diff mbox series

[24/25] x86/MCE/AMD: Match hash function to reference code

Message ID 20210507190140.18854-25-Yazen.Ghannam@amd.com (mailing list archive)
State New, archived
Headers show
Series AMD MCA Address Translation Updates | expand

Commit Message

Yazen Ghannam May 7, 2021, 7:01 p.m. UTC 
From: Yazen Ghannam <yazen.ghannam@amd.com>

The reference code for DF2 hashing was changed to XOR the interleave
address bit rather than the CS ID. Match that here.

Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
---
 arch/x86/kernel/cpu/mce/amd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/x86/kernel/cpu/mce/amd.c b/arch/x86/kernel/cpu/mce/amd.c
index 3340f8326681..b3bfdc42dcaa 100644
--- a/arch/x86/kernel/cpu/mce/amd.c
+++ b/arch/x86/kernel/cpu/mce/amd.c
@@ -1037,7 +1037,7 @@  static int dehash_addr_df2(struct addr_ctx *ctx)
 			(ctx->ret_addr >> 18) ^
 			(ctx->ret_addr >> 21) ^
 			(ctx->ret_addr >> 30) ^
-			ctx->cs_id;
+			(ctx->ret_addr >> ctx->intlv_addr_bit);
 
 	hashed_bit &= BIT(0);