- 13 Oct, 2020 10 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulatorLinus Torvalds authored
Pull regulator updates from Mark Brown: "This is a fairly small release for the regulator API, there's quite a few new devices supported and some important improvements around coupled regulators in the core but mostly just small fixes and improvements otherwise. Summary: - Fixes and cleanups around the handling of coupled regulators. - A special driver for some Raspberry Pi panels with some unusually custom stuff around them. - Support for Qualcomm PM660/PM660L, PM8950 and PM8953, Richtek RT4801 and RTMV20, Rohm BD9576MUF and BD9573MUF" * tag 'regulator-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (89 commits) regulator: bd9576: Fix print regulator: bd9576: fix regulator binfdings dt node names dt-bindings: regulator: document pm8950 and pm8953 smd regulators regulator: qcom_smd: add pm8953 regulators regulator: Make constraint debug processing conditional on DEBUG regulator: qcom: labibb: Constify static structs regulator: dt-bindings: Document the PM660/PM660L PMICs entries regulator: qcom_smd: Add PM660/PM660L regulator support regulator: dt-bindings: Document the PM660/660L SPMI PMIC entries regulator: qcom_spmi: Add PM660/PM660L regulators regulator: qcom_spmi: Add support for new regulator types regulator: core: Enlarge max OF property name length to 64 chars regulator: tps65910: use regmap accessors regulator: rtmv20: Add missing regcache cache only before marked as dirty regulator: rtmv20: Update DT binding document and property name parsing regulator: rtmv20: Add DT-binding document for Richtek RTMV20 regulator: rtmv20: Adds support for Richtek RTMV20 load switch regulator regulator: resolve supply after creating regulator regulator: print symbolic errors in kernel messages regulator: print state at boot ...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmapLinus Torvalds authored
Pull regmap updates from Mark Brown: "Quite a busy release for regmap, mostly support for new features useful on fairly small subsets of devices. The user visible features are: - A new API for registering large numbers of regmap fields at once. - Support for Intel AVMM buses connected via SPI. - Support for 12/20 address/value layouts. - Support for yet another scheme for acknowledging interrupts used on some Qualcomm devices" * tag 'regmap-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: regmap: irq: Add support to clear ack registers regmap: add support to regmap_field_bulk_alloc/free apis regmap: destroy mutex (if used) in regmap_exit() regmap: debugfs: use semicolons rather than commas to separate statements regmap: debugfs: Fix more error path regressions regmap: Add support for 12/20 register formatting regmap: Add can_sleep configuration option regmap: soundwire: remove unused header mod_devicetable.h regmap: Use flexible sleep regmap: add Intel SPI Slave to AVMM Bus Bridge support
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediaLinus Torvalds authored
Pull media updates from Mauro Carvalho Chehab: - the usbvision driver was dropped from staging - the Zoran driver were re-added at staging. It gained lots of improvements, and was converted to use videobuf2 API - a new virtual driver (vidtv) was added in order to allow testing the digital TV framework and APIs - the media uAPI documentation gained a glossary with commonly used terms, helping to simplify some parts of the docs - more cleanups at the atomisp driver - Mediatek VPU gained support for MT8183 - added support for codecs with supports doing colorspace conversion (CSC) - support for CSC API was added at vivid and rksip1 drivers - added a helper core support and uAPI for better supporting H.264 codecs - added support for Renesas R8A774E1 - use the new SPDX GFDL-1.1-no-invariants-or-later license on media uAPI docs, instead of a license text - Venus driver has gained VP9 codec support - lots of other cleanups and driver improvements * tag 'media/v5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (555 commits) media: dvb-frontends/drxk_hard.c: fix uninitialized variable warning media: tvp7002: fix uninitialized variable warning media: s5k5baf: drop 'data' field in struct s5k5baf_fw media: dt-bindings: media: venus: Add an optional power domain for perf voting media: rcar-vin: rcar-dma: Fix setting VNIS_REG for RAW8 formats media: staging: rkisp1: uapi: Do not use BIT() macro media: v4l2-mem2mem: Fix spurious v4l2_m2m_buf_done media: usbtv: Fix refcounting mixup media: zoran.rst: place it at the right place this time media: add Zoran cardlist media: admin-guide: update cardlists media: siano: rename a duplicated card string media: zoran: move documentation file to the right place media: atomisp: fixes build breakage for ISP2400 due to a cleanup media: zoran: fix mixed case on vars media: zoran: get rid of an unused var media: zoran: use upper case for card types media: zoran: fix sparse warnings media: zoran: fix smatch warning media: zoran: update TODO ...
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmcLinus Torvalds authored
Pull MMC updates from Ulf Hansson: "MMC core: - Export SDIO revision and info strings to userspace - Add support for specifying mmc/mmcblk index via mmc aliases in DT MMC host: - Enable support for async probe for all mmc host drivers - Enable compile testing of multiple host drivers - dw_mmc: Enable the Synopsys DesignWare driver for RISCV and CSKY - mtk-sd: Fixup support for CQHCI - owl-mmc: Add support for the actions,s700-mmc variant - renesas_sdhi: Fix regression (temporary) for re-insertion of SD cards - renesas_sdhi: Add support for the r8a774e1 variant - renesas_sdhi/tmio: Improvements for tunings - renesas_sdhi/tmio: Rework support for reset of controller - sdhci-acpi: Fix HS400 tuning for devices with invalid presets on AMDI0040 - sdhci_am654: Improve support for tunings - sdhci_am654: Add support for input tap delays - sdhci_am654: Add workaround for card detect debounce timer - sdhci-am654: Add support for the TI's J7200 variants - sdhci-esdhc-imx: Fix support for manual tuning - sdhci-iproc: Enable support for eMMC DDR 3.3V for bcm2711 - sdhci-msm: Fix stability issues with HS400 for sc7180 - sdhci-of-sparx5: Add Sparx5 SoC eMMC driver - sdhci-of-esdhc: Fixup reference clock source selection - sdhci-pci: Add LTR support for some Intel BYT controllers - sdhci-pci-gli: Add CQHCI Support for GL9763E" * tag 'mmc-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (91 commits) mmc: sdhci_am654: Fix module autoload mmc: renesas_sdhi: workaround a regression when reinserting SD cards mmc: sdhci-pci-gli: Add CQHCI Support for GL9763E mmc: sdhci-acpi: AMDI0040: Set SDHCI_QUIRK2_PRESET_VALUE_BROKEN mmc: sdhci_am654: Enable tuning for SDR50 mmc: sdhci_am654: Add support for software tuning mmc: sdhci_am654: Add support for input tap delay mmc: sdhci_am654: Fix hard coded otap delay array size dt-bindings: mmc: sdhci-am654: Add documentation for input tap delay dt-bindings: mmc: sdhci-am654: Convert sdhci-am654 controller documentation to json schema mmc: sdhci-of-esdhc: fix reference clock source selection mmc: host: fix depends for MMC_MESON_GX w/ COMPILE_TEST mmc: sdhci-s3c: hide forward declaration of of_device_id behind CONFIG_OF mmc: sdhci: fix indentation mistakes mmc: moxart: remove unneeded check for drvdata mmc: renesas_sdhi: drop local flag for tuning mmc: rtsx_usb_sdmmc: simplify the return expression of sd_change_phase() mmc: core: document mmc_hw_reset() mmc: mediatek: Drop pointer to mmc_host from msdc_host dt-bindings: mmc: owl: add compatible string actions,s700-mmc ...
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git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofsLinus Torvalds authored
Pull erofs updates from Gao Xiang: "This cycle addresses a reported permission issue with overlay due to a duplicated permission check for "trusted." xattrs. Also, a REQ_RAHEAD flag is added now to all readahead requests in order to trace readahead I/Os. The others are random cleanups. All commits have been tested and have been in linux-next as well. Summary: - fix an issue which can cause overlay permission problem due to duplicated permission check for "trusted." xattrs; - add REQ_RAHEAD flag to readahead requests for blktrace; - several random cleanup" * tag 'erofs-for-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs: erofs: remove unnecessary enum entries erofs: add REQ_RAHEAD flag to readahead requests erofs: fold in should_decompress_synchronously() erofs: avoid unnecessary variable `err' erofs: remove unneeded parameter erofs: avoid duplicated permission check for "trusted." xattrs
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linuxLinus Torvalds authored
Pull btrfs updates from David Sterba: "Mostly core updates with a few user visible bits and fixes. Hilights: - fsync performance improvements - less contention of log mutex (throughput +4%, latency -14%, dbench with 32 clients) - skip unnecessary commits for link and rename (throughput +6%, latency -30%, rename latency -75%, dbench with 16 clients) - make fast fsync wait only for writeback (throughput +10..40%, runtime -1..-20%, dbench with 1 to 64 clients on various file/block sizes) - direct io is now implemented using the iomap infrastructure, that's the main part, we still have a workaround that requires an iomap API update, coming in 5.10 - new sysfs exports: - information about the exclusive filesystem operation status (balance, device add/remove/replace, ...) - supported send stream version Core: - use ticket space reservations for data, fair policy using the same infrastructure as metadata - preparatory work to switch locking from our custom tree locks to standard rwsem, now the locking context is propagated to all callers, actual switch is expected to happen in the next dev cycle - seed device structures are now using list API - extent tracepoints print proper tree id - unified range checks for extent buffer helpers - send: avoid using temporary buffer for copying data - remove unnecessary RCU protection from space infos - remove unused readpage callback for metadata, enabling several cleanups - replace indirect function calls for end io hooks and remove extent_io_ops completely Fixes: - more lockdep warning fixes - fix qgroup reservation for delayed inode and an occasional reservation leak for preallocated files - fix device replace of a seed device - fix metadata reservation for fallocate that leads to transaction aborts - reschedule if necessary when logging directory items or when cloning lots of extents - tree-checker: fix false alert caused by legacy btrfs root item - send: fix rename/link conflicts for orphanized inodes - properly initialize device stats for seed devices - skip devices without magic signature when mounting Other: - error handling improvements, BUG_ONs replaced by proper handling, fuzz fixes - various function parameter cleanups - various W=1 cleanups - error/info messages improved Mishaps: - commit 62cf5391 ("btrfs: move btrfs_rm_dev_replace_free_srcdev outside of all locks") is a rebase leftover after the patch got merged to 5.9-rc8 as a466c85e ("btrfs: move btrfs_rm_dev_replace_free_srcdev outside of all locks"), the remaining part is trivial and the patch is in the middle of the series so I'm keeping it there instead of rebasing" * tag 'for-5.10-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (161 commits) btrfs: rename BTRFS_INODE_ORDERED_DATA_CLOSE flag btrfs: annotate device name rcu_string with __rcu btrfs: skip devices without magic signature when mounting btrfs: cleanup cow block on error btrfs: remove BTRFS_INODE_READDIO_NEED_LOCK fs: remove no longer used dio_end_io() btrfs: return error if we're unable to read device stats btrfs: init device stats for seed devices btrfs: remove struct extent_io_ops btrfs: call submit_bio_hook directly for metadata pages btrfs: stop calling submit_bio_hook for data inodes btrfs: don't opencode is_data_inode in end_bio_extent_readpage btrfs: call submit_bio_hook directly in submit_one_bio btrfs: remove extent_io_ops::readpage_end_io_hook btrfs: replace readpage_end_io_hook with direct calls btrfs: send, recompute reference path after orphanization of a directory btrfs: send, orphanize first all conflicting inodes when processing references btrfs: tree-checker: fix false alert caused by legacy btrfs root item btrfs: use unaligned helpers for stack and header set/get helpers btrfs: free-space-cache: use unaligned helpers to access data ...
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git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlmLinus Torvalds authored
Pull dlm updates from David Teigland: "This set continues the ongoing rework of the low level communication layer in the dlm. The focus here is on improvements to connection handling, and reworking the receiving of messages" * tag 'dlm-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm: fs: dlm: fix race in nodeid2con fs: dlm: rework receive handling fs: dlm: disallow buffer size below default fs: dlm: handle range check as callback fs: dlm: fix mark per nodeid setting fs: dlm: remove lock dependency warning fs: dlm: use free_con to free connection fs: dlm: handle possible othercon writequeues fs: dlm: move free writequeue into con free fs: dlm: fix configfs memory leak fs: dlm: fix dlm_local_addr memory leak fs: dlm: make connection hash lockless fs: dlm: synchronize dlm before shutdown
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git://git.kernel.org/pub/scm/fs/fscrypt/fscryptLinus Torvalds authored
Pull fscrypt updates from Eric Biggers: "This release, we rework the implementation of creating new encrypted files in order to fix some deadlocks and prepare for adding fscrypt support to CephFS, which Jeff Layton is working on. We also export a symbol in preparation for the above-mentioned CephFS support and also for ext4/f2fs encrypt+casefold support. Finally, there are a few other small cleanups. As usual, all these patches have been in linux-next with no reported issues, and I've tested them with xfstests" * tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt: fscrypt: export fscrypt_d_revalidate() fscrypt: rename DCACHE_ENCRYPTED_NAME to DCACHE_NOKEY_NAME fscrypt: don't call no-key names "ciphertext names" fscrypt: use sha256() instead of open coding fscrypt: make fscrypt_set_test_dummy_encryption() take a 'const char *' fscrypt: handle test_dummy_encryption in more logical way fscrypt: move fscrypt_prepare_symlink() out-of-line fscrypt: make "#define fscrypt_policy" user-only fscrypt: stop pretending that key setup is nofs-safe fscrypt: require that fscrypt_encrypt_symlink() already has key fscrypt: remove fscrypt_inherit_context() fscrypt: adjust logging for in-creation inodes ubifs: use fscrypt_prepare_new_inode() and fscrypt_set_context() f2fs: use fscrypt_prepare_new_inode() and fscrypt_set_context() ext4: use fscrypt_prepare_new_inode() and fscrypt_set_context() ext4: factor out ext4_xattr_credits_for_new_inode() fscrypt: add fscrypt_prepare_new_inode() and fscrypt_set_context() fscrypt: restrict IV_INO_LBLK_32 to ino_bits <= 32 fscrypt: drop unused inode argument from fscrypt_fname_alloc_buffer
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds authored
Pull crypto updates from Herbert Xu: "API: - Allow DRBG testing through user-space af_alg - Add tcrypt speed testing support for keyed hashes - Add type-safe init/exit hooks for ahash Algorithms: - Mark arc4 as obsolete and pending for future removal - Mark anubis, khazad, sead and tea as obsolete - Improve boot-time xor benchmark - Add OSCCA SM2 asymmetric cipher algorithm and use it for integrity Drivers: - Fixes and enhancement for XTS in caam - Add support for XIP8001B hwrng in xiphera-trng - Add RNG and hash support in sun8i-ce/sun8i-ss - Allow imx-rngc to be used by kernel entropy pool - Use crypto engine in omap-sham - Add support for Ingenic X1830 with ingenic" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (205 commits) X.509: Fix modular build of public_key_sm2 crypto: xor - Remove unused variable count in do_xor_speed X.509: fix error return value on the failed path crypto: bcm - Verify GCM/CCM key length in setkey crypto: qat - drop input parameter from adf_enable_aer() crypto: qat - fix function parameters descriptions crypto: atmel-tdes - use semicolons rather than commas to separate statements crypto: drivers - use semicolons rather than commas to separate statements hwrng: mxc-rnga - use semicolons rather than commas to separate statements hwrng: iproc-rng200 - use semicolons rather than commas to separate statements hwrng: stm32 - use semicolons rather than commas to separate statements crypto: xor - use ktime for template benchmarking crypto: xor - defer load time benchmark to a later time crypto: hisilicon/zip - fix the uninitalized 'curr_qm_qp_num' crypto: hisilicon/zip - fix the return value when device is busy crypto: hisilicon/zip - fix zero length input in GZIP decompress crypto: hisilicon/zip - fix the uncleared debug registers lib/mpi: Fix unused variable warnings crypto: x86/poly1305 - Remove assignments with no effect hwrng: npcm - modify readl to readb ...
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Nick Desaulniers authored
Clang-11 shipped support for outputs to asm goto statments along the fallthrough path. Double up some of the get_user() and related macros to be able to take advantage of this extended GNU C extension. This should help improve the generated code's performance for these accesses. Cc: Bill Wendling <morbo@google.com> Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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- 12 Oct, 2020 30 commits
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Linus Torvalds authored
Instead of inlining the stac/mov/clac sequence (which also requires individual exception table entries and several asm instruction alternatives entries), just generate "call __put_user_nocheck_X" for the __put_user() cases, the same way we changed __get_user earlier. Unlike the get_user() case, we didn't have the same nice infrastructure to just generate the call with a single case, so this actually has to change some of the infrastructure in order to do this. But that only cleans up the code further. So now, instead of using a case statement for the sizes, we just do the same thing we've done on the get_user() side for a long time: use the size as an immediate constant to the asm, and generate the asm that way directly. In order to handle the special case of 64-bit data on a 32-bit kernel, I needed to change the calling convention slightly: the data is passed in %eax[:%edx], the pointer in %ecx, and the return value is also returned in %ecx. It used to be returned in %eax, but because of how %eax can now be a double register input, we don't want mix that with a single-register output. The actual low-level asm is easier to handle: we'll just share the code between the checking and non-checking case, with the non-checking case jumping into the middle of the function. That may sound a bit too special, but this code is all very very special anyway, so... Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Linus Torvalds authored
Instead of inlining the whole stac/lfence/mov/clac sequence (which also requires individual exception table entries and several asm instruction alternatives entries), just generate "call __get_user_nocheck_X" for the __get_user() cases. We can use all the same infrastructure that we already do for the regular "get_user()", and the end result is simpler source code, and much simpler code generation. It also means that when I introduce asm goto with input for "unsafe_get_user()", there are no nasty interactions with the __get_user() code. Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linuxLinus Torvalds authored
Pull file locking fix from Jeff Layton: "Just a single patch to fix up some tracepoint output" * tag 'locks-v5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux: locks: Remove extra "0x" in tracepoint format specifier
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds authored
Pull compat mount cleanups from Al Viro: "The last remnants of mount(2) compat buried by Christoph. Buried into NFS, that is. Generally I'm less enthusiastic about "let's use in_compat_syscall() deep in call chain" kind of approach than Christoph seems to be, but in this case it's warranted - that had been an NFS-specific wart, hopefully not to be repeated in any other filesystems (read: any new filesystem introducing non-text mount options will get NAKed even if it doesn't mess the layout up). IOW, not worth trying to grow an infrastructure that would avoid that use of in_compat_syscall()..." * 'compat.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: fs: remove compat_sys_mount fs,nfs: lift compat nfs4 mount data handling into the nfs code nfs: simplify nfs4_parse_monolithic
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds authored
Pull compat quotactl cleanups from Al Viro: "More Christoph's compat cleanups: quotactl(2)" * 'work.quota-compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: quota: simplify the quotactl compat handling compat: add a compat_need_64bit_alignment_fixup() helper compat: lift compat_s64 and compat_u64 to <asm-generic/compat.h>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds authored
Pull compat iovec cleanups from Al Viro: "Christoph's series around import_iovec() and compat variant thereof" * 'work.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: security/keys: remove compat_keyctl_instantiate_key_iov mm: remove compat_process_vm_{readv,writev} fs: remove compat_sys_vmsplice fs: remove the compat readv/writev syscalls fs: remove various compat readv/writev helpers iov_iter: transparently handle compat iovecs in import_iovec iov_iter: refactor rw_copy_check_uvector and import_iovec iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c compat.h: fix a spelling error in <linux/compat.h>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds authored
Pull copy_and_csum cleanups from Al Viro: "Saner calling conventions for csum_and_copy_..._user() and friends" [ Removing 800+ lines of code and cleaning stuff up is good - Linus ] * 'work.csum_and_copy' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: ppc: propagate the calling conventions change down to csum_partial_copy_generic() amd64: switch csum_partial_copy_generic() to new calling conventions sparc64: propagate the calling convention changes down to __csum_partial_copy_...() xtensa: propagate the calling conventions change down into csum_partial_copy_generic() mips: propagate the calling convention change down into __csum_partial_copy_..._user() mips: __csum_partial_copy_kernel() has no users left mips: csum_and_copy_{to,from}_user() are never called under KERNEL_DS sparc32: propagate the calling conventions change down to __csum_partial_copy_sparc_generic() i386: propagate the calling conventions change down to csum_partial_copy_generic() sh: propage the calling conventions change down to csum_partial_copy_generic() m68k: get rid of zeroing destination on error in csum_and_copy_from_user() arm: propagate the calling convention changes down to csum_partial_copy_from_user() alpha: propagate the calling convention changes down to csum_partial_copy.c helpers saner calling conventions for csum_and_copy_..._user() csum_and_copy_..._user(): pass 0xffffffff instead of 0 as initial sum csum_partial_copy_nocheck(): drop the last argument unify generic instances of csum_partial_copy_nocheck() icmp_push_reply(): reorder adding the checksum up skb_copy_and_csum_bits(): don't bother with the last argument
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git://git.lwn.net/linuxLinus Torvalds authored
Pull documentation updates from Jonathan Corbet: "As hoped, things calmed down for docs this cycle; fewer changes and almost no conflicts at all. This includes: - A reworked and expanded user-mode Linux document - Some simplifications and improvements for submitting-patches.rst - An emergency fix for (some) problems with Sphinx 3.x - Some welcome automarkup improvements to automatically generate cross-references to struct definitions and other documents - The usual collection of translation updates, typo fixes, etc" * tag 'docs-5.10' of git://git.lwn.net/linux: (81 commits) gpiolib: Update indentation in driver.rst for code excerpts Documentation/admin-guide: tainted-kernels: Fix typo occured Documentation: better locations for sysfs-pci, sysfs-tagging docs: programming-languages: refresh blurb on clang support Documentation: kvm: fix a typo Documentation: Chinese translation of Documentation/arm64/amu.rst doc: zh_CN: index files in arm64 subdirectory mailmap: add entry for <mstarovoitov@marvell.com> doc: seq_file: clarify role of *pos in ->next() docs: trace: ring-buffer-design.rst: use the new SPDX tag Documentation: kernel-parameters: clarify "module." parameters Fix references to nommu-mmap.rst docs: rewrite admin-guide/sysctl/abi.rst docs: fb: Remove vesafb scrollback boot option docs: fb: Remove sstfb scrollback boot option docs: fb: Remove matroxfb scrollback boot option docs: fb: Remove framebuffer scrollback boot option docs: replace the old User Mode Linux HowTo with a new one Documentation/admin-guide: blockdev/ramdisk: remove use of "rdev" Documentation/admin-guide: README & svga: remove use of "rdev" ...
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linuxLinus Torvalds authored
Pull ia64 updates from Tony Luck: "Cleanups by Christoph: - Switch to libata instead of legacy ide driver - Drop ia64 perfmon (it's been broken for a while)" * tag 'ia64_for_5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux: ia64: Use libata instead of the legacy ide driver in defconfigs ia64: Remove perfmon
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 Hyper-V update from Ingo Molnar: "A single commit harmonizing the x86 and ARM64 Hyper-V constants namespace" * tag 'x86-hyperv-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/hyperv: Remove aliases with X64 in their name
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 paravirt cleanup from Ingo Molnar: "Clean up the paravirt code after the removal of 32-bit Xen PV support" * tag 'x86-paravirt-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/paravirt: Avoid needless paravirt step clearing page table entries x86/paravirt: Remove set_pte_at() pv-op x86/entry/32: Simplify CONFIG_XEN_PV build dependency x86/paravirt: Use CONFIG_PARAVIRT_XXL instead of CONFIG_PARAVIRT x86/paravirt: Clean up paravirt macros x86/paravirt: Remove 32-bit support from CONFIG_PARAVIRT_XXL
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 build update from Ingo Molnar: "Remove a couple of ancient and distracting printouts from the x86 build, such as the CRC sum or limited size data - most of which can be gained via tools" * tag 'x86-build-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/build: Declutter the build output
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 mm updates from Ingo Molnar: "Do not sync vmalloc/ioremap mappings on x86-64 kernels. Hopefully now without the bugs!" * tag 'x86-mm-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mm/64: Update comment in preallocate_vmalloc_pages() x86/mm/64: Do not sync vmalloc/ioremap mappings
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 kaslr updates from Ingo Molnar: "This cleans up and simplifies the x86 KASLR code, and also fixes some corner case bugs" * tag 'x86-kaslr-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (22 commits) x86/kaslr: Replace strlen() with strnlen() x86/kaslr: Add a check that the random address is in range x86/kaslr: Make local variables 64-bit x86/kaslr: Replace 'unsigned long long' with 'u64' x86/kaslr: Make minimum/image_size 'unsigned long' x86/kaslr: Small cleanup of find_random_phys_addr() x86/kaslr: Drop unnecessary alignment in find_random_virt_addr() x86/kaslr: Drop redundant check in store_slot_info() x86/kaslr: Make the type of number of slots/slot areas consistent x86/kaslr: Drop test for command-line parameters before parsing x86/kaslr: Simplify process_gb_huge_pages() x86/kaslr: Short-circuit gb_huge_pages on x86-32 x86/kaslr: Fix off-by-one error in process_gb_huge_pages() x86/kaslr: Drop some redundant checks from __process_mem_region() x86/kaslr: Drop redundant variable in __process_mem_region() x86/kaslr: Eliminate 'start_orig' local variable from __process_mem_region() x86/kaslr: Drop redundant cur_entry from __process_mem_region() x86/kaslr: Fix off-by-one error in __process_mem_region() x86/kaslr: Initialize mem_limit to the real maximum address x86/kaslr: Fix process_efi_entries comment ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull perf/kprobes updates from Ingo Molnar: "This prepares to unify the kretprobe trampoline handler and make kretprobe lockless (those patches are still work in progress)" * tag 'perf-kprobes-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: kprobes: Fix to check probe enabled before disarm_kprobe_ftrace() kprobes: Make local functions static kprobes: Free kretprobe_instance with RCU callback kprobes: Remove NMI context check sparc: kprobes: Use generic kretprobe trampoline handler sh: kprobes: Use generic kretprobe trampoline handler s390: kprobes: Use generic kretprobe trampoline handler powerpc: kprobes: Use generic kretprobe trampoline handler parisc: kprobes: Use generic kretprobe trampoline handler mips: kprobes: Use generic kretprobe trampoline handler ia64: kprobes: Use generic kretprobe trampoline handler csky: kprobes: Use generic kretprobe trampoline handler arc: kprobes: Use generic kretprobe trampoline handler arm64: kprobes: Use generic kretprobe trampoline handler arm: kprobes: Use generic kretprobe trampoline handler x86/kprobes: Use generic kretprobe trampoline handler kprobes: Add generic kretprobe trampoline handler
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull performance events updates from Ingo Molnar: "x86 Intel updates: - Add Jasper Lake support - Add support for TopDown metrics on Ice Lake - Fix Ice Lake & Tiger Lake uncore support, add Snow Ridge support - Add a PCI sub driver to support uncore PMUs where the PCI resources have been claimed already - extending the range of supported systems. x86 AMD updates: - Restore 'perf stat -a' behaviour to program the uncore PMU to count all CPU threads. - Fix setting the proper count when sampling Large Increment per Cycle events / 'paired' events. - Fix IBS Fetch sampling on F17h and some other IBS fine tuning, greatly reducing the number of interrupts when large sample periods are specified. - Extends Family 17h RAPL support to also work on compatible F19h machines. Core code updates: - Fix race in perf_mmap_close() - Add PERF_EV_CAP_SIBLING, to denote that sibling events should be closed if the leader is removed. - Smaller fixes and updates" * tag 'perf-core-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (45 commits) perf/core: Fix race in the perf_mmap_close() function perf/x86: Fix n_metric for cancelled txn perf/x86: Fix n_pair for cancelled txn x86/events/amd/iommu: Fix sizeof mismatch perf/x86/intel: Check perf metrics feature for each CPU perf/x86/intel: Fix Ice Lake event constraint table perf/x86/intel/uncore: Fix the scale of the IMC free-running events perf/x86/intel/uncore: Fix for iio mapping on Skylake Server perf/x86/msr: Add Jasper Lake support perf/x86/intel: Add Jasper Lake support perf/x86/intel/uncore: Reduce the number of CBOX counters perf/x86/intel/uncore: Update Ice Lake uncore units perf/x86/intel/uncore: Split the Ice Lake and Tiger Lake MSR uncore support perf/x86/intel/uncore: Support PCIe3 unit on Snow Ridge perf/x86/intel/uncore: Generic support for the PCI sub driver perf/x86/intel/uncore: Factor out uncore_pci_pmu_unregister() perf/x86/intel/uncore: Factor out uncore_pci_pmu_register() perf/x86/intel/uncore: Factor out uncore_pci_find_dev_pmu() perf/x86/intel/uncore: Factor out uncore_pci_get_dev_die_info() perf/amd/uncore: Inform the user how many counters each uncore PMU has ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull static call support from Ingo Molnar: "This introduces static_call(), which is the idea of static_branch() applied to indirect function calls. Remove a data load (indirection) by modifying the text. They give the flexibility of function pointers, but with better performance. (This is especially important for cases where retpolines would otherwise be used, as retpolines can be pretty slow.) API overview: DECLARE_STATIC_CALL(name, func); DEFINE_STATIC_CALL(name, func); DEFINE_STATIC_CALL_NULL(name, typename); static_call(name)(args...); static_call_cond(name)(args...); static_call_update(name, func); x86 is supported via text patching, otherwise basic indirect calls are used, with function pointers. There's a second variant using inline code patching, inspired by jump-labels, implemented on x86 as well. The new APIs are utilized in the x86 perf code, a heavy user of function pointers, where static calls speed up the PMU handler by 4.2% (!). The generic implementation is not really excercised on other architectures, outside of the trivial test_static_call_init() self-test" * tag 'core-static_call-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits) static_call: Fix return type of static_call_init tracepoint: Fix out of sync data passing by static caller tracepoint: Fix overly long tracepoint names x86/perf, static_call: Optimize x86_pmu methods tracepoint: Optimize using static_call() static_call: Allow early init static_call: Add some validation static_call: Handle tail-calls static_call: Add static_call_cond() x86/alternatives: Teach text_poke_bp() to emulate RET static_call: Add simple self-test for static calls x86/static_call: Add inline static call implementation for x86-64 x86/static_call: Add out-of-line static call implementation static_call: Avoid kprobes on inline static_call()s static_call: Add inline static call infrastructure static_call: Add basic static call infrastructure compiler.h: Make __ADDRESSABLE() symbol truly unique jump_label,module: Fix module lifetime for __jump_label_mod_text_reserved() module: Properly propagate MODULE_STATE_COMING failure module: Fix up module_notifier return values ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull orphan section checking from Ingo Molnar: "Orphan link sections were a long-standing source of obscure bugs, because the heuristics that various linkers & compilers use to handle them (include these bits into the output image vs discarding them silently) are both highly idiosyncratic and also version dependent. Instead of this historically problematic mess, this tree by Kees Cook (et al) adds build time asserts and build time warnings if there's any orphan section in the kernel or if a section is not sized as expected. And because we relied on so many silent assumptions in this area, fix a metric ton of dependencies and some outright bugs related to this, before we can finally enable the checks on the x86, ARM and ARM64 platforms" * tag 'core-build-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (36 commits) x86/boot/compressed: Warn on orphan section placement x86/build: Warn on orphan section placement arm/boot: Warn on orphan section placement arm/build: Warn on orphan section placement arm64/build: Warn on orphan section placement x86/boot/compressed: Add missing debugging sections to output x86/boot/compressed: Remove, discard, or assert for unwanted sections x86/boot/compressed: Reorganize zero-size section asserts x86/build: Add asserts for unwanted sections x86/build: Enforce an empty .got.plt section x86/asm: Avoid generating unused kprobe sections arm/boot: Handle all sections explicitly arm/build: Assert for unwanted sections arm/build: Add missing sections arm/build: Explicitly keep .ARM.attributes sections arm/build: Refactor linker script headers arm64/build: Assert for unwanted sections arm64/build: Add missing DWARF sections arm64/build: Use common DISCARDS in linker script arm64/build: Remove .eh_frame* sections due to unwind tables ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull EFI changes from Ingo Molnar: - Preliminary RISC-V enablement - the bulk of it will arrive via the RISCV tree. - Relax decompressed image placement rules for 32-bit ARM - Add support for passing MOK certificate table contents via a config table rather than a EFI variable. - Add support for 18 bit DIMM row IDs in the CPER records. - Work around broken Dell firmware that passes the entire Boot#### variable contents as the command line - Add definition of the EFI_MEMORY_CPU_CRYPTO memory attribute so we can identify it in the memory map listings. - Don't abort the boot on arm64 if the EFI RNG protocol is available but returns with an error - Replace slashes with exclamation marks in efivarfs file names - Split efi-pstore from the deprecated efivars sysfs code, so we can disable the latter on !x86. - Misc fixes, cleanups and updates. * tag 'efi-core-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (26 commits) efi: mokvar: add missing include of asm/early_ioremap.h efi: efivars: limit availability to X86 builds efi: remove some false dependencies on CONFIG_EFI_VARS efi: gsmi: fix false dependency on CONFIG_EFI_VARS efi: efivars: un-export efivars_sysfs_init() efi: pstore: move workqueue handling out of efivars efi: pstore: disentangle from deprecated efivars module efi: mokvar-table: fix some issues in new code efi/arm64: libstub: Deal gracefully with EFI_RNG_PROTOCOL failure efivarfs: Replace invalid slashes with exclamation marks in dentries. efi: Delete deprecated parameter comments efi/libstub: Fix missing-prototypes in string.c efi: Add definition of EFI_MEMORY_CPU_CRYPTO and ability to report it cper,edac,efi: Memory Error Record: bank group/address and chip id edac,ghes,cper: Add Row Extension to Memory Error Record efi/x86: Add a quirk to support command line arguments on Dell EFI firmware efi/libstub: Add efi_warn and *_once logging helpers integrity: Load certs from the EFI MOK config table integrity: Move import of MokListRT certs to a separate routine efi: Support for MOK variable config table ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull locking updates from Ingo Molnar: "These are the locking updates for v5.10: - Add deadlock detection for recursive read-locks. The rationale is outlined in commit 224ec489 ("lockdep/ Documention: Recursive read lock detection reasoning") The main deadlock pattern we want to detect is: TASK A: TASK B: read_lock(X); write_lock(X); read_lock_2(X); - Add "latch sequence counters" (seqcount_latch_t): A sequence counter variant where the counter even/odd value is used to switch between two copies of protected data. This allows the read path, typically NMIs, to safely interrupt the write side critical section. We utilize this new variant for sched-clock, and to make x86 TSC handling safer. - Other seqlock cleanups, fixes and enhancements - KCSAN updates - LKMM updates - Misc updates, cleanups and fixes" * tag 'locking-core-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (67 commits) lockdep: Revert "lockdep: Use raw_cpu_*() for per-cpu variables" lockdep: Fix lockdep recursion lockdep: Fix usage_traceoverflow locking/atomics: Check atomic-arch-fallback.h too locking/seqlock: Tweak DEFINE_SEQLOCK() kernel doc lockdep: Optimize the memory usage of circular queue seqlock: Unbreak lockdep seqlock: PREEMPT_RT: Do not starve seqlock_t writers seqlock: seqcount_LOCKNAME_t: Introduce PREEMPT_RT support seqlock: seqcount_t: Implement all read APIs as statement expressions seqlock: Use unique prefix for seqcount_t property accessors seqlock: seqcount_LOCKNAME_t: Standardize naming convention seqlock: seqcount latch APIs: Only allow seqcount_latch_t rbtree_latch: Use seqcount_latch_t x86/tsc: Use seqcount_latch_t timekeeping: Use seqcount_latch_t time/sched_clock: Use seqcount_latch_t seqlock: Introduce seqcount_latch_t mm/swap: Do not abuse the seqcount_t latching API time/sched_clock: Use raw_read_seqcount_latch() during suspend ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull scheduler updates from Ingo Molnar: - reorganize & clean up the SD* flags definitions and add a bunch of sanity checks. These new checks caught quite a few bugs or at least inconsistencies, resulting in another set of patches. - rseq updates, add MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ - add a new tracepoint to improve CPU capacity tracking - improve overloaded SMP system load-balancing behavior - tweak SMT balancing - energy-aware scheduling updates - NUMA balancing improvements - deadline scheduler fixes and improvements - CPU isolation fixes - misc cleanups, simplifications and smaller optimizations * tag 'sched-core-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (42 commits) sched/deadline: Unthrottle PI boosted threads while enqueuing sched/debug: Add new tracepoint to track cpu_capacity sched/fair: Tweak pick_next_entity() rseq/selftests: Test MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ rseq/selftests,x86_64: Add rseq_offset_deref_addv() rseq/membarrier: Add MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ sched/fair: Use dst group while checking imbalance for NUMA balancer sched/fair: Reduce busy load balance interval sched/fair: Minimize concurrent LBs between domain level sched/fair: Reduce minimal imbalance threshold sched/fair: Relax constraint on task's load during load balance sched/fair: Remove the force parameter of update_tg_load_avg() sched/fair: Fix wrong cpu selecting from isolated domain sched: Remove unused inline function uclamp_bucket_base_value() sched/rt: Disable RT_RUNTIME_SHARE by default sched/deadline: Fix stale throttling on de-/boosted tasks sched/numa: Use runnable_avg to classify node sched/topology: Move sd_flag_debug out of #ifdef CONFIG_SYSCTL MAINTAINERS: Add myself as SCHED_DEADLINE reviewer sched/topology: Move SD_DEGENERATE_GROUPS_MASK out of linux/sched/topology.h ...
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Andy Shevchenko authored
When TABs are being used to indent the code excerpts inside the bullet lists some of the tools [vim in particular] fail to recognize it and continue interpreting the special characters inside the quoted excerpt. Update indentation in driver.rst for code excerpts to avoid their special interpretation. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20201007143817.76335-1-andriy.shevchenko@linux.intel.comSigned-off-by: Jonathan Corbet <corbet@lwn.net>
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Naoki Hayama authored
Fix typo. s/occured/occurred/ Signed-off-by: Naoki Hayama <naoki.hayama@lineo.co.jp> Link: https://lore.kernel.org/r/20201012082441.5831-1-naoki.hayama@lineo.co.jpSigned-off-by: Jonathan Corbet <corbet@lwn.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 entry code updates from Thomas Gleixner: "More consolidation and correctness fixes for the debug exception: - Ensure BTF synchronization under all circumstances - Distangle kernel and user mode #DB further - Get ordering vs. the debug notifier correct to make KGDB work more reliably. - Cleanup historical gunk and make the code simpler to understand" * tag 'x86-entry-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/debug: Change thread.debugreg6 to thread.virtual_dr6 x86/debug: Support negative polarity DR6 bits x86/debug: Simplify hw_breakpoint_handler() x86/debug: Remove aout_dump_debugregs() x86/debug: Remove the historical junk x86/debug: Move cond_local_irq_enable() block into exc_debug_user() x86/debug: Move historical SYSENTER junk into exc_debug_kernel() x86/debug: Simplify #DB signal code x86/debug: Remove handle_debug(.user) argument x86/debug: Move kprobe_debug_handler() into exc_debug_kernel() x86/debug: Sync BTF earlier
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 irq updates from Thomas Gleixner: "Surgery of the MSI interrupt handling to prepare the support of upcoming devices which require non-PCI based MSI handling: - Cleanup historical leftovers all over the place - Rework the code to utilize more core functionality - Wrap XEN PCI/MSI interrupts into an irqdomain to make irqdomain assignment to PCI devices possible. - Assign irqdomains to PCI devices at initialization time which allows to utilize the full functionality of hierarchical irqdomains. - Remove arch_.*_msi_irq() functions from X86 and utilize the irqdomain which is assigned to the device for interrupt management. - Make the arch_.*_msi_irq() support conditional on a config switch and let the last few users select it" * tag 'x86-irq-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (40 commits) PCI: MSI: Fix Kconfig dependencies for PCI_MSI_ARCH_FALLBACKS x86/apic/msi: Unbreak DMAR and HPET MSI iommu/amd: Remove domain search for PCI/MSI iommu/vt-d: Remove domain search for PCI/MSI[X] x86/irq: Make most MSI ops XEN private x86/irq: Cleanup the arch_*_msi_irqs() leftovers PCI/MSI: Make arch_.*_msi_irq[s] fallbacks selectable x86/pci: Set default irq domain in pcibios_add_device() iommm/amd: Store irq domain in struct device iommm/vt-d: Store irq domain in struct device x86/xen: Wrap XEN MSI management into irqdomain irqdomain/msi: Allow to override msi_domain_alloc/free_irqs() x86/xen: Consolidate XEN-MSI init x86/xen: Rework MSI teardown x86/xen: Make xen_msi_init() static and rename it to xen_hvm_msi_init() PCI/MSI: Provide pci_dev_has_special_msi_domain() helper PCI_vmd_Mark_VMD_irqdomain_with_DOMAIN_BUS_VMD_MSI irqdomain/msi: Provide DOMAIN_BUS_VMD_MSI x86/irq: Initialize PCI/MSI domain at PCI init time x86/pci: Reducde #ifdeffery in PCI init code ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull irq updates from Thomas Gleixner: "Updates for the interrupt subsystem: Core: - Allow trimming of interrupt hierarchy to support odd hardware setups where only a subset of the interrupts requires the full hierarchy. - Allow the retrigger mechanism to follow a hierarchy to simplify driver code. - Provide a mechanism to force enable wakeup interrrupts on suspend. - More infrastructure to handle IPIs in the core code Architectures: - Convert ARM/ARM64 IPI handling to utilize the interrupt core code. Drivers: - The usual pile of new interrupt chips (MStar, Actions Owl, TI PRUSS, Designware ICTL) - ARM(64) IPI related conversions - Wakeup support for Qualcom PDC - Prevent hierarchy corruption in the NVIDIA Tegra driver - The usual small fixes, improvements and cleanups all over the place" * tag 'irq-core-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (59 commits) dt-bindings: interrupt-controller: Add MStar interrupt controller irqchip/irq-mst: Add MStar interrupt controller support soc/tegra: pmc: Don't create fake interrupt hierarchy levels soc/tegra: pmc: Allow optional irq parent callbacks gpio: tegra186: Allow optional irq parent callbacks genirq/irqdomain: Allow partial trimming of irq_data hierarchy irqchip/qcom-pdc: Reset PDC interrupts during init irqchip/qcom-pdc: Set IRQCHIP_ENABLE_WAKEUP_ON_SUSPEND flag pinctrl: qcom: Set IRQCHIP_ENABLE_WAKEUP_ON_SUSPEND flag genirq/PM: Introduce IRQCHIP_ENABLE_WAKEUP_ON_SUSPEND flag pinctrl: qcom: Use return value from irq_set_wake() call pinctrl: qcom: Set IRQCHIP_SET_TYPE_MASKED and IRQCHIP_MASK_ON_SUSPEND flags ARM: Handle no IPI being registered in show_ipi_list() MAINTAINERS: Add entries for Actions Semi Owl SIRQ controller irqchip: Add Actions Semi Owl SIRQ controller dt-bindings: interrupt-controller: Add Actions SIRQ controller binding dt-bindings: dw-apb-ictl: Update binding to describe use as primary interrupt controller irqchip/dw-apb-ictl: Add primary interrupt controller support irqchip/dw-apb-ictl: Refactor priot to introducing hierarchical irq domains genirq: Add stub for set_handle_irq() when !GENERIC_IRQ_MULTI_HANDLER ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull timekeeping updates from Thomas Gleixner: "Updates for timekeeping, timers and related drivers: Core: - Early boot support for the NMI safe timekeeper by utilizing local_clock() up to the point where timekeeping is initialized. This allows printk() to store multiple timestamps in the ringbuffer which is useful for coordinating dmesg information across a fleet of machines. - Provide a multi-timestamp accessor for printk() - Make timer init more robust by checking for invalid timer flags. - Comma vs semicolon fixes Drivers: - Support for new platforms in existing drivers (SP804 and Renesas CMT) - Comma vs semicolon fixes * tag 'timers-core-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: clocksource/drivers/armada-370-xp: Use semicolons rather than commas to separate statements clocksource/drivers/mps2-timer: Use semicolons rather than commas to separate statements timers: Mask invalid flags in do_init_timer() clocksource/drivers/sp804: Enable Hisilicon sp804 timer 64bit mode clocksource/drivers/sp804: Add support for Hisilicon sp804 timer clocksource/drivers/sp804: Support non-standard register offset clocksource/drivers/sp804: Prepare for support non-standard register offset clocksource/drivers/sp804: Remove a mismatched comment clocksource/drivers/sp804: Delete the leading "__" of some functions clocksource/drivers/sp804: Remove unused sp804_timer_disable() and timer-sp804.h clocksource/drivers/sp804: Cleanup clk_get_sys() dt-bindings: timer: renesas,cmt: Document r8a774e1 CMT support dt-bindings: timer: renesas,cmt: Document r8a7742 CMT support alarmtimer: Convert comma to semicolon timekeeping: Provide multi-timestamp accessor to NMI safe timekeeper timekeeping: Utilize local_clock() for NMI safe timekeeper during early boot
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull debugobjects updates from Thomas Gleixner: "A small set of updates for debug objects: - Make all debug object descriptors constant. There is no reason to have them writeable. - Free the per CPU object pool after CPU unplug to avoid memory waste" * tag 'core-debugobjects-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: debugobjects: Free per CPU pool after CPU unplug treewide: Make all debug_obj_descriptors const debugobjects: Allow debug_obj_descr to be const
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 fix from Borislav Petkov: "A single fix making the error message when the opcode bytes at rIP cannot be accessed during an oops, more precise" * tag 'x86_core_for_v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/dumpstack: Fix misleading instruction pointer error message
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 cache resource control updates from Borislav Petkov: - Misc cleanups to the resctrl code in preparation for the ARM side (James Morse) - Add support for controlling per-thread memory bandwidth throttling delay values on hw which supports it (Fenghua Yu) * tag 'x86_cache_for_v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/resctrl: Enable user to view thread or core throttling mode x86/resctrl: Enumerate per-thread MBA controls cacheinfo: Move resctrl's get_cache_id() to the cacheinfo header file x86/resctrl: Add struct rdt_cache::arch_has_{sparse, empty}_bitmaps x86/resctrl: Merge AMD/Intel parse_bw() calls x86/resctrl: Add struct rdt_membw::arch_needs_linear to explain AMD/Intel MBA difference x86/resctrl: Use is_closid_match() in more places x86/resctrl: Include pid.h x86/resctrl: Use container_of() in delayed_work handlers x86/resctrl: Fix stale comment x86/resctrl: Remove struct rdt_membw::max_delay x86/resctrl: Remove unused struct mbm_state::chunks_bw
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