diff options
Diffstat (limited to 'arch/x86/mm/mem_encrypt_amd.c')
| -rw-r--r-- | arch/x86/mm/mem_encrypt_amd.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/mm/mem_encrypt_amd.c b/arch/x86/mm/mem_encrypt_amd.c index 774f9677458f..faf3a13fb6ba 100644 --- a/arch/x86/mm/mem_encrypt_amd.c +++ b/arch/x86/mm/mem_encrypt_amd.c @@ -7,8 +7,6 @@ * Author: Tom Lendacky <thomas.lendacky@amd.com> */ -#define DISABLE_BRANCH_PROFILING - #include <linux/linkage.h> #include <linux/init.h> #include <linux/mm.h> @@ -42,7 +40,9 @@ * section is later cleared. */ u64 sme_me_mask __section(".data") = 0; +SYM_PIC_ALIAS(sme_me_mask); u64 sev_status __section(".data") = 0; +SYM_PIC_ALIAS(sev_status); u64 sev_check_data __section(".data") = 0; EXPORT_SYMBOL(sme_me_mask); @@ -541,6 +541,9 @@ void __init sme_early_init(void) * kernel mapped. */ snp_update_svsm_ca(); + + if (sev_status & MSR_AMD64_SNP_SECURE_TSC) + setup_force_cpu_cap(X86_FEATURE_TSC_RELIABLE); } void __init mem_encrypt_free_decrypted_mem(void) |