Messages in this thread Patch in this message | | | From | Yazen Ghannam <> | Subject | [PATCH v3 27/33] EDAC/amd64: Match hash function to reference code | Date | Thu, 28 Oct 2021 17:57:22 +0000 |
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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/20210623192002.3671647-29-yazen.ghannam@amd.com
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 --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index 9c74813c4128..c6fd813f596f 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -1133,7 +1133,7 @@ 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); -- 2.25.1
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