diff options
| author | Tony W Wang-oc <TonyWWang-oc@zhaoxin.com> | 2020-01-17 10:24:32 +0800 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-01-17 19:13:47 +0100 |
| commit | a84de2fa962c1b0551653fe245d6cb5f6129179c (patch) | |
| tree | c0dc4a3764328307b93a4ccf3a39dda305b6bfe0 | |
| parent | 1e41a766c98b481400ab8c5a7aa8ea63a1bb03de (diff) | |
x86/speculation/swapgs: Exclude Zhaoxin CPUs from SWAPGS vulnerabilityx86-pti-2020-01-28
New Zhaoxin family 7 CPUs are not affected by the SWAPGS vulnerability. So
mark these CPUs in the cpu vulnerability whitelist accordingly.
Signed-off-by: Tony W Wang-oc <TonyWWang-oc@zhaoxin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/1579227872-26972-3-git-send-email-TonyWWang-oc@zhaoxin.com
| -rw-r--r-- | arch/x86/kernel/cpu/common.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 6048bd374133..ca4a0d2cc88f 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -1087,8 +1087,8 @@ static const __initconst struct x86_cpu_id cpu_vuln_whitelist[] = { VULNWL_HYGON(X86_FAMILY_ANY, NO_MELTDOWN | NO_L1TF | NO_MDS | NO_SWAPGS | NO_ITLB_MULTIHIT), /* Zhaoxin Family 7 */ - VULNWL(CENTAUR, 7, X86_MODEL_ANY, NO_SPECTRE_V2), - VULNWL(ZHAOXIN, 7, X86_MODEL_ANY, NO_SPECTRE_V2), + VULNWL(CENTAUR, 7, X86_MODEL_ANY, NO_SPECTRE_V2 | NO_SWAPGS), + VULNWL(ZHAOXIN, 7, X86_MODEL_ANY, NO_SPECTRE_V2 | NO_SWAPGS), {} }; |