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| author | Dave Jones <davej@redhat.com> | 2013-01-18 18:58:47 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-01-24 12:12:42 +0100 |
| commit | e3f0f36ddf1b2743a0d4ea312996536a9c37e1c7 (patch) | |
| tree | 65c0216f4648f177f3cbd7d9e4df85cede4afdf5 /arch/x86/kernel/apic/ipi.c | |
| parent | Merge tag 'usb-3.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/greg... (diff) | |
| download | linux-e3f0f36ddf1b2743a0d4ea312996536a9c37e1c7.tar.xz linux-e3f0f36ddf1b2743a0d4ea312996536a9c37e1c7.zip | |
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>
Diffstat (limited to 'arch/x86/kernel/apic/ipi.c')
| -rw-r--r-- | arch/x86/kernel/apic/ipi.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/apic/ipi.c b/arch/x86/kernel/apic/ipi.c index cce91bf26676..7434d8556d09 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); |