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| author |   Borislav Petkov <borislav.petkov@amd.com> | 2011-12-05 14:28:37 +0100 |
|---|---|---|
| committer | Borislav Petkov <borislav.petkov@amd.com> | 2011-12-05 14:28:37 +0100 |
| commit | ce37defc0f6673f5ca2c92ed5cfcaf290ae7dd16 (patch) | |
| tree | e662613f6ef4629ec8504502a87079c9b93117da /tools/perf/scripts/python/syscall-counts.py | |
| parent | x86, microcode: Fix the failure path of microcode update driver init code (diff) | |
| download | wireguard-linux-ce37defc0f6673f5ca2c92ed5cfcaf290ae7dd16.tar.xz wireguard-linux-ce37defc0f6673f5ca2c92ed5cfcaf290ae7dd16.zip | |
x86: Document rdmsr_safe restrictions
Recently, I got bitten by using rdmsr_safe too early in the boot
process. Document its shortcomings for future reference.
Link: http://lkml.kernel.org/r/4ED5B70F.606@lwfinger.net
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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