From: Borislav Petkov <bp@amd64.org>
To: EDAC devel <linux-edac@vger.kernel.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
Borislav Petkov <borislav.petkov@amd.com>
Subject: [PATCH 1/3] amd64_edac: Remove node interleave warning
Date: Sat, 23 Apr 2011 09:13:57 +0200 [thread overview]
Message-ID: <1303542839-28442-1-git-send-email-bp@amd64.org> (raw)
From: Borislav Petkov <borislav.petkov@amd.com>
This warning was wrongfully added for a normal condition - intlvsel
actually selects the destination node when node interleaving is enabled
and it is not a mismatch. For a detailed example, see section 2.8.10.2
"Node Interleaving" in F10h BKDG.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
---
drivers/edac/amd64_edac.c | 6 +-----
1 files changed, 1 insertions(+), 5 deletions(-)
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 31e71c4f..8dff05b 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -1403,12 +1403,8 @@ static int f1x_match_to_this_node(struct amd64_pvt *pvt, unsigned range,
return -EINVAL;
}
- if (intlv_en &&
- (intlv_sel != ((sys_addr >> 12) & intlv_en))) {
- amd64_warn("Botched intlv bits, en: 0x%x, sel: 0x%x\n",
- intlv_en, intlv_sel);
+ if (intlv_en && (intlv_sel != ((sys_addr >> 12) & intlv_en)))
return -EINVAL;
- }
sys_addr = f1x_swap_interleaved_region(pvt, sys_addr);
--
1.7.4.rc2
reply other threads:[~2011-04-23 7:14 UTC|newest]
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