diff mbox series

[v2,28/31] EDAC/amd64: Match hash function to reference code

Message ID 20210623192002.3671647-29-yazen.ghannam@amd.com (mailing list archive)
State New, archived
Headers show
Series AMD MCA Address Translation Updates | expand

Commit Message

Yazen Ghannam June 23, 2021, 7:19 p.m. UTC 
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>
---
Link:
https://lkml.kernel.org/r/20210507190140.18854-25-Yazen.Ghannam@amd.com

v1->v2:
* Moved from arch/x86 to EDAC.

 drivers/edac/amd64_edac.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index fc2cd288df0f..7ba6aa97e80d 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -1162,7 +1162,7 @@  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);