[v1] SVM guest shadow stack support

[PATCH 4/9] KVM: SVM: Rename vmplX_ssp -> plX_ssp

Posted by John Allen 2 years, 4 months ago

Rename SEV-ES save area SSP fields to be consistent with the APM.

Signed-off-by: John Allen <john.allen@amd.com>
---
 arch/x86/include/asm/svm.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/x86/include/asm/svm.h b/arch/x86/include/asm/svm.h
index 19bf955b67e0..568d97084e44 100644
--- a/arch/x86/include/asm/svm.h
+++ b/arch/x86/include/asm/svm.h
@@ -361,10 +361,10 @@ struct sev_es_save_area {
 	struct vmcb_seg ldtr;
 	struct vmcb_seg idtr;
 	struct vmcb_seg tr;
-	u64 vmpl0_ssp;
-	u64 vmpl1_ssp;
-	u64 vmpl2_ssp;
-	u64 vmpl3_ssp;
+	u64 pl0_ssp;
+	u64 pl1_ssp;
+	u64 pl2_ssp;
+	u64 pl3_ssp;
 	u64 u_cet;
 	u8 reserved_0xc8[2];
 	u8 vmpl;
-- 
2.40.1

Re: [PATCH 4/9] KVM: SVM: Rename vmplX_ssp -> plX_ssp

Posted by Maxim Levitsky 2 years, 3 months ago

On Tue, 2023-10-10 at 20:02 +0000, John Allen wrote:
> Rename SEV-ES save area SSP fields to be consistent with the APM.
> 
> Signed-off-by: John Allen <john.allen@amd.com>
> ---
>  arch/x86/include/asm/svm.h | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/x86/include/asm/svm.h b/arch/x86/include/asm/svm.h
> index 19bf955b67e0..568d97084e44 100644
> --- a/arch/x86/include/asm/svm.h
> +++ b/arch/x86/include/asm/svm.h
> @@ -361,10 +361,10 @@ struct sev_es_save_area {
>  	struct vmcb_seg ldtr;
>  	struct vmcb_seg idtr;
>  	struct vmcb_seg tr;
> -	u64 vmpl0_ssp;
> -	u64 vmpl1_ssp;
> -	u64 vmpl2_ssp;
> -	u64 vmpl3_ssp;
> +	u64 pl0_ssp;
> +	u64 pl1_ssp;
> +	u64 pl2_ssp;
> +	u64 pl3_ssp;
>  	u64 u_cet;
>  	u8 reserved_0xc8[2];
>  	u8 vmpl;

Matches the APM.

Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>

Best regards,
	Maxim Levitsky