diff options
| author | Michael Niewöhner <foss@mniewoehner.de> | 2020-10-11 16:15:04 +0200 |
|---|---|---|
| committer | Nico Huber <nico.h@gmx.de> | 2020-10-19 21:02:04 +0000 |
| commit | 469a99b5c8886e2855ebf8f714f08501c55def77 (patch) | |
| tree | 9a217bdc4479ab215802f924977cc1e55a98daf9 | |
| parent | 13b9149bab28c24798507b152c4d212dd9512175 (diff) | |
cpu/intel/common: only lock AES-NI when supported
Add a check to only lock AES-NI when AES is supported.
Change-Id: Ia7ffd5393a3e972f461ff7991b9c5bd363712361
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46276
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
| -rw-r--r-- | src/cpu/intel/common/common_init.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/cpu/intel/common/common_init.c b/src/cpu/intel/common/common_init.c index f189c598ac..fc5360d001 100644 --- a/src/cpu/intel/common/common_init.c +++ b/src/cpu/intel/common/common_init.c @@ -270,6 +270,9 @@ void set_aesni_lock(void) { msr_t msr; + if (cpu_get_feature_flags_ecx() & CPUID_AES) + return; + /* Only run once per core as specified in the MSR datasheet */ if (intel_ht_sibling()) return; |