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WTF: patch "[PATCH] riscv: Remove duplicated GET_RM" was seriously submitted to be applied to the 6.11-stable tree?

by gregkh＠linuxfoundation.org

The patch below was submitted to be applied to the 6.11-stable tree. I fail to see how this patch meets the stable kernel rules as found at Documentation/process/stable-kernel-rules.rst. I could be totally wrong, and if so, please respond to <stable(a)vger.kernel.org> and let me know why this patch should be applied. Otherwise, it is now dropped from my patch queues, never to be seen again. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 164f66de6bb6ef454893f193c898dc8f1da6d18b Mon Sep 17 00:00:00 2001 From: Chunyan Zhang <zhangchunyan(a)iscas.ac.cn> Date: Tue, 8 Oct 2024 17:41:39 +0800 Subject: [PATCH] riscv: Remove duplicated GET_RM The macro GET_RM defined twice in this file, one can be removed. Reviewed-by: Alexandre Ghiti <alexghiti(a)rivosinc.com> Signed-off-by: Chunyan Zhang <zhangchunyan(a)iscas.ac.cn> Fixes: 956d705dd279 ("riscv: Unaligned load/store handling for M_MODE") Cc: stable(a)vger.kernel.org Link: https://lore.kernel.org/r/20241008094141.549248-3-zhangchunyan@iscas.ac.cn Signed-off-by: Palmer Dabbelt <palmer(a)rivosinc.com> diff --git a/arch/riscv/kernel/traps_misaligned.c b/arch/riscv/kernel/traps_misaligned.c index d4fd8af7aaf5..1b9867136b61 100644 --- a/arch/riscv/kernel/traps_misaligned.c +++ b/arch/riscv/kernel/traps_misaligned.c @@ -136,8 +136,6 @@ #define REG_PTR(insn, pos, regs) \ (ulong *)((ulong)(regs) + REG_OFFSET(insn, pos)) -#define GET_RM(insn) (((insn) >> 12) & 7) - #define GET_RS1(insn, regs) (*REG_PTR(insn, SH_RS1, regs)) #define GET_RS2(insn, regs) (*REG_PTR(insn, SH_RS2, regs)) #define GET_RS1S(insn, regs) (*REG_PTR(RVC_RS1S(insn), 0, regs))

3 months, 3 weeks

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FAILED: patch "[PATCH] wifi: iwlwifi: mvm: fix 6 GHz scan construction" failed to apply to 6.6-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.6-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.6.y git checkout FETCH_HEAD git cherry-pick -x 7245012f0f496162dd95d888ed2ceb5a35170f1a # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024110521-antler-uneatable-d873@gregkh' --subject-prefix 'PATCH 6.6.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 7245012f0f496162dd95d888ed2ceb5a35170f1a Mon Sep 17 00:00:00 2001 From: Johannes Berg <johannes.berg(a)intel.com> Date: Wed, 23 Oct 2024 09:17:44 +0200 Subject: [PATCH] wifi: iwlwifi: mvm: fix 6 GHz scan construction If more than 255 colocated APs exist for the set of all APs found during 2.4/5 GHz scanning, then the 6 GHz scan construction will loop forever since the loop variable has type u8, which can never reach the number found when that's bigger than 255, and is stored in a u32 variable. Also move it into the loops to have a smaller scope. Using a u32 there is fine, we limit the number of APs in the scan list and each has a limit on the number of RNR entries due to the frame size. With a limit of 1000 scan results, a frame size upper bound of 4096 (really it's more like ~2300) and a TBTT entry size of at least 11, we get an upper bound for the number of ~372k, well in the bounds of a u32. Cc: stable(a)vger.kernel.org Fixes: eae94cf82d74 ("iwlwifi: mvm: add support for 6GHz") Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219375 Link: https://patch.msgid.link/20241023091744.f4baed5c08a1.I8b417148bbc8c5d11c101… Signed-off-by: Johannes Berg <johannes.berg(a)intel.com> diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c index 3ce9150213a7..ddcbd80a49fb 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c @@ -1774,7 +1774,7 @@ iwl_mvm_umac_scan_cfg_channels_v7_6g(struct iwl_mvm *mvm, &cp->channel_config[ch_cnt]; u32 s_ssid_bitmap = 0, bssid_bitmap = 0, flags = 0; - u8 j, k, n_s_ssids = 0, n_bssids = 0; + u8 k, n_s_ssids = 0, n_bssids = 0; u8 max_s_ssids, max_bssids; bool force_passive = false, found = false, allow_passive = true, unsolicited_probe_on_chan = false, psc_no_listen = false; @@ -1799,7 +1799,7 @@ iwl_mvm_umac_scan_cfg_channels_v7_6g(struct iwl_mvm *mvm, cfg->v5.iter_count = 1; cfg->v5.iter_interval = 0; - for (j = 0; j < params->n_6ghz_params; j++) { + for (u32 j = 0; j < params->n_6ghz_params; j++) { s8 tmp_psd_20; if (!(scan_6ghz_params[j].channel_idx == i)) @@ -1873,7 +1873,7 @@ iwl_mvm_umac_scan_cfg_channels_v7_6g(struct iwl_mvm *mvm, * SSID. * TODO: improve this logic */ - for (j = 0; j < params->n_6ghz_params; j++) { + for (u32 j = 0; j < params->n_6ghz_params; j++) { if (!(scan_6ghz_params[j].channel_idx == i)) continue;

3 months, 3 weeks

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FAILED: patch "[PATCH] RISC-V: disallow gcc + rust builds" failed to apply to 6.11-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.11-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.11.y git checkout FETCH_HEAD git cherry-pick -x 33549fcf37ec461f398f0a41e1c9948be2e5aca4 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024110519-underage-paying-6d38@gregkh' --subject-prefix 'PATCH 6.11.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 33549fcf37ec461f398f0a41e1c9948be2e5aca4 Mon Sep 17 00:00:00 2001 From: Conor Dooley <conor.dooley(a)microchip.com> Date: Tue, 1 Oct 2024 12:28:13 +0100 Subject: [PATCH] RISC-V: disallow gcc + rust builds During the discussion before supporting rust on riscv, it was decided not to support gcc yet, due to differences in extension handling compared to llvm (only the version of libclang matching the c compiler is supported). Recently Jason Montleon reported [1] that building with gcc caused build issues, due to unsupported arguments being passed to libclang. After some discussion between myself and Miguel, it is better to disable gcc + rust builds to match the original intent, and subsequently support it when an appropriate set of extensions can be deduced from the version of libclang. Closes: https://lore.kernel.org/all/20240917000848.720765-2-jmontleo@redhat.com/ [1] Link: https://lore.kernel.org/all/20240926-battering-revolt-6c6a7827413e@spud/ [2] Fixes: 70a57b247251a ("RISC-V: enable building 64-bit kernels with rust support") Cc: stable(a)vger.kernel.org Reported-by: Jason Montleon <jmontleo(a)redhat.com> Signed-off-by: Conor Dooley <conor.dooley(a)microchip.com> Acked-by: Miguel Ojeda <ojeda(a)kernel.org> Reviewed-by: Nathan Chancellor <nathan(a)kernel.org> Link: https://lore.kernel.org/r/20241001-playlist-deceiving-16ece2f440f5@spud Signed-off-by: Palmer Dabbelt <palmer(a)rivosinc.com> diff --git a/Documentation/rust/arch-support.rst b/Documentation/rust/arch-support.rst index 750ff371570a..54be7ddf3e57 100644 --- a/Documentation/rust/arch-support.rst +++ b/Documentation/rust/arch-support.rst @@ -17,7 +17,7 @@ Architecture Level of support Constraints ============= ================ ============================================== ``arm64`` Maintained Little Endian only. ``loongarch`` Maintained \- -``riscv`` Maintained ``riscv64`` only. +``riscv`` Maintained ``riscv64`` and LLVM/Clang only. ``um`` Maintained \- ``x86`` Maintained ``x86_64`` only. ============= ================ ============================================== diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 62545946ecf4..f4c570538d55 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -177,7 +177,7 @@ config RISCV select HAVE_REGS_AND_STACK_ACCESS_API select HAVE_RETHOOK if !XIP_KERNEL select HAVE_RSEQ - select HAVE_RUST if RUSTC_SUPPORTS_RISCV + select HAVE_RUST if RUSTC_SUPPORTS_RISCV && CC_IS_CLANG select HAVE_SAMPLE_FTRACE_DIRECT select HAVE_SAMPLE_FTRACE_DIRECT_MULTI select HAVE_STACKPROTECTOR

3 months, 3 weeks

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FAILED: patch "[PATCH] nilfs2: fix kernel bug due to missing clearing of checked" failed to apply to 4.19-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 4.19-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-4.19.y git checkout FETCH_HEAD git cherry-pick -x 41e192ad2779cae0102879612dfe46726e4396aa # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024110533-dexterous-semantic-aa9e@gregkh' --subject-prefix 'PATCH 4.19.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 41e192ad2779cae0102879612dfe46726e4396aa Mon Sep 17 00:00:00 2001 From: Ryusuke Konishi <konishi.ryusuke(a)gmail.com> Date: Fri, 18 Oct 2024 04:33:10 +0900 Subject: [PATCH] nilfs2: fix kernel bug due to missing clearing of checked flag Syzbot reported that in directory operations after nilfs2 detects filesystem corruption and degrades to read-only, __block_write_begin_int(), which is called to prepare block writes, may fail the BUG_ON check for accesses exceeding the folio/page size, triggering a kernel bug. This was found to be because the "checked" flag of a page/folio was not cleared when it was discarded by nilfs2's own routine, which causes the sanity check of directory entries to be skipped when the directory page/folio is reloaded. So, fix that. This was necessary when the use of nilfs2's own page discard routine was applied to more than just metadata files. Link: https://lkml.kernel.org/r/20241017193359.5051-1-konishi.ryusuke@gmail.com Fixes: 8c26c4e2694a ("nilfs2: fix issue with flush kernel thread after remount in RO mode because of driver's internal error or metadata corruption") Signed-off-by: Ryusuke Konishi <konishi.ryusuke(a)gmail.com> Reported-by: syzbot+d6ca2daf692c7a82f959(a)syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=d6ca2daf692c7a82f959 Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c index 5436eb0424bd..10def4b55995 100644 --- a/fs/nilfs2/page.c +++ b/fs/nilfs2/page.c @@ -401,6 +401,7 @@ void nilfs_clear_folio_dirty(struct folio *folio) folio_clear_uptodate(folio); folio_clear_mappedtodisk(folio); + folio_clear_checked(folio); head = folio_buffers(folio); if (head) {

3 months, 3 weeks

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FAILED: patch "[PATCH] nilfs2: fix kernel bug due to missing clearing of checked" failed to apply to 5.4-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.4-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.4.y git checkout FETCH_HEAD git cherry-pick -x 41e192ad2779cae0102879612dfe46726e4396aa # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024110532-veal-argue-331b@gregkh' --subject-prefix 'PATCH 5.4.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 41e192ad2779cae0102879612dfe46726e4396aa Mon Sep 17 00:00:00 2001 From: Ryusuke Konishi <konishi.ryusuke(a)gmail.com> Date: Fri, 18 Oct 2024 04:33:10 +0900 Subject: [PATCH] nilfs2: fix kernel bug due to missing clearing of checked flag Syzbot reported that in directory operations after nilfs2 detects filesystem corruption and degrades to read-only, __block_write_begin_int(), which is called to prepare block writes, may fail the BUG_ON check for accesses exceeding the folio/page size, triggering a kernel bug. This was found to be because the "checked" flag of a page/folio was not cleared when it was discarded by nilfs2's own routine, which causes the sanity check of directory entries to be skipped when the directory page/folio is reloaded. So, fix that. This was necessary when the use of nilfs2's own page discard routine was applied to more than just metadata files. Link: https://lkml.kernel.org/r/20241017193359.5051-1-konishi.ryusuke@gmail.com Fixes: 8c26c4e2694a ("nilfs2: fix issue with flush kernel thread after remount in RO mode because of driver's internal error or metadata corruption") Signed-off-by: Ryusuke Konishi <konishi.ryusuke(a)gmail.com> Reported-by: syzbot+d6ca2daf692c7a82f959(a)syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=d6ca2daf692c7a82f959 Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c index 5436eb0424bd..10def4b55995 100644 --- a/fs/nilfs2/page.c +++ b/fs/nilfs2/page.c @@ -401,6 +401,7 @@ void nilfs_clear_folio_dirty(struct folio *folio) folio_clear_uptodate(folio); folio_clear_mappedtodisk(folio); + folio_clear_checked(folio); head = folio_buffers(folio); if (head) {

3 months, 3 weeks

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FAILED: patch "[PATCH] nilfs2: fix kernel bug due to missing clearing of checked" failed to apply to 5.15-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y git checkout FETCH_HEAD git cherry-pick -x 41e192ad2779cae0102879612dfe46726e4396aa # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024110530-diligence-author-75bb@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 41e192ad2779cae0102879612dfe46726e4396aa Mon Sep 17 00:00:00 2001 From: Ryusuke Konishi <konishi.ryusuke(a)gmail.com> Date: Fri, 18 Oct 2024 04:33:10 +0900 Subject: [PATCH] nilfs2: fix kernel bug due to missing clearing of checked flag Syzbot reported that in directory operations after nilfs2 detects filesystem corruption and degrades to read-only, __block_write_begin_int(), which is called to prepare block writes, may fail the BUG_ON check for accesses exceeding the folio/page size, triggering a kernel bug. This was found to be because the "checked" flag of a page/folio was not cleared when it was discarded by nilfs2's own routine, which causes the sanity check of directory entries to be skipped when the directory page/folio is reloaded. So, fix that. This was necessary when the use of nilfs2's own page discard routine was applied to more than just metadata files. Link: https://lkml.kernel.org/r/20241017193359.5051-1-konishi.ryusuke@gmail.com Fixes: 8c26c4e2694a ("nilfs2: fix issue with flush kernel thread after remount in RO mode because of driver's internal error or metadata corruption") Signed-off-by: Ryusuke Konishi <konishi.ryusuke(a)gmail.com> Reported-by: syzbot+d6ca2daf692c7a82f959(a)syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=d6ca2daf692c7a82f959 Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c index 5436eb0424bd..10def4b55995 100644 --- a/fs/nilfs2/page.c +++ b/fs/nilfs2/page.c @@ -401,6 +401,7 @@ void nilfs_clear_folio_dirty(struct folio *folio) folio_clear_uptodate(folio); folio_clear_mappedtodisk(folio); + folio_clear_checked(folio); head = folio_buffers(folio); if (head) {

3 months, 3 weeks

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FAILED: patch "[PATCH] nilfs2: fix kernel bug due to missing clearing of checked" failed to apply to 5.10-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.10-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.10.y git checkout FETCH_HEAD git cherry-pick -x 41e192ad2779cae0102879612dfe46726e4396aa # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024110531-wound-perkiness-ed39@gregkh' --subject-prefix 'PATCH 5.10.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 41e192ad2779cae0102879612dfe46726e4396aa Mon Sep 17 00:00:00 2001 From: Ryusuke Konishi <konishi.ryusuke(a)gmail.com> Date: Fri, 18 Oct 2024 04:33:10 +0900 Subject: [PATCH] nilfs2: fix kernel bug due to missing clearing of checked flag Syzbot reported that in directory operations after nilfs2 detects filesystem corruption and degrades to read-only, __block_write_begin_int(), which is called to prepare block writes, may fail the BUG_ON check for accesses exceeding the folio/page size, triggering a kernel bug. This was found to be because the "checked" flag of a page/folio was not cleared when it was discarded by nilfs2's own routine, which causes the sanity check of directory entries to be skipped when the directory page/folio is reloaded. So, fix that. This was necessary when the use of nilfs2's own page discard routine was applied to more than just metadata files. Link: https://lkml.kernel.org/r/20241017193359.5051-1-konishi.ryusuke@gmail.com Fixes: 8c26c4e2694a ("nilfs2: fix issue with flush kernel thread after remount in RO mode because of driver's internal error or metadata corruption") Signed-off-by: Ryusuke Konishi <konishi.ryusuke(a)gmail.com> Reported-by: syzbot+d6ca2daf692c7a82f959(a)syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=d6ca2daf692c7a82f959 Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c index 5436eb0424bd..10def4b55995 100644 --- a/fs/nilfs2/page.c +++ b/fs/nilfs2/page.c @@ -401,6 +401,7 @@ void nilfs_clear_folio_dirty(struct folio *folio) folio_clear_uptodate(folio); folio_clear_mappedtodisk(folio); + folio_clear_checked(folio); head = folio_buffers(folio); if (head) {

3 months, 3 weeks

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FAILED: patch "[PATCH] nilfs2: fix kernel bug due to missing clearing of checked" failed to apply to 6.1-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.1-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.1.y git checkout FETCH_HEAD git cherry-pick -x 41e192ad2779cae0102879612dfe46726e4396aa # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024110530-elastic-reproduce-14c4@gregkh' --subject-prefix 'PATCH 6.1.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 41e192ad2779cae0102879612dfe46726e4396aa Mon Sep 17 00:00:00 2001 From: Ryusuke Konishi <konishi.ryusuke(a)gmail.com> Date: Fri, 18 Oct 2024 04:33:10 +0900 Subject: [PATCH] nilfs2: fix kernel bug due to missing clearing of checked flag Syzbot reported that in directory operations after nilfs2 detects filesystem corruption and degrades to read-only, __block_write_begin_int(), which is called to prepare block writes, may fail the BUG_ON check for accesses exceeding the folio/page size, triggering a kernel bug. This was found to be because the "checked" flag of a page/folio was not cleared when it was discarded by nilfs2's own routine, which causes the sanity check of directory entries to be skipped when the directory page/folio is reloaded. So, fix that. This was necessary when the use of nilfs2's own page discard routine was applied to more than just metadata files. Link: https://lkml.kernel.org/r/20241017193359.5051-1-konishi.ryusuke@gmail.com Fixes: 8c26c4e2694a ("nilfs2: fix issue with flush kernel thread after remount in RO mode because of driver's internal error or metadata corruption") Signed-off-by: Ryusuke Konishi <konishi.ryusuke(a)gmail.com> Reported-by: syzbot+d6ca2daf692c7a82f959(a)syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=d6ca2daf692c7a82f959 Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c index 5436eb0424bd..10def4b55995 100644 --- a/fs/nilfs2/page.c +++ b/fs/nilfs2/page.c @@ -401,6 +401,7 @@ void nilfs_clear_folio_dirty(struct folio *folio) folio_clear_uptodate(folio); folio_clear_mappedtodisk(folio); + folio_clear_checked(folio); head = folio_buffers(folio); if (head) {

3 months, 3 weeks

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FAILED: patch "[PATCH] iio: adc: ad7380: fix supplies for ad7380-4" failed to apply to 6.11-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.11-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.11.y git checkout FETCH_HEAD git cherry-pick -x 05f9c67179c9a8d66dee175fb4b17f380908a26f # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024110504-eloquent-stalling-91df@gregkh' --subject-prefix 'PATCH 6.11.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 05f9c67179c9a8d66dee175fb4b17f380908a26f Mon Sep 17 00:00:00 2001 From: Julien Stephan <jstephan(a)baylibre.com> Date: Tue, 22 Oct 2024 15:22:39 +0200 Subject: [PATCH] iio: adc: ad7380: fix supplies for ad7380-4 ad7380-4 is the only device in the family that does not have an internal reference. It uses "refin" as a required external reference. All other devices in the family use "refio"" as an optional external reference. Fixes: 737413da8704 ("iio: adc: ad7380: add support for ad738x-4 4 channels variants") Reviewed-by: Nuno Sa <nuno.sa(a)analog.com> Reviewed-by: David Lechner <dlechner(a)baylibre.com> Signed-off-by: Julien Stephan <jstephan(a)baylibre.com> Link: https://patch.msgid.link/20241022-ad7380-fix-supplies-v3-4-f0cefe1b7fa6@bay… Cc: <Stable(a)vger.kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron(a)huawei.com> diff --git a/drivers/iio/adc/ad7380.c b/drivers/iio/adc/ad7380.c index b107d8e97ab3..fb728570debe 100644 --- a/drivers/iio/adc/ad7380.c +++ b/drivers/iio/adc/ad7380.c @@ -89,6 +89,7 @@ struct ad7380_chip_info { bool has_mux; const char * const *supplies; unsigned int num_supplies; + bool external_ref_only; const char * const *vcm_supplies; unsigned int num_vcm_supplies; const unsigned long *available_scan_masks; @@ -431,6 +432,7 @@ static const struct ad7380_chip_info ad7380_4_chip_info = { .num_simult_channels = 4, .supplies = ad7380_supplies, .num_supplies = ARRAY_SIZE(ad7380_supplies), + .external_ref_only = true, .available_scan_masks = ad7380_4_channel_scan_masks, .timing_specs = &ad7380_4_timing, }; @@ -1047,17 +1049,31 @@ static int ad7380_probe(struct spi_device *spi) "Failed to enable power supplies\n"); fsleep(T_POWERUP_US); - /* - * If there is no REFIO supply, then it means that we are using - * the internal 2.5V reference, otherwise REFIO is reference voltage. - */ - ret = devm_regulator_get_enable_read_voltage(&spi->dev, "refio"); - if (ret < 0 && ret != -ENODEV) - return dev_err_probe(&spi->dev, ret, - "Failed to get refio regulator\n"); + if (st->chip_info->external_ref_only) { + ret = devm_regulator_get_enable_read_voltage(&spi->dev, + "refin"); + if (ret < 0) + return dev_err_probe(&spi->dev, ret, + "Failed to get refin regulator\n"); - external_ref_en = ret != -ENODEV; - st->vref_mv = external_ref_en ? ret / 1000 : AD7380_INTERNAL_REF_MV; + st->vref_mv = ret / 1000; + + /* these chips don't have a register bit for this */ + external_ref_en = false; + } else { + /* + * If there is no REFIO supply, then it means that we are using + * the internal reference, otherwise REFIO is reference voltage. + */ + ret = devm_regulator_get_enable_read_voltage(&spi->dev, + "refio"); + if (ret < 0 && ret != -ENODEV) + return dev_err_probe(&spi->dev, ret, + "Failed to get refio regulator\n"); + + external_ref_en = ret != -ENODEV; + st->vref_mv = external_ref_en ? ret / 1000 : AD7380_INTERNAL_REF_MV; + } if (st->chip_info->num_vcm_supplies > ARRAY_SIZE(st->vcm_mv)) return dev_err_probe(&spi->dev, -EINVAL,

3 months, 3 weeks

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[PATCH 2/6] PCI: of: Use device_{add,remove}_of_node() to attach of_node to existing device

by Herve Codina

The commit 407d1a51921e ("PCI: Create device tree node for bridge") creates of_node for PCI devices. The newly created of_node is attached to an existing device. This is done setting directly pdev->dev.of_node in the code. Even if pdev->dev.of_node cannot be previously set, this doesn't handle the fwnode field of the struct device. Indeed, this field needs to be set if it hasn't already been set. device_{add,remove}_of_node() have been introduced to handle this case. Use them instead of the direct setting. Fixes: 407d1a51921e ("PCI: Create device tree node for bridge") Cc: stable(a)vger.kernel.org Signed-off-by: Herve Codina <herve.codina(a)bootlin.com> --- drivers/pci/of.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/pci/of.c b/drivers/pci/of.c index dacea3fc5128..141ffbb1b3e6 100644 --- a/drivers/pci/of.c +++ b/drivers/pci/of.c @@ -655,8 +655,8 @@ void of_pci_remove_node(struct pci_dev *pdev) np = pci_device_to_OF_node(pdev); if (!np || !of_node_check_flag(np, OF_DYNAMIC)) return; - pdev->dev.of_node = NULL; + device_remove_of_node(&pdev->dev); of_changeset_revert(np->data); of_changeset_destroy(np->data); of_node_put(np); @@ -713,7 +713,7 @@ void of_pci_make_dev_node(struct pci_dev *pdev) goto out_free_node; np->data = cset; - pdev->dev.of_node = np; + device_add_of_node(&pdev->dev, np); kfree(name); return; -- 2.46.2

3 months, 3 weeks

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