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93664 Commits
Author | SHA1 | Message | Date | |
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Linus Torvalds
|
839c4f596f |
12 hotfixes, 11 of which are cc:stable.
Four fixes for longstanding ocfs2 issues and the remainder address random MM things. -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCZuvTyAAKCRDdBJ7gKXxA jrc4AP95yg/8E50PLyVKFIsot3Vaodq908cz2vvS0n0915NO7AD+Psy11a2aR1E5 L/ZND8Zyv06qmz73WJ7BUIx0CHCniw4= =eX0p -----END PGP SIGNATURE----- Merge tag 'mm-hotfixes-stable-2024-09-19-00-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull misc hotfixes from Andrew Morton: "12 hotfixes, 11 of which are cc:stable. Four fixes for longstanding ocfs2 issues and the remainder address random MM things" * tag 'mm-hotfixes-stable-2024-09-19-00-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: mm/madvise: process_madvise() drop capability check if same mm mm/huge_memory: ensure huge_zero_folio won't have large_rmappable flag set mm/hugetlb.c: fix UAF of vma in hugetlb fault pathway mm: change vmf_anon_prepare() to __vmf_anon_prepare() resource: fix region_intersects() vs add_memory_driver_managed() zsmalloc: use unique zsmalloc caches names mm/damon/vaddr: protect vma traversal in __damon_va_thre_regions() with rcu read lock mm: vmscan.c: fix OOM on swap stress test ocfs2: cancel dqi_sync_work before freeing oinfo ocfs2: fix possible null-ptr-deref in ocfs2_set_buffer_uptodate ocfs2: remove unreasonable unlock in ocfs2_read_blocks ocfs2: fix null-ptr-deref when journal load failed. |
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Linus Torvalds
|
de848da12f |
drm next for 6.12-rc1
string: - add mem_is_zero() core: - support more device numbers - use XArray for minor ids - add backlight constants - Split dma fence array creation into alloc and arm fbdev: - remove usage of old fbdev hooks kms: - Add might_fault() to drm_modeset_lock priming - Add dynamic per-crtc vblank configuration support dma-buf: - docs cleanup buddy: - Add start address support for trim function printk: - pass description to kmsg_dump scheduler; - Remove full_recover from drm_sched_start ttm: - Make LRU walk restartable after dropping locks - Allow direct reclaim to allocate local memory panic: - add display QR code (in rust) displayport: - mst: GUID improvements bridge: - Silence error message on -EPROBE_DEFER - analogix: Clean aup - bridge-connector: Fix double free - lt6505: Disable interrupt when powered off - tc358767: Make default DP port preemphasis configurable - lt9611uxc: require DRM_BRIDGE_ATTACH_NO_CONNECTOR - anx7625: simplify OF array handling - dw-hdmi: simplify clock handling - lontium-lt8912b: fix mode validation - nwl-dsi: fix mode vsync/hsync polarity xe: - Enable LunarLake and Battlemage support - Introducing Xe2 ccs modifiers for integrated and discrete graphics - rename xe perf to xe observation - use wb caching on DGFX for system memory - add fence timeouts - Lunar Lake graphics/media/display workarounds - Battlemage workarounds - Battlemage GSC support - GSC and HuC fw updates for LL/BM - use dma_fence_chain_free - refactor hw engine lookup and mmio access - enable priority mem read for Xe2 - Add first GuC BMG fw - fix dma-resv lock - Fix DGFX display suspend/resume - Use xe_managed for kernel BOs - Use reserved copy engine for user binds on faulting devices - Allow mixing dma-fence jobs and long-running faulting jobs - fix media TLB invalidation - fix rpm in TTM swapout path - track resources and VF state by PF i915: - Type-C programming fix for MTL+ - FBC cleanup - Calc vblank delay more accurately - On DP MST, Enable LT fallback for UHBR<->non-UHBR rates - Fix DP LTTPR detection - limit relocations to INT_MAX - fix long hangs in buddy allocator on DG2/A380 amdgpu: - Per-queue reset support - SDMA devcoredump support - DCN 4.0.1 updates - GFX12/VCN4/JPEG4 updates - Convert vbios embedded EDID to drm_edid - GFX9.3/9.4 devcoredump support - process isolation framework for GFX 9.4.3/4 - take IOMMU mappings into account for P2P DMA amdkfd: - CRIU fixes - HMM fix - Enable process isolation support for GFX 9.4.3/4 - Allow users to target recommended SDMA engines - KFD support for targetting queues on recommended SDMA engines radeon: - remove .load and drm_dev_alloc - Fix vbios embedded EDID size handling - Convert vbios embedded EDID to drm_edid - Use GEM references instead of TTM - r100 cp init cleanup - Fix potential overflows in evergreen CS offset tracking msm: - DPU: - implement DP/PHY mapping on SC8180X - Enable writeback on SM8150, SC8180X, SM6125, SM6350 - DP: - Enable widebus on all relevant chipsets - MSM8998 HDMI support - GPU: - A642L speedbin support - A615/A306/A621 support - A7xx devcoredump support ast: - astdp: Support AST2600 with VGA - Clean up HPD - Fix timeout loop for DP link training - reorganize output code by type (VGA, DP, etc) - convert to struct drm_edid - fix BMC handling for all outputs exynos: - drop stale MAINTAINERS pattern - constify struct loongson: - use GEM refcount over TTM mgag200: - Improve BMC handling - Support VBLANK intterupts - transparently support BMC outputs nouveau: - Refactor and clean up internals - Use GEM refcount over TTM's gm12u320: - convert to struct drm_edid gma500: - update i2c terms lcdif: - pixel clock fix host1x: - fix syncpoint IRQ during resume - use iommu_paging_domain_alloc() imx: - ipuv3: convert to struct drm_edid omapdrm: - improve error handling - use common helper for_each_endpoint_of_node() panel: - add support for BOE TV101WUM-LL2 plus DT bindings - novatek-nt35950: improve error handling - nv3051d: improve error handling - panel-edp: add support for BOE NE140WUM-N6G; revert support for SDC ATNA45AF01 - visionox-vtdr6130: improve error handling; use devm_regulator_bulk_get_const() - boe-th101mb31ig002: Support for starry-er88577 MIPI-DSI panel plus DT; Fix porch parameter - edp: Support AOU B116XTN02.3, AUO B116XAN06.1, AOU B116XAT04.1, BOE NV140WUM-N41, BOE NV133WUM-N63, BOE NV116WHM-A4D, CMN N116BCA-EA2, CMN N116BCP-EA2, CSW MNB601LS1-4 - himax-hx8394: Support Microchip AC40T08A MIPI Display panel plus DT - ilitek-ili9806e: Support Densitron DMT028VGHMCMI-1D TFT plus DT - jd9365da: Support Melfas lmfbx101117480 MIPI-DSI panel plus DT; Refactor for code sharing - panel-edp: fix name for HKC MB116AN01 - jd9365da: fix "exit sleep" commands - jdi-fhd-r63452: simplify error handling with DSI multi-style helpers - mantix-mlaf057we51: simplify error handling with DSI multi-style helpers - simple: support Innolux G070ACE-LH3 plus DT bindings support On Tat Industrial Company KD50G21-40NT-A1 plus DT bindings - st7701: decouple DSI and DRM code add SPI support support Anbernic RG28XX plus DT bindings mediatek: - support alpha blending - remove cl in struct cmdq_pkt - ovl adaptor fix - add power domain binding for mediatek DPI controller renesas: - rz-du: add support for RZ/G2UL plus DT bindings rockchip: - Improve DP sink-capability reporting - dw_hdmi: Support 4k@60Hz - vop: Support RGB display on Rockchip RK3066; Support 4096px width sti: - convert to struct drm_edid stm: - Avoid UAF wih managed plane and CRTC helpers - Fix module owner - Fix error handling in probe - Depend on COMMON_CLK - ltdc: Fix transparency after disabling plane; Remove unused interrupt tegra: - gr3d: improve PM domain handling - convert to struct drm_edid - Call drm_atomic_helper_shutdown() vc4: - fix PM during detect - replace DRM_ERROR() with drm_error() - v3d: simplify clock retrieval v3d: - Clean up perfmon virtio: - add DRM capset -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEEKbZHaGwW9KfbeusDHTzWXnEhr4FAmbq43gACgkQDHTzWXnE hr4+lg/+O/r41E7ioitcM0DWeWem0dTlvQr41pJ8jujHvw+bXNdg0BMGWtsTyTLA eOft2AwofsFjg+O7l8IFXOT37mQLdIdfjb3+w5brI198InL3OWC3QV8ZSwY9VGET n8crO9jFoxNmHZnFniBZbtI6egTyl6H+2ey3E0MTnKiPUKZQvsK/4+x532yVLPob UUOze5wcjyGZc7LJEIZPohPVneCb9ki7sabDQqh4cxIQ0Eg+nqPpWjYM4XVd+lTS 8QmssbR49LrJ7z9m90qVE+8TjYUCn+ChDPMs61KZAAnc8k++nK41btjGZ23mDKPb YEguahCYthWJ4U8K18iXBPnLPxZv5+harQ8OIWAUYqdIOWSXHozvuJ2Z84eHV13a 9mQ5vIymXang8G1nEXwX/vml9uhVhBCeWu3qfdse2jfaTWYUb1YzhqUoFvqI0R0K 8wT03MyNdx965CSqAhpH5Jd559ueZmpd+jsHOfhAS+1gxfD6NgoPXv7lpnMUmGWX SnaeC9RLD4cgy7j2Swo7TEqQHrvK5XhZSwX94kU6RPmFE5RRKqWgFVQmwuikDMId UpNqDnPT5NL2UX4TNG4V4coyTXvKgVcSB9TA7j8NSLfwdGHhiz73pkYosaZXKyxe u6qKMwMONfZiT20nhD7RhH0AFnnKosAcO14dhn0TKFZPY6Ce9O8= =7jR+ -----END PGP SIGNATURE----- Merge tag 'drm-next-2024-09-19' of https://gitlab.freedesktop.org/drm/kernel Pull drm updates from Dave Airlie: "This adds a couple of patches outside the drm core, all should be acked appropriately, the string and pstore ones are the main ones that come to mind. Otherwise it's the usual drivers, xe is getting enabled by default on some new hardware, we've changed the device number handling to allow more devices, and we added some optional rust code to create QR codes in the panic handler, an idea first suggested I think 10 years ago :-) string: - add mem_is_zero() core: - support more device numbers - use XArray for minor ids - add backlight constants - Split dma fence array creation into alloc and arm fbdev: - remove usage of old fbdev hooks kms: - Add might_fault() to drm_modeset_lock priming - Add dynamic per-crtc vblank configuration support dma-buf: - docs cleanup buddy: - Add start address support for trim function printk: - pass description to kmsg_dump scheduler: - Remove full_recover from drm_sched_start ttm: - Make LRU walk restartable after dropping locks - Allow direct reclaim to allocate local memory panic: - add display QR code (in rust) displayport: - mst: GUID improvements bridge: - Silence error message on -EPROBE_DEFER - analogix: Clean aup - bridge-connector: Fix double free - lt6505: Disable interrupt when powered off - tc358767: Make default DP port preemphasis configurable - lt9611uxc: require DRM_BRIDGE_ATTACH_NO_CONNECTOR - anx7625: simplify OF array handling - dw-hdmi: simplify clock handling - lontium-lt8912b: fix mode validation - nwl-dsi: fix mode vsync/hsync polarity xe: - Enable LunarLake and Battlemage support - Introducing Xe2 ccs modifiers for integrated and discrete graphics - rename xe perf to xe observation - use wb caching on DGFX for system memory - add fence timeouts - Lunar Lake graphics/media/display workarounds - Battlemage workarounds - Battlemage GSC support - GSC and HuC fw updates for LL/BM - use dma_fence_chain_free - refactor hw engine lookup and mmio access - enable priority mem read for Xe2 - Add first GuC BMG fw - fix dma-resv lock - Fix DGFX display suspend/resume - Use xe_managed for kernel BOs - Use reserved copy engine for user binds on faulting devices - Allow mixing dma-fence jobs and long-running faulting jobs - fix media TLB invalidation - fix rpm in TTM swapout path - track resources and VF state by PF i915: - Type-C programming fix for MTL+ - FBC cleanup - Calc vblank delay more accurately - On DP MST, Enable LT fallback for UHBR<->non-UHBR rates - Fix DP LTTPR detection - limit relocations to INT_MAX - fix long hangs in buddy allocator on DG2/A380 amdgpu: - Per-queue reset support - SDMA devcoredump support - DCN 4.0.1 updates - GFX12/VCN4/JPEG4 updates - Convert vbios embedded EDID to drm_edid - GFX9.3/9.4 devcoredump support - process isolation framework for GFX 9.4.3/4 - take IOMMU mappings into account for P2P DMA amdkfd: - CRIU fixes - HMM fix - Enable process isolation support for GFX 9.4.3/4 - Allow users to target recommended SDMA engines - KFD support for targetting queues on recommended SDMA engines radeon: - remove .load and drm_dev_alloc - Fix vbios embedded EDID size handling - Convert vbios embedded EDID to drm_edid - Use GEM references instead of TTM - r100 cp init cleanup - Fix potential overflows in evergreen CS offset tracking msm: - DPU: - implement DP/PHY mapping on SC8180X - Enable writeback on SM8150, SC8180X, SM6125, SM6350 - DP: - Enable widebus on all relevant chipsets - MSM8998 HDMI support - GPU: - A642L speedbin support - A615/A306/A621 support - A7xx devcoredump support ast: - astdp: Support AST2600 with VGA - Clean up HPD - Fix timeout loop for DP link training - reorganize output code by type (VGA, DP, etc) - convert to struct drm_edid - fix BMC handling for all outputs exynos: - drop stale MAINTAINERS pattern - constify struct loongson: - use GEM refcount over TTM mgag200: - Improve BMC handling - Support VBLANK intterupts - transparently support BMC outputs nouveau: - Refactor and clean up internals - Use GEM refcount over TTM's gm12u320: - convert to struct drm_edid gma500: - update i2c terms lcdif: - pixel clock fix host1x: - fix syncpoint IRQ during resume - use iommu_paging_domain_alloc() imx: - ipuv3: convert to struct drm_edid omapdrm: - improve error handling - use common helper for_each_endpoint_of_node() panel: - add support for BOE TV101WUM-LL2 plus DT bindings - novatek-nt35950: improve error handling - nv3051d: improve error handling - panel-edp: - add support for BOE NE140WUM-N6G - revert support for SDC ATNA45AF01 - visionox-vtdr6130: - improve error handling - use devm_regulator_bulk_get_const() - boe-th101mb31ig002: - Support for starry-er88577 MIPI-DSI panel plus DT - Fix porch parameter - edp: Support AOU B116XTN02.3, AUO B116XAN06.1, AOU B116XAT04.1, BOE NV140WUM-N41, BOE NV133WUM-N63, BOE NV116WHM-A4D, CMN N116BCA-EA2, CMN N116BCP-EA2, CSW MNB601LS1-4 - himax-hx8394: Support Microchip AC40T08A MIPI Display panel plus DT - ilitek-ili9806e: Support Densitron DMT028VGHMCMI-1D TFT plus DT - jd9365da: - Support Melfas lmfbx101117480 MIPI-DSI panel plus DT - Refactor for code sharing - panel-edp: fix name for HKC MB116AN01 - jd9365da: fix "exit sleep" commands - jdi-fhd-r63452: simplify error handling with DSI multi-style helpers - mantix-mlaf057we51: simplify error handling with DSI multi-style helpers - simple: - support Innolux G070ACE-LH3 plus DT bindings - support On Tat Industrial Company KD50G21-40NT-A1 plus DT bindings - st7701: - decouple DSI and DRM code - add SPI support - support Anbernic RG28XX plus DT bindings mediatek: - support alpha blending - remove cl in struct cmdq_pkt - ovl adaptor fix - add power domain binding for mediatek DPI controller renesas: - rz-du: add support for RZ/G2UL plus DT bindings rockchip: - Improve DP sink-capability reporting - dw_hdmi: Support 4k@60Hz - vop: - Support RGB display on Rockchip RK3066 - Support 4096px width sti: - convert to struct drm_edid stm: - Avoid UAF wih managed plane and CRTC helpers - Fix module owner - Fix error handling in probe - Depend on COMMON_CLK - ltdc: - Fix transparency after disabling plane - Remove unused interrupt tegra: - gr3d: improve PM domain handling - convert to struct drm_edid - Call drm_atomic_helper_shutdown() vc4: - fix PM during detect - replace DRM_ERROR() with drm_error() - v3d: simplify clock retrieval v3d: - Clean up perfmon virtio: - add DRM capset" * tag 'drm-next-2024-09-19' of https://gitlab.freedesktop.org/drm/kernel: (1326 commits) drm/xe: Fix missing conversion to xe_display_pm_runtime_resume drm/xe/xe2hpg: Add Wa_15016589081 drm/xe: Don't keep stale pointer to bo->ggtt_node drm/xe: fix missing 'xe_vm_put' drm/xe: fix build warning with CONFIG_PM=n drm/xe: Suppress missing outer rpm protection warning drm/xe: prevent potential UAF in pf_provision_vf_ggtt() drm/amd/display: Add all planes on CRTC to state for overlay cursor drm/i915/bios: fix printk format width drm/i915/display: Fix BMG CCS modifiers drm/amdgpu: get rid of bogus includes of fdtable.h drm/amdkfd: CRIU fixes drm/amdgpu: fix a race in kfd_mem_export_dmabuf() drm: new helper: drm_gem_prime_handle_to_dmabuf() drm/amdgpu/atomfirmware: Silence UBSAN warning drm/amdgpu: Fix kdoc entry in 'amdgpu_vm_cpu_prepare' drm/amd/amdgpu: apply command submission parser for JPEG v1 drm/amd/amdgpu: apply command submission parser for JPEG v2+ drm/amd/pm: fix the pp_dpm_pcie issue on smu v14.0.2/3 drm/amd/pm: update the features set on smu v14.0.2/3 ... |
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Linus Torvalds
|
54450af662 |
parisc architecture fixes and updates for kernel v6.12-rc1:
- Convert parisc to the generic clockevents framework - Fix syscall and mm for 64-bit userspace - Fix stack start when ADDR_NO_RANDOMIZE personality is set - Fix mmap(MAP_STACK) to map upward growing expandable memory on parisc -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQS86RI+GtKfB8BJu973ErUQojoPXwUCZumrLQAKCRD3ErUQojoP X0ifAQCLI1G7+watiiVDXf3DRR3o6G73CUO5NlEkkY94T0/megEA1Pn92Prqt4fd QikvJ/jKXPgcDHplqVWqm4EYG2ByIQA= =ytxZ -----END PGP SIGNATURE----- Merge tag 'parisc-for-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux Pull parisc architecture updates from Helge Deller: - On parisc we now use the generic clockevent framework for timekeeping - Although there is no 64-bit glibc/userspace for parisc yet, for testing purposes one can run statically linked 64-bit binaries. This patchset contains two patches which fix 64-bit userspace which has been broken since kernel 4.19 - Fix the userspace stack position and size when the ADDR_NO_RANDOMIZE personality is enabled - On other architectures mmap(MAP_GROWSDOWN | MAP_STACK) creates a downward-growing stack. On parisc mmap(MAP_STACK) is now sufficient to create an upward-growing stack * tag 'parisc-for-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: Allow mmap(MAP_STACK) memory to automatically expand upwards parisc: Use PRIV_USER instead of hardcoded value parisc: Fix itlb miss handler for 64-bit programs parisc: Fix 64-bit userspace syscall path parisc: Fix stack start for ADDR_NO_RANDOMIZE personality parisc: Convert to generic clockevents parisc: pdc_stable: Constify struct kobj_type |
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Linus Torvalds
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932d2d1fcb |
dlm for 6.12
- Remove some unnecesary hold/unhold rsb refcounting in cases where an existing refcount is known to exist. - Remove some unnecessary checking for zero nodeids, which should never exist, and add some warning if they do. - Make the slow freeing of structs in release_lockspace() async, run from a workqueue. - Prior rcu freeing allows some further struct lookups to run without a lock. - Use blocking kernel_connect on sockets to avoid EINPROGRESS. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEcGkeEvkvjdvlR90nOBtzx/yAaaoFAmbpqCEACgkQOBtzx/yA aap1FBAAk6qmMoGHLl4pmJtDtPNZlsyCE7/SIdGjeMuszX5ENMl3sdoJ7qxX8ism r9v7YqN7K3lLuFb8xnuLw1i5VAp8jkNgTEQ2z4gOKRpHILCsQkJyFHF3CxpqbiOz DbyIgOOqo00kgU/sI3NwbuwSr18DZhY8QylIvqk32K2TjhdfxhffocVsfroDJWAH NdcH71rAVcPVe+Ls1XW6Bqn+QpDbcaki4V524MImBVVRGHxD1FjFjZ1ppohcqDK0 Xdrxeh3iVz0ovoyxkpHEvdW0+t3y4jLo4bR9iQnj7MVA5eNX4uwTdd1deSg/ueY2 6m7WMIZy6hA1Tj6TdAf+dXp+MPm+LhHaXv7wz1yJU6JdTUryvctynLgXBTVhNEcM y5TVuLC4ad1NgFsPeGAG7vH1puXoVCxoKT8pPGQhbBoUbILJALGR8ApF/kc+CZms AUYB2oQoaZXtaubrF3WoUQ4eakypo3z0MVzNzLsO+AYJAOiqQkLJaa6dVLu1qg7n 6UjBypNyJjevoWJIUqI0lYlXD7x3HFz3q6LYjhThITDnNo57KzqgqJ2p9KHtEp8/ WPNm7zPHzH088wk19uEbJP67FySPa34XUqebfOv32je5rHvrF7Ux3TkHI9Dm+by9 PwI3LtmXQyNbH9nwFdqFda7SuDTnlskTCEr3bZx+Dact6Zwk9Lc= =25XB -----END PGP SIGNATURE----- Merge tag 'dlm-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm Pull dlm updates from David Teigland: - Remove some unnecesary hold/unhold rsb refcounting in cases where an existing refcount is known to exist - Remove some unnecessary checking for zero nodeids, which should never exist, and add some warning if they do - Make the slow freeing of structs in release_lockspace() async, run from a workqueue - Prior rcu freeing allows some further struct lookups to run without a lock - Use blocking kernel_connect on sockets to avoid EINPROGRESS * tag 'dlm-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm: dlm: add missing -ENOMEM if alloc_workqueue() fails dlm: do synchronized socket connect call dlm: move lkb xarray lookup out of lock dlm: move dlm_search_rsb_tree() out of lock dlm: use RSB_HASHED to avoid lookup twice dlm: async freeing of lockspace resources dlm: drop kobject release callback handling dlm: warn about invalid nodeid comparsions dlm: never return invalid nodeid by dlm_our_nodeid() dlm: remove unnecessary refcounts dlm: cleanup memory allocation helpers |
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Linus Torvalds
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8751b21ad9 |
New code for 6.12:
* Introduce new ioctls to exchange contents of two files. The first ioctl does the preparation work to exchange the contents of two files while the second ioctl performs the actual exchange if the target file has not been changed since a given sampling point. * Fixes - Fix bugs associated with calculating the maximum range of realtime extents to scan for free space. - Copy keys instead of records when resizing the incore BMBT root block. - Do not report FITRIMming more bytes than possibly exist in the filesystem. - Modify xfs_fs.h to prevent C++ compilation errors. - Do not over eagerly free post-EOF speculative preallocation. - Ensure st_blocks never goes to zero during COW writes * Cleanups/refactors - Use Xarray to hold per-AG data instead of a Radix tree. - Cleanup the following functionality, - Realtime bitmap. - Inode allocator. - Quota. - Inode rooted btree code. Signed-off-by: Chandan Babu R <chandanbabu@kernel.org> -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQQjMC4mbgVeU7MxEIYH7y4RirJu9AUCZtmy/gAKCRAH7y4RirJu 9H3GAP9CnoiZu+U/QmNL5T15fgNGs+BQDrUNbmbn3bNlmIZviQEAi3p+50OlT0nP lcQ/89NJ6uDFNBiphpkGajlp5vn2BQ0= =7wy/ -----END PGP SIGNATURE----- Merge tag 'xfs-6.12-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux Pull xfs updates from Chandan Babu: "New code: - Introduce new ioctls to exchange contents of two files. The first ioctl does the preparation work to exchange the contents of two files while the second ioctl performs the actual exchange if the target file has not been changed since a given sampling point. Fixes: - Fix bugs associated with calculating the maximum range of realtime extents to scan for free space. - Copy keys instead of records when resizing the incore BMBT root block. - Do not report FITRIMming more bytes than possibly exist in the filesystem. - Modify xfs_fs.h to prevent C++ compilation errors. - Do not over eagerly free post-EOF speculative preallocation. - Ensure st_blocks never goes to zero during COW writes Cleanups/refactors: - Use Xarray to hold per-AG data instead of a Radix tree. - Cleanups to: - realtime bitmap - inode allocator - quota - inode rooted btree code" * tag 'xfs-6.12-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (61 commits) xfs: ensure st_blocks never goes to zero during COW writes xfs: use xas_for_each_marked in xfs_reclaim_inodes_count xfs: convert perag lookup to xarray xfs: simplify tagged perag iteration xfs: move the tagged perag lookup helpers to xfs_icache.c xfs: use kfree_rcu_mightsleep to free the perag structures xfs: use LIST_HEAD() to simplify code xfs: Remove duplicate xfs_trans_priv.h header xfs: remove unnecessary check xfs: Use xfs set and clear mp state helpers xfs: reclaim speculative preallocations for append only files xfs: simplify extent lookup in xfs_can_free_eofblocks xfs: check XFS_EOFBLOCKS_RELEASED earlier in xfs_release_eofblocks xfs: only free posteof blocks on first close xfs: don't free post-EOF blocks on read close xfs: skip all of xfs_file_release when shut down xfs: don't bother returning errors from xfs_file_release xfs: refactor f_op->release handling xfs: remove the i_mode check in xfs_release xfs: standardize the btree maxrecs function parameters ... |
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Linus Torvalds
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4e0373f1f9 |
24 smb3 client fixes, about half cleanup, and SMB3.1.1 compression improvements, and also fixes for special file types with sfu mount option
-----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEE6fsu8pdIjtWE/DpLiiy9cAdyT1EFAmbpAwkACgkQiiy9cAdy T1FJhgv+PX+IIGyNNW0I3f3ZzIWqc1DCwxXHCa3gvr7TKimJ71AGbEdzFZZzl3AJ CdxSLf2NQ6tBUxl65QuMC7XykqQXKvNnQEDPoQcHfFgTtYJi+zng1dDvvXSfFbWW m2Hql1w6MNFeKlFBavbA6MI94MnZqE5J/yCtWqw3LvEn4l2JwYrAzS5Lw9qjtcER DmlOsrEFgpsFhhpnyPZXJxaWKZIDG2OuG61LWkqyhvLOTtuFuc9cEsTWPdeRYAT6 KKh5z58wqG2JG0IkVjG1foBclv0zcZgUzqOr2/tzbabYye991kLnUitaTwd+u8xS pTbVIw1E91sFEqVsr2IpnLUq68MKaahlNfHkNJD0dqaMKfGOujqtNRFw82Yki4w5 aTosgECyUiGKgwuE8HLtwlJaE4EizVdrqQiP2cUOrtuWPvOvnY7vjWKC8kmSM0Z/ u0ov6JdirVlnFE3dlS0i6ywKaolsrrPYUTbv4ihjQiGHtm+VjonH8VYsdg8sUV0e 5/+cyqaF =B6Et -----END PGP SIGNATURE----- Merge tag 'v6.12-rc-smb3-client-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6 Pull smb client updates from Steve French: - cleanups (moving duplicated code, removing unused code etc) - fixes relating to "sfu" mount options (for better handling special file types) - SMB3.1.1 compression fixes/improvements * tag 'v6.12-rc-smb3-client-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6: (24 commits) smb: client: fix compression heuristic functions cifs: Update SFU comments about fifos and sockets cifs: Add support for creating SFU symlinks smb: use LIST_HEAD() to simplify code cifs: Recognize SFU socket type cifs: Show debug message when SFU Fifo type was detected cifs: Put explicit zero byte into SFU block/char types cifs: Add support for reading SFU symlink location cifs: Fix recognizing SFU symlinks smb: client: compress: fix an "illegal accesses" issue smb: client: compress: fix a potential issue of freeing an invalid pointer smb: client: compress: LZ77 code improvements cleanup smb: client: insert compression check/call on write requests smb3: mark compression as CONFIG_EXPERIMENTAL and fix missing compression operation cifs: Remove obsoleted declaration for cifs_dir_open smb: client: Use min() macro cifs: convert to use ERR_CAST() smb: add comment to STATUS_MCA_OCCURED smb: move SMB2 Status code to common header file smb: move some duplicate definitions to common/smbacl.h ... |
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Linus Torvalds
|
39898f0925 |
Four ksmbd server fixes, three for stable
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Linus Torvalds
|
cc3804443b |
A few fixes for jfs
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Linus Torvalds
|
45d986d113 |
overlayfs updates for 6.12
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Linus Torvalds
|
4a39ac5b7d |
Random number generator updates for Linux 6.12-rc1.
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Linus Torvalds
|
667495de21 |
execve updates for v6.12-rc1
- binfmt_elf: Dump smaller VMAs first in ELF cores (Brian Mak) - binfmt_elf: mseal address zero (Jeff Xu) - binfmt_elf, coredump: Log the reason of the failed core dumps (Roman Kisel) -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRSPkdeREjth1dHnSE2KwveOeQkuwUCZufubAAKCRA2KwveOeQk uyBPAQC2sM6j4xEEjyVkUZMmtumhyHMWtYmkqTmP8SbFn0Q3eQD/Yh9iyRng6Kmc jYm7RumqQkT+wrjXXKlazuJN9w7knAU= =UuX5 -----END PGP SIGNATURE----- Merge tag 'execve-v6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull execve updates from Kees Cook: - binfmt_elf: Dump smaller VMAs first in ELF cores (Brian Mak) - binfmt_elf: mseal address zero (Jeff Xu) - binfmt_elf, coredump: Log the reason of the failed core dumps (Roman Kisel) * tag 'execve-v6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: binfmt_elf: mseal address zero binfmt_elf: Dump smaller VMAs first in ELF cores binfmt_elf, coredump: Log the reason of the failed core dumps coredump: Standartize and fix logging |
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Linus Torvalds
|
7c9026b2b0 |
pstore updates for v6.12-rc1
- ramoops: Fix .rst typo (Steven Rostedt) - pstore: replace spinlock_t by raw_spinlock_t (Wen Yang) -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRSPkdeREjth1dHnSE2KwveOeQkuwUCZufrKwAKCRA2KwveOeQk u0PQAQDtABDUAMyV9kgAG3nU9L0En+p8s+rF+9MJLDmFEnmjkQD8C7ky6cW74/3R b56tAsSsuFMuHdx4AGGD7rAWrnVUswc= =HNdN -----END PGP SIGNATURE----- Merge tag 'pstore-v6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull pstore updates from Kees Cook: - ramoops: Fix .rst typo (Steven Rostedt) - pstore: replace spinlock_t by raw_spinlock_t (Wen Yang) * tag 'pstore-v6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: pstore: replace spinlock_t by raw_spinlock_t pstore/ramoops: Fix typo as there is no "reserver" |
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Linus Torvalds
|
bdf56c7580 |
slab updates for 6.12
-----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEe7vIQRWZI0iWSE3xu+CwddJFiJoFAmbn5g0ACgkQu+CwddJF iJq+Uwf/aqnLNEpjUBzwUUhSojCpPnTtiyjv+AILTxoSTHmbu8OvN0W79+Rpbdmk O4QapAK+BCs+VL2VATwCCufcJ75Z78txO+buQE0DgwluFTIYZ+IwpUMPsK04ln6A FD1/uvP1QFx60heqcp2c4zWFBUpg4DE6ufx2A5kieO268lFcWLxyVlcdgRU79ZCt uAcV2yDLk3GvPGfxZwPKEmZUo/FmuSoBv0XgT+eWxmTu/R7hcpFse49OyjBH8Tvb 8d/RCIFgXOr8dTIjtds7eenwB/is4TkRlctezEQ0jO9/JwL/BVOgXZjD1qCtNWqz is4TWK7VV+vdq1RD+0xC2hV/+uGEwQ== =+WAm -----END PGP SIGNATURE----- Merge tag 'slab-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab Pull slab updates from Vlastimil Babka: "This time it's mostly refactoring and improving APIs for slab users in the kernel, along with some debugging improvements. - kmem_cache_create() refactoring (Christian Brauner) Over the years have been growing new parameters to kmem_cache_create() where most of them are needed only for a small number of caches - most recently the rcu_freeptr_offset parameter. To avoid adding new parameters to kmem_cache_create() and adjusting all its callers, or creating new wrappers such as kmem_cache_create_rcu(), we can now pass extra parameters using the new struct kmem_cache_args. Not explicitly initialized fields default to values interpreted as unused. kmem_cache_create() is for now a wrapper that works both with the new form: kmem_cache_create(name, object_size, args, flags) and the legacy form: kmem_cache_create(name, object_size, align, flags, ctor) - kmem_cache_destroy() waits for kfree_rcu()'s in flight (Vlastimil Babka, Uladislau Rezki) Since SLOB removal, kfree() is allowed for freeing objects allocated by kmem_cache_create(). By extension kfree_rcu() as allowed as well, which can allow converting simple call_rcu() callbacks that only do kmem_cache_free(), as there was never a kmem_cache_free_rcu() variant. However, for caches that can be destroyed e.g. on module removal, the cache owners knew to issue rcu_barrier() first to wait for the pending call_rcu()'s, and this is not sufficient for pending kfree_rcu()'s due to its internal batching optimizations. Ulad has provided a new kvfree_rcu_barrier() and to make the usage less error-prone, kmem_cache_destroy() calls it. Additionally, destroying SLAB_TYPESAFE_BY_RCU caches now again issues rcu_barrier() synchronously instead of using an async work, because the past motivation for async work no longer applies. Users of custom call_rcu() callbacks should however keep calling rcu_barrier() before cache destruction. - Debugging use-after-free in SLAB_TYPESAFE_BY_RCU caches (Jann Horn) Currently, KASAN cannot catch UAFs in such caches as it is legal to access them within a grace period, and we only track the grace period when trying to free the underlying slab page. The new CONFIG_SLUB_RCU_DEBUG option changes the freeing of individual object to be RCU-delayed, after which KASAN can poison them. - Delayed memcg charging (Shakeel Butt) In some cases, the memcg is uknown at allocation time, such as receiving network packets in softirq context. With kmem_cache_charge() these may be now charged later when the user and its memcg is known. - Misc fixes and improvements (Pedro Falcato, Axel Rasmussen, Christoph Lameter, Yan Zhen, Peng Fan, Xavier)" * tag 'slab-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab: (34 commits) mm, slab: restore kerneldoc for kmem_cache_create() io_uring: port to struct kmem_cache_args slab: make __kmem_cache_create() static inline slab: make kmem_cache_create_usercopy() static inline slab: remove kmem_cache_create_rcu() file: port to struct kmem_cache_args slab: create kmem_cache_create() compatibility layer slab: port KMEM_CACHE_USERCOPY() to struct kmem_cache_args slab: port KMEM_CACHE() to struct kmem_cache_args slab: remove rcu_freeptr_offset from struct kmem_cache slab: pass struct kmem_cache_args to do_kmem_cache_create() slab: pull kmem_cache_open() into do_kmem_cache_create() slab: pass struct kmem_cache_args to create_cache() slab: port kmem_cache_create_usercopy() to struct kmem_cache_args slab: port kmem_cache_create_rcu() to struct kmem_cache_args slab: port kmem_cache_create() to struct kmem_cache_args slab: add struct kmem_cache_args slab: s/__kmem_cache_create/do_kmem_cache_create/g memcg: add charging of already allocated slab objects mm/slab: Optimize the code logic in find_mergeable() ... |
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Linus Torvalds
|
c3056a7d14 |
Provide FPU buffer layout in core dumps:
Debuggers have guess the FPU buffer layout in core dumps, which is error prone. This is because AMD and Intel layouts differ. To avoid buggy heuristics add a ELF section which describes the buffer layout which can be retrieved by tools. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAmbpOuwTHHRnbHhAbGlu dXRyb25peC5kZQAKCRCmGPVMDXSYoTRAEACGHPdAYFp5A396c9qUbHUE2gEKIad2 iuq15TZKLPY/LFqfTwnkp9/nqKtZ0gj4D6XCIucWZjwWJuPgvgGf/tC9Fk+H+C6X 9+rycP3GdqxU28qLxA428SN2Pg3lvqG4rryVWeHUXQ4x8A0DSMV+3pkNY5YgJ+2+ fTzNzVi2tkPRAXhKmj3EdcFcgDPiFQBMm1QNBpc+FqrXk4rjJb9Axln0oT8xemDv TtJ5BMhFpR73naaiS4IrK8Tk3oFCa8CmafCQfl1zAOor/+EemPQKwMuGeiXE7dLG eE+OTw5zuxYwlc9WoaPmM/ZiEc5JptpHQUtyHDBN7BaK87VKjsupAXXVOh6XMRCt R2coqq7fqDqMANwWpUKddky3vSwbst1GZpXGAENOy64yU4VoFutr616WSj3sJfUi knBauPqLAFeZLhMn/kKr5a0rBgm7VuQSlGPYEhqVdaM3Eb/zJEupFL/bTpqQbbz/ 8lo2hYcfDslhShcEZYBwm4eUg+ytZ96K3ciZ5YgNih9LFBxEOo0SY1CqbQJiRtpB 3DmgldYtzRdQq5/JtFGNv717uMESn5khG3qHUpXtrDhWfD8spMWiY1yO/cwWvLFJ ZS5ATp1dAt1Pbv2MC6r9jQBbW3V7xNNAOJdzUvIZPP04PKeV0ObFOplxhabOzUDj OLquyIrjpxeisg== =Vqqo -----END PGP SIGNATURE----- Merge tag 'x86-fpu-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fpu updates from Thomas Gleixner: "Provide FPU buffer layout in core dumps: Debuggers have guess the FPU buffer layout in core dumps, which is error prone. This is because AMD and Intel layouts differ. To avoid buggy heuristics add a ELF section which describes the buffer layout which can be retrieved by tools" * tag 'x86-fpu-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/elf: Add a new FPU buffer layout info to x86 core files |
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Linus Torvalds
|
c903327d32 |
printk changes for 6.12
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Where "nbcon" stays for "No Big console lock CONsoles" aka not under the console_lock. New callbacks are added to struct console: - write_thread() for flushing nbcon consoles in task context. - write_atomic() for flushing nbcon consoles in atomic context, including NMI. - con->device_lock() and device_unlock() for taking the driver specific lock, for example, port->lock. New printk-specific kthreads are created: - per-console kthreads which get responsible for flushing normal priority messages on nbcon consoles. - thread which gets responsible for flushing normal priority messages on all consoles when CONFIG_RT enabled. The new callbacks are called under a special per-console lock which has already been added back in v6.7. It allows to distinguish three severities: normal, emergency, and panic. A context with a higher priority could take over the ownership when it is safe even in the middle of handling a record. The panic context could do it even when it is not safe. But it is allowed only for the final desperate flush before entering the infinite loop. The new lock helps to flush the messages directly in emergency and panic contexts. But it is not enough in all situations: - console_lock() is still need for synchronization against boot consoles. - con->device_lock() is need for synchronization against other operations on the same HW, e.g. serial port speed setting, non-printk related read/write. The dependency on con->device_lock() is mutual. Any code taking the driver specific lock has to acquire the related nbcon console context as well. For example, see the new uart_port_lock() API. It provides the necessary synchronization against emergency and panic contexts where the messages are flushed only under the new per-console lock. Maybe surprisingly, a quite tricky part is the decision how to flush the consoles in various situations. It has to take into account: - message priority: normal, emergency, panic - scheduling context: task, atomic, deferred_legacy - registered consoles: boot, legacy, nbcon - threads are running: early boot, suspend, shutdown, panic - caller: printk(), pr_flush(), printk_flush_in_panic(), console_unlock(), console_start(), ... The primary decision is made in printk_get_console_flush_type(). It creates a hint what the caller should do: - flush nbcon consoles directly or via the kthread - call the legacy loop (console_unlock()) directly or via irq_work The existing behavior is preserved for the legacy consoles. The only exception is that they are not longer flushed directly from printk() in panic() before CPUs are stopped. But this blocking happens only when at least one nbcon console is registered. The motivation is to increase a chance to produce the crash dump. They legacy consoles might create a deadlock in compare with nbcon consoles. The nbcon console should allow to see the messages even when the crash dump fails. There are three possible ways how nbcon consoles are flushed: - The per-nbcon-console kthread is responsible for flushing messages added with the normal priority. This is the default mode. - The legacy loop, aka console_unlock(), is used when there is still a boot console registered. There is no easy way how to match an early console driver with a nbcon console driver. And the console_lock() provides the only reliable serialization at the moment. The legacy loop uses either con->write_atomic() or con->write_thread() callbacks depending on whether it is allowed to schedule. The atomic variant has to be used from printk(). - In other situations, the messages are flushed directly using write_atomic() which can be called in any context, including NMI. It is primary needed during early boot or shutdown, in emergency situations, and panic. The emergency priority is used by a code called within nbcon_cpu_emergency_enter()/exit(). At the moment, it is used in four situations: WARN(), Oops, lockdep, and RCU stall reports. Finally, there is no nbcon console at the moment. It means that the changes should _not_ modify the existing behavior. The only exception is CONFIG_RT which would force offloading the legacy loop, for normal priority context, into the dedicated kthread" * tag 'printk-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux: (54 commits) printk: Avoid false positive lockdep report for legacy printing printk: nbcon: Assign nice -20 for printing threads printk: Implement legacy printer kthread for PREEMPT_RT tty: sysfs: Add nbcon support for 'active' proc: Add nbcon support for /proc/consoles proc: consoles: Add notation to c_start/c_stop printk: nbcon: Show replay message on takeover printk: Provide helper for message prepending printk: nbcon: Rely on kthreads for normal operation printk: nbcon: Use thread callback if in task context for legacy printk: nbcon: Relocate nbcon_atomic_emit_one() printk: nbcon: Introduce printer kthreads printk: nbcon: Init @nbcon_seq to highest possible printk: nbcon: Add context to usable() and emit() printk: Flush console on unregister_console() printk: Fail pr_flush() if before SYSTEM_SCHEDULING printk: nbcon: Add function for printers to reacquire ownership printk: nbcon: Use raw_cpu_ptr() instead of open coding printk: Use the BITS_PER_LONG macro lockdep: Mark emergency sections in lockdep splats ... |
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Linus Torvalds
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9ea925c806 |
Updates for timers and timekeeping:
- Core: - Overhaul of posix-timers in preparation of removing the workaround for periodic timers which have signal delivery ignored. - Remove the historical extra jiffie in msleep() msleep() adds an extra jiffie to the timeout value to ensure minimal sleep time. The timer wheel ensures minimal sleep time since the large rewrite to a non-cascading wheel, but the extra jiffie in msleep() remained unnoticed. Remove it. - Make the timer slack handling correct for realtime tasks. The procfs interface is inconsistent and does neither reflect reality nor conforms to the man page. Show the correct 0 slack for real time tasks and enforce it at the core level instead of having inconsistent individual checks in various timer setup functions. - The usual set of updates and enhancements all over the place. - Drivers: - Allow the ACPI PM timer to be turned off during suspend - No new drivers - The usual updates and enhancements in various drivers -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAmbn7jQTHHRnbHhAbGlu dXRyb25peC5kZQAKCRCmGPVMDXSYobqnD/9COlU0nwsulABI/aNIrsh6iYvnCC9v 14CcNta7Qn+157Wfw9BWOyHdNhR1/fPCXE8jJ71zTyIOeW27HV2JyTtxTwe9ZcdK ViHAaj7YcIjcVUEC3StCoRCPnvLslEw4qJA5AOQuDyMivdQn+YVa2c0baJxKaXZt xk4HZdMj4NAS0jRKnoZSwtKW/+Oz6rR4GAWrZo+Zs1/8ur3HfqnQfi8lJ1hJtLLW V7XDCVRvamVi6Ah3ocYPPp/1P6yeQDA1ge9aMddqaza5STWISXRtSnFMUmYP3rbS FaL8TyL+ilfny8pkGB2WlG6nLuSbtvogtdEh1gG1k1RmZt44kAtk8ba/KiWFPBSb zK9cjojRMBS71f9G4kmb5F4rnXoLsg1YbD1Nzhz3wq2Cs1Z90dc2QwMren0zoQ1x Fn56ueRyAiagBlnrSaKyso/2RvqJTNoSdi3RkpjYeAph0UoDCqvTvKjGAf1mWiw1 T/1lUWSVqWHnzZbM7XXzzajIN9bl6A7bbqlcAJ2O9vZIDt7273DG+bQym9Vh6Why 0LTGGERHxzKBsG7WRg+2Gmvv6S18UPKRo8tLtlA758rHlFuPTZCShWrIriwSNl1K Hxon+d4BparSnm1h9W/NHPKJA574UbWRCBjdk58IkAj8DxZZY4ORD9SMP+ggkV7G F6p9cgoDNP9KFg== =jE0N -----END PGP SIGNATURE----- Merge tag 'timers-core-2024-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer updates from Thomas Gleixner: "Core: - Overhaul of posix-timers in preparation of removing the workaround for periodic timers which have signal delivery ignored. - Remove the historical extra jiffie in msleep() msleep() adds an extra jiffie to the timeout value to ensure minimal sleep time. The timer wheel ensures minimal sleep time since the large rewrite to a non-cascading wheel, but the extra jiffie in msleep() remained unnoticed. Remove it. - Make the timer slack handling correct for realtime tasks. The procfs interface is inconsistent and does neither reflect reality nor conforms to the man page. Show the correct 0 slack for real time tasks and enforce it at the core level instead of having inconsistent individual checks in various timer setup functions. - The usual set of updates and enhancements all over the place. Drivers: - Allow the ACPI PM timer to be turned off during suspend - No new drivers - The usual updates and enhancements in various drivers" * tag 'timers-core-2024-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (43 commits) ntp: Make sure RTC is synchronized when time goes backwards treewide: Fix wrong singular form of jiffies in comments cpu: Use already existing usleep_range() timers: Rename next_expiry_recalc() to be unique platform/x86:intel/pmc: Fix comment for the pmc_core_acpi_pm_timer_suspend_resume function clocksource/drivers/jcore: Use request_percpu_irq() clocksource/drivers/cadence-ttc: Add missing clk_disable_unprepare in ttc_setup_clockevent clocksource/drivers/asm9260: Add missing clk_disable_unprepare in asm9260_timer_init clocksource/drivers/qcom: Add missing iounmap() on errors in msm_dt_timer_init() clocksource/drivers/ingenic: Use devm_clk_get_enabled() helpers platform/x86:intel/pmc: Enable the ACPI PM Timer to be turned off when suspended clocksource: acpi_pm: Add external callback for suspend/resume clocksource/drivers/arm_arch_timer: Using for_each_available_child_of_node_scoped() dt-bindings: timer: rockchip: Add rk3576 compatible timers: Annotate possible non critical data race of next_expiry timers: Remove historical extra jiffie for timeout in msleep() hrtimer: Use and report correct timerslack values for realtime tasks hrtimer: Annotate hrtimer_cpu_base_.*_expiry() for sparse. timers: Add sparse annotation for timer_sync_wait_running(). signal: Replace BUG_ON()s ... |
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Enzo Matsumiya
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5ac1f99fdd |
smb: client: fix compression heuristic functions
Change is_compressible() return type to bool, use WARN_ON_ONCE(1) for internal errors and return false for those. Renames: check_repeated_data -> has_repeated_data check_ascii_bytes -> is_mostly_ascii (also refactor into a single loop) calc_shannon_entropy -> has_low_entropy Also wraps "wreq->Length" in le32_to_cpu() in should_compress() (caught by sparse). Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de> Suggested-by: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Steve French <stfrench@microsoft.com> |
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Pali Rohár
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37408843f2 |
cifs: Update SFU comments about fifos and sockets
In SFU mode, activated by -o sfu mount option is now also support for creating new fifos and sockets. Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com> |
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Pali Rohár
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41d3f256c6 |
cifs: Add support for creating SFU symlinks
Linux cifs client can already detect SFU symlinks and reads it content (target location). But currently is not able to create new symlink. So implement this missing support. When 'sfu' mount option is specified and 'mfsymlinks' is not specified then create new symlinks in SFU-style. This will provide full SFU compatibility of symlinks when mounting cifs share with 'sfu' option. 'mfsymlinks' option override SFU for better Apple compatibility as explained in fs_context.c file in smb3_update_mnt_flags() function. Extend __cifs_sfu_make_node() function, which now can handle also S_IFLNK type and refactor structures passed to sync_write() in this function, by splitting SFU type and SFU data from original combined struct win_dev as combined fixed-length struct cannot be used for variable-length symlinks. Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com> |
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Linus Torvalds
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a430d95c5e |
lsm/stable-6.12 PR 20240911
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Those callbacks which haven't been converted were left as-is due to the general ugliness of the changes required to support the static call conversion; we can revisit those callbacks at a future date. - Add the Integrity Policy Enforcement (IPE) LSM This adds a new LSM, Integrity Policy Enforcement (IPE). There is plenty of documentation about IPE in this patches, so I'll refrain from going into too much detail here, but the basic motivation behind IPE is to provide a mechanism such that administrators can restrict execution to only those binaries which come from integrity protected storage, e.g. a dm-verity protected filesystem. You will notice that IPE requires additional LSM hooks in the initramfs, dm-verity, and fs-verity code, with the associated patches carrying ACK/review tags from the associated maintainers. We couldn't find an obvious maintainer for the initramfs code, but the IPE patchset has been widely posted over several years. Both Deven Bowers and Fan Wu have contributed to IPE's development over the past several years, with Fan Wu agreeing to serve as the IPE maintainer moving forward. Once IPE is accepted into your tree, I'll start working with Fan to ensure he has the necessary accounts, keys, etc. so that he can start submitting IPE pull requests to you directly during the next merge window. - Move the lifecycle management of the LSM blobs to the LSM framework Management of the LSM blobs (the LSM state buffers attached to various kernel structs, typically via a void pointer named "security" or similar) has been mixed, some blobs were allocated/managed by individual LSMs, others were managed by the LSM framework itself. Starting with this pull we move management of all the LSM blobs, minus the XFRM blob, into the framework itself, improving consistency across LSMs, and reducing the amount of duplicated code across LSMs. Due to some additional work required to migrate the XFRM blob, it has been left as a todo item for a later date; from a practical standpoint this omission should have little impact as only SELinux provides a XFRM LSM implementation. - Fix problems with the LSM's handling of F_SETOWN The LSM hook for the fcntl(F_SETOWN) operation had a couple of problems: it was racy with itself, and it was disconnected from the associated DAC related logic in such a way that the LSM state could be updated in cases where the DAC state would not. We fix both of these problems by moving the security_file_set_fowner() hook into the same section of code where the DAC attributes are updated. Not only does this resolve the DAC/LSM synchronization issue, but as that code block is protected by a lock, it also resolve the race condition. - Fix potential problems with the security_inode_free() LSM hook Due to use of RCU to protect inodes and the placement of the LSM hook associated with freeing the inode, there is a bit of a challenge when it comes to managing any LSM state associated with an inode. The VFS folks are not open to relocating the LSM hook so we have to get creative when it comes to releasing an inode's LSM state. Traditionally we have used a single LSM callback within the hook that is triggered when the inode is "marked for death", but not actually released due to RCU. Unfortunately, this causes problems for LSMs which want to take an action when the inode's associated LSM state is actually released; so we add an additional LSM callback, inode_free_security_rcu(), that is called when the inode's LSM state is released in the RCU free callback. - Refactor two LSM hooks to better fit the LSM return value patterns The vast majority of the LSM hooks follow the "return 0 on success, negative values on failure" pattern, however, there are a small handful that have unique return value behaviors which has caused confusion in the past and makes it difficult for the BPF verifier to properly vet BPF LSM programs. This includes patches to convert two of these"special" LSM hooks to the common 0/-ERRNO pattern. - Various cleanups and improvements A handful of patches to remove redundant code, better leverage the IS_ERR_OR_NULL() helper, add missing "static" markings, and do some minor style fixups. * tag 'lsm-pr-20240911' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm: (40 commits) security: Update file_set_fowner documentation fs: Fix file_set_fowner LSM hook inconsistencies lsm: Use IS_ERR_OR_NULL() helper function lsm: remove LSM_COUNT and LSM_CONFIG_COUNT ipe: Remove duplicated include in ipe.c lsm: replace indirect LSM hook calls with static calls lsm: count the LSMs enabled at compile time kernel: Add helper macros for loop unrolling init/main.c: Initialize early LSMs after arch code, static keys and calls. MAINTAINERS: add IPE entry with Fan Wu as maintainer documentation: add IPE documentation ipe: kunit test for parser scripts: add boot policy generation program ipe: enable support for fs-verity as a trust provider fsverity: expose verified fsverity built-in signatures to LSMs lsm: add security_inode_setintegrity() hook ipe: add support for dm-verity as a trust provider dm-verity: expose root hash digest and signature data to LSMs block,lsm: add LSM blob and new LSM hooks for block devices ipe: add permissive toggle ... |
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David Howells
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43a64bd02f |
cifs: Remove redundant setting of NETFS_SREQ_HIT_EOF
Fix an upstream merge resolution issue[1]. The NETFS_SREQ_HIT_EOF flag, and code to set it, got added via two different paths. The original path saw it added in the netfslib read improvements[2], but it was also added, and slightly differently, in a fix that was committed before v6.11: |
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David Howells
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dc1a456dc1 |
cifs: Fix cifs readv callback merge resolution issue
Fix an upstream merge resolution issue[1]. Prior to the netfs read healpers, the SMB1 asynchronous read callback, cifs_readv_worker() performed the cleanup for the operation in the network message processing loop, potentially slowing down the processing of incoming SMB messages. With commit |
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Linus Torvalds
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26bb0d3f38 |
for-6.12/block-20240913
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Linus Torvalds
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69a3a0a45a |
Changes since last update:
- Support file-backed mounts for containers and sandboxes; - Mark the experimental fscache backend as deprecated; - Handle overlapped pclusters caused by crafted images properly; - Fix a failure path which could cause infinite loops in z_erofs_init_decompressor(); - Get rid of unnecessary NOFAILs; - Harmless on-disk hardening & minor cleanups. -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEQ0A6bDUS9Y+83NPFUXZn5Zlu5qoFAmbkOcURHHhpYW5nQGtl cm5lbC5vcmcACgkQUXZn5Zlu5qqkshAAnUlHE+pggbWNybxB+CUAIrYAuQggGa/T B6VxSXYRPYxRgTFI5jrz58M4uKLK4vQLMWPB+DrKhsLfrEePi5crYqNOWErMyAm/ Re6MPguWY8ZkqDoMBfV5jefBKhijSyWjbI/gvHJlE1driBY2v2La4AegqKgCq5+i aHWrwL+RcK1S3T3vyJOnKgzW1fAH+5QMmQvPSmllpUHaQ6QTQrlDe3X7iVWyYHLD LtmB5HeO+GvKVRc88L9wM0vOQz5s0f+ocbR2pUWns0Fgl4gNbtCDYngvFFsW/6od +GBwC1FlMRCZHDHQWV+el9tynRU2nUidggpQT49q/IntFmtoFH+Oj9m71jjfHVoS UrBJk0rmkK34qgm9hA5r3c2AsLqZGuTI3YH6SfboH1oWLdxAB2PxI8cUIbgwutEO 42oo/cVHPeC3Vx4w7RX7GgYrl8VtE9Vb4ZK1Z3+IbG8v5VfgkZjnaFElICaoq7Ij lay7kNT1mczkp2GruAWkE+g082aN85f+6w3PopCVZbc9WUhgBduCTxwoIpy/Kbh/ YwWOTsZeimqlec583/bP5NBlrmtO/DodeBTtPivtfcSjemm5WH45tCZDcL7tsigj GA7WSS1CJRBIVMaqFyKlLtaKNB8FzR1l5FcQWblmx891WqWOF0d6mL6s5el2ykgo MGC8Arx7GUA= =Rmww -----END PGP SIGNATURE----- Merge tag 'erofs-for-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs Pull erofs updates from Gao Xiang: "In this cycle, we add file-backed mount support, which has has been a strong requirement for years. It is especially useful when there are thousands of images running on the same host for containers and other sandbox use cases, unlike OS image use cases. Without file-backed mounts, it's hard for container runtimes to manage and isolate so many unnecessary virtual block devices safely and efficiently, therefore file-backed mounts are highly preferred. For EROFS users, ComposeFS [1], containerd, and Android APEXes [2] will directly benefit from it, and I've seen no risk in implementing it as a completely immutable filesystem. The previous experimental feature "EROFS over fscache" is now marked as deprecated because: - Fscache is no longer an independent subsystem and has been merged into netfs, which was somewhat unexpected when it was proposed. - New HSM "fanotify pre-content hooks" [3] will be landed upstream. These hooks will replace "EROFS over fscache" in a simpler way, as EROFS won't be bother with kernel caching anymore. Userspace programs can also manage their own caching hierarchy more flexibly. Once the HSM "fanotify pre-content hooks" is landed, I will remove the fscache backend entirely as an internal dependency cleanup. More backgrounds are listed in the original patchset [4]. In addition to that, there are bugfixes and cleanups as usual. Summary: - Support file-backed mounts for containers and sandboxes - Mark the experimental fscache backend as deprecated - Handle overlapped pclusters caused by crafted images properly - Fix a failure path which could cause infinite loops in z_erofs_init_decompressor() - Get rid of unnecessary NOFAILs - Harmless on-disk hardening & minor cleanups" * tag 'erofs-for-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs: erofs: reject inodes with negative i_size erofs: restrict pcluster size limitations erofs: allocate more short-lived pages from reserved pool first erofs: sunset unneeded NOFAILs erofs: simplify erofs_map_blocks_flatmode() erofs: refactor read_inode calling convention erofs: use kmemdup_nul in erofs_fill_symlink erofs: mark experimental fscache backend deprecated erofs: support compressed inodes for fileio erofs: support unencoded inodes for fileio erofs: add file-backed mount support erofs: handle overlapped pclusters out of crafted images properly erofs: fix error handling in z_erofs_init_decompressor erofs: clean up erofs_register_sysfs() erofs: fix incorrect symlink detection in fast symlink |
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Linus Torvalds
|
7a40974fd0 |
for-6.12-tag
-----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE8rQSAMVO+zA4DBdWxWXV+ddtWDsFAmbjB00ACgkQxWXV+ddt WDsZ/xAAmKAPYvn9P8UZcsG+J0Uxs+OyDJ6SDxkZWw/m3gH1SzRH1+baWNIFvsTO O5GcEsjXkjfC+vBOU0Hoje1YsvLXboZLM85NvgcA8FZPAnUkLkUjVD1jYTGN7YPM gfkVFUJWdYs6uYTAX8bCIxgAqmABLJ6Jlk9HFpL82WqkUQLd/0vCnUpmRXPdG+2D RiL9b8HG9v9vahMLyVhUUdeoubD88/lNqIhbiVCoqqC+6IuFYJlpj2nZEO1N/k5F iX2VBMayRXbX0JziryU6fuE0VIr0yEttRUDdjgxL4SwCcrXBQzFaIgV43ygWbW+Y QI6nuD+hhOwDq3Dn0zz27LV5d0A5YNAGV/nO042FC28GL+qZeensX9SVKxR3ig99 tLkHhyQ8q8AdanVk/LskbBjm2LaARJIKDVmgpllVR9o+ur4P23koVsPTz/VTgBKt DcMCHNpRrryz3/S4dCcNvN7NCxZkKiPOgVx0Q6hPj/URG9LB72Gu+wrQ2wZAdxkV yIbY2EOEiks0fnuRVrG0I0WRJjyWZUSsTpjnC8VXSK+6hdfi0M2Vr+ErFMbU95Ys FyGEHfGGP5WBEEE/uxPOMRc9u6KOCfHoAjWrMPyKeJDqWS2gQ4ovOw+JjzpmaqXJ qghLDjqjkPs8c1JlnAFp9QEeiYJRX1C3qoiBU5Axt/7J36sYrEM= =kDNG -----END PGP SIGNATURE----- Merge tag 'for-6.12-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux Pull btrfs updates from David Sterba: "This brings mostly refactoring, cleanups, minor performance optimizations and usual fixes. The folio API conversions are most noticeable. There's one less visible change that could have a high impact. The extent lock scope for read is reduced, not held for the entire operation. In the buffered read case it's left to page or inode lock, some direct io read synchronization is still needed. This used to prevent deadlocks induced by page faults during direct io, so there was a 4K limitation on the requests, e.g. for io_uring. In the future this will allow smoother integration with iomap where the extent read lock was a major obstacle. User visible changes: - the FSTRIM ioctl updates the processed range even after an error or interruption - cleaner thread is woken up in SYNC ioctl instead of waking the transaction thread that can take some delay before waking up the cleaner, this can speed up cleaning of deleted subvolumes - print an error message when opening a device fail, e.g. when it's unexpectedly read-only Core changes: - improved extent map handling in various ways (locking, iteration, ...) - new assertions and locking annotations - raid-stripe-tree locking fixes - use xarray for tracking dirty qgroup extents, switched from rb-tree - turn the subpage test to compile-time condition if possible (e.g. on x86_64 with 4K pages), this allows to skip a lot of ifs and remove dead code - more preparatory work for compression in subpage mode Cleanups and refactoring - folio API conversions, many simple cases where page is passed so switch it to folios - more subpage code refactoring, update page state bitmap processing - introduce auto free for btrfs_path structure, use for the simple cases" * tag 'for-6.12-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (110 commits) btrfs: only unlock the to-be-submitted ranges inside a folio btrfs: merge btrfs_folio_unlock_writer() into btrfs_folio_end_writer_lock() btrfs: BTRFS_PATH_AUTO_FREE in orphan.c btrfs: use btrfs_path auto free in zoned.c btrfs: DEFINE_FREE for struct btrfs_path btrfs: remove btrfs_folio_end_all_writers() btrfs: constify more pointer parameters btrfs: rework BTRFS_I as macro to preserve parameter const btrfs: add and use helper to verify the calling task has locked the inode btrfs: always update fstrim_range on failure in FITRIM ioctl btrfs: convert copy_inline_to_page() to use folio btrfs: convert btrfs_decompress() to take a folio btrfs: convert zstd_decompress() to take a folio btrfs: convert lzo_decompress() to take a folio btrfs: convert zlib_decompress() to take a folio btrfs: convert try_release_extent_mapping() to take a folio btrfs: convert try_release_extent_state() to take a folio btrfs: convert submit_eb_page() to take a folio btrfs: convert submit_eb_subpage() to take a folio btrfs: convert read_key_bytes() to take a folio ... |
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Linus Torvalds
|
effdcd5275 |
affs-for-6.12-tag
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Linus Torvalds
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35219bc5c7 |
vfs-6.12.netfs
-----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCZuQEvgAKCRCRxhvAZXjc onQWAQD6IxAKPU0zom2FoWNilvSzPs7WglTtvddX9pu/lT1RNAD/YC/wOLW8mvAv 9oTAmigQDQQhEWdJA9RgLZBiw7k+DAw= =zWFb -----END PGP SIGNATURE----- Merge tag 'vfs-6.12.netfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull netfs updates from Christian Brauner: "This contains the work to improve read/write performance for the new netfs library. The main performance enhancing changes are: - Define a structure, struct folio_queue, and a new iterator type, ITER_FOLIOQ, to hold a buffer as a replacement for ITER_XARRAY. See that patch for questions about naming and form. ITER_FOLIOQ is provided as a replacement for ITER_XARRAY. The problem with an xarray is that accessing it requires the use of a lock (typically the RCU read lock) - and this means that we can't supply iterate_and_advance() with a step function that might sleep (crypto for example) without having to drop the lock between pages. ITER_FOLIOQ is the iterator for a chain of folio_queue structs, where each folio_queue holds a small list of folios. A folio_queue struct is a simpler structure than xarray and is not subject to concurrent manipulation by the VM. folio_queue is used rather than a bvec[] as it can form lists of indefinite size, adding to one end and removing from the other on the fly. - Provide a copy_folio_from_iter() wrapper. - Make cifs RDMA support ITER_FOLIOQ. - Use folio queues in the write-side helpers instead of xarrays. - Add a function to reset the iterator in a subrequest. - Simplify the write-side helpers to use sheaves to skip gaps rather than trying to work out where gaps are. - In afs, make the read subrequests asynchronous, putting them into work items to allow the next patch to do progressive unlocking/reading. - Overhaul the read-side helpers to improve performance. - Fix the caching of a partial block at the end of a file. - Allow a store to be cancelled. Then some changes for cifs to make it use folio queues instead of xarrays for crypto bufferage: - Use raw iteration functions rather than manually coding iteration when hashing data. - Switch to using folio_queue for crypto buffers. - Remove the xarray bits. Make some adjustments to the /proc/fs/netfs/stats file such that: - All the netfs stats lines begin 'Netfs:' but change this to something a bit more useful. - Add a couple of stats counters to track the numbers of skips and waits on the per-inode writeback serialisation lock to make it easier to check for this as a source of performance loss. Miscellaneous work: - Ensure that the sb_writers lock is taken around vfs_{set,remove}xattr() in the cachefiles code. - Reduce the number of conditional branches in netfs_perform_write(). - Move the CIFS_INO_MODIFIED_ATTR flag to the netfs_inode struct and remove cifs_post_modify(). - Move the max_len/max_nr_segs members from netfs_io_subrequest to netfs_io_request as they're only needed for one subreq at a time. - Add an 'unknown' source value for tracing purposes. - Remove NETFS_COPY_TO_CACHE as it's no longer used. - Set the request work function up front at allocation time. - Use bh-disabling spinlocks for rreq->lock as cachefiles completion may be run from block-filesystem DIO completion in softirq context. - Remove fs/netfs/io.c" * tag 'vfs-6.12.netfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (25 commits) docs: filesystems: corrected grammar of netfs page cifs: Don't support ITER_XARRAY cifs: Switch crypto buffer to use a folio_queue rather than an xarray cifs: Use iterate_and_advance*() routines directly for hashing netfs: Cancel dirty folios that have no storage destination cachefiles, netfs: Fix write to partial block at EOF netfs: Remove fs/netfs/io.c netfs: Speed up buffered reading afs: Make read subreqs async netfs: Simplify the writeback code netfs: Provide an iterator-reset function netfs: Use new folio_queue data type and iterator instead of xarray iter cifs: Provide the capability to extract from ITER_FOLIOQ to RDMA SGEs iov_iter: Provide copy_folio_from_iter() mm: Define struct folio_queue and ITER_FOLIOQ to handle a sequence of folios netfs: Use bh-disabling spinlocks for rreq->lock netfs: Set the request work function upon allocation netfs: Remove NETFS_COPY_TO_CACHE netfs: Reserve netfs_sreq_source 0 as unset/unknown netfs: Move max_len/max_nr_segs from netfs_io_subrequest to netfs_io_stream ... |
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Linus Torvalds
|
9020d0d844 |
vfs-6.12.mount
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Merge tag 'vfs-6.12.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs mount updates from Christian Brauner:
"Recently, we added the ability to list mounts in other mount
namespaces and the ability to retrieve namespace file descriptors
without having to go through procfs by deriving them from pidfds.
This extends nsfs in two ways:
(1) Add the ability to retrieve information about a mount namespace
via NS_MNT_GET_INFO.
This will return the mount namespace id and the number of mounts
currently in the mount namespace. The number of mounts can be
used to size the buffer that needs to be used for listmount() and
is in general useful without having to actually iterate through
all the mounts.
The structure is extensible.
(2) Add the ability to iterate through all mount namespaces over
which the caller holds privilege returning the file descriptor
for the next or previous mount namespace.
To retrieve a mount namespace the caller must be privileged wrt
to it's owning user namespace. This means that PID 1 on the host
can list all mounts in all mount namespaces or that a container
can list all mounts of its nested containers.
Optionally pass a structure for NS_MNT_GET_INFO with
NS_MNT_GET_{PREV,NEXT} to retrieve information about the mount
namespace in one go.
(1) and (2) can be implemented for other namespace types easily.
Together with recent api additions this means one can iterate through
all mounts in all mount namespaces without ever touching procfs.
The commit message in
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Linus Torvalds
|
e8fc317dfc |
vfs-6.12.procfs
-----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCZuQEwAAKCRCRxhvAZXjc onI2AQDXa5XhIx0VpLWE9uVImVy3QuUKc/5pI1e1DKMgxLhKCgEAh15a4ETqmVaw Zp3ZSzoLD8Ez1WwWb6cWQuHFYRSjtwU= =+LKG -----END PGP SIGNATURE----- Merge tag 'vfs-6.12.procfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull procfs updates from Christian Brauner: "This contains the following changes for procfs: - Add config options and parameters to block forcing memory writes. This adds a Kconfig option and boot param to allow removing the FOLL_FORCE flag from /proc/<pid>/mem write calls as this can be used in various attacks. The traditional forcing behavior is kept as default because it can break GDB and some other use cases. This is the simpler version that you had requested. - Restrict overmounting of ephemeral entities. It is currently possible to mount on top of various ephemeral entities in procfs. This specifically includes magic links. To recap, magic links are links of the form /proc/<pid>/fd/<nr>. They serve as references to a target file and during path lookup they cause a jump to the target path. Such magic links disappear if the corresponding file descriptor is closed. Currently it is possible to overmount such magic links. This is mostly interesting for an attacker that wants to somehow trick a process into e.g., reopening something that it didn't intend to reopen or to hide a malicious file descriptor. But also it risks leaking mounts for long-running processes. When overmounting a magic link like above, the mount will not be detached when the file descriptor is closed. Only the target mountpoint will disappear. Which has the consequence of making it impossible to unmount that mount afterwards. So the mount will stick around until the process exits and the /proc/<pid>/ directory is cleaned up during proc_flush_pid() when the dentries are pruned and invalidated. That in turn means it's possible for a program to accidentally leak mounts and it's also possible to make a task leak mounts without it's knowledge if the attacker just keeps overmounting things under /proc/<pid>/fd/<nr>. Disallow overmounting of such ephemeral entities. - Cleanup the readdir method naming in some procfs file operations. - Replace kmalloc() and strcpy() with a simple kmemdup() call" * tag 'vfs-6.12.procfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: proc: fold kmalloc() + strcpy() into kmemdup() proc: block mounting on top of /proc/<pid>/fdinfo/* proc: block mounting on top of /proc/<pid>/fd/* proc: block mounting on top of /proc/<pid>/map_files/* proc: add proc_splice_unmountable() proc: proc_readfdinfo() -> proc_fdinfo_iterate() proc: proc_readfd() -> proc_fd_iterate() proc: add config & param to block forcing mem writes |
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Linus Torvalds
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ee25861f26 |
vfs-6.12.fallocate
-----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCZuQEwAAKCRCRxhvAZXjc omD7AQCZuWPXkEGYFD37MJZuRXNEoq7Tuj6yd0O2b5khUpzvyAD+MPuthGiCMPsu voPpUP83x7T0D3JsEsCAXtNeVRcIBQI= =xTs6 -----END PGP SIGNATURE----- Merge tag 'vfs-6.12.fallocate' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull vfs fallocate updates from Christian Brauner: "This contains work to try and cleanup some the fallocate mode handling. Currently, it confusingly mixes operation modes and an optional flag. The work here tries to better define operation modes and optional flags allowing the core and filesystem code to use switch statements to switch on the operation mode" * tag 'vfs-6.12.fallocate' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: xfs: refactor xfs_file_fallocate xfs: move the xfs_is_always_cow_inode check into xfs_alloc_file_space xfs: call xfs_flush_unmap_range from xfs_free_file_space fs: sort out the fallocate mode vs flag mess ext4: remove tracing for FALLOC_FL_NO_HIDE_STALE block: remove checks for FALLOC_FL_NO_HIDE_STALE |
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Linus Torvalds
|
3352633ce6 |
vfs-6.12.file
-----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCZuQEwAAKCRCRxhvAZXjc osS0AQCgIpvey9oW5DMyMw6Bv0hFMRv95gbNQZfHy09iK+NMNAD9GALhb/4cMIVB 7YrZGXEz454lpgcs8AnrOVjVNfctOQg= =e9s9 -----END PGP SIGNATURE----- Merge tag 'vfs-6.12.file' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull vfs file updates from Christian Brauner: "This is the work to cleanup and shrink struct file significantly. Right now, (focusing on x86) struct file is 232 bytes. After this series struct file will be 184 bytes aka 3 cacheline and a spare 8 bytes for future extensions at the end of the struct. With struct file being as ubiquitous as it is this should make a difference for file heavy workloads and allow further optimizations in the future. - struct fown_struct was embedded into struct file letting it take up 32 bytes in total when really it shouldn't even be embedded in struct file in the first place. Instead, actual users of struct fown_struct now allocate the struct on demand. This frees up 24 bytes. - Move struct file_ra_state into the union containg the cleanup hooks and move f_iocb_flags out of the union. This closes a 4 byte hole we created earlier and brings struct file to 192 bytes. Which means struct file is 3 cachelines and we managed to shrink it by 40 bytes. - Reorder struct file so that nothing crosses a cacheline. I suspect that in the future we will end up reordering some members to mitigate false sharing issues or just because someone does actually provide really good perf data. - Shrinking struct file to 192 bytes is only part of the work. Files use a slab that is SLAB_TYPESAFE_BY_RCU and when a kmem cache is created with SLAB_TYPESAFE_BY_RCU the free pointer must be located outside of the object because the cache doesn't know what part of the memory can safely be overwritten as it may be needed to prevent object recycling. That has the consequence that SLAB_TYPESAFE_BY_RCU may end up adding a new cacheline. So this also contains work to add a new kmem_cache_create_rcu() function that allows the caller to specify an offset where the freelist pointer is supposed to be placed. Thus avoiding the implicit addition of a fourth cacheline. - And finally this removes the f_version member in struct file. The f_version member isn't particularly well-defined. It is mainly used as a cookie to detect concurrent seeks when iterating directories. But it is also abused by some subsystems for completely unrelated things. It is mostly a directory and filesystem specific thing that doesn't really need to live in struct file and with its wonky semantics it really lacks a specific function. For pipes, f_version is (ab)used to defer poll notifications until a write has happened. And struct pipe_inode_info is used by multiple struct files in their ->private_data so there's no chance of pushing that down into file->private_data without introducing another pointer indirection. But pipes don't rely on f_pos_lock so this adds a union into struct file encompassing f_pos_lock and a pipe specific f_pipe member that pipes can use. This union of course can be extended to other file types and is similar to what we do in struct inode already" * tag 'vfs-6.12.file' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (26 commits) fs: remove f_version pipe: use f_pipe fs: add f_pipe ubifs: store cookie in private data ufs: store cookie in private data udf: store cookie in private data proc: store cookie in private data ocfs2: store cookie in private data input: remove f_version abuse ext4: store cookie in private data ext2: store cookie in private data affs: store cookie in private data fs: add generic_llseek_cookie() fs: use must_set_pos() fs: add must_set_pos() fs: add vfs_setpos_cookie() s390: remove unused f_version ceph: remove unused f_version adi: remove unused f_version mm: Removed @freeptr_offset to prevent doc warning ... |
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Linus Torvalds
|
2775df6e5e |
vfs-6.12.folio
-----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCZuQEvgAKCRCRxhvAZXjc ou77AQD3U1KjbdgzbUi6kaUmiiWOPhfYTlm8mho8dBjqvTCB+AD/XTWSFCWWhHB4 KyQZTbjRD81xmVNbKjASazp0EA6Ahwc= =gIsD -----END PGP SIGNATURE----- Merge tag 'vfs-6.12.folio' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs Pull vfs folio updates from Christian Brauner: "This contains work to port write_begin and write_end to rely on folios for various filesystems. This converts ocfs2, vboxfs, orangefs, jffs2, hostfs, fuse, f2fs, ecryptfs, ntfs3, nilfs2, reiserfs, minixfs, qnx6, sysv, ufs, and squashfs. After this series lands a bunch of the filesystems in this list do not mention struct page anymore" * tag 'vfs-6.12.folio' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs: (61 commits) Squashfs: Ensure all readahead pages have been used Squashfs: Rewrite and update squashfs_readahead_fragment() to not use page->index Squashfs: Update squashfs_readpage_block() to not use page->index Squashfs: Update squashfs_readahead() to not use page->index Squashfs: Update page_actor to not use page->index jffs2: Use a folio in jffs2_garbage_collect_dnode() jffs2: Convert jffs2_do_readpage_nolock to take a folio buffer: Convert __block_write_begin() to take a folio ocfs2: Convert ocfs2_write_zero_page to use a folio fs: Convert aops->write_begin to take a folio fs: Convert aops->write_end to take a folio vboxsf: Use a folio in vboxsf_write_end() orangefs: Convert orangefs_write_begin() to use a folio orangefs: Convert orangefs_write_end() to use a folio jffs2: Convert jffs2_write_begin() to use a folio jffs2: Convert jffs2_write_end() to use a folio hostfs: Convert hostfs_write_end() to use a folio fuse: Convert fuse_write_begin() to use a folio fuse: Convert fuse_write_end() to use a folio f2fs: Convert f2fs_write_begin() to use a folio ... |
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Linus Torvalds
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8f72c31f45 |
vfs-6.12.misc
-----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCZuQEGwAKCRCRxhvAZXjc ojIuAQC433+hBkvjvmQ7H0r5rgZSjUuCTG3bSmdU7RJmPHUHhwEA85v/NGq53f+W IhandK6t+Cf0JYpFZ3N0bT88hDYVhQQ= =9zGL -----END PGP SIGNATURE----- Merge tag 'vfs-6.12.misc' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs Pull misc vfs updates from Christian Brauner: "This contains the usual pile of misc updates: Features: - Add F_CREATED_QUERY fcntl() that allows userspace to query whether a file was actually created. Often userspace wants to know whether an O_CREATE request did actually create a file without using O_EXCL. The current logic is that to first attempts to open the file without O_CREAT | O_EXCL and if ENOENT is returned userspace tries again with both flags. If that succeeds all is well. If it now reports EEXIST it retries. That works fairly well but some corner cases make this more involved. If this operates on a dangling symlink the first openat() without O_CREAT | O_EXCL will return ENOENT but the second openat() with O_CREAT | O_EXCL will fail with EEXIST. The reason is that openat() without O_CREAT | O_EXCL follows the symlink while O_CREAT | O_EXCL doesn't for security reasons. So it's not something we can really change unless we add an explicit opt-in via O_FOLLOW which seems really ugly. All available workarounds are really nasty (fanotify, bpf lsm etc) so add a simple fcntl(). - Try an opportunistic lookup for O_CREAT. Today, when opening a file we'll typically do a fast lookup, but if O_CREAT is set, the kernel always takes the exclusive inode lock. This was likely done with the expectation that O_CREAT means that we always expect to do the create, but that's often not the case. Many programs set O_CREAT even in scenarios where the file already exists (see related F_CREATED_QUERY patch motivation above). The series contained in the pr rearranges the pathwalk-for-open code to also attempt a fast_lookup in certain O_CREAT cases. If a positive dentry is found, the inode_lock can be avoided altogether and it can stay in rcuwalk mode for the last step_into. - Expose the 64 bit mount id via name_to_handle_at() Now that we provide a unique 64-bit mount ID interface in statx(2), we can now provide a race-free way for name_to_handle_at(2) to provide a file handle and corresponding mount without needing to worry about racing with /proc/mountinfo parsing or having to open a file just to do statx(2). While this is not necessary if you are using AT_EMPTY_PATH and don't care about an extra statx(2) call, users that pass full paths into name_to_handle_at(2) need to know which mount the file handle comes from (to make sure they don't try to open_by_handle_at a file handle from a different filesystem) and switching to AT_EMPTY_PATH would require allocating a file for every name_to_handle_at(2) call - Add a per dentry expire timeout to autofs There are two fairly well known automounter map formats, the autofs format and the amd format (more or less System V and Berkley). Some time ago Linux autofs added an amd map format parser that implemented a fair amount of the amd functionality. This was done within the autofs infrastructure and some functionality wasn't implemented because it either didn't make sense or required extra kernel changes. The idea was to restrict changes to be within the existing autofs functionality as much as possible and leave changes with a wider scope to be considered later. One of these changes is implementing the amd options: 1) "unmount", expire this mount according to a timeout (same as the current autofs default). 2) "nounmount", don't expire this mount (same as setting the autofs timeout to 0 except only for this specific mount) . 3) "utimeout=<seconds>", expire this mount using the specified timeout (again same as setting the autofs timeout but only for this mount) To implement these options per-dentry expire timeouts need to be implemented for autofs indirect mounts. This is because all map keys (mounts) for autofs indirect mounts use an expire timeout stored in the autofs mount super block info. structure and all indirect mounts use the same expire timeout. Fixes: - Fix missing fput for FSCONFIG_SET_FD in autofs - Use param->file for FSCONFIG_SET_FD in coda - Delete the 'fs/netfs' proc subtreee when netfs module exits - Make sure that struct uid_gid_map fits into a single cacheline - Don't flush in-flight wb switches for superblocks without cgroup writeback - Correcting the idmapping mount example in the idmapping documentation - Fix a race between evice_inodes() and find_inode() and iput() - Refine the show_inode_state() macro definition in writeback code - Prevent dump_mapping() from accessing invalid dentry.d_name.name - Show actual source for debugfs in /proc/mounts - Annotate data-race of busy_poll_usecs in eventpoll - Don't WARN for racy path_noexec check in exec code - Handle OOM on mnt_warn_timestamp_expiry() - Fix some spelling in the iomap design documentation - Fix typo in procfs comment - Fix typo in fs/namespace.c comment Cleanups: - Add the VFS git tree to the MAINTAINERS file - Move FMODE_UNSIGNED_OFFSET to fop_flags freeing up another f_mode bit in struct file bringing us to 5 free f_mode bits - Remove the __I_DIO_WAKEUP bit from i_state flags as we can simplify the wait mechanism - Remove the unused path_put_init() helper - Replace a __u32 with u32 for s_fsnotify_mask as __u32 is uapi specific - Replace the unsigned long i_state member with a u32 i_state member in struct inode freeing up 4 bytes in struct inode. Instead of using the bit based wait apis we're now using the var event apis and using the individual bytes of the i_state member to wait on state changes - Explain how per-syscall AT_* flags should be allocated - Use in_group_or_capable() helper to simplify the posix acl mode update code - Switch to LIST_HEAD() in fsync_buffers_list() to simplify the code - Removed comment about d_rcu_to_refcount() as that function doesn't exist anymore - Add kernel documentation for lookup_fast() - Don't re-zero evenpoll fields - Remove outdated comment after close_fd() - Fix imprecise wording in comment about the pipe filesystem - Drop GFP_NOFAIL mode from alloc_page_buffers - Missing blank line warnings and struct declaration improved in file_table - Annotate struct poll_list with __counted_by() - Remove the unused read parameter in percpu-rwsem - Remove linux/prefetch.h include from direct-io code - Use kmemdup_array instead of kmemdup for multiple allocation in mnt_idmapping code - Remove unused mnt_cursor_del() declaration Performance tweaks: - Dodge smp_mb in break_lease and break_deleg in the common case - Only read fops once in fops_{get,put}() - Use RCU in ilookup() - Elide smp_mb in iversion handling in the common case - Drop one lock trip in evict()" * tag 'vfs-6.12.misc' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs: (58 commits) uidgid: make sure we fit into one cacheline proc: Fix typo in the comment fs/pipe: Correct imprecise wording in comment fhandle: expose u64 mount id to name_to_handle_at(2) uapi: explain how per-syscall AT_* flags should be allocated fs: drop GFP_NOFAIL mode from alloc_page_buffers writeback: Refine the show_inode_state() macro definition fs/inode: Prevent dump_mapping() accessing invalid dentry.d_name.name mnt_idmapping: Use kmemdup_array instead of kmemdup for multiple allocation netfs: Delete subtree of 'fs/netfs' when netfs module exits fs: use LIST_HEAD() to simplify code inode: make i_state a u32 inode: port __I_LRU_ISOLATING to var event vfs: fix race between evice_inodes() and find_inode()&iput() inode: port __I_NEW to var event inode: port __I_SYNC to var event fs: reorder i_state bits fs: add i_state helpers MAINTAINERS: add the VFS git tree fs: s/__u32/u32/ for s_fsnotify_mask ... |
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Linus Torvalds
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114143a595 |
arm64 updates for 6.12
ACPI: * Enable PMCG erratum workaround for HiSilicon HIP10 and 11 platforms. * Ensure arm64-specific IORT header is covered by MAINTAINERS. CPU Errata: * Enable workaround for hardware access/dirty issue on Ampere-1A cores. Memory management: * Define PHYSMEM_END to fix a crash in the amdgpu driver. * Avoid tripping over invalid kernel mappings on the kexec() path. * Userspace support for the Permission Overlay Extension (POE) using protection keys. Perf and PMUs: * Add support for the "fixed instruction counter" extension in the CPU PMU architecture. * Extend and fix the event encodings for Apple's M1 CPU PMU. * Allow LSM hooks to decide on SPE permissions for physical profiling. * Add support for the CMN S3 and NI-700 PMUs. Confidential Computing: * Add support for booting an arm64 kernel as a protected guest under Android's "Protected KVM" (pKVM) hypervisor. Selftests: * Fix vector length issues in the SVE/SME sigreturn tests * Fix build warning in the ptrace tests. Timers: * Add support for PR_{G,S}ET_TSC so that 'rr' can deal with non-determinism arising from the architected counter. Miscellaneous: * Rework our IPI-based CPU stopping code to try NMIs if regular IPIs don't succeed. * Minor fixes and cleanups. -----BEGIN PGP SIGNATURE----- iQFEBAABCgAuFiEEPxTL6PPUbjXGY88ct6xw3ITBYzQFAmbkVNEQHHdpbGxAa2Vy bmVsLm9yZwAKCRC3rHDchMFjNKeIB/9YtbN7JMgsXktM94GP03r3tlFF36Y1S51S +zdDZclAVZCTCZN+PaFeAZ/+ah2EQYrY6rtDoHUSEMQdF9kH+ycuIPDTwaJ4Qkam QKXMpAgtY/4yf2rX4lhDF8rEvkhLDsu7oGDhqUZQsA33GrMBHfgA3oqpYwlVjvGq gkm7olTo9LdWAxkPpnjGrjB6Mv5Dq8dJRhW+0Q5AntI5zx3RdYGJZA9GUSzyYCCt FIYOtMmWPkQ0kKxIVxOxAOm/ubhfyCs2sjSfkaa3vtvtt+Yjye1Xd81rFciIbPgP QlK/Mes2kBZmjhkeus8guLI5Vi7tx3DQMkNqLXkHAAzOoC4oConE =6osL -----END PGP SIGNATURE----- Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 updates from Will Deacon: "The highlights are support for Arm's "Permission Overlay Extension" using memory protection keys, support for running as a protected guest on Android as well as perf support for a bunch of new interconnect PMUs. Summary: ACPI: - Enable PMCG erratum workaround for HiSilicon HIP10 and 11 platforms. - Ensure arm64-specific IORT header is covered by MAINTAINERS. CPU Errata: - Enable workaround for hardware access/dirty issue on Ampere-1A cores. Memory management: - Define PHYSMEM_END to fix a crash in the amdgpu driver. - Avoid tripping over invalid kernel mappings on the kexec() path. - Userspace support for the Permission Overlay Extension (POE) using protection keys. Perf and PMUs: - Add support for the "fixed instruction counter" extension in the CPU PMU architecture. - Extend and fix the event encodings for Apple's M1 CPU PMU. - Allow LSM hooks to decide on SPE permissions for physical profiling. - Add support for the CMN S3 and NI-700 PMUs. Confidential Computing: - Add support for booting an arm64 kernel as a protected guest under Android's "Protected KVM" (pKVM) hypervisor. Selftests: - Fix vector length issues in the SVE/SME sigreturn tests - Fix build warning in the ptrace tests. Timers: - Add support for PR_{G,S}ET_TSC so that 'rr' can deal with non-determinism arising from the architected counter. Miscellaneous: - Rework our IPI-based CPU stopping code to try NMIs if regular IPIs don't succeed. - Minor fixes and cleanups" * tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (94 commits) perf: arm-ni: Fix an NULL vs IS_ERR() bug arm64: hibernate: Fix warning for cast from restricted gfp_t arm64: esr: Define ESR_ELx_EC_* constants as UL arm64: pkeys: remove redundant WARN perf: arm_pmuv3: Use BR_RETIRED for HW branch event if enabled MAINTAINERS: List Arm interconnect PMUs as supported perf: Add driver for Arm NI-700 interconnect PMU dt-bindings/perf: Add Arm NI-700 PMU perf/arm-cmn: Improve format attr printing perf/arm-cmn: Clean up unnecessary NUMA_NO_NODE check arm64/mm: use lm_alias() with addresses passed to memblock_free() mm: arm64: document why pte is not advanced in contpte_ptep_set_access_flags() arm64: Expose the end of the linear map in PHYSMEM_END arm64: trans_pgd: mark PTEs entries as valid to avoid dead kexec() arm64/mm: Delete __init region from memblock.reserved perf/arm-cmn: Support CMN S3 dt-bindings: perf: arm-cmn: Add CMN S3 perf/arm-cmn: Refactor DTC PMU register access perf/arm-cmn: Make cycle counts less surprising perf/arm-cmn: Improve build-time assertion ... |
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Hongbo Li
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21dcbc17eb |
smb: use LIST_HEAD() to simplify code
list_head can be initialized automatically with LIST_HEAD() instead of calling INIT_LIST_HEAD(). No functional impact. Signed-off-by: Hongbo Li <lihongbo22@huawei.com> Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Steve French <stfrench@microsoft.com> |
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Pali Rohár
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2ba0d8947e |
cifs: Recognize SFU socket type
SFU since its (first) version 3.0 supports AF_LOCAL sockets and stores them on filesytem as system file with one zero byte. Add support for detecting this SFU socket type into cifs_sfu_type() function. With this change cifs_sfu_type() would correctly detect all special file types created by SFU: fifo, socket, symlink, block and char. Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com> |
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Pali Rohár
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25f6bd0fb0 |
cifs: Show debug message when SFU Fifo type was detected
For debugging purposes it is a good idea to show detected SFU type also for Fifo. Debug message is already print for all other special types. Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com> |
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Pali Rohár
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bb68327053 |
cifs: Put explicit zero byte into SFU block/char types
SFU types IntxCHR and IntxBLK are 8 bytes with zero as last byte. Make it explicit in memcpy and memset calls, so the zero byte is visible in the code (and not hidden as string trailing nul byte). It is important for reader to show the last byte for block and char types because it differs from the last byte of symlink type (which has it 0x01). Also it is important to show that the type is not nul-term string, but rather 8 bytes (with some printable bytes). Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com> |
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Pali Rohár
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cf2ce67345 |
cifs: Add support for reading SFU symlink location
Currently when sfu mount option is specified then CIFS can recognize SFU symlink, but is not able to read symlink target location. readlink() syscall just returns that operation is not supported. Implement this missing functionality in cifs_sfu_type() function. Read target location of SFU-style symlink, parse it and fill into fattr's cf_symlink_target member. SFU-style symlink is file which has system attribute set and file content is buffer "IntxLNK\1" (8th byte is 0x01) followed by the target location encoded in little endian UCS-2/UTF-16. This format was introduced in Interix 3.0 subsystem, as part of the Microsoft SFU 3.0 and is used also by all later versions. Previous versions had no symlink support. Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com> |
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Pali Rohár
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89c601ab7c |
cifs: Fix recognizing SFU symlinks
SFU symlinks have 8 byte prefix: "IntxLNK\1". So check also the last 8th byte 0x01. Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com> |
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Qianqiang Liu
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9b4af91346 |
smb: client: compress: fix an "illegal accesses" issue
Using uninitialized value "bkt" when calling "kfree" Fixes: 13b68d44990d ("smb: client: compress: LZ77 code improvements cleanup") Signed-off-by: Qianqiang Liu <qianqiang.liu@163.com> Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Steve French <stfrench@microsoft.com> |
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Qianqiang Liu
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590efcd3c7 |
smb: client: compress: fix a potential issue of freeing an invalid pointer
The dst pointer may not be initialized when calling kvfree(dst) Fixes: 13b68d44990d9 ("smb: client: compress: LZ77 code improvements cleanup") Signed-off-by: Qianqiang Liu <qianqiang.liu@163.com> Signed-off-by: Steve French <stfrench@microsoft.com> |
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Enzo Matsumiya
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94ae8c3fee |
smb: client: compress: LZ77 code improvements cleanup
- Check data compressibility with some heuristics (copied from btrfs): - should_compress() final decision is is_compressible(data) - Cleanup compress/lz77.h leaving only lz77_compress() exposed: - Move parts to compress/lz77.c, while removing the rest of it because they were either unused, used only once, were implemented wrong (thanks to David Howells for the help) - Updated the compression parameters (still compatible with Windows implementation) trading off ~20% compression ratio for ~40% performance: - min match len: 3 -> 4 - max distance: 8KiB -> 1KiB - hash table type: u32 * -> u64 * Known bugs: This implementation currently works fine in general, but breaks with some payloads used during testing. Investigation ongoing, to be fixed in a next commit. Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de> Co-developed-by: David Howells <dhowells@redhat.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Steve French <stfrench@microsoft.com> |
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Enzo Matsumiya
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f046d71e84 |
smb: client: insert compression check/call on write requests
On smb2_async_writev(), set CIFS_COMPRESS_REQ on request flags if should_compress() returns true. On smb_send_rqst() check the flags, and compress and send the request to the server. (*) If the compression fails with -EMSGSIZE (i.e. compressed size is >= uncompressed size), the original uncompressed request is sent instead. Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de> Signed-off-by: Steve French <stfrench@microsoft.com> |
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Steve French
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d14bbfff25 |
smb3: mark compression as CONFIG_EXPERIMENTAL and fix missing compression operation
Move SMB3.1.1 compression code into experimental config option, and fix the compress mount option. Implement unchained LZ77 "plain" compression algorithm as per MS-XCA specification section "2.3 Plain LZ77 Compression Algorithm Details". Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de> Signed-off-by: Steve French <stfrench@microsoft.com> |
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Gaosheng Cui
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6795dab403 |
cifs: Remove obsoleted declaration for cifs_dir_open
The cifs_dir_open() have been removed since
commit
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Shen Lichuan
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25e68c37ca |
smb: client: Use min() macro
Use the min() macro to simplify the function and improve its readability. Signed-off-by: Shen Lichuan <shenlichuan@vivo.com> Signed-off-by: Steve French <stfrench@microsoft.com> |
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Yuesong Li
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9290038be2 |
cifs: convert to use ERR_CAST()
Use ERR_CAST() as it is designed for casting an error pointer to another type. This macro uses the __force and __must_check modifiers, which are used to tell the compiler to check for errors where this macro is used. Signed-off-by: Yuesong Li <liyuesong@vivo.com> Signed-off-by: Steve French <stfrench@microsoft.com> |
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ChenXiaoSong
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e2fcd3fa03 |
smb: add comment to STATUS_MCA_OCCURED
Explained why the typo was not corrected. Signed-off-by: ChenXiaoSong <chenxiaosong@kylinos.cn> Reviewed-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com> |
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ChenXiaoSong
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78181a5504 |
smb: move SMB2 Status code to common header file
There are only 4 different definitions between the client and server: - STATUS_SERVER_UNAVAILABLE: from client/smb2status.h - STATUS_FILE_NOT_AVAILABLE: from client/smb2status.h - STATUS_NO_PREAUTH_INTEGRITY_HASH_OVERLAP: from server/smbstatus.h - STATUS_INVALID_LOCK_RANGE: from server/smbstatus.h Rename client/smb2status.h to common/smb2status.h, and merge the 2 different definitions of server to common header file. Signed-off-by: ChenXiaoSong <chenxiaosong@kylinos.cn> Acked-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com> |