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| author | Ashok Raj <ashok.raj@intel.com> | 2018-02-28 11:28:43 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2018-03-08 10:19:26 +0100 |
| commit | 30ec26da9967d0d785abc24073129a34c3211777 (patch) | |
| tree | 4873d07b0b79b943d6ec39266b0fe65c894119b9 /arch/x86/kernel/cpu/microcode/intel.c | |
| parent | 91df9fdf51492aec9fed6b4cbd33160886740f47 (diff) | |
| download | linux-30ec26da9967d0d785abc24073129a34c3211777.tar.bz2 | |
x86/microcode: Do not upload microcode if CPUs are offline
Avoid loading microcode if any of the CPUs are offline, and issue a
warning. Having different microcode revisions on the system at any time
is outright dangerous.
[ Borislav: Massage changelog. ]
Signed-off-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Tom Lendacky <thomas.lendacky@amd.com>
Tested-by: Ashok Raj <ashok.raj@intel.com>
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Arjan Van De Ven <arjan.van.de.ven@intel.com>
Link: http://lkml.kernel.org/r/1519352533-15992-4-git-send-email-ashok.raj@intel.com
Link: https://lkml.kernel.org/r/20180228102846.13447-5-bp@alien8.de
Diffstat (limited to 'arch/x86/kernel/cpu/microcode/intel.c')
0 files changed, 0 insertions, 0 deletions