjh9RPrnqTX1LgRl5WHKzQ hZnNQ63N/Si+07Q7mBrRyYKXpzMvB1BCzgHYXpTetviVfaFW2C97nvjd5O27JrqP ot37OjW+uogv+1/0NaT76ZZby36Vmr2yGqvA3Zgvdrk1JMpPT8wMys+ER8tVnzzD CwByXrQkmrCmmFm9OQ== =gF9H -----END PGP SIGNATURE----- Merge tag 'hardening-v5.19-rc1-fix1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull kernel hardening fix from Kees Cook: "This fixes an unlucky build race condition when using the GCC plugins, noticed by a few folks. - Avoid GCC plugins needing utsrelease.h build target (Masahiro Yamada)" * tag 'hardening-v5.19-rc1-fix1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: gcc-plugins: use KERNELVERSION for plugin version |
||
|
Linus Torvalds
|
6d29d7fe4f |
NFSD 5.19 Release Notes
We introduce "courteous server" in this release. Previously NFSD would purge open and lock state for an unresponsive client after one lease period (typically 90 seconds). Now, after one lease period, another client can open and lock those files and the unresponsive client's lease is purged; otherwise if the unrespon- sive client's open and lock state is uncontended, the server retains that open and lock state for up to 24 hours, allowing the client's workload to resume after a lengthy network partition. A longstanding issue with NFSv4 file creation is also addressed. Previously a file creation can fail internally, returning an error to the client, but leave the newly created file in place as an artifact. The file creation code path has been reorganized so that internal failures and race conditions are less likely to result in an unwanted file creation. A fault injector has been added to help exercise paths that are run during kernel metadata cache invalidation. These caches contain information maintained by user space about exported filesystems. Many of our test workloads do not trigger cache invalidation. There is one patch that is needed to support PREEMPT_RT and a fix for an ancient "sleep while spin-locked" splat that seems to have become easier to hit since v5.18-rc3. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEKLLlsBKG3yQ88j7+M2qzM29mf5cFAmKPliAACgkQM2qzM29m f5dB3BAAorPa2L8xu5P1Ge1oTNogNSOVRkLPDzEkfEwK07ZM2qvz78eMZGkMziJ/ strorvBWl3SWBlVtTePgNpJUjgYQ75MRRwaX7Qh2WuHeRKm1JlZm0/NId3+zKgbh N40QI20jdswWcNDuhidxVFFWurd09GlcM4z1cu8gZLbfthkiUOjZoPiLkXeNcvhk 7wC9GiueWxHefYQQDAKh1nQS/L0GG1EkzJdJo7WUVAldZ9qVY9LpmJVMRqrBBbta XrFYfpeY1zFFDY4Qolyz5PUJSeQuDj9PctlhoZ6B1hp56PD/6yaqVhYXiPxtlALj tITtktfiekULZkgfvfvyzssCv+wkbYiaEBZcSSCauR7dkGOmBmajO+cf7vpsERgE fbCU8DWGk78SMeehdCrO+26cV37VP+8c2t2Txq/rG5Eq4ZoCi++Hj5poRboFLqb+ oom+0Ee0LfcAKXkxH5gWTPTblHo49GzGitPZtRzTgZ9uFnVwvEaJ4+t0ij0J8JpL HuVtWrg5/REhqpEvOSwF0sRmkYWLTu7KdueGn/iZ8xUi7GHEue01NsVkClohKJcR WOjWrbNCNF/LJaG88MX0z5u7IO7s9bOHphd7PJ92vR+4YsehW3uRhk+rNi2ZBqQz hzULfu8BiaicV9fdB/hDcMmKQD6U6due2AVVPtxTf5XY+CHQNRY= =phE1 -----END PGP SIGNATURE----- Merge tag 'nfsd-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux Pull nfsd updates from Chuck Lever: "We introduce 'courteous server' in this release. Previously NFSD would purge open and lock state for an unresponsive client after one lease period (typically 90 seconds). Now, after one lease period, another client can open and lock those files and the unresponsive client's lease is purged; otherwise if the unresponsive client's open and lock state is uncontended, the server retains that open and lock state for up to 24 hours, allowing the client's workload to resume after a lengthy network partition. A longstanding issue with NFSv4 file creation is also addressed. Previously a file creation can fail internally, returning an error to the client, but leave the newly created file in place as an artifact. The file creation code path has been reorganized so that internal failures and race conditions are less likely to result in an unwanted file creation. A fault injector has been added to help exercise paths that are run during kernel metadata cache invalidation. These caches contain information maintained by user space about exported filesystems. Many of our test workloads do not trigger cache invalidation. There is one patch that is needed to support PREEMPT_RT and a fix for an ancient 'sleep while spin-locked' splat that seems to have become easier to hit since v5.18-rc3" * tag 'nfsd-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: (36 commits) NFSD: nfsd_file_put() can sleep NFSD: Add documenting comment for nfsd4_release_lockowner() NFSD: Modernize nfsd4_release_lockowner() NFSD: Fix possible sleep during nfsd4_release_lockowner() nfsd: destroy percpu stats counters after reply cache shutdown nfsd: Fix null-ptr-deref in nfsd_fill_super() nfsd: Unregister the cld notifier when laundry_wq create failed SUNRPC: Use RMW bitops in single-threaded hot paths NFSD: Clean up the show_nf_flags() macro NFSD: Trace filecache opens NFSD: Move documenting comment for nfsd4_process_open2() NFSD: Fix whitespace NFSD: Remove dprintk call sites from tail of nfsd4_open() NFSD: Instantiate a struct file when creating a regular NFSv4 file NFSD: Clean up nfsd_open_verified() NFSD: Remove do_nfsd_create() NFSD: Refactor NFSv4 OPEN(CREATE) NFSD: Refactor NFSv3 CREATE NFSD: Refactor nfsd_create_setattr() NFSD: Avoid calling fh_drop_write() twice in do_nfsd_create() ... |
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Linus Torvalds
|
7f50d4dfe8 |
OpenRISC updates for 5.19
Fixups and enhancements for OpenRISC:
- A few sparse warning fixups and other cleanups I noticed when working
on a recent TLB bug found on a new OpenRISC core bring up.
- A few fixup's from me and Jason A Donenfeld to help shutdown OpenRISC
platforms when running CI tests
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Merge tag 'for-linus' of https://github.com/openrisc/linux
Pull OpenRISC updates from Stafford Horne:
- A few sparse warning fixups and other cleanups I noticed when working
on a recent TLB bug found on a new OpenRISC core bring up.
- A few fixup's from me and Jason A Donenfeld to help shutdown OpenRISC
platforms when running CI tests
* tag 'for-linus' of https://github.com/openrisc/linux:
openrisc: Allow power off handler overriding
openrisc: Remove unused IMMU tlb workardound
openrisc/fault: Fix symbol scope warnings
openrisc/delay: Add include to fix symbol not declared warning
openrisc/time: Fix symbol scope warnings
openrisc/traps: Declare unhandled_exception for asmlinkage
openrisc/traps: Remove die_if_kernel function
openrisc/traps: Declare file scope symbols as static
openrisc: Update litex defconfig to support glibc userland
openrisc: Pretty print show_registers memory dumps
openrisc: Add syscall details to emergency syscall debugging
openrisc: Add support for liteuart emergency printing
openrisc: Cleanup emergency print handling
openrisc: Add gcc machine instruction flag configuration
openrisc: define nop command for simulator reboot
openrisc: remove bogus nops and shutdowns
openrisc: fix typos in comments
|
||
|
Linus Torvalds
|
ba62a537b4 |
ARC changes for 5.19-rc1
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||
|
Linus Torvalds
|
ef98f9cfe2 |
Modules updates for v5.19-rc1
As promised, for v5.19 I queued up quite a bit of work for modules, but
still with a pretty conservative eye. These changes have been soaking on
modules-next (and so linux-next) for quite some time, the code shift was
merged onto modules-next on March 22, and the last patch was queued on May
5th.
The following are the highlights of what bells and whistles we will get for
v5.19:
1) It was time to tidy up kernel/module.c and one way of starting with
that effort was to split it up into files. At my request Aaron Tomlin
spearheaded that effort with the goal to not introduce any
functional at all during that endeavour. The penalty for the split
is +1322 bytes total, +112 bytes in data, +1210 bytes in text while
bss is unchanged. One of the benefits of this other than helping
make the code easier to read and review is summoning more help on review
for changes with livepatching so kernel/module/livepatch.c is now
pegged as maintained by the live patching folks.
The before and after with just the move on a defconfig on x86-64:
$ size kernel/module.o
text data bss dec hex filename
38434 4540 104 43078 a846 kernel/module.o
$ size -t kernel/module/*.o
text data bss dec hex filename
4785 120 0 4905 1329 kernel/module/kallsyms.o
28577 4416 104 33097 8149 kernel/module/main.o
1158 8 0 1166 48e kernel/module/procfs.o
902 108 0 1010 3f2 kernel/module/strict_rwx.o
3390 0 0 3390 d3e kernel/module/sysfs.o
832 0 0 832 340 kernel/module/tree_lookup.o
39644 4652 104 44400 ad70 (TOTALS)
2) Aaron added module unload taint tracking (MODULE_UNLOAD_TAINT_TRACKING),
so to enable tracking unloaded modules which did taint the kernel.
3) Christophe Leroy added CONFIG_ARCH_WANTS_MODULES_DATA_IN_VMALLOC
which lets architectures to request having modules data in vmalloc
area instead of module area. There are three reasons why an
architecture might want this:
a) On some architectures (like book3s/32) it is not possible to protect
against execution on a page basis. The exec stuff can be mapped by
different arch segment sizes (on book3s/32 that is 256M segments). By
default the module area is in an Exec segment while vmalloc area is in
a NoExec segment. Using vmalloc lets you muck with module data as
NoExec on those architectures whereas before you could not.
b) By pushing more module data to vmalloc you also increase the
probability of module text to remain within a closer distance
from kernel core text and this reduces trampolines, this has been
reported on arm first and powerpc folks are following that lead.
c) Free'ing module_alloc() (Exec by default) area leaves this
exposed as Exec by default, some architectures have some
security enhancements to set this as NoExec on free, and splitting
module data with text let's future generic special allocators
be added to the kernel without having developers try to grok
the tribal knowledge per arch. Work like Rick Edgecombe's
permission vmalloc interface [0] becomes easier to address over
time.
[0] https://lore.kernel.org/lkml/20201120202426.18009-1-rick.p.edgecombe@intel.com/#r
4) Masahiro Yamada's symbol search enhancements
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Merge tag 'modules-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux
Pull modules updates from Luis Chamberlain:
- It was time to tidy up kernel/module.c and one way of starting with
that effort was to split it up into files. At my request Aaron Tomlin
spearheaded that effort with the goal to not introduce any functional
at all during that endeavour. The penalty for the split is +1322
bytes total, +112 bytes in data, +1210 bytes in text while bss is
unchanged. One of the benefits of this other than helping make the
code easier to read and review is summoning more help on review for
changes with livepatching so kernel/module/livepatch.c is now pegged
as maintained by the live patching folks.
The before and after with just the move on a defconfig on x86-64:
$ size kernel/module.o
text data bss dec hex filename
38434 4540 104 43078 a846 kernel/module.o
$ size -t kernel/module/*.o
text data bss dec hex filename
4785 120 0 4905 1329 kernel/module/kallsyms.o
28577 4416 104 33097 8149 kernel/module/main.o
1158 8 0 1166 48e kernel/module/procfs.o
902 108 0 1010 3f2 kernel/module/strict_rwx.o
3390 0 0 3390 d3e kernel/module/sysfs.o
832 0 0 832 340 kernel/module/tree_lookup.o
39644 4652 104 44400 ad70 (TOTALS)
- Aaron added module unload taint tracking (MODULE_UNLOAD_TAINT_TRACKING),
to enable tracking unloaded modules which did taint the kernel.
- Christophe Leroy added CONFIG_ARCH_WANTS_MODULES_DATA_IN_VMALLOC
which lets architectures to request having modules data in vmalloc
area instead of module area. There are three reasons why an
architecture might want this:
a) On some architectures (like book3s/32) it is not possible to
protect against execution on a page basis. The exec stuff can be
mapped by different arch segment sizes (on book3s/32 that is 256M
segments). By default the module area is in an Exec segment while
vmalloc area is in a NoExec segment. Using vmalloc lets you muck
with module data as NoExec on those architectures whereas before
you could not.
b) By pushing more module data to vmalloc you also increase the
probability of module text to remain within a closer distance
from kernel core text and this reduces trampolines, this has been
reported on arm first and powerpc folks are following that lead.
c) Free'ing module_alloc() (Exec by default) area leaves this
exposed as Exec by default, some architectures have some security
enhancements to set this as NoExec on free, and splitting module
data with text let's future generic special allocators be added
to the kernel without having developers try to grok the tribal
knowledge per arch. Work like Rick Edgecombe's permission vmalloc
interface [0] becomes easier to address over time.
[0] https://lore.kernel.org/lkml/20201120202426.18009-1-rick.p.edgecombe@intel.com/#r
- Masahiro Yamada's symbol search enhancements
* tag 'modules-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux: (33 commits)
module: merge check_exported_symbol() into find_exported_symbol_in_section()
module: do not binary-search in __ksymtab_gpl if fsa->gplok is false
module: do not pass opaque pointer for symbol search
module: show disallowed symbol name for inherit_taint()
module: fix [e_shstrndx].sh_size=0 OOB access
module: Introduce module unload taint tracking
module: Move module_assert_mutex_or_preempt() to internal.h
module: Make module_flags_taint() accept a module's taints bitmap and usable outside core code
module.h: simplify MODULE_IMPORT_NS
powerpc: Select ARCH_WANTS_MODULES_DATA_IN_VMALLOC on book3s/32 and 8xx
module: Remove module_addr_min and module_addr_max
module: Add CONFIG_ARCH_WANTS_MODULES_DATA_IN_VMALLOC
module: Introduce data_layout
module: Prepare for handling several RB trees
module: Always have struct mod_tree_root
module: Rename debug_align() as strict_align()
module: Rework layout alignment to avoid BUG_ON()s
module: Move module_enable_x() and frob_text() in strict_rwx.c
module: Make module_enable_x() independent of CONFIG_ARCH_HAS_STRICT_MODULE_RWX
module: Move version support into a separate file
...
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