diff mbox series

[v4,22/24] EDAC/amd64: Match hash function to reference code

Message ID 20220127204115.384161-23-yazen.ghannam@amd.com (mailing list archive)
State New, archived
Headers show
Series AMD MCA Address Translation Updates | expand

Commit Message

Yazen Ghannam Jan. 27, 2022, 8:41 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://lore.kernel.org/r/20211028175728.121452-28-yazen.ghannam@amd.com

v3->v4:
* No change.

v2->v3:
* Was patch 28 in v2.

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 e293aefd486e..601ececf5106 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -1142,7 +1142,7 @@  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);