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[merged mm-hotfixes-stable] scripts-gdb-fix-interrupts-display-after-mcp-on-x86.patch removed from -mm tree

by Andrew Morton

The quilt patch titled Subject: scripts/gdb: fix interrupts display after MCP on x86 has been removed from the -mm tree. Its filename was scripts-gdb-fix-interrupts-display-after-mcp-on-x86.patch This patch was dropped because it was merged into the mm-hotfixes-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Florian Fainelli <florian.fainelli(a)broadcom.com> Subject: scripts/gdb: fix interrupts display after MCP on x86 Date: Mon, 23 Jun 2025 09:41:52 -0700 The text line would not be appended to as it should have, it should have been a '+=' but ended up being a '==', fix that. Link: https://lkml.kernel.org/r/20250623164153.746359-1-florian.fainelli@broadcom… Fixes: b0969d7687a7 ("scripts/gdb: print interrupts") Signed-off-by: Florian Fainelli <florian.fainelli(a)broadcom.com> Cc: Jan Kiszka <jan.kiszka(a)siemens.com> Cc: Kieran Bingham <kbingham(a)kernel.org> Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> --- scripts/gdb/linux/interrupts.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/scripts/gdb/linux/interrupts.py~scripts-gdb-fix-interrupts-display-after-mcp-on-x86 +++ a/scripts/gdb/linux/interrupts.py @@ -142,7 +142,7 @@ def x86_show_interupts(prec): if constants.LX_CONFIG_X86_MCE: text += x86_show_mce(prec, "&mce_exception_count", "MCE", "Machine check exceptions") - text == x86_show_mce(prec, "&mce_poll_count", "MCP", "Machine check polls") + text += x86_show_mce(prec, "&mce_poll_count", "MCP", "Machine check polls") text += show_irq_err_count(prec) _ Patches currently in -mm which might be from florian.fainelli(a)broadcom.com are

3 months, 1 week

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[merged mm-hotfixes-stable] lib-alloc_tag-do-not-acquire-non-existent-lock-in-alloc_tag_top_users.patch removed from -mm tree

by Andrew Morton

The quilt patch titled Subject: lib/alloc_tag: do not acquire non-existent lock in alloc_tag_top_users() has been removed from the -mm tree. Its filename was lib-alloc_tag-do-not-acquire-non-existent-lock-in-alloc_tag_top_users.patch This patch was dropped because it was merged into the mm-hotfixes-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Harry Yoo <harry.yoo(a)oracle.com> Subject: lib/alloc_tag: do not acquire non-existent lock in alloc_tag_top_users() Date: Sat, 21 Jun 2025 04:53:05 +0900 alloc_tag_top_users() attempts to lock alloc_tag_cttype->mod_lock even when the alloc_tag_cttype is not allocated because: 1) alloc tagging is disabled because mem profiling is disabled (!alloc_tag_cttype) 2) alloc tagging is enabled, but not yet initialized (!alloc_tag_cttype) 3) alloc tagging is enabled, but failed initialization (!alloc_tag_cttype or IS_ERR(alloc_tag_cttype)) In all cases, alloc_tag_cttype is not allocated, and therefore alloc_tag_top_users() should not attempt to acquire the semaphore. This leads to a crash on memory allocation failure by attempting to acquire a non-existent semaphore: Oops: general protection fault, probably for non-canonical address 0xdffffc000000001b: 0000 [#3] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x00000000000000d8-0x00000000000000df] CPU: 2 UID: 0 PID: 1 Comm: systemd Tainted: G D 6.16.0-rc2 #1 VOLUNTARY Tainted: [D]=DIE Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:down_read_trylock+0xaa/0x3b0 Code: d0 7c 08 84 d2 0f 85 a0 02 00 00 8b 0d df 31 dd 04 85 c9 75 29 48 b8 00 00 00 00 00 fc ff df 48 8d 6b 68 48 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 88 02 00 00 48 3b 5b 68 0f 85 53 01 00 00 65 ff RSP: 0000:ffff8881002ce9b8 EFLAGS: 00010016 RAX: dffffc0000000000 RBX: 0000000000000070 RCX: 0000000000000000 RDX: 000000000000001b RSI: 000000000000000a RDI: 0000000000000070 RBP: 00000000000000d8 R08: 0000000000000001 R09: ffffed107dde49d1 R10: ffff8883eef24e8b R11: ffff8881002cec20 R12: 1ffff11020059d37 R13: 00000000003fff7b R14: ffff8881002cec20 R15: dffffc0000000000 FS: 00007f963f21d940(0000) GS:ffff888458ca6000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f963f5edf71 CR3: 000000010672c000 CR4: 0000000000350ef0 Call Trace: <TASK> codetag_trylock_module_list+0xd/0x20 alloc_tag_top_users+0x369/0x4b0 __show_mem+0x1cd/0x6e0 warn_alloc+0x2b1/0x390 __alloc_frozen_pages_noprof+0x12b9/0x21a0 alloc_pages_mpol+0x135/0x3e0 alloc_slab_page+0x82/0xe0 new_slab+0x212/0x240 ___slab_alloc+0x82a/0xe00 </TASK> As David Wang points out, this issue became easier to trigger after commit 780138b12381 ("alloc_tag: check mem_profiling_support in alloc_tag_init"). Before the commit, the issue occurred only when it failed to allocate and initialize alloc_tag_cttype or if a memory allocation fails before alloc_tag_init() is called. After the commit, it can be easily triggered when memory profiling is compiled but disabled at boot. To properly determine whether alloc_tag_init() has been called and its data structures initialized, verify that alloc_tag_cttype is a valid pointer before acquiring the semaphore. If the variable is NULL or an error value, it has not been properly initialized. In such a case, just skip and do not attempt to acquire the semaphore. [harry.yoo(a)oracle.com: v3] Link: https://lkml.kernel.org/r/20250624072513.84219-1-harry.yoo@oracle.com Link: https://lkml.kernel.org/r/20250620195305.1115151-1-harry.yoo@oracle.com Fixes: 780138b12381 ("alloc_tag: check mem_profiling_support in alloc_tag_init") Fixes: 1438d349d16b ("lib: add memory allocations report in show_mem()") Signed-off-by: Harry Yoo <harry.yoo(a)oracle.com> Reported-by: kernel test robot <oliver.sang(a)intel.com> Closes: https://lore.kernel.org/oe-lkp/202506181351.bba867dd-lkp@intel.com Acked-by: Suren Baghdasaryan <surenb(a)google.com> Tested-by: Raghavendra K T <raghavendra.kt(a)amd.com> Cc: Casey Chen <cachen(a)purestorage.com> Cc: David Wang <00107082(a)163.com> Cc: Kent Overstreet <kent.overstreet(a)linux.dev> Cc: Yuanyuan Zhong <yzhong(a)purestorage.com> Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> --- lib/alloc_tag.c | 3 +++ 1 file changed, 3 insertions(+) --- a/lib/alloc_tag.c~lib-alloc_tag-do-not-acquire-non-existent-lock-in-alloc_tag_top_users +++ a/lib/alloc_tag.c @@ -135,6 +135,9 @@ size_t alloc_tag_top_users(struct codeta struct codetag_bytes n; unsigned int i, nr = 0; + if (IS_ERR_OR_NULL(alloc_tag_cttype)) + return 0; + if (can_sleep) codetag_lock_module_list(alloc_tag_cttype, true); else if (!codetag_trylock_module_list(alloc_tag_cttype)) _ Patches currently in -mm which might be from harry.yoo(a)oracle.com are mm-zsmalloc-do-not-pass-__gfp_movable-if-config_compaction=n.patch mm-check-if-folio-has-valid-mapcount-before-folio_test_anonksm-when-necessary.patch

3 months, 1 week

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[merged mm-hotfixes-stable] kallsyms-fix-build-without-execinfo.patch removed from -mm tree

by Andrew Morton

The quilt patch titled Subject: kallsyms: fix build without execinfo has been removed from the -mm tree. Its filename was kallsyms-fix-build-without-execinfo.patch This patch was dropped because it was merged into the mm-hotfixes-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Achill Gilgenast <fossdd(a)pwned.life> Subject: kallsyms: fix build without execinfo Date: Sun, 22 Jun 2025 03:45:49 +0200 Some libc's like musl libc don't provide execinfo.h since it's not part of POSIX. In order to fix compilation on musl, only include execinfo.h if available (HAVE_BACKTRACE_SUPPORT) This was discovered with c104c16073b7 ("Kunit to check the longest symbol length") which starts to include linux/kallsyms.h with Alpine Linux' configs. Link: https://lkml.kernel.org/r/20250622014608.448718-1-fossdd@pwned.life Fixes: c104c16073b7 ("Kunit to check the longest symbol length") Signed-off-by: Achill Gilgenast <fossdd(a)pwned.life> Cc: Luis Henriques <luis(a)igalia.com> Cc: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> --- tools/include/linux/kallsyms.h | 4 ++++ 1 file changed, 4 insertions(+) --- a/tools/include/linux/kallsyms.h~kallsyms-fix-build-without-execinfo +++ a/tools/include/linux/kallsyms.h @@ -18,6 +18,7 @@ static inline const char *kallsyms_looku return NULL; } +#ifdef HAVE_BACKTRACE_SUPPORT #include <execinfo.h> #include <stdlib.h> static inline void print_ip_sym(const char *loglvl, unsigned long ip) @@ -30,5 +31,8 @@ static inline void print_ip_sym(const ch free(name); } +#else +static inline void print_ip_sym(const char *loglvl, unsigned long ip) {} +#endif #endif _ Patches currently in -mm which might be from fossdd(a)pwned.life are

3 months, 1 week

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[folded-merged] lib-alloc_tag-do-not-acquire-non-existent-lock-in-alloc_tag_top_users-v3.patch removed from -mm tree

by Andrew Morton

The quilt patch titled Subject: lib-alloc_tag-do-not-acquire-non-existent-lock-in-alloc_tag_top_users-v3 has been removed from the -mm tree. Its filename was lib-alloc_tag-do-not-acquire-non-existent-lock-in-alloc_tag_top_users-v3.patch This patch was dropped because it was folded into lib-alloc_tag-do-not-acquire-non-existent-lock-in-alloc_tag_top_users.patch ------------------------------------------------------ From: Harry Yoo <harry.yoo(a)oracle.com> Subject: lib-alloc_tag-do-not-acquire-non-existent-lock-in-alloc_tag_top_users-v3 Date: Tue, 24 Jun 2025 16:25:13 +0900 Link: https://lkml.kernel.org/r/20250624072513.84219-1-harry.yoo@oracle.com Reported-by: kernel test robot <oliver.sang(a)intel.com> Closes: https://lore.kernel.org/oe-lkp/202506181351.bba867dd-lkp@intel.com Closes: https://lore.kernel.org/oe-lkp/202506131711.5b41931c-lkp@intel.com Fixes: 780138b12381 ("alloc_tag: check mem_profiling_support in alloc_tag_init") Fixes: 1438d349d16b ("lib: add memory allocations report in show_mem()") Signed-off-by: Harry Yoo <harry.yoo(a)oracle.com> Cc: Casey Chen <cachen(a)purestorage.com> Cc: David Wang <00107082(a)163.com> Cc: Kent Overstreet <kent.overstreet(a)linux.dev> Cc: Suren Baghdasaryan <surenb(a)google.com> Cc: Yuanyuan Zhong <yzhong(a)purestorage.com> Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> --- lib/alloc_tag.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/lib/alloc_tag.c~lib-alloc_tag-do-not-acquire-non-existent-lock-in-alloc_tag_top_users-v3 +++ a/lib/alloc_tag.c @@ -137,7 +137,8 @@ size_t alloc_tag_top_users(struct codeta if (IS_ERR_OR_NULL(alloc_tag_cttype)) return 0; - else if (can_sleep) + + if (can_sleep) codetag_lock_module_list(alloc_tag_cttype, true); else if (!codetag_trylock_module_list(alloc_tag_cttype)) return 0; _ Patches currently in -mm which might be from harry.yoo(a)oracle.com are lib-alloc_tag-do-not-acquire-non-existent-lock-in-alloc_tag_top_users.patch mm-zsmalloc-do-not-pass-__gfp_movable-if-config_compaction=n.patch mm-check-if-folio-has-valid-mapcount-before-folio_test_anonksm-when-necessary.patch

3 months, 1 week

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+ mm-shmem-swap-improve-cached-mthp-handling-and-fix-potential-hung.patch added to mm-new branch

by Andrew Morton

The patch titled Subject: mm/shmem, swap: improve cached mTHP handling and fix potential hung has been added to the -mm mm-new branch. Its filename is mm-shmem-swap-improve-cached-mthp-handling-and-fix-potential-hung.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patche… This patch will later appear in the mm-new branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Note, mm-new is a provisional staging ground for work-in-progress patches, and acceptance into mm-new is a notification for others take notice and to finish up reviews. Please do not hesitate to respond to review feedback and post updated versions to replace or incrementally fixup patches in mm-new. Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Kairui Song <kasong(a)tencent.com> Subject: mm/shmem, swap: improve cached mTHP handling and fix potential hung Date: Thu, 10 Jul 2025 11:36:59 +0800 Patch series "mm/shmem, swap: bugfix and improvement of mTHP swap in", v5. The current mTHP swapin path have several problems. It may potentially hang, may cause redundant faults due to false positive swap cache lookup, and it will involve at least 4 Xarray tree walks (get order, get order again, confirm swap, insert folio). And for !CONFIG_TRANSPARENT_HUGEPAGE builds, it will performs some mTHP related checks. This series fixes all of the mentioned issues, and the code should be more robust and prepared for the swap table series. Now tree walks is reduced to twice (get order & confirm, insert folio), !CONFIG_TRANSPARENT_HUGEPAGE build overhead is also minimized, and comes with a sanity check now. The performance is slightly better after this series, sequential swap in of 24G data from ZRAM, using transparent_hugepage_tmpfs=always (24 samples each): Before: Avg: 10.67s, stddev: 0.04 After patch 1: Avg: 10.49s, stddev: 0.04 After patch 2: Avg: 10.42s, stddev: 0.05 After patch 3: Avg: 10.45s, stddev: 0.05 After patch 4: Avg: 10.49s, stddev: 0.04 After patch 5: Avg: 9.67s, stddev: 0.03 After patch 6: Avg: 9.67s, stddev: 0.04 After patch 7: Avg: 9.68s, stddev: 0.05 After patch 8: Avg: 9.66s, stddev: 0.04 Several patches improve the performance by a little, which is about ~10% faster in total. Build kernel test showed very slightly improvement, testing with make -j48 with defconfig in a 768M memcg also using ZRAM as swap, and transparent_hugepage_tmpfs=always (6 test runs): Before: avg: 3353.66s, stddev: 33.73 After patch 1: avg: 3354.19s, stddev: 42.54 After patch 2: avg: 3364.16s, stddev: 52.74 After patch 3: avg: 3355.73s, stddev: 36.17 After patch 4: avg: 3352.78s, stddev: 39.80 After patch 5: avg: 3355.19s, stddev: 50.78 After patch 6: avg: 3333.63s, stddev: 32.50 After patch 7: avg: 3297.70s, stddev: 38.93 After patch 8: avg: 3302.35s, stddev: 50.61 This patch (of 8): The current swap-in code assumes that, when a swap entry in shmem mapping is order 0, its cached folios (if present) must be order 0 too, which turns out not always correct. The problem is shmem_split_large_entry is called before verifying the folio will eventually be swapped in, one possible race is: CPU1 CPU2 shmem_swapin_folio /* swap in of order > 0 swap entry S1 */ folio = swap_cache_get_folio /* folio = NULL */ order = xa_get_order /* order > 0 */ folio = shmem_swap_alloc_folio /* mTHP alloc failure, folio = NULL */ <... Interrupted ...> shmem_swapin_folio /* S1 is swapped in */ shmem_writeout /* S1 is swapped out, folio cached */ shmem_split_large_entry(..., S1) /* S1 is split, but the folio covering it has order > 0 now */ Now any following swapin of S1 will hang: `xa_get_order` returns 0, and folio lookup will return a folio with order > 0. The `xa_get_order(&mapping->i_pages, index) != folio_order(folio)` will always return false causing swap-in to return -EEXIST. And this looks fragile. So fix this up by allowing seeing a larger folio in swap cache, and check the whole shmem mapping range covered by the swapin have the right swap value upon inserting the folio. And drop the redundant tree walks before the insertion. This will actually improve performance, as it avoids two redundant Xarray tree walks in the hot path, and the only side effect is that in the failure path, shmem may redundantly reallocate a few folios causing temporary slight memory pressure. And worth noting, it may seems the order and value check before inserting might help reducing the lock contention, which is not true. The swap cache layer ensures raced swapin will either see a swap cache folio or failed to do a swapin (we have SWAP_HAS_CACHE bit even if swap cache is bypassed), so holding the folio lock and checking the folio flag is already good enough for avoiding the lock contention. The chance that a folio passes the swap entry value check but the shmem mapping slot has changed should be very low. Link: https://lkml.kernel.org/r/20250710033706.71042-1-ryncsn@gmail.com Link: https://lkml.kernel.org/r/20250710033706.71042-2-ryncsn@gmail.com Fixes: 809bc86517cc ("mm: shmem: support large folio swap out") Signed-off-by: Kairui Song <kasong(a)tencent.com> Reviewed-by: Kemeng Shi <shikemeng(a)huaweicloud.com> Reviewed-by: Baolin Wang <baolin.wang(a)linux.alibaba.com> Tested-by: Baolin Wang <baolin.wang(a)linux.alibaba.com> Cc: <stable(a)vger.kernel.org> Cc: Baoquan He <bhe(a)redhat.com> Cc: Chris Li <chrisl(a)kernel.org> Cc: Hugh Dickins <hughd(a)google.com> Cc: Kairui Song <kasong(a)tencent.com> Cc: Matthew Wilcox (Oracle) <willy(a)infradead.org> Cc: Nhat Pham <nphamcs(a)gmail.com> Cc: Dev Jain <dev.jain(a)arm.com> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> --- mm/shmem.c | 30 +++++++++++++++++++++--------- 1 file changed, 21 insertions(+), 9 deletions(-) --- a/mm/shmem.c~mm-shmem-swap-improve-cached-mthp-handling-and-fix-potential-hung +++ a/mm/shmem.c @@ -884,7 +884,9 @@ static int shmem_add_to_page_cache(struc pgoff_t index, void *expected, gfp_t gfp) { XA_STATE_ORDER(xas, &mapping->i_pages, index, folio_order(folio)); - long nr = folio_nr_pages(folio); + unsigned long nr = folio_nr_pages(folio); + swp_entry_t iter, swap; + void *entry; VM_BUG_ON_FOLIO(index != round_down(index, nr), folio); VM_BUG_ON_FOLIO(!folio_test_locked(folio), folio); @@ -896,14 +898,24 @@ static int shmem_add_to_page_cache(struc gfp &= GFP_RECLAIM_MASK; folio_throttle_swaprate(folio, gfp); + swap = iter = radix_to_swp_entry(expected); do { xas_lock_irq(&xas); - if (expected != xas_find_conflict(&xas)) { - xas_set_err(&xas, -EEXIST); - goto unlock; + xas_for_each_conflict(&xas, entry) { + /* + * The range must either be empty, or filled with + * expected swap entries. Shmem swap entries are never + * partially freed without split of both entry and + * folio, so there shouldn't be any holes. + */ + if (!expected || entry != swp_to_radix_entry(iter)) { + xas_set_err(&xas, -EEXIST); + goto unlock; + } + iter.val += 1 << xas_get_order(&xas); } - if (expected && xas_find_conflict(&xas)) { + if (expected && iter.val - nr != swap.val) { xas_set_err(&xas, -EEXIST); goto unlock; } @@ -2323,7 +2335,7 @@ static int shmem_swapin_folio(struct ino error = -ENOMEM; goto failed; } - } else if (order != folio_order(folio)) { + } else if (order > folio_order(folio)) { /* * Swap readahead may swap in order 0 folios into swapcache * asynchronously, while the shmem mapping can still stores @@ -2348,15 +2360,15 @@ static int shmem_swapin_folio(struct ino swap = swp_entry(swp_type(swap), swp_offset(swap) + offset); } + } else if (order < folio_order(folio)) { + swap.val = round_down(swap.val, 1 << folio_order(folio)); } alloced: /* We have to do this with folio locked to prevent races */ folio_lock(folio); if ((!skip_swapcache && !folio_test_swapcache(folio)) || - folio->swap.val != swap.val || - !shmem_confirm_swap(mapping, index, swap) || - xa_get_order(&mapping->i_pages, index) != folio_order(folio)) { + folio->swap.val != swap.val) { error = -EEXIST; goto unlock; } _ Patches currently in -mm which might be from kasong(a)tencent.com are mm-list_lru-refactor-the-locking-code.patch mm-shmem-swap-improve-cached-mthp-handling-and-fix-potential-hung.patch mm-shmem-swap-avoid-redundant-xarray-lookup-during-swapin.patch mm-shmem-swap-tidy-up-thp-swapin-checks.patch mm-shmem-swap-tidy-up-swap-entry-splitting.patch mm-shmem-swap-never-use-swap-cache-and-readahead-for-swp_synchronous_io.patch mm-shmem-swap-simplify-swapin-path-and-result-handling.patch mm-shmem-swap-rework-swap-entry-and-index-calculation-for-large-swapin.patch mm-shmem-swap-fix-major-fault-counting.patch

3 months, 1 week

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[PATCH v2] zynq_fpga: use sgtable-based scatterlist wrappers

by Marek Szyprowski

Use common wrappers operating directly on the struct sg_table objects to fix incorrect use of statterlists related calls. dma_unmap_sg() function has to be called with the number of elements originally passed to the dma_map_sg() function, not the one returned in sgtable's nents. CC: stable(a)vger.kernel.org Fixes: 425902f5c8e3 ("fpga zynq: Use the scatterlist interface") Signed-off-by: Marek Szyprowski <m.szyprowski(a)samsung.com> --- v2: - fixed build break (missing flags parameter) --- drivers/fpga/zynq-fpga.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git drivers/fpga/zynq-fpga.c drivers/fpga/zynq-fpga.c index f7e08f7ea9ef..0be0d569589d 100644 --- drivers/fpga/zynq-fpga.c +++ drivers/fpga/zynq-fpga.c @@ -406,7 +406,7 @@ static int zynq_fpga_ops_write(struct fpga_manager *mgr, struct sg_table *sgt) } priv->dma_nelms = - dma_map_sg(mgr->dev.parent, sgt->sgl, sgt->nents, DMA_TO_DEVICE); + dma_map_sgtable(mgr->dev.parent, sgt, DMA_TO_DEVICE, 0); if (priv->dma_nelms == 0) { dev_err(&mgr->dev, "Unable to DMA map (TO_DEVICE)\n"); return -ENOMEM; @@ -478,7 +478,7 @@ static int zynq_fpga_ops_write(struct fpga_manager *mgr, struct sg_table *sgt) clk_disable(priv->clk); out_free: - dma_unmap_sg(mgr->dev.parent, sgt->sgl, sgt->nents, DMA_TO_DEVICE); + dma_unmap_sgtable(mgr->dev.parent, sgt, DMA_TO_DEVICE, 0); return err; } -- 2.34.1

3 months, 1 week

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[PATCH v2 wireless-next] wifi: mt76: mt7925u: Add VID/PID for Netgear A9000

by Nick Morrow

From 17bf632a10e843af7a5f80d9e1449c5c26bb8486 Mon Sep 17 00:00:00 2001 From: Nick Morrow <morrownr(a)gmail.com> Date: Tue, 8 Jul 2025 16:40:42 -0500 Subject: [PATCH v2 wireless-next] wifi: mt76: mt7925u: Add VID/PID for Netgear A9000 Add VID/PID 0846/9072 for recently released Netgear A9000. Signed-off-by: Nick Morrow <morrownr(a)gmail.com> Cc: stable(a)vger.kernel.org --- v2: - No change. --- drivers/net/wireless/mediatek/mt76/mt7925/usb.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/usb.c b/drivers/net/wireless/mediatek/mt76/mt7925/usb.c index 4dfbc1b6cfdd..bf040f34e4b9 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7925/usb.c +++ b/drivers/net/wireless/mediatek/mt76/mt7925/usb.c @@ -12,6 +12,9 @@ static const struct usb_device_id mt7925u_device_table[] = { { USB_DEVICE_AND_INTERFACE_INFO(0x0e8d, 0x7925, 0xff, 0xff, 0xff), .driver_info = (kernel_ulong_t)MT7925_FIRMWARE_WM }, + /* Netgear, Inc. A9000 */ + { USB_DEVICE_AND_INTERFACE_INFO(0x0846, 0x9072, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t)MT7925_FIRMWARE_WM }, { }, }; -- 2.48.1

3 months, 1 week

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[PATCH 1/1] Drivers: hv: Select CONFIG_SYSFB only if EFI is enabled

by mhkelley58＠gmail.com

From: Michael Kelley <mhklinux(a)outlook.com> Commit 96959283a58d ("Drivers: hv: Always select CONFIG_SYSFB for Hyper-V guests") selects CONFIG_SYSFB for Hyper-V guests so that screen_info is available to the VMBus driver to get the location of the framebuffer in Generation 2 VMs. However, if CONFIG_HYPERV is enabled but CONFIG_EFI is not, a kernel link error results in ARM64 builds because screen_info is provided by the EFI firmware interface. While configuring an ARM64 Hyper-V guest without EFI isn't useful since EFI is required to boot, the configuration is still possible and the link error should be prevented. Fix this by making the selection of CONFIG_SYSFB conditional on CONFIG_EFI being defined. For Generation 1 VMs on x86/x64, which don't use EFI, the additional condition is OK because such VMs get the framebuffer information via a mechanism that doesn't use screen_info. Fixes: 96959283a58d ("Drivers: hv: Always select CONFIG_SYSFB for Hyper-V guests") Reported-by: Arnd Bergmann <arnd(a)arndb.de> Closes: https://lore.kernel.org/linux-hyperv/20250610091810.2638058-1-arnd@kernel.o… Reported-by: kernel test robot <lkp(a)intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202506080820.1wmkQufc-lkp@intel.com/ Signed-off-by: Michael Kelley <mhklinux(a)outlook.com> --- drivers/hv/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hv/Kconfig b/drivers/hv/Kconfig index 1cd188b73b74..57623ca7f350 100644 --- a/drivers/hv/Kconfig +++ b/drivers/hv/Kconfig @@ -9,7 +9,7 @@ config HYPERV select PARAVIRT select X86_HV_CALLBACK_VECTOR if X86 select OF_EARLY_FLATTREE if OF - select SYSFB if !HYPERV_VTL_MODE + select SYSFB if EFI && !HYPERV_VTL_MODE help Select this option to run Linux as a Hyper-V client operating system. -- 2.25.1

3 months, 1 week

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[PATCH wireless-next] wifi: mt76: mt7925u: Add VID/PID for Netgear A9000

by Nick Morrow

From 17bf632a10e843af7a5f80d9e1449c5c26bb8486 Mon Sep 17 00:00:00 2001 From: Nick Morrow <morrownr(a)gmail.com> Date: Tue, 8 Jul 2025 16:40:42 -0500 Subject: [PATCH wireless-next] wifi: mt76: mt7925u: Add VID/PID for Netgear A9000 Add VID/PID 0846/9072 for recently released Netgear A9000. Signed-off-by: Nick Morrow <morrownr(a)gmail.com> Cc: stable(a)vger.kernel.org --- drivers/net/wireless/mediatek/mt76/mt7925/usb.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/usb.c b/drivers/net/wireless/mediatek/mt76/mt7925/usb.c index 4dfbc1b6cfdd..bf040f34e4b9 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7925/usb.c +++ b/drivers/net/wireless/mediatek/mt76/mt7925/usb.c @@ -12,6 +12,9 @@ static const struct usb_device_id mt7925u_device_table[] = { { USB_DEVICE_AND_INTERFACE_INFO(0x0e8d, 0x7925, 0xff, 0xff, 0xff), .driver_info = (kernel_ulong_t)MT7925_FIRMWARE_WM }, + /* Netgear, Inc. A9000 */ + { USB_DEVICE_AND_INTERFACE_INFO(0x0846, 0x9072, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t)MT7925_FIRMWARE_WM }, { }, }; -- 2.48.1

3 months, 1 week

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[PATCH 5.15 000/160] 5.15.187-rc1 review

by Greg Kroah-Hartman

This is the start of the stable review cycle for the 5.15.187 release. There are 160 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be made by Thu, 10 Jul 2025 16:22:09 +0000. Anything received after that time might be too late. The whole patch series can be found in one patch at: https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.15.187-r… or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.15.y and the diffstat can be found below. thanks, greg k-h ------------- Pseudo-Shortlog of commits: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Linux 5.15.187-rc1 Borislav Petkov (AMD) <bp(a)alien8.de> x86/process: Move the buffer clearing before MONITOR Borislav Petkov (AMD) <bp(a)alien8.de> KVM: SVM: Advertise TSA CPUID bits to guests Paolo Bonzini <pbonzini(a)redhat.com> KVM: x86: add support for CPUID leaf 0x80000021 Borislav Petkov (AMD) <bp(a)alien8.de> x86/bugs: Add a Transient Scheduler Attacks mitigation Borislav Petkov (AMD) <bp(a)alien8.de> x86/bugs: Rename MDS machinery to something more generic Andrei Kuchynski <akuchynski(a)chromium.org> usb: typec: displayport: Fix potential deadlock Kurt Borja <kuurtb(a)gmail.com> platform/x86: think-lmi: Create ksets consecutively Oliver Neukum <oneukum(a)suse.com> Logitech C-270 even more broken Michael J. Ruhl <michael.j.ruhl(a)intel.com> i2c/designware: Fix an initialization issue Peter Chen <peter.chen(a)cixtech.com> usb: cdnsp: do not disable slot for disabled slot Mathias Nyman <mathias.nyman(a)linux.intel.com> xhci: dbc: Flush queued requests before stopping dbc Łukasz Bartosik <ukaszb(a)chromium.org> xhci: dbctty: disable ECHO flag by default Kurt Borja <kuurtb(a)gmail.com> platform/x86: dell-wmi-sysman: Fix class device unregistration Kurt Borja <kuurtb(a)gmail.com> platform/x86: think-lmi: Fix class device unregistration Fushuai Wang <wangfushuai(a)baidu.com> dpaa2-eth: fix xdp_rxq_info leak Ioana Ciornei <ioana.ciornei(a)nxp.com> net: dpaa2-eth: rearrange variable in dpaa2_eth_get_ethtool_stats Radu Bulie <radu-andrei.bulie(a)nxp.com> dpaa2-eth: Update SINGLE_STEP register access Radu Bulie <radu-andrei.bulie(a)nxp.com> dpaa2-eth: Update dpni_get_single_step_cfg command Thomas Fourier <fourier.thomas(a)gmail.com> ethernet: atl1: Add missing DMA mapping error checks and count errors Trond Myklebust <trond.myklebust(a)hammerspace.com> NFSv4/flexfiles: Fix handling of NFS level errors in I/O Maíra Canal <mcanal(a)igalia.com> drm/v3d: Disable interrupts before resetting the GPU Manivannan Sadhasivam <mani(a)kernel.org> regulator: gpio: Fix the out-of-bounds access to drvdata::gpiods Jerome Neanne <jneanne(a)baylibre.com> regulator: gpio: Add input_supply support in gpio_regulator_config Avri Altman <avri.altman(a)sandisk.com> mmc: core: sd: Apply BROKEN_SD_DISCARD quirk earlier Uladzislau Rezki (Sony) <urezki(a)gmail.com> rcu: Return early if callback is not specified Pablo Martin-Gomez <pmartin-gomez(a)freebox.fr> mtd: spinand: fix memory leak of ECC engine conf Rafael J. Wysocki <rafael.j.wysocki(a)intel.com> ACPICA: Refuse to evaluate a method if arguments are missing Johannes Berg <johannes.berg(a)intel.com> wifi: ath6kl: remove WARN on bad firmware input Johannes Berg <johannes.berg(a)intel.com> wifi: mac80211: drop invalid source address OCB frames Maurizio Lombardi <mlombard(a)redhat.com> scsi: target: Fix NULL pointer dereference in core_scsi3_decode_spec_i_port() Madhavan Srinivasan <maddy(a)linux.ibm.com> powerpc: Fix struct termio related ioctl macros Johannes Berg <johannes.berg(a)intel.com> ata: pata_cs5536: fix build on 32-bit UML Takashi Iwai <tiwai(a)suse.de> ALSA: sb: Force to disable DMAs once when DMA mode is changed Takashi Iwai <tiwai(a)suse.de> ALSA: sb: Don't allow changing the DMA mode during operations Rob Clark <robdclark(a)chromium.org> drm/msm: Fix a fence leak in submit error path Lion Ackermann <nnamrec(a)gmail.com> net/sched: Always pass notifications when child class becomes empty Thomas Fourier <fourier.thomas(a)gmail.com> nui: Fix dma_mapping_error() check Kohei Enju <enjuk(a)amazon.com> rose: fix dangling neighbour pointers in rose_rt_device_down() Alok Tiwari <alok.a.tiwari(a)oracle.com> enic: fix incorrect MTU comparison in enic_change_mtu() Raju Rangoju <Raju.Rangoju(a)amd.com> amd-xgbe: align CL37 AN sequence as per databook Dan Carpenter <dan.carpenter(a)linaro.org> lib: test_objagg: Set error message in check_expect_hints_stats() Vitaly Lifshits <vitaly.lifshits(a)intel.com> igc: disable L1.2 PCI-E link substate to avoid performance issue Janusz Krzysztofik <janusz.krzysztofik(a)linux.intel.com> drm/i915/gt: Fix timeline left held on VMA alloc error Kurt Borja <kuurtb(a)gmail.com> platform/x86: dell-wmi-sysman: Fix WMI data block retrieval in sysfs callbacks Dan Carpenter <dan.carpenter(a)linaro.org> drm/i915/selftests: Change mock_request() to return error pointers James Clark <james.clark(a)linaro.org> spi: spi-fsl-dspi: Clear completion counter before initiating transfer Marek Szyprowski <m.szyprowski(a)samsung.com> drm/exynos: fimd: Guard display clock control with runtime PM calls Filipe Manana <fdmanana(a)suse.com> btrfs: fix missing error handling when searching for inode refs during log replay Patrisious Haddad <phaddad(a)nvidia.com> RDMA/mlx5: Fix CC counters query for MPV Bart Van Assche <bvanassche(a)acm.org> scsi: ufs: core: Fix spelling of a sysfs attribute name Thomas Fourier <fourier.thomas(a)gmail.com> scsi: qla4xxx: Fix missing DMA mapping error in qla4xxx_alloc_pdu() Thomas Fourier <fourier.thomas(a)gmail.com> scsi: qla2xxx: Fix DMA mapping test in qla24xx_get_port_database() Benjamin Coddington <bcodding(a)redhat.com> NFSv4/pNFS: Fix a race to wake on NFS_LAYOUT_DRAIN Kuniyuki Iwashima <kuniyu(a)google.com> nfs: Clean up /proc/net/rpc/nfs when nfs_fs_proc_net_init() fails. Mark Zhang <markzhang(a)nvidia.com> RDMA/mlx5: Initialize obj_event->obj_sub_list before xa_insert David Thompson <davthompson(a)nvidia.com> platform/mellanox: mlxbf-tmfifo: fix vring_desc.len assignment Sergey Senozhatsky <senozhatsky(a)chromium.org> mtk-sd: reset host->mrq on prepare_data() error Masami Hiramatsu (Google) <mhiramat(a)kernel.org> mtk-sd: Prevent memory corruption from DMA map failure Masami Hiramatsu (Google) <mhiramat(a)kernel.org> mtk-sd: Fix a pagefault in dma_unmap_sg() for not prepared data RD Babiera <rdbabiera(a)google.com> usb: typec: altmodes/displayport: do not index invalid pin_assignments Ulf Hansson <ulf.hansson(a)linaro.org> Revert "mmc: sdhci: Disable SD card clock before changing parameters" Victor Shih <victor.shih(a)genesyslogic.com.tw> mmc: sdhci: Add a helper function for dump register in dynamic debug mode HarshaVardhana S A <harshavardhana.sa(a)broadcom.com> vsock/vmci: Clear the vmci transport packet properly when initializing it Mateusz Jończyk <mat.jonczyk(a)o2.pl> rtc: cmos: use spin_lock_irqsave in cmos_interrupt Geert Uytterhoeven <geert+renesas(a)glider.be> ARM: 9354/1: ptrace: Use bitfield helpers Josef Bacik <josef(a)toxicpanda.com> btrfs: don't drop extent_map for free space inode on write error Dev Jain <dev.jain(a)arm.com> arm64: Restrict pagetable teardown to avoid false warning Brett A C Sheffield (Librecast) <bacs(a)librecast.net> Revert "ipv6: save dontfrag in cork" Nathan Chancellor <nathan(a)kernel.org> s390: Add '-std=gnu11' to decompressor and purgatory CFLAGS Heiko Carstens <hca(a)linux.ibm.com> s390/entry: Fix last breaking event handling in case of stack corruption Ricardo Ribalda <ribalda(a)chromium.org> media: uvcvideo: Rollback non processed entities on error Dexuan Cui <decui(a)microsoft.com> PCI: hv: Do not set PCI_COMMAND_MEMORY to reduce VM boot time Wentao Liang <vulab(a)iscas.ac.cn> drm/amd/display: Add null pointer check for get_first_active_display() Aradhya Bhatia <a-bhatia1(a)ti.com> drm/bridge: cdns-dsi: Wait for Clk and Data Lanes to be ready Aradhya Bhatia <a-bhatia1(a)ti.com> drm/bridge: cdns-dsi: Check return value when getting default PHY config Aradhya Bhatia <a-bhatia1(a)ti.com> drm/bridge: cdns-dsi: Fix connecting to next bridge Aradhya Bhatia <a-bhatia1(a)ti.com> drm/bridge: cdns-dsi: Fix the clock variable for mode_valid() Jay Cornwall <jay.cornwall(a)amd.com> drm/amdkfd: Fix race in GWS queue scheduling Thomas Zimmermann <tzimmermann(a)suse.de> drm/udl: Unregister device before cleaning up on disconnect Qiu-ji Chen <chenqiuji666(a)gmail.com> drm/tegra: Fix a possible null pointer dereference Thierry Reding <treding(a)nvidia.com> drm/tegra: Assign plane type before registration Qasim Ijaz <qasdev00(a)gmail.com> HID: wacom: fix kobject reference count leak Qasim Ijaz <qasdev00(a)gmail.com> HID: wacom: fix memory leak on sysfs attribute creation failure Qasim Ijaz <qasdev00(a)gmail.com> HID: wacom: fix memory leak on kobject creation failure Mark Harmstone <maharmstone(a)fb.com> btrfs: update superblock's device bytes_used when dropping chunk Heinz Mauelshagen <heinzm(a)redhat.com> dm-raid: fix variable in journal device check Frédéric Danis <frederic.danis(a)collabora.com> Bluetooth: L2CAP: Fix L2CAP MTU negotiation Yao Zi <ziyao(a)disroot.org> dt-bindings: serial: 8250: Make clocks and clock-frequency exclusive Nathan Chancellor <nathan(a)kernel.org> staging: rtl8723bs: Avoid memset() in aes_cipher() and aes_decipher() Jakub Kicinski <kuba(a)kernel.org> net: selftests: fix TCP packet checksum Kuniyuki Iwashima <kuniyu(a)google.com> atm: Release atm_dev_mutex after removing procfs in atm_dev_deregister(). Simon Horman <horms(a)kernel.org> net: enetc: Correct endianness handling in _enetc_rd_reg64 Tiwei Bie <tiwei.btw(a)antgroup.com> um: ubd: Add missing error check in start_io_thread() Stefano Garzarella <sgarzare(a)redhat.com> vsock/uapi: fix linux/vm_sockets.h userspace compilation errors Kuniyuki Iwashima <kuniyu(a)google.com> af_unix: Don't set -ECONNRESET for consumed OOB skb. Lachlan Hodges <lachlan.hodges(a)morsemicro.com> wifi: mac80211: fix beacon interval calculation overflow Yuan Chen <chenyuan(a)kylinos.cn> libbpf: Fix null pointer dereference in btf_dump__free on allocation failure Al Viro <viro(a)zeniv.linux.org.uk> attach_recursive_mnt(): do not lock the covering tree when sliding something under it Youngjun Lee <yjjuny.lee(a)samsung.com> ALSA: usb-audio: Fix out-of-bounds read in snd_usb_get_audioformat_uac3() Eric Dumazet <edumazet(a)google.com> atm: clip: prevent NULL deref in clip_push() Fedor Pchelkin <pchelkin(a)ispras.ru> s390/pkey: Prevent overflow in size calculation for memdup_user() Wolfram Sang <wsa+renesas(a)sang-engineering.com> i2c: robotfuzz-osif: disable zero-length read messages Wolfram Sang <wsa+renesas(a)sang-engineering.com> i2c: tiny-usb: disable zero-length read messages Rong Zhang <i(a)rong.moe> platform/x86: ideapad-laptop: use usleep_range() for EC polling Thomas Zimmermann <tzimmermann(a)suse.de> dummycon: Trigger redraw when switching consoles with deferred takeover Jiri Slaby (SUSE) <jirislaby(a)kernel.org> tty: vt: make consw::con_switch() return a bool Jiri Slaby (SUSE) <jirislaby(a)kernel.org> tty: vt: sanitize arguments of consw::con_clear() Jiri Slaby (SUSE) <jirislaby(a)kernel.org> tty: vt: make init parameter of consw::con_init() a bool Jiri Slaby (SUSE) <jirislaby(a)kernel.org> vgacon: remove unneeded forward declarations Jiri Slaby (SUSE) <jirislaby(a)kernel.org> vgacon: switch vgacon_scrolldelta() and vgacon_restore_screen() Jiri Slaby <jirislaby(a)kernel.org> tty/vt: consolemap: rename and document struct uni_pagedir Daniel Vetter <daniel.vetter(a)ffwll.ch> fbcon: delete a few unneeded forward decl Long Li <longli(a)microsoft.com> uio_hv_generic: Align ring size to system page Saurabh Sengar <ssengar(a)linux.microsoft.com> uio_hv_generic: Query the ringbuffer size for device Saurabh Sengar <ssengar(a)linux.microsoft.com> Drivers: hv: vmbus: Add utility function for querying ring size Vitaly Kuznetsov <vkuznets(a)redhat.com> Drivers: hv: Rename 'alloced' to 'allocated' Murad Masimov <m.masimov(a)mt-integration.ru> fbdev: Fix do_register_framebuffer to prevent null-ptr-deref in fb_videomode_to_var Daniel Vetter <daniel.vetter(a)ffwll.ch> fbcon: Move console_lock for register/unlink/unregister Daniel Vetter <daniel.vetter(a)ffwll.ch> fbcon: use lock_fb_info in fbcon_open/release Daniel Vetter <daniel.vetter(a)ffwll.ch> fbcon: move more common code into fb_open() Daniel Vetter <daniel.vetter(a)ffwll.ch> fbcon: Extract fbcon_open/release helpers Daniel Vetter <daniel.vetter(a)ffwll.ch> fbcon: Use delayed work for cursor Chao Yu <chao(a)kernel.org> f2fs: don't over-report free space or inodes in statvfs Krzysztof Kozlowski <krzysztof.kozlowski(a)linaro.org> ASoC: codecs: wcd9335: Fix missing free of regulator supplies Peng Fan <peng.fan(a)nxp.com> ASoC: codec: wcd9335: Convert to GPIO descriptors Krzysztof Kozlowski <krzysztof.kozlowski(a)linaro.org> ASoC: codecs: wcd9335: Handle nicer probe deferral and simplify with dev_err_probe() Matti Vaittinen <mazziesaccount(a)gmail.com> regulator: Add devm helpers for get and enable Douglas Anderson <dianders(a)chromium.org> regulator: core: Allow drivers to define their init data as const Ming Qian <ming.qian(a)oss.nxp.com> media: imx-jpeg: Drop the first error frames Miquel Raynal <miquel.raynal(a)bootlin.com> clk: ti: am43xx: Add clkctrl data for am43xx ADC1 Marek Szyprowski <m.szyprowski(a)samsung.com> media: omap3isp: use sgtable-based scatterlist wrappers Dmitry Nikiforov <Dm1tryNk(a)yandex.ru> media: davinci: vpif: Fix memory leak in probe error path Vasiliy Kovalev <kovalev(a)altlinux.org> jfs: validate AG parameters in dbMount() to prevent crashes Dave Kleikamp <dave.kleikamp(a)oracle.com> fs/jfs: consolidate sanity checking in dbMount Kees Cook <kees(a)kernel.org> ovl: Check for NULL d_inode() in ovl_dentry_upper() Dmitry Kandybka <d.kandybka(a)gmail.com> ceph: fix possible integer overflow in ceph_zero_objects() Mario Limonciello <mario.limonciello(a)amd.com> ALSA: usb-audio: Add a quirk for Lenovo Thinkpad Thunderbolt 3 dock Vijendar Mukunda <Vijendar.Mukunda(a)amd.com> ALSA: hda: Add new pci id for AMD GPU display HD audio controller Cezary Rojewski <cezary.rojewski(a)intel.com> ALSA: hda: Ignore unsol events for cards being shut down Jos Wang <joswang(a)lenovo.com> usb: typec: displayport: Receive DP Status Update NAK request exit dp altmode Robert Hodaszi <robert.hodaszi(a)digi.com> usb: cdc-wdm: avoid setting WDM_READ for ZLP-s Andy Shevchenko <andriy.shevchenko(a)linux.intel.com> usb: Add checks for snprintf() calls in usb_alloc_dev() Chance Yang <chance.yang(a)kneron.us> usb: common: usb-conn-gpio: use a unique name for usb connector device Jakub Lewalski <jakub.lewalski(a)nokia.com> tty: serial: uartlite: register uart driver in init Chen Yufeng <chenyufeng(a)iie.ac.cn> usb: potential integer overflow in usbg_make_tpg() Michael Grzeschik <m.grzeschik(a)pengutronix.de> usb: dwc2: also exit clock_gating when stopping udc while suspended James Clark <james.clark(a)linaro.org> coresight: Only check bottom two claim bits Sami Tolvanen <samitolvanen(a)google.com> um: Add cmpxchg8b_emu and checksum functions to asm-prototypes.h Jonathan Cameron <Jonathan.Cameron(a)huawei.com> iio: pressure: zpa2326: Use aligned_s64 for the timestamp Linggang Zeng <linggang.zeng(a)easystack.cn> bcache: fix NULL pointer in cache_set_flush() Yu Kuai <yukuai3(a)huawei.com> md/md-bitmap: fix dm-raid max_write_behind setting Thomas Gessler <thomas.gessler(a)brueckmann-gmbh.de> dmaengine: xilinx_dma: Set dma_device directions Namjae Jeon <linkinjeon(a)kernel.org> ksmbd: allow a filename to contain special characters on SMB3.1.1 posix extension Alexis Czezar Torreno <alexisczezar.torreno(a)analog.com> hwmon: (pmbus/max34440) Fix support for max34451 Sven Schwermer <sven.schwermer(a)disruptive-technologies.com> leds: multicolor: Fix intensity setting while SW blinking Krzysztof Kozlowski <krzysztof.kozlowski(a)linaro.org> mfd: max14577: Fix wakeup source leaks on device unbind Peng Fan <peng.fan(a)nxp.com> mailbox: Not protect module_put with spin_lock_irqsave Olga Kornievskaia <okorniev(a)redhat.com> NFSv4.2: fix listxattr to return selinux security label Han Young <hanyang.tony(a)bytedance.com> NFSv4: Always set NLINK even if the server doesn't support it Pali Rohár <pali(a)kernel.org> cifs: Fix cifs_query_path_info() for Windows NT servers ------------- Diffstat: Documentation/ABI/testing/sysfs-devices-system-cpu | 1 + Documentation/ABI/testing/sysfs-driver-ufs | 2 +- .../hw-vuln/processor_mmio_stale_data.rst | 4 +- Documentation/admin-guide/kernel-parameters.txt | 13 + Documentation/devicetree/bindings/serial/8250.yaml | 2 +- Makefile | 4 +- arch/arm/include/asm/ptrace.h | 5 +- arch/arm64/mm/mmu.c | 3 +- arch/powerpc/include/uapi/asm/ioctls.h | 8 +- arch/s390/Makefile | 2 +- arch/s390/kernel/entry.S | 2 +- arch/s390/purgatory/Makefile | 2 +- arch/um/drivers/ubd_user.c | 2 +- arch/um/include/asm/asm-prototypes.h | 5 + arch/x86/Kconfig | 9 + arch/x86/entry/entry.S | 8 +- arch/x86/include/asm/cpu.h | 13 + arch/x86/include/asm/cpufeatures.h | 6 + arch/x86/include/asm/irqflags.h | 4 +- arch/x86/include/asm/mwait.h | 19 +- arch/x86/include/asm/nospec-branch.h | 39 ++- arch/x86/kernel/cpu/amd.c | 58 ++++ arch/x86/kernel/cpu/bugs.c | 133 +++++++- arch/x86/kernel/cpu/common.c | 14 +- arch/x86/kernel/cpu/scattered.c | 2 + arch/x86/kernel/process.c | 15 +- arch/x86/kvm/cpuid.c | 25 +- arch/x86/kvm/reverse_cpuid.h | 8 + arch/x86/kvm/svm/vmenter.S | 6 + arch/x86/kvm/vmx/vmx.c | 2 +- arch/x86/um/asm/checksum.h | 3 + drivers/acpi/acpica/dsmethod.c | 7 + drivers/ata/pata_cs5536.c | 2 +- drivers/base/cpu.c | 2 + drivers/clk/ti/clk-43xx.c | 1 + drivers/dma/xilinx/xilinx_dma.c | 2 + drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c | 2 +- .../gpu/drm/amd/display/modules/hdcp/hdcp_psp.c | 3 + drivers/gpu/drm/bridge/cdns-dsi.c | 27 +- drivers/gpu/drm/exynos/exynos_drm_fimd.c | 12 + drivers/gpu/drm/i915/gt/intel_ring_submission.c | 3 +- drivers/gpu/drm/i915/selftests/i915_request.c | 20 +- drivers/gpu/drm/i915/selftests/mock_request.c | 2 +- drivers/gpu/drm/msm/msm_gem_submit.c | 9 + drivers/gpu/drm/tegra/dc.c | 17 +- drivers/gpu/drm/tegra/hub.c | 4 +- drivers/gpu/drm/tegra/hub.h | 3 +- drivers/gpu/drm/udl/udl_drv.c | 2 +- drivers/gpu/drm/v3d/v3d_drv.h | 8 + drivers/gpu/drm/v3d/v3d_gem.c | 2 + drivers/gpu/drm/v3d/v3d_irq.c | 39 ++- drivers/hid/wacom_sys.c | 6 +- drivers/hv/channel_mgmt.c | 33 +- drivers/hv/hyperv_vmbus.h | 19 +- drivers/hv/vmbus_drv.c | 2 +- drivers/hwmon/pmbus/max34440.c | 48 ++- drivers/hwtracing/coresight/coresight-core.c | 3 +- drivers/hwtracing/coresight/coresight-priv.h | 1 + drivers/i2c/busses/i2c-designware-master.c | 1 + drivers/i2c/busses/i2c-robotfuzz-osif.c | 6 + drivers/i2c/busses/i2c-tiny-usb.c | 6 + drivers/iio/pressure/zpa2326.c | 2 +- drivers/infiniband/hw/mlx5/counters.c | 2 +- drivers/infiniband/hw/mlx5/devx.c | 2 +- drivers/leds/led-class-multicolor.c | 3 +- drivers/mailbox/mailbox.c | 2 +- drivers/md/bcache/super.c | 7 +- drivers/md/dm-raid.c | 2 +- drivers/md/md-bitmap.c | 2 +- drivers/media/platform/davinci/vpif.c | 4 +- drivers/media/platform/imx-jpeg/mxc-jpeg.c | 12 +- drivers/media/platform/omap3isp/ispccdc.c | 8 +- drivers/media/platform/omap3isp/ispstat.c | 6 +- drivers/media/usb/uvc/uvc_ctrl.c | 42 ++- drivers/mfd/max14577.c | 1 + drivers/mmc/core/quirks.h | 16 +- drivers/mmc/host/mtk-sd.c | 21 +- drivers/mmc/host/sdhci.c | 9 +- drivers/mmc/host/sdhci.h | 16 + drivers/mtd/nand/spi/core.c | 1 + drivers/net/ethernet/amd/xgbe/xgbe-common.h | 2 + drivers/net/ethernet/amd/xgbe/xgbe-mdio.c | 9 + drivers/net/ethernet/amd/xgbe/xgbe.h | 4 +- drivers/net/ethernet/atheros/atlx/atl1.c | 78 +++-- drivers/net/ethernet/cisco/enic/enic_main.c | 4 +- drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 115 ++++++- drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h | 14 +- .../net/ethernet/freescale/dpaa2/dpaa2-ethtool.c | 18 +- drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h | 6 +- drivers/net/ethernet/freescale/dpaa2/dpni.c | 2 + drivers/net/ethernet/freescale/dpaa2/dpni.h | 6 + drivers/net/ethernet/freescale/enetc/enetc_hw.h | 2 +- drivers/net/ethernet/intel/igc/igc_main.c | 10 + drivers/net/ethernet/sun/niu.c | 31 +- drivers/net/ethernet/sun/niu.h | 4 + drivers/net/wireless/ath/ath6kl/bmi.c | 4 +- drivers/pci/controller/pci-hyperv.c | 17 +- drivers/platform/mellanox/mlxbf-tmfifo.c | 3 +- .../x86/dell/dell-wmi-sysman/dell-wmi-sysman.h | 5 + .../x86/dell/dell-wmi-sysman/enum-attributes.c | 5 +- .../x86/dell/dell-wmi-sysman/int-attributes.c | 5 +- .../x86/dell/dell-wmi-sysman/passobj-attributes.c | 5 +- .../x86/dell/dell-wmi-sysman/string-attributes.c | 5 +- drivers/platform/x86/dell/dell-wmi-sysman/sysman.c | 12 +- drivers/platform/x86/ideapad-laptop.c | 19 +- drivers/platform/x86/think-lmi.c | 18 +- drivers/regulator/devres.c | 192 ++++++++++++ drivers/regulator/gpio-regulator.c | 19 +- drivers/rtc/rtc-cmos.c | 10 +- drivers/s390/crypto/pkey_api.c | 2 +- drivers/scsi/qla2xxx/qla_mbx.c | 2 +- drivers/scsi/qla4xxx/ql4_os.c | 2 + drivers/scsi/ufs/ufs-sysfs.c | 4 +- drivers/spi/spi-fsl-dspi.c | 11 +- drivers/staging/rtl8723bs/core/rtw_security.c | 44 +-- drivers/target/target_core_pr.c | 4 +- drivers/tty/serial/uartlite.c | 25 +- drivers/tty/vt/consolemap.c | 47 +-- drivers/tty/vt/vt.c | 12 +- drivers/uio/uio_hv_generic.c | 10 +- drivers/usb/cdns3/cdnsp-ring.c | 4 +- drivers/usb/class/cdc-wdm.c | 23 +- drivers/usb/common/usb-conn-gpio.c | 25 +- drivers/usb/core/quirks.c | 3 +- drivers/usb/core/usb.c | 14 +- drivers/usb/dwc2/gadget.c | 6 + drivers/usb/gadget/function/f_tcm.c | 4 +- drivers/usb/host/xhci-dbgcap.c | 4 + drivers/usb/host/xhci-dbgtty.c | 1 + drivers/usb/typec/altmodes/displayport.c | 5 +- drivers/video/console/dummycon.c | 24 +- drivers/video/console/mdacon.c | 21 +- drivers/video/console/newport_con.c | 12 +- drivers/video/console/sticon.c | 14 +- drivers/video/console/vgacon.c | 38 +-- drivers/video/fbdev/core/fbcon.c | 336 ++++++++++----------- drivers/video/fbdev/core/fbcon.h | 4 +- drivers/video/fbdev/core/fbmem.c | 43 +-- fs/btrfs/inode.c | 19 +- fs/btrfs/tree-log.c | 4 +- fs/btrfs/volumes.c | 6 + fs/ceph/file.c | 2 +- fs/cifs/misc.c | 8 + fs/f2fs/super.c | 30 +- fs/jfs/jfs_dmap.c | 41 +-- fs/ksmbd/smb2pdu.c | 53 ++-- fs/namespace.c | 8 +- fs/nfs/flexfilelayout/flexfilelayout.c | 121 +++++--- fs/nfs/inode.c | 19 +- fs/nfs/nfs4proc.c | 12 +- fs/nfs/pnfs.c | 4 +- fs/overlayfs/util.c | 4 +- include/dt-bindings/clock/am4.h | 1 + include/linux/console.h | 13 +- include/linux/console_struct.h | 6 +- include/linux/cpu.h | 1 + include/linux/hyperv.h | 2 + include/linux/ipv6.h | 1 - include/linux/regulator/consumer.h | 31 ++ include/linux/regulator/gpio-regulator.h | 2 + include/linux/usb/typec_dp.h | 1 + include/uapi/linux/vm_sockets.h | 4 + kernel/rcu/tree.c | 4 + lib/test_objagg.c | 4 +- net/atm/clip.c | 11 +- net/atm/resources.c | 3 +- net/bluetooth/l2cap_core.c | 9 +- net/core/selftests.c | 5 +- net/ipv6/ip6_output.c | 9 +- net/mac80211/rx.c | 4 + net/mac80211/util.c | 2 +- net/rose/rose_route.c | 15 +- net/sched/sch_api.c | 19 +- net/unix/af_unix.c | 18 +- net/vmw_vsock/vmci_transport.c | 4 +- sound/isa/sb/sb16_main.c | 7 + sound/pci/hda/hda_bind.c | 2 +- sound/pci/hda/hda_intel.c | 3 + sound/soc/codecs/wcd9335.c | 62 ++-- sound/usb/quirks.c | 2 + sound/usb/stream.c | 2 + tools/lib/bpf/btf_dump.c | 3 + 182 files changed, 1971 insertions(+), 847 deletions(-)

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