linux-kernel - [PATCH]: mce: don't print "human readable" message for corrected errors

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Message-Id: <20110412174405.26867.65604.sendpatchset@prarit.bos.redhat.com>
Date:	Tue, 12 Apr 2011 13:44:05 -0400
From:	Prarit Bhargava <prarit@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	dzickus@...hat.com, mstowe@...hat.com, dnelson@...hat.com,
	tony.luck@...el.com, Prarit Bhargava <prarit@...hat.com>
Subject: [PATCH]: mce: don't print "human readable" message for corrected errors

Don't display the "human readable" warning for correctable errors in mce.
There is no need for this information to be displayed.

Signed-off-by: Prarit Bhargava <prarit@...hat.com>

diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 450a366..8024013 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -100,10 +100,16 @@ ATOMIC_NOTIFIER_HEAD(x86_mce_decoder_chain);
 EXPORT_SYMBOL_GPL(x86_mce_decoder_chain);
 
 static int default_decode_mce(struct notifier_block *nb, unsigned long val,
-			       void *data)
+			      void *data)
 {
-	pr_emerg(HW_ERR "No human readable MCE decoding support on this CPU type.\n");
-	pr_emerg(HW_ERR "Run the message through 'mcelog --ascii' to decode.\n");
+	struct mce *m = (struct mce *)data;
+
+	if (m->status & MCI_STATUS_UC) {
+		pr_emerg(HW_ERR "No human readable MCE decoding support "
+			 "on this CPU type.\n");
+		pr_emerg(HW_ERR "Run the message through 'mcelog --ascii' "
+			 "to decode.\n");
+	}
 
 	return NOTIFY_STOP;
 }
--
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