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| author | Lin Yujun <linyujun809@huawei.com> | 2022-08-30 15:36:14 +0300 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2022-09-27 22:21:44 +0300 |
| commit | 06cb31cc761823ef444ba4e1df11347342a6e745 (patch) | |
| tree | 0874e9f44fd03ea52f9d361d4b03f5ce5a6fb568 /Documentation/admin-guide/hw-vuln | |
| parent | 622d6f198737c26a47d892f29d054bf20df5a460 (diff) | |
| download | linux-06cb31cc761823ef444ba4e1df11347342a6e745.tar.xz | |
Documentation/hw-vuln: Update spectre doc
commit 7c693f54c873691 ("x86/speculation: Add spectre_v2=ibrs option to support Kernel IBRS")
adds the "ibrs " option in
Documentation/admin-guide/kernel-parameters.txt but omits it to
Documentation/admin-guide/hw-vuln/spectre.rst, add it.
Signed-off-by: Lin Yujun <linyujun809@huawei.com>
Link: https://lore.kernel.org/r/20220830123614.23007-1-linyujun809@huawei.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation/admin-guide/hw-vuln')
| -rw-r--r-- | Documentation/admin-guide/hw-vuln/spectre.rst | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/admin-guide/hw-vuln/spectre.rst b/Documentation/admin-guide/hw-vuln/spectre.rst index 2ce2a38cdd55..c4dcdb3d0d45 100644 --- a/Documentation/admin-guide/hw-vuln/spectre.rst +++ b/Documentation/admin-guide/hw-vuln/spectre.rst @@ -613,6 +613,7 @@ kernel command line. eibrs enhanced IBRS eibrs,retpoline enhanced IBRS + Retpolines eibrs,lfence enhanced IBRS + LFENCE + ibrs use IBRS to protect kernel Not specifying this option is equivalent to spectre_v2=auto. |