linux-kernel - [patch] x86, NMI: add to_cpumask() to silence compile warning

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Message-ID: <20111207110612.GA3437@mwanda>
Date:	Wed, 7 Dec 2011 14:06:12 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Don Zickus <dzickus@...hat.com>
Cc:	Ingo Molnar <mingo@...e.hu>, mingo@...hat.com, hpa@...or.com,
	linux-kernel@...r.kernel.org, andi@...stfloor.org,
	torvalds@...ux-foundation.org, peterz@...radead.org,
	robert.richter@....com, tglx@...utronix.de,
	linux-tip-commits@...r.kernel.org
Subject: [patch] x86, NMI: add to_cpumask() to silence compile warning

Gcc complains if we don't cast this to a struct cpumask pointer.
arch/x86/kernel/nmi_selftest.c:93:2:
	warning: passing argument 1 of ‘cpumask_empty’ from
	incompatible pointer type [enabled by default]

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

diff --git a/arch/x86/kernel/nmi_selftest.c b/arch/x86/kernel/nmi_selftest.c
index 1e42a23..0d01a8e 100644
--- a/arch/x86/kernel/nmi_selftest.c
+++ b/arch/x86/kernel/nmi_selftest.c
@@ -90,7 +90,7 @@ static void remote_ipi(void)
 {
 	cpumask_copy(to_cpumask(nmi_ipi_mask), cpu_online_mask);
 	cpumask_clear_cpu(smp_processor_id(), to_cpumask(nmi_ipi_mask));
-	if (!cpumask_empty(nmi_ipi_mask))
+	if (!cpumask_empty(to_cpumask(nmi_ipi_mask)))
 		test_nmi_ipi(to_cpumask(nmi_ipi_mask));
 }
 

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