diff options
Diffstat (limited to 'arch/x86/boot/compressed/sev.c')
| -rw-r--r-- | arch/x86/boot/compressed/sev.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/boot/compressed/sev.c b/arch/x86/boot/compressed/sev.c index 3c5d5c97f8f7..4f61d48f2575 100644 --- a/arch/x86/boot/compressed/sev.c +++ b/arch/x86/boot/compressed/sev.c @@ -164,6 +164,13 @@ static void __page_state_change(unsigned long paddr, enum psc_op op) */ if (op == SNP_PAGE_STATE_PRIVATE && pvalidate(paddr, RMP_PG_SIZE_4K, 1)) sev_es_terminate(SEV_TERM_SET_LINUX, GHCB_TERM_PVALIDATE); + + /* + * If validating memory (making it private) and affected by the + * cache-coherency vulnerability, perform the cache eviction mitigation. + */ + if (op == SNP_PAGE_STATE_PRIVATE && !has_cpuflag(X86_FEATURE_COHERENCY_SFW_NO)) + sev_evict_cache((void *)paddr, 1); } void snp_set_page_private(unsigned long paddr) |