mirror of
https://kernel.googlesource.com/pub/scm/linux/kernel/git/stable/linux-stable.git
synced 2025-11-03 07:30:30 +10:00
b115d85a95
- Introduce local{,64}_try_cmpxchg() - a slightly more optimal
primitive, which will be used in perf events ring-buffer code.
- Simplify/modify rwsems on PREEMPT_RT, to address writer starvation.
- Misc cleanups/fixes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
-----BEGIN PGP SIGNATURE-----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=mM0A
-----END PGP SIGNATURE-----
Merge tag 'locking-core-2023-05-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking updates from Ingo Molnar:
- Introduce local{,64}_try_cmpxchg() - a slightly more optimal
primitive, which will be used in perf events ring-buffer code
- Simplify/modify rwsems on PREEMPT_RT, to address writer starvation
- Misc cleanups/fixes
* tag 'locking-core-2023-05-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/atomic: Correct (cmp)xchg() instrumentation
locking/x86: Define arch_try_cmpxchg_local()
locking/arch: Wire up local_try_cmpxchg()
locking/generic: Wire up local{,64}_try_cmpxchg()
locking/atomic: Add generic try_cmpxchg{,64}_local() support
locking/rwbase: Mitigate indefinite writer starvation
locking/arch: Rename all internal __xchg() names to __arch_xchg()
|
||
|---|---|---|
| .. | ||
| atomic | ||
| basic | ||
| clang-tools | ||
| coccinelle | ||
| dtc | ||
| dummy-tools | ||
| gcc-plugins | ||
| gdb | ||
| genksyms | ||
| kconfig | ||
| ksymoops | ||
| mod | ||
| package | ||
| selinux | ||
| tracing | ||
| .gitignore | ||
| adjust_autoksyms.sh | ||
| as-version.sh | ||
| asn1_compiler.c | ||
| bloat-o-meter | ||
| bootgraph.pl | ||
| bpf_doc.py | ||
| cc-can-link.sh | ||
| cc-version.sh | ||
| check_extable.sh | ||
| check-git | ||
| check-local-export | ||
| check-sysctl-docs | ||
| checkdeclares.pl | ||
| checkincludes.pl | ||
| checkkconfigsymbols.py | ||
| checkpatch.pl | ||
| checkstack.pl | ||
| checksyscalls.sh | ||
| checkversion.pl | ||
| cleanfile | ||
| cleanpatch | ||
| coccicheck | ||
| config | ||
| const_structs.checkpatch | ||
| decode_stacktrace.sh | ||
| decodecode | ||
| depmod.sh | ||
| dev-needs.sh | ||
| diffconfig | ||
| documentation-file-ref-check | ||
| export_report.pl | ||
| extract_xc3028.pl | ||
| extract-ikconfig | ||
| extract-module-sig.pl | ||
| extract-sys-certs.pl | ||
| extract-vmlinux | ||
| faddr2line | ||
| file-size.sh | ||
| find-unused-docs.sh | ||
| gcc-x86_32-has-stack-protector.sh | ||
| gcc-x86_64-has-stack-protector.sh | ||
| gen_autoksyms.sh | ||
| gen_ksymdeps.sh | ||
| gen-randstruct-seed.sh | ||
| generate_initcall_order.pl | ||
| generate_rust_analyzer.py | ||
| generate_rust_target.rs | ||
| get_abi.pl | ||
| get_dvb_firmware | ||
| get_feat.pl | ||
| get_maintainer.pl | ||
| gfp-translate | ||
| head-object-list.txt | ||
| headerdep.pl | ||
| headers_install.sh | ||
| insert-sys-cert.c | ||
| install.sh | ||
| is_rust_module.sh | ||
| jobserver-exec | ||
| kallsyms.c | ||
| Kbuild.include | ||
| Kconfig.include | ||
| kernel-doc | ||
| ld-version.sh | ||
| leaking_addresses.pl | ||
| Lindent | ||
| link-vmlinux.sh | ||
| Makefile | ||
| Makefile.asm-generic | ||
| Makefile.build | ||
| Makefile.clang | ||
| Makefile.clean | ||
| Makefile.compiler | ||
| Makefile.debug | ||
| Makefile.defconf | ||
| Makefile.dtbinst | ||
| Makefile.extrawarn | ||
| Makefile.gcc-plugins | ||
| Makefile.headersinst | ||
| Makefile.host | ||
| Makefile.kasan | ||
| Makefile.kcov | ||
| Makefile.kcsan | ||
| Makefile.kmsan | ||
| Makefile.lib | ||
| Makefile.modfinal | ||
| Makefile.modinst | ||
| Makefile.modpost | ||
| Makefile.package | ||
| Makefile.randstruct | ||
| Makefile.ubsan | ||
| Makefile.userprogs | ||
| Makefile.vmlinux | ||
| Makefile.vmlinux_o | ||
| makelst | ||
| markup_oops.pl | ||
| min-tool-version.sh | ||
| misc-check | ||
| mkcompile_h | ||
| mksysmap | ||
| mkuboot.sh | ||
| module.lds.S | ||
| modules-check.sh | ||
| nsdeps | ||
| objdiff | ||
| objdump-func | ||
| pahole-flags.sh | ||
| pahole-version.sh | ||
| parse-maintainers.pl | ||
| patch-kernel | ||
| profile2linkerlist.pl | ||
| prune-kernel | ||
| recordmcount.c | ||
| recordmcount.h | ||
| recordmcount.pl | ||
| relocs_check.sh | ||
| remove-stale-files | ||
| rust_is_available_bindgen_libclang.h | ||
| rust_is_available.sh | ||
| setlocalversion | ||
| show_delta | ||
| sign-file.c | ||
| sorttable.c | ||
| sorttable.h | ||
| spdxcheck-test.sh | ||
| spdxcheck.py | ||
| spdxexclude | ||
| spelling.txt | ||
| sphinx-pre-install | ||
| split-man.pl | ||
| stackdelta | ||
| stackusage | ||
| subarch.include | ||
| syscallhdr.sh | ||
| syscallnr.sh | ||
| syscalltbl.sh | ||
| tags.sh | ||
| test_fortify.sh | ||
| tools-support-relr.sh | ||
| unifdef.c | ||
| ver_linux | ||
| xen-hypercalls.sh | ||
| xz_wrap.sh | ||