From: tip-bot for Dave Jones <davej@redhat.com>
To: linux-tip-commits@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@kernel.org,
akpm@linux-foundation.org, davej@redhat.com, tglx@linutronix.de
Subject: [tip:x86/apic] x86/apic: Remove noisy zero-mask warning from default_send_IPI_mask_logical()
Date: Thu, 24 Jan 2013 12:07:28 -0800 [thread overview]
Message-ID: <tip-e3f0f36ddf1b2743a0d4ea312996536a9c37e1c7@git.kernel.org> (raw)
In-Reply-To: <20130118175847.GA27662@redhat.com>
Commit-ID: e3f0f36ddf1b2743a0d4ea312996536a9c37e1c7
Gitweb: http://git.kernel.org/tip/e3f0f36ddf1b2743a0d4ea312996536a9c37e1c7
Author: Dave Jones <davej@redhat.com>
AuthorDate: Fri, 18 Jan 2013 12:58:47 -0500
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Thu, 24 Jan 2013 12:12:42 +0100
x86/apic: Remove noisy zero-mask warning from default_send_IPI_mask_logical()
Since circa 3.5, we've had dozens of reports of people hitting
this warning. Forwarded reports have been met with silence, so
just remove the warning if no-one cares.
Example reports:
https://bugzilla.redhat.com/show_bug.cgi?id=797687
https://bugzilla.redhat.com/show_bug.cgi?id=867174
https://bugzilla.redhat.com/show_bug.cgi?id=894865
Signed-off-by: Dave Jones <davej@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/20130118175847.GA27662@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
arch/x86/kernel/apic/ipi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kernel/apic/ipi.c b/arch/x86/kernel/apic/ipi.c
index cce91bf..7434d85 100644
--- a/arch/x86/kernel/apic/ipi.c
+++ b/arch/x86/kernel/apic/ipi.c
@@ -106,7 +106,7 @@ void default_send_IPI_mask_logical(const struct cpumask *cpumask, int vector)
unsigned long mask = cpumask_bits(cpumask)[0];
unsigned long flags;
- if (WARN_ONCE(!mask, "empty IPI mask"))
+ if (!mask)
return;
local_irq_save(flags);
prev parent reply other threads:[~2013-01-24 20:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-18 17:58 Remove noisy warning from default_send_IPI_mask_logical Dave Jones
2013-01-24 20:07 ` tip-bot for Dave Jones [this message]
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