On Mon, Feb 03, 2025, Pratik R. Sampat wrote:
Abstract rep vmmcall coded into the VMGEXIT helper for the sev library.
No functional change intended.
Reviewed-by: Pankaj Gupta pankaj.gupta@amd.com Tested-by: Srikanth Aithal sraithal@amd.com Signed-off-by: Pratik R. Sampat prsampat@amd.com
v5..v6:
- Collected tags from Pankaj and Srikanth.
tools/testing/selftests/kvm/include/x86/sev.h | 2 ++ tools/testing/selftests/kvm/x86/sev_smoke_test.c | 2 +- 2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/kvm/include/x86/sev.h b/tools/testing/selftests/kvm/include/x86/sev.h index 82c11c81a956..e7df5d0987f6 100644 --- a/tools/testing/selftests/kvm/include/x86/sev.h +++ b/tools/testing/selftests/kvm/include/x86/sev.h @@ -27,6 +27,8 @@ enum sev_guest_state { #define GHCB_MSR_TERM_REQ 0x100 +#define VMGEXIT() { __asm__ __volatile__("rep; vmmcall"); }
Please make this a proper inline function, there's no reason to use a macro.