linux-kernel - [RFC PATCH 3/8] EDAC, mce_amd: Get rid of local var in amd_filter

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Date:   Tue, 25 Jul 2017 17:45:56 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     linux-edac <linux-edac@...r.kernel.org>
Cc:     Steven Rostedt <rostedt@...dmis.org>,
        Tony Luck <tony.luck@...el.com>,
        Yazen Ghannam <Yazen.Ghannam@....com>, X86 ML <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [RFC PATCH 3/8] EDAC, mce_amd: Get rid of local var in amd_filter_mce()

From: Borislav Petkov <bp@...e.de>

... and use the macro for that.

No functionality change.

Signed-off-by: Borislav Petkov <bp@...e.de>
---
 drivers/edac/mce_amd.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/edac/mce_amd.c b/drivers/edac/mce_amd.c
index c0ae47a5c7b7..a11a671c7a38 100644
--- a/drivers/edac/mce_amd.c
+++ b/drivers/edac/mce_amd.c
@@ -913,12 +913,10 @@ static inline void amd_decode_err_code(u16 ec)
  */
 static bool amd_filter_mce(struct mce *m)
 {
-	u8 xec = (m->status >> 16) & 0x1f;
-
 	/*
 	 * NB GART TLB error reporting is disabled by default.
 	 */
-	if (m->bank == 4 && xec == 0x5 && !report_gart_errors)
+	if (m->bank == 4 && XEC(m->status, 0x1f) == 0x5 && !report_gart_errors)
 		return true;
 
 	return false;
-- 
2.14.0.rc0