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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-08-28 15:28:54 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-08-28 15:28:54 -0700 |
| commit | f31f663fa943c88683777bb8481d2d5d74e426d0 (patch) | |
| tree | 524663d52bf25439426c0a035b3233562149308a /arch/x86/boot | |
| parent | 28c59d94211934bc8a030222ee7c5e9147b733f6 (diff) | |
| parent | ac3f9c9f1b37edaa7d1a9b908bc79d843955a1a2 (diff) | |
Merge tag 'x86_sev_for_v6.6_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 SEV updates from Borislav Petkov:
- Handle the case where the beginning virtual address of the address
range whose SEV encryption status needs to change, is not page
aligned so that callers which round up the number of pages to be
decrypted, would mark a trailing page as decrypted and thus cause
corruption during live migration.
- Return an error from the #VC handler on AMD SEV-* guests when the
debug registers swapping is enabled as a DR7 access should not happen
then - that register is guest/host switched.
* tag 'x86_sev_for_v6.6_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/sev: Make enc_dec_hypercall() accept a size instead of npages
x86/sev: Do not handle #VC for DR7 read/write
Diffstat (limited to 'arch/x86/boot')
| -rw-r--r-- | arch/x86/boot/compressed/sev.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/boot/compressed/sev.c b/arch/x86/boot/compressed/sev.c index 199155b8af3b..dc8c876fbd8f 100644 --- a/arch/x86/boot/compressed/sev.c +++ b/arch/x86/boot/compressed/sev.c @@ -365,7 +365,7 @@ static void enforce_vmpl0(void) * 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 (0) +#define SNP_FEATURES_PRESENT MSR_AMD64_SNP_DEBUG_SWAP u64 snp_get_unsupported_features(u64 status) { |