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[RFC,14/14] x86/sev: Indicate SEV-SNP guest supports Secure AVIC

Message ID 20240913113705.419146-15-Neeraj.Upadhyay@amd.com (mailing list archive)
State New, archived
Headers show
Series AMD: Add Secure AVIC Guest Support | expand

Commit Message

Neeraj Upadhyay Sept. 13, 2024, 11:37 a.m. UTC 
From: Kishon Vijay Abraham I <kvijayab@amd.com>

Now that Secure AVIC support is added in the guest, indicate SEV-SNP
guest supports Secure AVIC.

Without this, the guest terminates booting with Non-Automatic Exit(NAE)
termination request event.

Signed-off-by: Kishon Vijay Abraham I <kvijayab@amd.com>
Signed-off-by: Neeraj Upadhyay <Neeraj.Upadhyay@amd.com>
---
 arch/x86/boot/compressed/sev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/arch/x86/boot/compressed/sev.c b/arch/x86/boot/compressed/sev.c
index ec038be0a048..fa5f1dc94e2b 100644
--- a/arch/x86/boot/compressed/sev.c
+++ b/arch/x86/boot/compressed/sev.c
@@ -402,7 +402,7 @@  void do_boot_stage2_vc(struct pt_regs *regs, unsigned long exit_code)
  * by the guest kernel. As and when a new feature is implemented in the
  * guest kernel, a corresponding bit should be added to the mask.
  */
-#define SNP_FEATURES_PRESENT	MSR_AMD64_SNP_DEBUG_SWAP
+#define SNP_FEATURES_PRESENT	(MSR_AMD64_SNP_DEBUG_SWAP | MSR_AMD64_SNP_SECURE_AVIC_ENABLED)
 
 u64 snp_get_unsupported_features(u64 status)
 {