- 04 May, 2023 6 commits
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Namjae Jeon authored
Deadlock is triggered by sending multiple concurrent session setup requests. It should be reused after releasing when getting ctx for crypto. Multiple consecutive ctx uses cause deadlock while waiting for releasing due to the limited number of ctx. Cc: stable@vger.kernel.org Reported-by: zdi-disclosures@trendmicro.com # ZDI-CAN-20591 Signed-off-by:
Namjae Jeon <linkinjeon@kernel.org> Signed-off-by:
Steve French <stfrench@microsoft.com>
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Namjae Jeon authored
ksmbd make a delay of 5 seconds on session setup to avoid dictionary attacks. But the 5 seconds delay can be bypassed by using asynchronous requests. This patch block all requests on current connection when making a delay on sesstion setup failure. Cc: stable@vger.kernel.org Reported-by: zdi-disclosures@trendmicro.com # ZDI-CAN-20482 Signed-off-by:
Namjae Jeon <linkinjeon@kernel.org> Signed-off-by:
Steve French <stfrench@microsoft.com>
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Namjae Jeon authored
client can indefinitely send smb2 session setup requests with the SessionId set to 0, thus indefinitely spawning new sessions, and causing indefinite memory usage. This patch limit to the number of sessions using expired timeout and session state. Cc: stable@vger.kernel.org Reported-by: zdi-disclosures@trendmicro.com # ZDI-CAN-20478 Signed-off-by:
Namjae Jeon <linkinjeon@kernel.org> Signed-off-by:
Steve French <stfrench@microsoft.com>
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Namjae Jeon authored
This racy issue is triggered by sending concurrent session setup and logoff requests. This patch does not set connection status as KSMBD_SESS_GOOD if state is KSMBD_SESS_NEED_RECONNECT in session setup. And relookup session to validate if session is deleted in logoff. Cc: stable@vger.kernel.org Reported-by: zdi-disclosures@trendmicro.com # ZDI-CAN-20481, ZDI-CAN-20590, ZDI-CAN-20596 Signed-off-by:
Namjae Jeon <linkinjeon@kernel.org> Signed-off-by:
Steve French <stfrench@microsoft.com>
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Namjae Jeon authored
If share is , share->path is NULL and it cause NULL pointer dereference issue. Cc: stable@vger.kernel.org Reported-by: zdi-disclosures@trendmicro.com # ZDI-CAN-20479 Signed-off-by:
Namjae Jeon <linkinjeon@kernel.org> Signed-off-by:
Steve French <stfrench@microsoft.com>
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Namjae Jeon authored
If client send session setup request with unknown NTLMSSP message type, session that does not included channel can be created. It will cause session memleak. because ksmbd_sessions_deregister() does not destroy session if channel is not included. This patch return error response if client send the request unknown NTLMSSP message type. Cc: stable@vger.kernel.org Reported-by: zdi-disclosures@trendmicro.com # ZDI-CAN-20593 Signed-off-by:
Namjae Jeon <linkinjeon@kernel.org> Signed-off-by:
Steve French <stfrench@microsoft.com>
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- 29 Apr, 2023 12 commits
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git://git.samba.org/ksmbdLinus Torvalds authored
Pull ksmbd server updates from Steve French: - SMB3.1.1 negotiate context fixes and cleanup - new lock_rename_child VFS helper - ksmbd fix to avoid unlink race and to use the new VFS helper to avoid rename race * tag '6.4-rc-ksmbd-server-fixes' of git://git.samba.org/ksmbd: ksmbd: fix racy issue from using ->d_parent and ->d_name ksmbd: remove unused compression negotiate ctx packing ksmbd: avoid duplicate negotiate ctx offset increments ksmbd: set NegotiateContextCount once instead of every inc fs: introduce lock_rename_child() helper ksmbd: remove internal.h include
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git://git.kernel.org/pub/scm/linux/kernel/git/cel/linuxLinus Torvalds authored
Pull nfsd updates from Chuck Lever: "The big ticket item for this release is that support for RPC-with-TLS [RFC 9289] has been added to the Linux NFS server. The goal is to provide a simple-to-deploy, low-overhead in-transit confidentiality and peer authentication mechanism. It can supplement NFS Kerberos and it can protect the use of legacy non-cryptographic user authentication flavors such as AUTH_SYS. The TLS Record protocol is handled entirely by kTLS, meaning it can use either software encryption or offload encryption to smart NICs. Aside from that, work continues on improving NFSD's open file cache. Among the many clean-ups in that area is a patch to convert the rhashtable to use the list-hashing version of that data structure" * tag 'nfsd-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: (31 commits) NFSD: Handle new xprtsec= export option SUNRPC: Support TLS handshake in the server-side TCP socket code NFSD: Clean up xattr memory allocation flags NFSD: Fix problem of COMMIT and NFS4ERR_DELAY in infinite loop SUNRPC: Clear rq_xid when receiving a new RPC Call SUNRPC: Recognize control messages in server-side TCP socket code SUNRPC: Be even lazier about releasing pages SUNRPC: Convert svc_xprt_release() to the release_pages() API SUNRPC: Relocate svc_free_res_pages() nfsd: simplify the delayed disposal list code SUNRPC: Ignore return value of ->xpo_sendto SUNRPC: Ensure server-side sockets have a sock->file NFSD: Watch for rq_pages bounds checking errors in nfsd_splice_actor() sunrpc: simplify two-level sysctl registration for svcrdma_parm_table SUNRPC: return proper error from get_expiry() lockd: add some client-side tracepoints nfs: move nfs_fhandle_hash to common include file lockd: server should unlock lock if client rejects the grant lockd: fix races in client GRANTED_MSG wait logic lockd: move struct nlm_wait to lockd.h ...
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git://git.linux-nfs.org/projects/anna/linux-nfsLinus Torvalds authored
Pull NFS client updates from Anna Schumaker: "New Features: - Convert the readdir path to use folios - Convert the NFS fscache code to use netfs Bugfixes and Cleanups: - Always send a RECLAIM_COMPLETE after establishing a lease - Simplify sysctl registrations and other cleanups - Handle out-of-order write replies on NFS v3 - Have sunrpc call_bind_status use standard hard/soft task semantics - Other minor cleanups" * tag 'nfs-for-6.4-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: NFSv4.2: Rework scratch handling for READ_PLUS NFS: Cleanup unused rpc_clnt variable NFS: set varaiable nfs_netfs_debug_id storage-class-specifier to static SUNRPC: remove the maximum number of retries in call_bind_status NFS: Convert readdir page array functions to use a folio NFS: Convert the readdir array-of-pages into an array-of-folios NFSv3: handle out-of-order write replies. NFS: Remove fscache specific trace points and NFS_INO_FSCACHE bit NFS: Remove all NFSIOS_FSCACHE counters due to conversion to netfs API NFS: Convert buffered read paths to use netfs when fscache is enabled NFS: Configure support for netfs when NFS fscache is configured NFS: Rename readpage_async_filler to nfs_read_add_folio sunrpc: simplify one-level sysctl registration for debug_table sunrpc: move sunrpc_table and proc routines above sunrpc: simplify one-level sysctl registration for xs_tunables_table sunrpc: simplify one-level sysctl registration for xr_tunables_table nfs: simplify two-level sysctl registration for nfs_cb_sysctls nfs: simplify two-level sysctl registration for nfs4_cb_sysctls lockd: simplify two-level sysctl registration for nlm_sysctls NFSv4.1: Always send a RECLAIM_COMPLETE after establishing lease
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https://github.com/Paragon-Software-Group/linux-ntfs3Linus Torvalds authored
Pull ntfs3 updates from Konstantin Komarov: "New code: - add missed "nocase" in ntfs_show_options - extend information on failures/errors - small optimizations Fixes: - some logic errors - some dead code was removed - code is refactored and reformatted according to the new version of clang-format Code removal: - 'noacsrules' option. Currently, this option does not work properly, and its use leads to unstable results. If we figure out how to implement it without errors, we will add it later - writepage" * tag 'ntfs3_for_6.4' of https://github.com/Paragon-Software-Group/linux-ntfs3: (30 commits) fs/ntfs3: Fix root inode checking fs/ntfs3: Print details about mount fails fs/ntfs3: Add missed "nocase" in ntfs_show_options fs/ntfs3: Code formatting and refactoring fs/ntfs3: Changed ntfs_get_acl() to use dentry fs/ntfs3: Remove field sbi->used.bitmap.set_tail fs/ntfs3: Undo critial modificatins to keep directory consistency fs/ntfs3: Undo endian changes fs/ntfs3: Optimization in ntfs_set_state() fs/ntfs3: Fix ntfs_create_inode() fs/ntfs3: Remove noacsrules fs/ntfs3: Use bh_read to simplify code fs/ntfs3: Fix a possible null-pointer dereference in ni_clear() fs/ntfs3: Refactoring of various minor issues fs/ntfs3: Restore overflow checking for attr size in mi_enum_attr fs/ntfs3: Check for extremely large size of $AttrDef fs/ntfs3: Improved checking of attribute's name length fs/ntfs3: Add null pointer checks fs/ntfs3: fix spelling mistake "attibute" -> "attribute" fs/ntfs3: Add length check in indx_get_root ...
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git://git.kernel.org/pub/scm/fs/xfs/xfs-linuxLinus Torvalds authored
Pull xfs updates from Dave Chinner: "This consists mainly of online scrub functionality and the design documentation for the upcoming online repair functionality built on top of the scrub code: - Added detailed design documentation for the upcoming online repair feature - major update to online scrub to complete the reverse mapping cross-referencing infrastructure enabling us to fully validate allocated metadata against owner records. This is the last piece of scrub infrastructure needed before we can start merging online repair functionality. - Fixes for the ascii-ci hashing issues - deprecation of the ascii-ci functionality - on-disk format verification bug fixes - various random bug fixes for syzbot and other bug reports" * tag 'xfs-6.4-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (107 commits) xfs: fix livelock in delayed allocation at ENOSPC xfs: Extend table marker on deprecated mount options table xfs: fix duplicate includes xfs: fix BUG_ON in xfs_getbmap() xfs: verify buffer contents when we skip log replay xfs: _{attr,data}_map_shared should take ILOCK_EXCL until iread_extents is completely done xfs: remove WARN when dquot cache insertion fails xfs: don't consider future format versions valid xfs: deprecate the ascii-ci feature xfs: test the ascii case-insensitive hash xfs: stabilize the dirent name transformation function used for ascii-ci dir hash computation xfs: cross-reference rmap records with refcount btrees xfs: cross-reference rmap records with inode btrees xfs: cross-reference rmap records with free space btrees xfs: cross-reference rmap records with ag btrees xfs: introduce bitmap type for AG blocks xfs: convert xbitmap to interval tree xfs: drop the _safe behavior from the xbitmap foreach macro xfs: don't load local xattr values during scrub xfs: remove the for_each_xbitmap_ helpers ...
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git://git.kernel.org/pub/scm/fs/xfs/xfs-linuxLinus Torvalds authored
Pull iomap updates from Darrick Wong: "The only changes for this cycle are the addition of tracepoints to the iomap directio code so that Ritesh (who is working on porting ext2 to iomap) can observe the io flows more easily. Summary: - Remove an unused symbol - Add tracepoints for the directio code" * tag 'iomap-6.4-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: iomap: Add DIO tracepoints iomap: Remove IOMAP_DIO_NOSYNC unused dio flag fs.h: Add TRACE_IOCB_STRINGS for use in trace points
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git://git.infradead.org/users/hch/dma-mappingLinus Torvalds authored
Pull dma-mapping updates from Christoph Hellwig: - fix a PageHighMem check in dma-coherent initialization (Doug Berger) - clean up the coherency defaul initialiation (Jiaxun Yang) - add cacheline to user/kernel dma-debug space dump messages (Desnes Nunes, Geert Uytterhoeve) - swiotlb statistics improvements (Michael Kelley) - misc cleanups (Petr Tesarik) * tag 'dma-mapping-6.4-2023-04-28' of git://git.infradead.org/users/hch/dma-mapping: swiotlb: Omit total_used and used_hiwater if !CONFIG_DEBUG_FS swiotlb: track and report io_tlb_used high water marks in debugfs swiotlb: fix debugfs reporting of reserved memory pools swiotlb: relocate PageHighMem test away from rmem_swiotlb_setup of: address: always use dma_default_coherent for default coherency dma-mapping: provide CONFIG_ARCH_DMA_DEFAULT_COHERENT dma-mapping: provide a fallback dma_default_coherent dma-debug: Use %pa to format phys_addr_t dma-debug: add cacheline to user/kernel space dump messages dma-debug: small dma_debug_entry's comment and variable name updates dma-direct: cleanup parameters to dma_direct_optimal_gfp_mask
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull more timer updates from Thomas Gleixner: "Timekeeping and clocksource/event driver updates the second batch: - A trivial documentation fix in the timekeeping core - A really boring set of small fixes, enhancements and cleanups in the drivers code. No new clocksource/clockevent drivers for a change" * tag 'timers-core-2023-04-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: timekeeping: Fix references to nonexistent ktime_get_fast_ns() dt-bindings: timer: rockchip: Add rk3588 compatible dt-bindings: timer: rockchip: Drop superfluous rk3288 compatible clocksource/drivers/ti: Use of_property_read_bool() for boolean properties clocksource/drivers/timer-ti-dm: Fix finding alwon timer clocksource/drivers/davinci: Fix memory leak in davinci_timer_register when init fails clocksource/drivers/stm32-lp: Drop of_match_ptr for ID table clocksource/drivers/timer-ti-dm: Convert to platform remove callback returning void clocksource/drivers/timer-tegra186: Convert to platform remove callback returning void clocksource/drivers/timer-ti-dm: Improve error message in .remove clocksource/drivers/timer-stm32-lp: Mark driver as non-removable clocksource/drivers/sh_mtu2: Mark driver as non-removable clocksource/drivers/timer-ti-dm: Use of_address_to_resource() clocksource/drivers/timer-imx-gpt: Remove non-DT function clocksource/drivers/timer-mediatek: Split out CPUXGPT timers clocksource/drivers/exynos_mct: Explicitly return 0 for shared timer
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git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsmLinus Torvalds authored
Pull lsm fix from Paul Moore: "A single Documentation/LSM fix to update the LSM hook documentation references from lsm_hooks.h to security.c" * tag 'lsm-pr-20230428' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm: lsm: move hook comments docs to security/security.c
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git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrityLinus Torvalds authored
Pull integrity update from Mimi Zohar: "Just one one bug fix. Other integrity changes are being upstreamed via the tpm and lsm trees" * tag 'integrity-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity: IMA: allow/fix UML builds
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroupLinus Torvalds authored
Pull cgroup updates from Tejun Heo: - cpuset changes including the fix for an incorrect interaction with CPU hotplug and an optimization - Other doc and cosmetic changes * tag 'cgroup-for-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: docs: cgroup-v1/cpusets: update libcgroup project link cgroup/cpuset: Minor updates to test_cpuset_prs.sh cgroup/cpuset: Include offline CPUs when tasks' cpumasks in top_cpuset are updated cgroup/cpuset: Skip task update if hotplug doesn't affect current cpuset cpuset: Clean up cpuset_node_allowed cgroup: bpf: use cgroup_lock()/cgroup_unlock() wrappers
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/wqLinus Torvalds authored
Pull workqueue updates from Tejun Heo: "Mostly changes from Petr to improve warning and error reporting. Workqueue now reports more of the relevant failures with better context which should help debugging" * tag 'wq-for-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: workqueue: Introduce show_freezable_workqueues workqueue: Print backtraces from CPUs with hung CPU bound workqueues workqueue: Warn when a rescuer could not be created workqueue: Interrupted create_worker() is not a repeated event workqueue: Warn when a new worker could not be created workqueue: Fix hung time report of worker pools workqueue: Simplify a pr_warn() call in wq_select_unbound_cpu() MAINTAINERS: Add workqueue_internal.h to the WORKQUEUE entry
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- 28 Apr, 2023 22 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linuxLinus Torvalds authored
Pull RISC-V updates from Palmer Dabbelt: - Support for runtime detection of the Svnapot extension - Support for Zicboz when clearing pages - We've moved to GENERIC_ENTRY - Support for !MMU on rv32 systems - The linear region is now mapped via huge pages - Support for building relocatable kernels - Support for the hwprobe interface - Various fixes and cleanups throughout the tree * tag 'riscv-for-linus-6.4-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (57 commits) RISC-V: hwprobe: Explicity check for -1 in vdso init RISC-V: hwprobe: There can only be one first riscv: Allow to downgrade paging mode from the command line dt-bindings: riscv: add sv57 mmu-type RISC-V: hwprobe: Remove __init on probe_vendor_features() riscv: Use --emit-relocs in order to move .rela.dyn in init riscv: Check relocations at compile time powerpc: Move script to check relocations at compile time in scripts/ riscv: Introduce CONFIG_RELOCATABLE riscv: Move .rela.dyn outside of init to avoid empty relocations riscv: Prepare EFI header for relocatable kernels riscv: Unconditionnally select KASAN_VMALLOC if KASAN riscv: Fix ptdump when KASAN is enabled riscv: Fix EFI stub usage of KASAN instrumented strcmp function riscv: Move DTB_EARLY_BASE_VA to the kernel address space riscv: Rework kasan population functions riscv: Split early and final KASAN population functions riscv: Use PUD/P4D/PGD pages for the linear mapping riscv: Move the linear mapping creation in its own function riscv: Get rid of riscv_pfn_base variable ...
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git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommuLinus Torvalds authored
Pull m68knommu updates from Greg Ungerer: "A couple of minor changes. One to remove the long dead uclinux.org web address and email list from the MAINTAINERS entry for UCLINUX. The other to remove dead config options in the m68knommu Kconfig" * tag 'm68knommu-for-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: m68k: Kconfig.machine: remove obsolete configs ROMBASE and ROMSIZE MAINTAINERS: drop uclinux.org
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linuxLinus Torvalds authored
Pull powerpc updates from Michael Ellerman: - Add support for building the kernel using PC-relative addressing on Power10. - Allow HV KVM guests on Power10 to use prefixed instructions. - Unify support for the P2020 CPU (85xx) into a single machine description. - Always build the 64-bit kernel with 128-bit long double. - Drop support for several obsolete 2000's era development boards as identified by Paul Gortmaker. - A series fixing VFIO on Power since some generic changes. - Various other small features and fixes. Thanks to Alexey Kardashevskiy, Andrew Donnellan, Benjamin Gray, Bo Liu, Christophe Leroy, Dan Carpenter, David Binderman, Ira Weiny, Joel Stanley, Kajol Jain, Kautuk Consul, Liang He, Luis Chamberlain, Masahiro Yamada, Michael Neuling, Nathan Chancellor, Nathan Lynch, Nicholas Miehlbradt, Nicholas Piggin, Nick Desaulniers, Nysal Jan K.A, Pali Rohár, Paul Gortmaker, Paul Mackerras, Petr Vaněk, Randy Dunlap, Rob Herring, Sachin Sant, Sean Christopherson, Segher Boessenkool, and Timothy Pearson. * tag 'powerpc-6.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (156 commits) powerpc/64s: Disable pcrel code model on Clang powerpc: Fix merge conflict between pcrel and copy_thread changes powerpc/configs/powernv: Add IGB=y powerpc/configs/64s: Drop JFS Filesystem powerpc/configs/64s: Use EXT4 to mount EXT2 filesystems powerpc/configs: Make pseries_defconfig an alias for ppc64le_guest powerpc/configs: Make pseries_le an alias for ppc64le_guest powerpc/configs: Incorporate generic kvm_guest.config into guest configs powerpc/configs: Add IBMVETH=y and IBMVNIC=y to guest configs powerpc/configs/64s: Enable Device Mapper options powerpc/configs/64s: Enable PSTORE powerpc/configs/64s: Enable VLAN support powerpc/configs/64s: Enable BLK_DEV_NVME powerpc/configs/64s: Drop REISERFS powerpc/configs/64s: Use SHA512 for module signatures powerpc/configs/64s: Enable IO_STRICT_DEVMEM powerpc/configs/64s: Enable SCHEDSTATS powerpc/configs/64s: Enable DEBUG_VM & other options powerpc/configs/64s: Enable EMULATED_STATS powerpc/configs/64s: Enable KUNIT and most tests ...
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-traceLinus Torvalds authored
Pull tracing tools updates from Steven Rostedt: - Add auto-analysis only option to rtla/timerlat Add an --aa-only option to the tooling to perform only the auto analysis and not to parse and format the data. - Other minor fixes and clean ups * tag 'trace-tools-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: rtla/timerlat: Fix "Previous IRQ" auto analysis' line rtla/timerlat: Add auto-analysis only option rv: Remove redundant assignment to variable retval rv: Fix addition on an uninitialized variable 'run' rtla: Add .gitignore file
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-traceLinus Torvalds authored
Pull tracing updates from Steven Rostedt: - User events are finally ready! After lots of collaboration between various parties, we finally locked down on a stable interface for user events that can also work with user space only tracing. This is implemented by telling the kernel (or user space library, but that part is user space only and not part of this patch set), where the variable is that the application uses to know if something is listening to the trace. There's also an interface to tell the kernel about these events, which will show up in the /sys/kernel/tracing/events/user_events/ directory, where it can be enabled. When it's enabled, the kernel will update the variable, to tell the application to start writing to the kernel. See https://lwn.net/Articles/927595/ - Cleaned up the direct trampolines code to simplify arm64 addition of direct trampolines. Direct trampolines use the ftrace interface but instead of jumping to the ftrace trampoline, applications (mostly BPF) can register their own trampoline for performance reasons. - Some updates to the fprobe infrastructure. fprobes are more efficient than kprobes, as it does not need to save all the registers that kprobes on ftrace do. More work needs to be done before the fprobes will be exposed as dynamic events. - More updates to references to the obsolete path of /sys/kernel/debug/tracing for the new /sys/kernel/tracing path. - Add a seq_buf_do_printk() helper to seq_bufs, to print a large buffer line by line instead of all at once. There are users in production kernels that have a large data dump that originally used printk() directly, but the data dump was larger than what printk() allowed as a single print. Using seq_buf() to do the printing fixes that. - Add /sys/kernel/tracing/touched_functions that shows all functions that was every traced by ftrace or a direct trampoline. This is used for debugging issues where a traced function could have caused a crash by a bpf program or live patching. - Add a "fields" option that is similar to "raw" but outputs the fields of the events. It's easier to read by humans. - Some minor fixes and clean ups. * tag 'trace-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (41 commits) ring-buffer: Sync IRQ works before buffer destruction tracing: Add missing spaces in trace_print_hex_seq() ring-buffer: Ensure proper resetting of atomic variables in ring_buffer_reset_online_cpus recordmcount: Fix memory leaks in the uwrite function tracing/user_events: Limit max fault-in attempts tracing/user_events: Prevent same address and bit per process tracing/user_events: Ensure bit is cleared on unregister tracing/user_events: Ensure write index cannot be negative seq_buf: Add seq_buf_do_printk() helper tracing: Fix print_fields() for __dyn_loc/__rel_loc tracing/user_events: Set event filter_type from type ring-buffer: Clearly check null ptr returned by rb_set_head_page() tracing: Unbreak user events tracing/user_events: Use print_format_fields() for trace output tracing/user_events: Align structs with tabs for readability tracing/user_events: Limit global user_event count tracing/user_events: Charge event allocs to cgroups tracing/user_events: Update documentation for ABI tracing/user_events: Use write ABI in example tracing/user_events: Add ABI self-test ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull SMP cross-CPU function-call updates from Ingo Molnar: - Remove diagnostics and adjust config for CSD lock diagnostics - Add a generic IPI-sending tracepoint, as currently there's no easy way to instrument IPI origins: it's arch dependent and for some major architectures it's not even consistently available. * tag 'smp-core-2023-04-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: trace,smp: Trace all smp_function_call*() invocations trace: Add trace_ipi_send_cpu() sched, smp: Trace smp callback causing an IPI smp: reword smp call IPI comment treewide: Trace IPIs sent via smp_send_reschedule() irq_work: Trace self-IPIs sent via arch_irq_work_raise() smp: Trace IPIs sent via arch_send_call_function_ipi_mask() sched, smp: Trace IPIs sent via send_call_function_single_ipi() trace: Add trace_ipi_send_cpumask() kernel/smp: Make csdlock_debug= resettable locking/csd_lock: Remove per-CPU data indirection from CSD lock debugging locking/csd_lock: Remove added data from CSD lock debugging locking/csd_lock: Add Kconfig option for csd_debug default
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull scheduler updates from Ingo Molnar: - Allow unprivileged PSI poll()ing - Fix performance regression introduced by mm_cid - Improve livepatch stalls by adding livepatch task switching to cond_resched(). This resolves livepatching busy-loop stalls with certain CPU-bound kthreads - Improve sched_move_task() performance on autogroup configs - On core-scheduling CPUs, avoid selecting throttled tasks to run - Misc cleanups, fixes and improvements * tag 'sched-core-2023-04-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/clock: Fix local_clock() before sched_clock_init() sched/rt: Fix bad task migration for rt tasks sched: Fix performance regression introduced by mm_cid sched/core: Make sched_dynamic_mutex static sched/psi: Allow unprivileged polling of N*2s period sched/psi: Extract update_triggers side effect sched/psi: Rename existing poll members in preparation sched/psi: Rearrange polling code in preparation sched/fair: Fix inaccurate tally of ttwu_move_affine vhost: Fix livepatch timeouts in vhost_worker() livepatch,sched: Add livepatch task switching to cond_resched() livepatch: Skip task_call_func() for current task livepatch: Convert stack entries array to percpu sched: Interleave cfs bandwidth timers for improved single thread performance at low utilization sched/core: Reduce cost of sched_move_task when config autogroup sched/core: Avoid selecting the task that is throttled to run when core-sched enable sched/topology: Make sched_energy_mutex,update static
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull perf updates from Ingo Molnar: - Add Intel Granite Rapids support - Add uncore events for Intel SPR IMC PMU - Fix perf IRQ throttling bug * tag 'perf-core-2023-04-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86/intel/uncore: Add events for Intel SPR IMC PMU perf/core: Fix hardlockup failure caused by perf throttle perf/x86/cstate: Add Granite Rapids support perf/x86/msr: Add Granite Rapids perf/x86/intel: Add Granite Rapids
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull objtool updates from Ingo Molnar: - Mark arch_cpu_idle_dead() __noreturn, make all architectures & drivers that did this inconsistently follow this new, common convention, and fix all the fallout that objtool can now detect statically - Fix/improve the ORC unwinder becoming unreliable due to UNWIND_HINT_EMPTY ambiguity, split it into UNWIND_HINT_END_OF_STACK and UNWIND_HINT_UNDEFINED to resolve it - Fix noinstr violations in the KCSAN code and the lkdtm/stackleak code - Generate ORC data for __pfx code - Add more __noreturn annotations to various kernel startup/shutdown and panic functions - Misc improvements & fixes * tag 'objtool-core-2023-04-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (52 commits) x86/hyperv: Mark hv_ghcb_terminate() as noreturn scsi: message: fusion: Mark mpt_halt_firmware() __noreturn x86/cpu: Mark {hlt,resume}_play_dead() __noreturn btrfs: Mark btrfs_assertfail() __noreturn objtool: Include weak functions in global_noreturns check cpu: Mark nmi_panic_self_stop() __noreturn cpu: Mark panic_smp_self_stop() __noreturn arm64/cpu: Mark cpu_park_loop() and friends __noreturn x86/head: Mark *_start_kernel() __noreturn init: Mark start_kernel() __noreturn init: Mark [arch_call_]rest_init() __noreturn objtool: Generate ORC data for __pfx code x86/linkage: Fix padding for typed functions objtool: Separate prefix code from stack validation code objtool: Remove superfluous dead_end_function() check objtool: Add symbol iteration helpers objtool: Add WARN_INSN() scripts/objdump-func: Support multiple functions context_tracking: Fix KCSAN noinstr violation objtool: Add stackleak instrumentation to uaccess safe list ...
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Anna Schumaker authored
Instead of using a tiny, static scratch buffer, we should use a kmalloc()-ed buffer that is allocated when checking for read plus usage. This lets us use the buffer before decoding any part of the READ_PLUS operation instead of setting it right before segment decoding, meaning it should be a little more robust. Signed-off-by:
Anna Schumaker <Anna.Schumaker@Netapp.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 LAM (Linear Address Masking) support from Dave Hansen: "Add support for the new Linear Address Masking CPU feature. This is similar to ARM's Top Byte Ignore and allows userspace to store metadata in some bits of pointers without masking it out before use" * tag 'x86_mm_for_6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mm/iommu/sva: Do not allow to set FORCE_TAGGED_SVA bit from outside x86/mm/iommu/sva: Fix error code for LAM enabling failure due to SVA selftests/x86/lam: Add test cases for LAM vs thread creation selftests/x86/lam: Add ARCH_FORCE_TAGGED_SVA test cases for linear-address masking selftests/x86/lam: Add inherit test cases for linear-address masking selftests/x86/lam: Add io_uring test cases for linear-address masking selftests/x86/lam: Add mmap and SYSCALL test cases for linear-address masking selftests/x86/lam: Add malloc and tag-bits test cases for linear-address masking x86/mm/iommu/sva: Make LAM and SVA mutually exclusive iommu/sva: Replace pasid_valid() helper with mm_valid_pasid() mm: Expose untagging mask in /proc/$PID/status x86/mm: Provide arch_prctl() interface for LAM x86/mm: Reduce untagged_addr() overhead for systems without LAM x86/uaccess: Provide untagged_addr() and remove tags before address check mm: Introduce untagged_addr_remote() x86/mm: Handle LAM on context switch x86: CPUID and CR3/CR4 flags for Linear Address Masking x86: Allow atomic MM_CONTEXT flags setting x86/mm: Rework address range check in get_user() and put_user()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 tdx update from Dave Hansen: "The original tdx hypercall assembly code took two flags in %RSI to tweak its behavior at runtime. PeterZ recently axed one flag in commit e80a48ba ("x86/tdx: Remove TDX_HCALL_ISSUE_STI"). Kill the other flag too and tweak the 'output' mode with an assembly macro instead. This results in elimination of one push/pop pair and overall easier to read assembly. - Do conditional __tdx_hypercall() 'output' processing via an assembly macro argument rather than a runtime register" * tag 'x86_tdx_for_6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/tdx: Drop flags from __tdx_hypercall()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 fpu updates from Dave Hansen: "There's no _actual_ kernel functionality here. This expands the documentation around AMX support including some code examples. The example code also exposed the fact that hardware architecture constants as part of the ABI, but there's no easy place that they get defined for apps. Adding them to a uabi header will eventually make life easier for consumers of the ABI. Summary: - Improve AMX documentation along with example code - Explicitly make some hardware constants part of the uabi" * tag 'x86_fpu_for_6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: Documentation/x86: Explain the state component permission for guests Documentation/x86: Add the AMX enabling example x86/arch_prctl: Add AMX feature numbers as ABI constants Documentation/x86: Explain the purpose for dynamic features
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 resctrl update from Dave Hansen: "Reduce redundant counter reads with resctrl refactoring" * tag 'x86_cache_for_6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/resctrl: Avoid redundant counter read in __mon_event_count()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 cleanups from Borislav Petkov: - Unify duplicated __pa() and __va() definitions - Simplify sysctl tables registration - Remove unused symbols - Correct function name in comment * tag 'x86_cleanups_for_v6.4_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/boot: Centralize __pa()/__va() definitions x86: Simplify one-level sysctl registration for itmt_kern_table x86: Simplify one-level sysctl registration for abi_table2 x86/platform/intel-mid: Remove unused definitions from intel-mid.h x86/uaccess: Remove memcpy_page_flushcache() x86/entry: Change stale function name in comment to error_return()
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Randy Dunlap authored
Fix one kernel-doc warning, but invesigating that led to other kernel-doc movement (lsm_hooks.h to security.c) that needs to be fixed also. include/linux/lsm_hooks.h:1: warning: no structured comments found Fixes: e261301c ("lsm: move the remaining LSM hook comments to security/security.c") Fixes: 1cd2aca6 ("lsm: move the io_uring hook comments to security/security.c") Fixes: 452b670c ("lsm: move the perf hook comments to security/security.c") Fixes: 55e85320 ("lsm: move the bpf hook comments to security/security.c") Fixes: b14faf9c ("lsm: move the audit hook comments to security/security.c") Fixes: 1427ddbe ("lsm: move the binder hook comments to security/security.c") Fixes: 43fad282 ("lsm: move the sysv hook comments to security/security.c") Fixes: ecc419a4 ("lsm: move the key hook comments to security/security.c") Fixes: 742b9945 ("lsm: move the xfrm hook comments to security/security.c") Fixes: ac318aed ("lsm: move the Infiniband hook comments to security/security.c") Fixes: 4a49f592 ("lsm: move the SCTP hook comments to security/security.c") Fixes: 6b6bbe8c ("lsm: move the socket hook comments to security/security.c") Fixes: 2c2442fd ("lsm: move the AF_UNIX hook comments to security/security.c") Fixes: 2bcf51bf ("lsm: move the netlink hook comments to security/security.c") Fixes: 130c53bf ("lsm: move the task hook comments to security/security.c") Fixes: a0fd6480 ("lsm: move the file hook comments to security/security.c") Fixes: 9348944b ("lsm: move the kernfs hook comments to security/security.c") Fixes: 916e3258 ("lsm: move the inode hook comments to security/security.c") Fixes: 08526a90 ("lsm: move the filesystem hook comments to security/security.c") Fixes: 36819f18 ("lsm: move the fs_context hook comments to security/security.c") Fixes: 1661372c ("lsm: move the program execution hook comments to security/security.c") Signed-off-by:
Randy Dunlap <rdunlap@infradead.org> Cc: Paul Moore <paul@paul-moore.com> Cc: James Morris <jmorris@namei.org> Cc: "Serge E. Hallyn" <serge@hallyn.com> Cc: linux-security-module@vger.kernel.org Cc: Jonathan Corbet <corbet@lwn.net> Cc: linux-doc@vger.kernel.org Cc: KP Singh <kpsingh@kernel.org> Cc: bpf@vger.kernel.org Signed-off-by:
Paul Moore <paul@paul-moore.com>
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Linus Torvalds authored
Merge tag 'mm-nonmm-stable-2023-04-27-16-01' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull non-MM updates from Andrew Morton: "Mainly singleton patches all over the place. Series of note are: - updates to scripts/gdb from Glenn Washburn - kexec cleanups from Bjorn Helgaas" * tag 'mm-nonmm-stable-2023-04-27-16-01' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (50 commits) mailmap: add entries for Paul Mackerras libgcc: add forward declarations for generic library routines mailmap: add entry for Oleksandr ocfs2: reduce ioctl stack usage fs/proc: add Kthread flag to /proc/$pid/status ia64: fix an addr to taddr in huge_pte_offset() checkpatch: introduce proper bindings license check epoll: rename global epmutex scripts/gdb: add GDB convenience functions $lx_dentry_name() and $lx_i_dentry() scripts/gdb: create linux/vfs.py for VFS related GDB helpers uapi/linux/const.h: prefer ISO-friendly __typeof__ delayacct: track delays from IRQ/SOFTIRQ scripts/gdb: timerlist: convert int chunks to str scripts/gdb: print interrupts scripts/gdb: raise error with reduced debugging information scripts/gdb: add a Radix Tree Parser lib/rbtree: use '+' instead of '|' for setting color. proc/stat: remove arch_idle_time() checkpatch: check for misuse of the link tags checkpatch: allow Closes tags with links ...
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mmLinus Torvalds authored
Pull MM updates from Andrew Morton: - Nick Piggin's "shoot lazy tlbs" series, to improve the peformance of switching from a user process to a kernel thread. - More folio conversions from Kefeng Wang, Zhang Peng and Pankaj Raghav. - zsmalloc performance improvements from Sergey Senozhatsky. - Yue Zhao has found and fixed some data race issues around the alteration of memcg userspace tunables. - VFS rationalizations from Christoph Hellwig: - removal of most of the callers of write_one_page() - make __filemap_get_folio()'s return value more useful - Luis Chamberlain has changed tmpfs so it no longer requires swap backing. Use `mount -o noswap'. - Qi Zheng has made the slab shrinkers operate locklessly, providing some scalability benefits. - Keith Busch has improved dmapool's performance, making part of its operations O(1) rather than O(n). - Peter Xu adds the UFFD_FEATURE_WP_UNPOPULATED feature to userfaultd, permitting userspace to wr-protect anon memory unpopulated ptes. - Kirill Shutemov has changed MAX_ORDER's meaning to be inclusive rather than exclusive, and has fixed a bunch of errors which were caused by its unintuitive meaning. - Axel Rasmussen give userfaultfd the UFFDIO_CONTINUE_MODE_WP feature, which causes minor faults to install a write-protected pte. - Vlastimil Babka has done some maintenance work on vma_merge(): cleanups to the kernel code and improvements to our userspace test harness. - Cleanups to do_fault_around() by Lorenzo Stoakes. - Mike Rapoport has moved a lot of initialization code out of various mm/ files and into mm/mm_init.c. - Lorenzo Stoakes removd vmf_insert_mixed_prot(), which was added for DRM, but DRM doesn't use it any more. - Lorenzo has also coverted read_kcore() and vread() to use iterators and has thereby removed the use of bounce buffers in some cases. - Lorenzo has also contributed further cleanups of vma_merge(). - Chaitanya Prakash provides some fixes to the mmap selftesting code. - Matthew Wilcox changes xfs and afs so they no longer take sleeping locks in ->map_page(), a step towards RCUification of pagefaults. - Suren Baghdasaryan has improved mmap_lock scalability by switching to per-VMA locking. - Frederic Weisbecker has reworked the percpu cache draining so that it no longer causes latency glitches on cpu isolated workloads. - Mike Rapoport cleans up and corrects the ARCH_FORCE_MAX_ORDER Kconfig logic. - Liu Shixin has changed zswap's initialization so we no longer waste a chunk of memory if zswap is not being used. - Yosry Ahmed has improved the performance of memcg statistics flushing. - David Stevens has fixed several issues involving khugepaged, userfaultfd and shmem. - Christoph Hellwig has provided some cleanup work to zram's IO-related code paths. - David Hildenbrand has fixed up some issues in the selftest code's testing of our pte state changing. - Pankaj Raghav has made page_endio() unneeded and has removed it. - Peter Xu contributed some rationalizations of the userfaultfd selftests. - Yosry Ahmed has fixed an issue around memcg's page recalim accounting. - Chaitanya Prakash has fixed some arm-related issues in the selftests/mm code. - Longlong Xia has improved the way in which KSM handles hwpoisoned pages. - Peter Xu fixes a few issues with uffd-wp at fork() time. - Stefan Roesch has changed KSM so that it may now be used on a per-process and per-cgroup basis. * tag 'mm-stable-2023-04-27-15-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (369 commits) mm,unmap: avoid flushing TLB in batch if PTE is inaccessible shmem: restrict noswap option to initial user namespace mm/khugepaged: fix conflicting mods to collapse_file() sparse: remove unnecessary 0 values from rc mm: move 'mmap_min_addr' logic from callers into vm_unmapped_area() hugetlb: pte_alloc_huge() to replace huge pte_alloc_map() maple_tree: fix allocation in mas_sparse_area() mm: do not increment pgfault stats when page fault handler retries zsmalloc: allow only one active pool compaction context selftests/mm: add new selftests for KSM mm: add new KSM process and sysfs knobs mm: add new api to enable ksm per process mm: shrinkers: fix debugfs file permissions mm: don't check VMA write permissions if the PTE/PMD indicates write permissions migrate_pages_batch: fix statistics for longterm pin retry userfaultfd: use helper function range_in_vma() lib/show_mem.c: use for_each_populated_zone() simplify code mm: correct arg in reclaim_pages()/reclaim_clean_pages_from_list() fs/buffer: convert create_page_buffers to folio_create_buffers fs/buffer: add folio_create_empty_buffers helper ...
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git://git.kernel.org/pub/scm/linux/kernel/git/mips/linuxLinus Torvalds authored
Pull MIPS updates from Thomas Bogendoerfer: - added support for Huawei B593u-12 - added support for virt board aligned to QEMU MIPS virt board - added support for doing DMA coherence on a per device base - reworked handling of RALINK SoCs - cleanup for Loongon64 barriers - removed deprecated support for MIPS_CMP SMP handling method - removed support Sibyte CARMEL and CHRINE boards - cleanups and fixes * tag 'mips_6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (59 commits) MIPS: uprobes: Restore thread.trap_nr MIPS: Don't clear _PAGE_SPECIAL in _PAGE_CHG_MASK MIPS: Sink body of check_bugs_early() into its only call site MIPS: Mark check_bugs() as __init Revert "MIPS: generic: Enable all CPUs supported by virt board in Kconfig" MIPS: octeon_switch: Remove duplicated labels MIPS: loongson2ef: Add missing break in cs5536_isa MIPS: Remove set_swbp() in uprobes.c MIPS: Use def_bool y for ARCH_SUPPORTS_UPROBES MIPS: fw: Allow firmware to pass a empty env MIPS: Remove deprecated CONFIG_MIPS_CMP MIPS: lantiq: remove unused function declaration MIPS: Drop unused positional parameter in local_irq_{dis,en}able MIPS: mm: Remove local_cache_flush_page MIPS: Remove no longer used ide.h MIPS: mm: Remove unused *cache_page_indexed flush functions MIPS: generic: Enable all CPUs supported by virt board in Kconfig MIPS: Add board config for virt board MIPS: Octeon: Disable CVMSEG by default on other platforms MIPS: Loongson: Don't select platform features with CPU ...
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git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linuxLinus Torvalds authored
Pull sh updates from John Paul Adrian Glaubitz: "This is a bit larger than my previous one and mainly consists of clean-up work in the arch/sh directory by Geert Uytterhoeven and Randy Dunlap. Additionally, this fixes a bug in the Storage Queue code that was discovered while I was reviewing a patch to switch the code to the bitmap API by Christophe Jaillet. So this contains both a fix for the original bug in the Storage Queue code that can be backported later as well as the Christophe's patch to swich the code to the bitmap API. Summary: - Use generic GCC library routines - sq: Use the bitmap API when applicable - sq: Fix incorrect element size for allocating bitmap buffer - pci: Remove unused variable in SH-7786 PCI Express code - mcount.S: fix build error when PRINTK is not enabled - remove sh5/sh64 last fragments - math-emu: fix macro redefined warning - init: use OF_EARLY_FLATTREE for early init - nmi_debug: fix return value of __setup handler - SH2007: drop the bad URL info" * tag 'sh-for-v6.4-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux: sh: Replace <uapi/asm/types.h> by <asm-generic/int-ll64.h> sh: Use generic GCC library routines sh: sq: Use the bitmap API when applicable sh: sq: Fix incorrect element size for allocating bitmap buffer sh: pci: Remove unused variable in SH-7786 PCI Express code sh: mcount.S: fix build error when PRINTK is not enabled sh: remove sh5/sh64 last fragments sh: math-emu: fix macro redefined warning sh: init: use OF_EARLY_FLATTREE for early init sh: nmi_debug: fix return value of __setup handler sh: SH2007: drop the bad URL info
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tipLinus Torvalds authored
Pull xen updates from Juergen Gross: - some cleanups in the Xen blkback driver - fix potential sleeps under lock in various Xen drivers * tag 'for-linus-6.4-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/blkback: move blkif_get_x86_*_req() into blkback.c xen/blkback: simplify free_persistent_gnts() interface xen/blkback: remove stale prototype xen/blkback: fix white space code style issues xen/pvcalls: don't call bind_evtchn_to_irqhandler() under lock xen/scsiback: don't call scsiback_free_translation_entry() under lock xen/pciback: don't call pcistub_device_put() under lock
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Linus Torvalds authored
Merge tag 'hyperv-next-signed-20230424' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux Pull hyperv updates from Wei Liu: - PCI passthrough for Hyper-V confidential VMs (Michael Kelley) - Hyper-V VTL mode support (Saurabh Sengar) - Move panic report initialization code earlier (Long Li) - Various improvements and bug fixes (Dexuan Cui and Michael Kelley) * tag 'hyperv-next-signed-20230424' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux: (22 commits) PCI: hv: Replace retarget_msi_interrupt_params with hyperv_pcpu_input_arg Drivers: hv: move panic report code from vmbus to hv early init code x86/hyperv: VTL support for Hyper-V Drivers: hv: Kconfig: Add HYPERV_VTL_MODE x86/hyperv: Make hv_get_nmi_reason public x86/hyperv: Add VTL specific structs and hypercalls x86/init: Make get/set_rtc_noop() public x86/hyperv: Exclude lazy TLB mode CPUs from enlightened TLB flushes x86/hyperv: Add callback filter to cpumask_to_vpset() Drivers: hv: vmbus: Remove the per-CPU post_msg_page clocksource: hyper-v: make sure Invariant-TSC is used if it is available PCI: hv: Enable PCI pass-thru devices in Confidential VMs Drivers: hv: Don't remap addresses that are above shared_gpa_boundary hv_netvsc: Remove second mapping of send and recv buffers Drivers: hv: vmbus: Remove second way of mapping ring buffers Drivers: hv: vmbus: Remove second mapping of VMBus monitor pages swiotlb: Remove bounce buffer remapping for Hyper-V Driver: VMBus: Add Devicetree support dt-bindings: bus: Add Hyper-V VMBus Drivers: hv: vmbus: Convert acpi_device to more generic platform_device ...
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