| commit | b745cfba44c152c34363eea9e052367b6b1d652b | [log] [tgz] |
|---|---|---|
| author | Andy Lutomirski <luto@kernel.org> | Thu May 28 16:13:58 2020 -0400 |
| committer | Thomas Gleixner <tglx@linutronix.de> | Thu Jun 18 15:47:05 2020 +0200 |
| tree | 3a05088df5cc44941b1d2a3ed664ebe785dec091 | |
| parent | c82965f9e53005c1c62632c468968293262056cb [diff] [blame] |
x86/cpu: Enable FSGSBASE on 64bit by default and add a chicken bit Now that FSGSBASE is fully supported, remove unsafe_fsgsbase, enable FSGSBASE by default, and add nofsgsbase to disable it. Signed-off-by: Andy Lutomirski <luto@kernel.org> Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Andi Kleen <ak@linux.intel.com> Link: https://lkml.kernel.org/r/1557309753-24073-17-git-send-email-chang.seok.bae@intel.com Link: https://lkml.kernel.org/r/20200528201402.1708239-13-sashal@kernel.org
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 7308db7..8c0d045 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -3079,8 +3079,7 @@ no5lvl [X86-64] Disable 5-level paging mode. Forces kernel to use 4-level paging instead. - unsafe_fsgsbase [X86] Allow FSGSBASE instructions. This will be - replaced with a nofsgsbase flag. + nofsgsbase [X86] Disables FSGSBASE instructions. no_console_suspend [HW] Never suspend the console