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| author | Ingo Molnar <mingo@kernel.org> | 2024-02-14 10:48:28 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2024-02-14 10:49:37 +0100 |
| commit | 4589f199eb68afd462bd792f730c7936fe3dafb5 (patch) | |
| tree | 3c12ca1431b72ec6746df4d8b99780a3ba0d5cc5 /Documentation/admin-guide | |
| parent | 03c11eb3b16dc0058589751dfd91f254be2be613 (diff) | |
| parent | 4461438a8405e800f90e0e40409e5f3d07eed381 (diff) | |
| download | linux-4589f199eb68afd462bd792f730c7936fe3dafb5.tar.gz | |
Merge branch 'x86/bugs' into x86/core, to pick up pending changes before dependent patches
Merge in pending alternatives patching infrastructure changes, before
applying more patches.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'Documentation/admin-guide')
| -rw-r--r-- | Documentation/admin-guide/hw-vuln/spectre.rst | 8 | ||||
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 4 |
2 files changed, 6 insertions, 6 deletions
diff --git a/Documentation/admin-guide/hw-vuln/spectre.rst b/Documentation/admin-guide/hw-vuln/spectre.rst index 32a8893e56177..cce768afec6be 100644 --- a/Documentation/admin-guide/hw-vuln/spectre.rst +++ b/Documentation/admin-guide/hw-vuln/spectre.rst @@ -473,8 +473,8 @@ Spectre variant 2 -mindirect-branch=thunk-extern -mindirect-branch-register options. If the kernel is compiled with a Clang compiler, the compiler needs to support -mretpoline-external-thunk option. The kernel config - CONFIG_RETPOLINE needs to be turned on, and the CPU needs to run with - the latest updated microcode. + CONFIG_MITIGATION_RETPOLINE needs to be turned on, and the CPU needs + to run with the latest updated microcode. On Intel Skylake-era systems the mitigation covers most, but not all, cases. See :ref:`[3] <spec_ref3>` for more details. @@ -609,8 +609,8 @@ kernel command line. Selecting 'on' will, and 'auto' may, choose a mitigation method at run time according to the CPU, the available microcode, the setting of the - CONFIG_RETPOLINE configuration option, and the - compiler with which the kernel was built. + CONFIG_MITIGATION_RETPOLINE configuration option, + and the compiler with which the kernel was built. Selecting 'on' will also enable the mitigation against user space to user space task attacks. diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 31b3a25680d08..f42618b958255 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -6027,8 +6027,8 @@ Selecting 'on' will, and 'auto' may, choose a mitigation method at run time according to the CPU, the available microcode, the setting of the - CONFIG_RETPOLINE configuration option, and the - compiler with which the kernel was built. + CONFIG_MITIGATION_RETPOLINE configuration option, + and the compiler with which the kernel was built. Selecting 'on' will also enable the mitigation against user space to user space task attacks. |