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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-05-24 03:01:31 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-05-24 03:01:31 +0200 |
| commit | c5a3d3c01e90e74166f95eec9db6fcc3ba72a9d6 (patch) | |
| tree | 3f938013952aaf28beab3e6228a4c4e5aa90badf /Documentation/x86 | |
| parent | Merge tag 'x86_tdx_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kerne... (diff) | |
| parent | x86/speculation: Add missing prototype for unpriv_ebpf_notify() (diff) | |
| download | linux-c5a3d3c01e90e74166f95eec9db6fcc3ba72a9d6.tar.xz linux-c5a3d3c01e90e74166f95eec9db6fcc3ba72a9d6.zip | |
Merge tag 'x86_cpu_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 CPU feature updates from Borislav Petkov:
- Remove a bunch of chicken bit options to turn off CPU features which
are not really needed anymore
- Misc fixes and cleanups
* tag 'x86_cpu_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/speculation: Add missing prototype for unpriv_ebpf_notify()
x86/pm: Fix false positive kmemleak report in msr_build_context()
x86/speculation/srbds: Do not try to turn mitigation off when not supported
x86/cpu: Remove "noclflush"
x86/cpu: Remove "noexec"
x86/cpu: Remove "nosmep"
x86/cpu: Remove CONFIG_X86_SMAP and "nosmap"
x86/cpu: Remove "nosep"
x86/cpu: Allow feature bit names from /proc/cpuinfo in clearcpuid=
Diffstat (limited to 'Documentation/x86')
| -rw-r--r-- | Documentation/x86/cpuinfo.rst | 5 | ||||
| -rw-r--r-- | Documentation/x86/x86_64/boot-options.rst | 9 |
2 files changed, 2 insertions, 12 deletions
diff --git a/Documentation/x86/cpuinfo.rst b/Documentation/x86/cpuinfo.rst index 5d54c39a063f..08246e8ac835 100644 --- a/Documentation/x86/cpuinfo.rst +++ b/Documentation/x86/cpuinfo.rst @@ -140,9 +140,8 @@ from #define X86_FEATURE_UMIP (16*32 + 2). In addition, there exists a variety of custom command-line parameters that disable specific features. The list of parameters includes, but is not limited -to, nofsgsbase, nosmap, and nosmep. 5-level paging can also be disabled using -"no5lvl". SMAP and SMEP are disabled with the aforementioned parameters, -respectively. +to, nofsgsbase, nosgx, noxsave, etc. 5-level paging can also be disabled using +"no5lvl". e: The feature was known to be non-functional. ---------------------------------------------- diff --git a/Documentation/x86/x86_64/boot-options.rst b/Documentation/x86/x86_64/boot-options.rst index 4efb1fa039ef..03ec9cf01181 100644 --- a/Documentation/x86/x86_64/boot-options.rst +++ b/Documentation/x86/x86_64/boot-options.rst @@ -157,15 +157,6 @@ Rebooting newer BIOS, or newer board) using this option will ignore the built-in quirk table, and use the generic default reboot actions. -Non Executable Mappings -======================= - - noexec=on|off - on - Enable(default) - off - Disable - NUMA ==== |