- 28 Sep, 2022 21 commits
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Daniel Xu authored
This script is used to detect whether a kernel module is written in Rust. It will later be used to disable BTF generation on Rust modules as BTF does not yet support Rust. Reviewed-by:
Kees Cook <keescook@chromium.org> Reviewed-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> Co-developed-by:
Alex Gaynor <alex.gaynor@gmail.com> Signed-off-by:
Wedson Almeida Filho <wedsonaf@google.com> Signed-off-by:
Daniel Xu <dxu@dxuuu.xyz> Co-developed-by:
Miguel Ojeda <ojeda@kernel.org> Signed-off-by:
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Miguel Ojeda authored
This script tests whether the Rust toolchain requirements are in place to enable Rust support. It uses `min-tool-version.sh` to fetch the version numbers. The build system will call it to set `CONFIG_RUST_IS_AVAILABLE` in a later patch. It also has an option (`-v`) to explain what is missing, which is useful to set up the development environment. This is used via the `make rustavailable` target added in a later patch. Reviewed-by:
Finn Behrens <me@kloenk.de> Signed-off-by:
Miguel Cano <macanroj@gmail.com> Signed-off-by:
Tiago Lam <tiagolam@gmail.com> Signed-off-by:
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Miguel Ojeda authored
This script takes care of generating the custom target specification file for `rustc`, based on the kernel configuration. It also serves as an example of a Rust host program. A dummy architecture is kept in this patch so that a later patch adds x86 support on top with as few changes as possible. Reviewed-by:
David Gow <davidgow@google.com> Signed-off-by:
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Miguel Ojeda authored
The `generate_rust_analyzer.py` script generates the configuration file (`rust-project.json`) for rust-analyzer. rust-analyzer is a modular compiler frontend for the Rust language. It provides an LSP server which can be used in editors such as VS Code, Emacs or Vim. Reviewed-by:
Gary Guo <gary@garyguo.net> Signed-off-by:
Boris-Chengbiao Zhou <bobo1239@web.de> Signed-off-by:
Björn Roy Baron <bjorn3_gh@protonmail.com> Signed-off-by:
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Miguel Ojeda authored
Recent versions of both Binutils (`c++filt`) and LLVM (`llvm-cxxfilt`) provide Rust v0 mangling support. Reviewed-by:
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Miguel Ojeda authored
Include Rust in the "source code files" category, so that the language-independent tests are checked for Rust too, and teach `checkpatch` about the comment style for Rust files. This enables the malformed SPDX check, the misplaced SPDX license tag check, the long line checks, the lines without a newline check and the embedded filename check. Reviewed-by:
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Miguel Ojeda authored
The `%pA` format specifier is only intended to be used from Rust. `checkpatch.pl` already gives a warning for invalid specificers: WARNING: Invalid vsprintf pointer extension '%pA' This makes it an error and introduces an explanatory message: ERROR: Invalid vsprintf pointer extension '%pA' - '%pA' is only intended to be used from Rust code Suggested-by:Joe Perches <joe@perches.com> Signed-off-by:
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Gary Guo authored
This patch adds a format specifier `%pA` to `vsprintf` which formats a pointer as `core::fmt::Arguments`. Doing so allows us to directly format to the internal buffer of `printf`, so we do not have to use a temporary buffer on the stack to pre-assemble the message on the Rust side. This specifier is intended only to be used from Rust and not for C, so `checkpatch.pl` is intentionally unchanged to catch any misuse. Reviewed-by:
Petr Mladek <pmladek@suse.com> Reviewed-by:
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Miguel Ojeda authored
All symbols are reexported reusing the `EXPORT_SYMBOL_GPL` macro from C. The lists of symbols are generated on the fly. There are three main sets of symbols to distinguish: - The ones from the `core` and `alloc` crates (from the Rust standard library). The code is licensed as Apache/MIT. - The ones from our abstractions in the `kernel` crate. - The helpers (already exported since they are not generated). We export everything as GPL. This ensures we do not mistakenly expose GPL kernel symbols/features as non-GPL, even indirectly. Reviewed-by: -
Wedson Almeida Filho authored
The `kernel` crate currently includes all the abstractions that wrap kernel features written in C. These abstractions call the C side of the kernel via the generated bindings with the `bindgen` tool. Modules developed in Rust should never call the bindings themselves. In the future, as the abstractions grow in number, we may need to split this crate into several, possibly following a similar subdivision in subsystems as the kernel itself and/or moving the code to the actual subsystems. Reviewed-by:
Geoffrey Thomas <geofft@ldpreload.com> Signed-off-by:
Adam Bratschi-Kaye <ark.email@gmail.com> Signed-off-by:
Sven Van Asbroeck <thesven73@gmail.com> Signed-off-by:
Boqun Feng <boqun.feng@gmail.com> Signed-off-by:
Fox Chen <foxhlchen@gmail.com> Signed-off-by:
Viktor Garske <viktor@v-gar.de> Signed-off-by:
Dariusz Sosnowski <dsosnowski@dsosnowski.pl> Signed-off-by:
Léo Lanteri Thauvin <leseulartichaut@gmail.com> Signed-off-by:
Niklas Mohrin <dev@niklasmohrin.de> Signed-off-by:
Milan Landaverde <milan@mdaverde.com> Signed-off-by:
Morgan Bartlett <mjmouse9999@gmail.com> Signed-off-by:
Maciej Falkowski <m.falkowski@samsung.com> Signed-off-by:
Nándor István Krácser <bonifaido@gmail.com> Signed-off-by:
John Baublitz <john.m.baublitz@gmail.com> Signed-off-by:
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Miguel Ojeda authored
This crate contains the bindings to the C side of the kernel. Calling C (in general, FFI) is assumed to be unsafe in Rust and, in many cases, this is accurate. For instance, virtually all C functions that take a pointer are unsafe since, typically, it will be dereferenced at some point (and in most cases there is no way for the callee to check its validity beforehand). Since one of the goals of using Rust in the kernel is precisely to avoid unsafe code in "leaf" kernel modules (e.g. drivers), these bindings should not be used directly by them. Instead, these bindings need to be wrapped into safe abstractions. These abstractions provide a safe API that kernel modules can use. In this way, unsafe code in kernel modules is minimized. Reviewed-by:
Jiapeng Chong <jiapeng.chong@linux.alibaba.com> Signed-off-by:
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Miguel Ojeda authored
This crate contains all the procedural macros ("proc macros") shared by all the kernel. Procedural macros allow to create syntax extensions. They run at compile-time and can consume as well as produce Rust syntax. For instance, the `module!` macro that is used by Rust modules is implemented here. It allows to easily declare the equivalent information to the `MODULE_*` macros in C modules, e.g.: module! { type: RustMinimal, name: b"rust_minimal", author: b"Rust for Linux Contributors", description: b"Rust minimal sample", license: b"GPL", } Co-developed-by:Sumera Priyadarsini <sylphrenadin@gmail.com> Signed-off-by:
Matthew Bakhtiari <dev@mtbk.me> Signed-off-by:
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Miguel Ojeda authored
Rust provides `compiler_builtins` as a port of LLVM's `compiler-rt`. Since we do not need the vast majority of them, we avoid the dependency by providing our own crate. Reviewed-by:
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Miguel Ojeda authored
This customizes the subset of the Rust standard library `alloc` that was just imported as-is, mainly by: - Adding SPDX license identifiers. - Skipping modules (e.g. `rc` and `sync`) via new `cfg`s. - Adding fallible (`try_*`) versions of existing infallible methods (i.e. returning a `Result` instead of panicking). Since the standard library requires stable/unstable attributes, these additions are annotated with: #[stable(feature = "kernel", since = "1.0.0")] Using "kernel" as the feature allows to have the additions clearly marked. The "1.0.0" version is just a placeholder. (At the moment, only one is needed, but in the future more fallible methods will be added). Reviewed-by: -
Miguel Ojeda authored
This is a subset of the Rust standard library `alloc` crate, version 1.62.0, licensed under "Apache-2.0 OR MIT", from: https://github.com/rust-lang/rust/tree/1.62.0/library/alloc/src The files are copied as-is, with no modifications whatsoever (not even adding the SPDX identifiers). For copyright details, please see: https://github.com/rust-lang/rust/blob/1.62.0/COPYRIGHT The next patch modifies these files as needed for use within the kernel. This patch split allows reviewers to double-check the import and to clearly see the differences introduced. Vendoring `alloc`, at least for the moment, allows us to have fallible allocations support (i.e. the `try_*` versions of methods which return a `Result` instead of panicking) early on. It also gives a bit more freedom to experiment with new interfaces and to iterate quickly. Eventually, the goal is to have everything the kernel needs in upstream `alloc` and drop it from the kernel tree. For a summary of work on `alloc` happening upstream, please see: https://github.com/Rust-for-Linux/linux/issues/408 The following script may be used to verify the contents: for path in $(cd rust/alloc/ && find . -type f -name '*.rs'); do curl --silent --show-error --location \ https://github.com/rust-lang/rust/raw/1.62.0/library/alloc/src/$path \ | diff --unified rust/alloc/$path - && echo $path: OK done Reviewed-by: -
Miguel Ojeda authored
Introduces the source file that will contain forwarders to C macros and inlined functions. Initially this only contains a single helper, but will gain more as more functionality is added to the `kernel` crate in the future. Reviewed-by:
Wei Liu <wei.liu@kernel.org> Signed-off-by:
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Miguel Ojeda authored
Rust symbols can become quite long due to namespacing introduced by modules, types, traits, generics, etc. For instance, the following code: pub mod my_module { pub struct MyType; pub struct MyGenericType<T>(T); pub trait MyTrait { fn my_method() -> u32; } impl MyTrait for MyGenericType<MyType> { fn my_method() -> u32 { 42 } } } generates a symbol of length 96 when using the upcoming v0 mangling scheme: _RNvXNtCshGpAVYOtgW1_7example9my_moduleINtB2_13MyGenericTypeNtB2_6MyTypeENtB2_7MyTrait9my_method At the moment, Rust symbols may reach up to 300 in length. Setting 512 as the maximum seems like a reasonable choice to keep some headroom. Reviewed-by: -
Miguel Ojeda authored
Rust symbols can become quite long due to namespacing introduced by modules, types, traits, generics, etc. Increasing to 255 is not enough in some cases, therefore introduce longer lengths to the symbol table. In order to avoid increasing all lengths to 2 bytes (since most of them are small, including many Rust ones), use ULEB128 to keep smaller symbols in 1 byte, with the rest in 2 bytes. Reviewed-by:
Matthew Wilcox <willy@infradead.org> Signed-off-by:
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Miguel Ojeda authored
This adds a static assert to ensure `KSYM_NAME_LEN_BUFFER` gets updated when `KSYM_NAME_LEN` changes. The relationship used is one that keeps the new size (512+1) close to the original buffer size (500). Reviewed-by:
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Boqun Feng authored
This introduces `KSYM_NAME_LEN_BUFFER` in place of the previously hardcoded size of the input buffer. It will also make it easier to update the size in a single place in a later patch. Reviewed-by:
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Boqun Feng authored
This removes one place where the `500` constant is hardcoded. Reviewed-by:
Geert Stappers <stappers@stappers.nl> Reviewed-by:
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- 25 Sep, 2022 8 commits
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4Linus Torvalds authored
Pull ext4 fixes from Ted Ts'o: "Regression and bug fixes: - Performance regression fix from 5.18 on a Rasberry Pi - Fix extent parsing bug which triggers a BUG_ON when a (corrupted) extent tree has has a non-root node when zero entries. - Fix a livelock where in the right (wrong) circumstances a large number of nfsd threads can try to write to a nearly full file system, and retry for hours(!)" * tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: limit the number of retries after discarding preallocations blocks ext4: fix bug in extents parsing when eh_entries == 0 and eh_depth > 0 ext4: use buckets for cr 1 block scan instead of rbtree ext4: use locality group preallocation for small closed files ext4: make directory inode spreading reflect flexbg size ext4: avoid unnecessary spreading of allocations among groups ext4: make mballoc try target group first even with mb_optimize_scan -
Linus Torvalds authored
Merge tag 'dax-and-nvdimm-fixes-v6.0-final' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm Pull NVDIMM and DAX fixes from Dan Williams: "A recently discovered one-line fix for devdax that further addresses a v5.5 regression, and (a bit embarrassing) a small batch of fixes that have been sitting in my fixes tree for weeks. The older fixes have soaked in linux-next during that time and address an fsdax infinite loop and some other minor fixups. - Fix a infinite loop bug in fsdax - Fix memory-type detection for devdax (EINJ regression) - Small cleanups" * tag 'dax-and-nvdimm-fixes-v6.0-final' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: devdax: Fix soft-reservation memory description fsdax: Fix infinite loop in dax_iomap_rw() nvdimm/namespace: drop nested variable in create_namespace_pmem() ndtest: Cleanup all of blk namespace specific code pmem: fix a name collision
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linuxLinus Torvalds authored
Pull i2c fixes from Wolfram Sang: "I2C driver bugfixes for mlxbf and imx, a few documentation fixes after the rework this cycle, and one hardening for the i2c-mux core" * tag 'i2c-for-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: mux: harden i2c_mux_alloc() against integer overflows i2c: mlxbf: Fix frequency calculation i2c: mlxbf: prevent stack overflow in mlxbf_i2c_smbus_start_transaction() i2c: mlxbf: incorrect base address passed during io write Documentation: i2c: fix references to other documents MAINTAINERS: remove Nehal Shah from AMD MP2 I2C DRIVER i2c: imx: If pm_runtime_get_sync() returned 1 device access is possible
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Dan Williams authored
Pick up another "Soft Reservation" fix for v6.0-final on top of some straggling nvdimm fixes that missed v5.19.
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Dan Williams authored
The "hmem" platform-devices that are created to represent the platform-advertised "Soft Reserved" memory ranges end up inserting a resource that causes the iomem_resource tree to look like this: 340000000-43fffffff : hmem.0 340000000-43fffffff : Soft Reserved 340000000-43fffffff : dax0.0 This is because insert_resource() reparents ranges when they completely intersect an existing range. This matters because code that uses region_intersects() to scan for a given IORES_DESC will only check that top-level 'hmem.0' resource and not the 'Soft Reserved' descendant. So, to support EINJ (via einj_error_inject()) to inject errors into memory hosted by a dax-device, be sure to describe the memory as IORES_DESC_SOFT_RESERVED. This is a follow-on to: commit b13a3e5f ("ACPI: APEI: Fix _EINJ vs EFI_MEMORY_SP") ...that fixed EINJ support for "Soft Reserved" ranges in the first instance. Fixes: 262b45ae ("x86/efi: EFI soft reservation to E820 enumeration") Reported-by:Ricardo Sandoval Torres <ricardo.sandoval.torres@intel.com> Tested-by:
Dan Williams <dan.j.williams@intel.com>
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Linus Torvalds authored
Merge tag 'kbuild-fixes-v6.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - Fix build error for the combination of SYSTEM_TRUSTED_KEYRING=y and X509_CERTIFICATE_PARSER=m - Fix DEBUG_INFO_SPLIT to generate debug info for GCC 11+ and Clang 12+ - Revive debug info for assembly files - Remove unused code * tag 'kbuild-fixes-v6.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: Makefile.debug: re-enable debug info for .S files Makefile.debug: set -g unconditional on CONFIG_DEBUG_INFO_SPLIT certs: make system keyring depend on built-in x509 parser Kconfig: remove unused function 'menu_get_root_menu' scripts/clang-tools: remove unused module
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linuxLinus Torvalds authored
Pull s390 fix from Vasily Gorbik: - Fix potential hangs in VFIO AP driver * tag 's390-6.0-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/vfio-ap: bypass unnecessary processing of AP resources
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- 24 Sep, 2022 10 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds authored
Pull power management fixes from Rafael Wysocki: "These fix an uninitialized variable usage in the operating performance points code and add missing DT bindings for it. Specifics: - Fix uninitialized variable usage in dev_pm_opp_config_clks_simple() (Christophe JAILLET) - Add missing OPP DT properties (Rob Herring)" * tag 'pm-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: dt-bindings: opp: Add missing (unevaluated|additional)Properties on child nodes OPP: Fix an un-initialized variable usage -
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-miscLinus Torvalds authored
Pull char/misc driver fixes from Greg KH: "Here are three tiny driver fixes for 6.0-rc7. They include: - phy driver reset bugfix - fpga memleak bugfix - counter irq config bugfix The first two have been in linux-next for a while, the last one has only been added to my tree in the past few days, but was in linux-next under a different commit id. I couldn't pull directly from the counter tree due to some gpg key propagation issue, so I took the commit directly from email instead" * tag 'char-misc-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: counter: 104-quad-8: Fix skipped IRQ lines during events configuration fpga: m10bmc-sec: Fix possible memory leak of flash_buf phy: marvell: phy-mvebu-a3700-comphy: Remove broken reset support
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/ttyLinus Torvalds authored
Pull tty/serial driver fixes from Greg KH: "Here are some small, and late, serial driver fixes for 6.0-rc7 to resolve some reported problems. Included in here are: - tegra icount accounting fixes, including a framework function that other drivers will be converted over to using in 6.1-rc1. - fsl_lpuart reset bugfix - 8250 omap 485 bugfix - sifive serial clock bugfix The last three patches have not shown up in linux-next due to them being added to my tree only 2 days ago, but they are tiny and self-contained and the developers say they resolve issues that they have with 6.0-rc. The other three have been in linux-next for a while with no reported issues" * tag 'tty-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: serial: sifive: enable clocks for UART when probed serial: 8250: omap: Use serial8250_em485_supported serial: fsl_lpuart: Reset prior to registration serial: tegra-tcu: Use uart_xmit_advance(), fixes icount.tx accounting serial: tegra: Use uart_xmit_advance(), fixes icount.tx accounting serial: Create uart_xmit_advance() -
git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroupLinus Torvalds authored
Pull cgroup fixes from Tejun Heo: - Add Waiman Long as a cpuset maintainer - cgroup_get_from_id() could be fed a kernfs ID which doesn't point to a cgroup directory but a knob file and then crash. Error out if the lookup kernfs_node isn't a directory. * tag 'cgroup-for-6.0-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: cgroup: cgroup_get_from_id() must check the looked-up kn is a directory cpuset: Add Waiman Long as a cpuset maintainer
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/wqLinus Torvalds authored
Pull workqueue fix from Tejun Heo: "Just one patch to improve flush lockdep coverage" * tag 'wq-for-6.0-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: workqueue: don't skip lockdep work dependency in cancel_work_sync()
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git://git.kernel.dk/linuxLinus Torvalds authored
Pull io_uring fix from Jens Axboe: "Just a single fix for an issue with un-reaped IOPOLL requests on ring exit" * tag 'io_uring-6.0-2022-09-23' of git://git.kernel.dk/linux: io_uring: ensure that cached task references are always put on exit
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git://git.kernel.dk/linuxLinus Torvalds authored
Pull block fixes from Jens Axboe: "Fix a regression that's been plaguing us by reverting the offending commit, as attempts to both reproduce the issue and fix it in a saner fashion have failed. Fix for a potential oops condition in the s390 dasd block driver" * tag 'block-6.0-2022-09-22' of git://git.kernel.dk/linux: Revert "block: freeze the queue earlier in del_gendisk" s390/dasd: fix Oops in dasd_alias_get_start_dev due to missing pavgroup
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Nick Desaulniers authored
Alexey reported that the fraction of unknown filename instances in kallsyms grew from ~0.3% to ~10% recently; Bill and Greg tracked it down to assembler defined symbols, which regressed as a result of: commit b8a90923 ("Kbuild: do not emit debug info for assembly with LLVM_IAS=1") In that commit, I allude to restoring debug info for assembler defined symbols in a follow up patch, but it seems I forgot to do so in commit a66049e2 ("Kbuild: make DWARF version a choice") Link: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=31bf18645d98b4d3d7357353be840e320649a67d Fixes: b8a90923 ("Kbuild: do not emit debug info for assembly with LLVM_IAS=1") Reported-by:
Alexey Alexandrov <aalexand@google.com> Reported-by:
Bill Wendling <morbo@google.com> Reported-by:
Greg Thelen <gthelen@google.com> Reviewed-by:
Nathan Chancellor <nathan@kernel.org> Suggested-by:
Masahiro Yamada <masahiroy@kernel.org> Signed-off-by:
Nick Desaulniers <ndesaulniers@google.com> Signed-off-by:
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Nick Desaulniers authored
Dmitrii, Fangrui, and Mashahiro note: Before GCC 11 and Clang 12 -gsplit-dwarf implicitly uses -g2. Fix CONFIG_DEBUG_INFO_SPLIT for gcc-11+ & clang-12+ which now need -g specified in order for -gsplit-dwarf to work at all. -gsplit-dwarf has been mutually exclusive with -g since support for CONFIG_DEBUG_INFO_SPLIT was introduced in commit 866ced95 ("kbuild: Support split debug info v4") I don't think it ever needed to be. Link: https://lore.kernel.org/lkml/20220815013317.26121-1-dmitrii.bundin.a@gmail.com/ Link: https://lore.kernel.org/lkml/CAK7LNARPAmsJD5XKAw7m_X2g7Fi-CAAsWDQiP7+ANBjkg7R7ng@mail.gmail.com/ Link: https://reviews.llvm.org/D80391 Cc: Andi Kleen <ak@linux.intel.com> Reported-by:
Dmitrii Bundin <dmitrii.bundin.a@gmail.com> Reported-by:
Fangrui Song <maskray@google.com> Reported-by:
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Jens Axboe authored
io_uring caches task references to avoid doing atomics for each of them per request. If a request is put from the same task that allocated it, then we can maintain a per-ctx cache of them. This obviously relies on io_uring always pruning caches in a reliable way, and there's currently a case off io_uring fd release where we can miss that. One example is a ring setup with IOPOLL, which relies on the task polling for completions, which will free them. However, if such a task submits a request and then exits or closes the ring without reaping the completion, then ring release will reap and put. If release happens from that very same task, the completed request task refs will get put back into the cache pool. This is problematic, as we're now beyond the point of pruning caches. Manually drop these caches after doing an IOPOLL reap. This releases references from the current task, which is enough. If another task happens to be doing the release, then the caching will not be triggered and there's no issue. Cc: stable@vger.kernel.org Fixes: e98e49b2 ("io_uring: extend task put optimisations") Reported-by:
Homin Rhee <hominlab@gmail.com> Signed-off-by:
Jens Axboe <axboe@kernel.dk>
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- 23 Sep, 2022 1 commit
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linuxLinus Torvalds authored
Pull arm64 fixes from Will Deacon: "These are all very simple and self-contained, although the CFI jump-table fix touches the generic linker script as that's where the problematic macro lives. - Fix false positive "sleeping while atomic" warning resulting from the kPTI rework taking a mutex too early. - Fix possible overflow in AMU frequency calculation - Fix incorrect shift in CMN PMU driver which causes problems with newer versions of the IP - Reduce alignment of the CFI jump table to avoid huge kernel images and link errors with !4KiB page size configurations" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: vmlinux.lds.h: CFI: Reduce alignment of jump-table to function alignment perf/arm-cmn: Add more bits to child node address offset field arm64: topology: fix possible overflow in amu_fie_setup() arm64: mm: don't acquire mutex when rewriting swapper
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