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| author | Andy Lutomirski <luto@kernel.org> | 2019-05-08 12:02:18 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2019-06-22 11:38:51 +0200 |
| commit | b64ed19b93c368be0fb6acf05377e8e3a694c92b (patch) | |
| tree | 60dc3d25693703da8c47b46e3bac7ca38dd292a4 /Documentation/process | |
| parent | selftests/x86/fsgsbase: Test ptracer-induced GSBASE write (diff) | |
| download | linux-b64ed19b93c368be0fb6acf05377e8e3a694c92b.tar.xz linux-b64ed19b93c368be0fb6acf05377e8e3a694c92b.zip | |
x86/cpu: Add 'unsafe_fsgsbase' to enable CR4.FSGSBASE
This is temporary. It will allow the next few patches to be tested
incrementally.
Setting unsafe_fsgsbase is a root hole. Don't do 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>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Reviewed-by: Andy Lutomirski <luto@kernel.org>
Cc: Ravi Shankar <ravi.v.shankar@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Link: https://lkml.kernel.org/r/1557309753-24073-4-git-send-email-chang.seok.bae@intel.com
Diffstat (limited to 'Documentation/process')
0 files changed, 0 insertions, 0 deletions