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authorMichael Roth <michael.roth@amd.com>2022-02-09 12:10:02 -0600
committerBorislav Petkov <bp@suse.de>2022-04-06 13:02:26 +0200
commitbcce829083339bf862d66df602cbb111943da8fb (patch)
tree7e7a7045dce184d60217670d8c22a7066125bd27 /arch/x86/kernel/head64.c
parentec1c66af3a30d45c2420da0974c01d3515dba26e (diff)
x86/sev: Detect/setup SEV/SME features earlier in boot
sme_enable() handles feature detection for both SEV and SME. Future patches will also use it for SEV-SNP feature detection/setup, which will need to be done immediately after the first #VC handler is set up. Move it now in preparation. Signed-off-by: Michael Roth <michael.roth@amd.com> Signed-off-by: Brijesh Singh <brijesh.singh@amd.com> Signed-off-by: Borislav Petkov <bp@suse.de> Reviewed-by: Venu Busireddy <venu.busireddy@oracle.com> Link: https://lore.kernel.org/r/20220307213356.2797205-9-brijesh.singh@amd.com
Diffstat (limited to 'arch/x86/kernel/head64.c')
-rw-r--r--arch/x86/kernel/head64.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index 4f5ecbbaae77..cbc285ddc4ac 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -192,9 +192,6 @@ unsigned long __head __startup_64(unsigned long physaddr,
if (load_delta & ~PMD_PAGE_MASK)
for (;;);
- /* Activate Secure Memory Encryption (SME) if supported and enabled */
- sme_enable(bp);
-
/* Include the SME encryption mask in the fixup value */
load_delta += sme_get_me_mask();