diff options
| author | Ingo Molnar <[email protected]> | 2018-03-12 12:14:57 +0100 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2018-03-12 12:14:57 +0100 |
| commit | 9884afa2fdce71cd35bb79303f9050f0d76e3d03 (patch) | |
| tree | e4bd1187eee271fd93b8a99c5a951afaa53c4d80 /arch/x86/kernel/cpu/intel.c | |
| parent | fbfcd0199170984bd3c2812e49ed0fe7b226959a (diff) | |
| parent | 0c8efd610b58cb23cefdfa12015799079aef94ae (diff) | |
Merge tag 'v4.16-rc5' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'arch/x86/kernel/cpu/intel.c')
| -rw-r--r-- | arch/x86/kernel/cpu/intel.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index d19e903214b4..4aa9fd379390 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -144,6 +144,13 @@ static bool bad_spectre_microcode(struct cpuinfo_x86 *c) { int i; + /* + * We know that the hypervisor lie to us on the microcode version so + * we may as well hope that it is running the correct version. + */ + if (cpu_has(c, X86_FEATURE_HYPERVISOR)) + return false; + for (i = 0; i < ARRAY_SIZE(spectre_bad_microcodes); i++) { if (c->x86_model == spectre_bad_microcodes[i].model && c->x86_stepping == spectre_bad_microcodes[i].stepping) |