On 7/26/2017 11:03 AM, Borislav Petkov wrote:
  Subject: x86/realmode: ...


On Mon, Jul 24, 2017 at 02:07:45PM -0500, Brijesh Singh wrote:
From: Tom Lendacky <thomas.lenda...@amd.com>

When SEV is active the trampoline area will need to be in encrypted
memory so only mark the area decrypted if SME is active.

Signed-off-by: Tom Lendacky <thomas.lenda...@amd.com>
Signed-off-by: Brijesh Singh <brijesh.si...@amd.com>
  arch/x86/realmode/init.c | 6 ++++--
  1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/x86/realmode/init.c b/arch/x86/realmode/init.c
index 1f71980..c7eeca7 100644
--- a/arch/x86/realmode/init.c
+++ b/arch/x86/realmode/init.c
@@ -63,9 +63,11 @@ static void __init setup_real_mode(void)
         * If SME is active, the trampoline area will need to be in
         * decrypted memory in order to bring up other processors
-        * successfully.
+        * successfully. For SEV the trampoline area needs to be in
+        * encrypted memory, so only do this for SME.

Or simply say:

"It is not needed for SEV."

Will do.


To unsubscribe from this list: send the line "unsubscribe linux-efi" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to