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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:22 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:22 +0000
commitb20732900e4636a467c0183a47f7396700f5f743 (patch)
tree42f079ff82e701ebcb76829974b4caca3e5b6798 /arch/x86/boot/compressed/sev.c
parentAdding upstream version 6.8.12. (diff)
downloadlinux-b20732900e4636a467c0183a47f7396700f5f743.tar.xz
linux-b20732900e4636a467c0183a47f7396700f5f743.zip
Adding upstream version 6.9.7.upstream/6.9.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/x86/boot/compressed/sev.c')
-rw-r--r--arch/x86/boot/compressed/sev.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/x86/boot/compressed/sev.c b/arch/x86/boot/compressed/sev.c
index 4c9b752814..ec71846d28 100644
--- a/arch/x86/boot/compressed/sev.c
+++ b/arch/x86/boot/compressed/sev.c
@@ -12,6 +12,7 @@
*/
#include "misc.h"
+#include <asm/bootparam.h>
#include <asm/pgtable_types.h>
#include <asm/sev.h>
#include <asm/trapnr.h>
@@ -307,6 +308,10 @@ void do_boot_stage2_vc(struct pt_regs *regs, unsigned long exit_code)
if (result != ES_OK)
goto finish;
+ result = vc_check_opcode_bytes(&ctxt, exit_code);
+ if (result != ES_OK)
+ goto finish;
+
switch (exit_code) {
case SVM_EXIT_RDTSC:
case SVM_EXIT_RDTSCP:
@@ -368,7 +373,7 @@ static void enforce_vmpl0(void)
MSR_AMD64_SNP_VMPL_SSS | \
MSR_AMD64_SNP_SECURE_TSC | \
MSR_AMD64_SNP_VMGEXIT_PARAM | \
- MSR_AMD64_SNP_VMSA_REG_PROTECTION | \
+ MSR_AMD64_SNP_VMSA_REG_PROT | \
MSR_AMD64_SNP_RESERVED_BIT13 | \
MSR_AMD64_SNP_RESERVED_BIT15 | \
MSR_AMD64_SNP_RESERVED_MASK)