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| author | Thomas Gleixner <[email protected]> | 2018-01-18 15:28:26 +0000 |
|---|---|---|
| committer | Thomas Gleixner <[email protected]> | 2018-01-19 15:31:28 +0000 |
| commit | 6f41c34d69eb005e7848716bbcafc979b35037d5 (patch) | |
| tree | b5f5f6275ac19cc185a127c2f8a913f46019d705 /drivers/gpu/drm/amd/display/modules/freesync/freesync.c | |
| parent | module: Add retpoline tag to VERMAGIC (diff) | |
| download | kernel-6f41c34d69eb005e7848716bbcafc979b35037d5.tar.gz kernel-6f41c34d69eb005e7848716bbcafc979b35037d5.zip | |
x86/mce: Make machine check speculation protected
The machine check idtentry uses an indirect branch directly from the low
level code. This evades the speculation protection.
Replace it by a direct call into C code and issue the indirect call there
so the compiler can apply the proper speculation protection.
Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by:Borislav Petkov <[email protected]>
Reviewed-by: David Woodhouse <[email protected]>
Niced-by: Peter Zijlstra <[email protected]>
Cc: [email protected]
Link: https://lkml.kernel.org/r/alpine.DEB.2.20.1801181626290.1847@nanos
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules/freesync/freesync.c')
0 files changed, 0 insertions, 0 deletions