Re: [RFC PATCH V3 09/16] x86/hyperv: SEV-SNP enlightened guest don't support legacy rtc

From: Tianyu Lan
Date: Wed Feb 01 2023 - 22:44:17 EST


On 1/31/2023 10:03 PM, Wei Liu wrote:
diff --git a/arch/x86/include/asm/mshyperv.h b/arch/x86/include/asm/mshyperv.h
index 1a4af0a4f29a..7266d71d30d6 100644
--- a/arch/x86/include/asm/mshyperv.h
+++ b/arch/x86/include/asm/mshyperv.h
@@ -33,6 +33,12 @@ extern bool hv_isolation_type_en_snp(void);
extern union hv_ghcb * __percpu *hv_ghcb_pg;
+/*
+ * Hyper-V puts processor and memory layout info
+ * to this address in SEV-SNP enlightened guest.
+ */
+#define EN_SEV_SNP_PROCESSOR_INFO_ADDR 0x802000
This hunk should be moved to the previous patch. It is not needed in
this patch.

Nice catch. Sorry for noise. Will fix in the next version.

Thanks.