linux-kernel - Re: [PULL] x86 cpumask work

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Message-Id: <200903132342.42813.rusty@rustcorp.com.au>
Date:	Fri, 13 Mar 2009 23:42:42 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org, x86@...nel.org,
	Mike Travis <travis@....com>
Subject: Re: [PULL] x86 cpumask work

On Friday 13 March 2009 16:02:14 Ingo Molnar wrote:
> 
> another box crashed too, with:

Interestingly, I needed both these patches.  And *both* generated compile
warnings.  Grr...

Rusty.

Subject: cpumask: fix CONFIG_DEBUG_PER_CPU_MAPS=y cpumask_of_node version.

Impact: Fix crash

c032ef60d1aa9af33730b7a35bbea751b131adc1 "cpumask: convert
node_to_cpumask_map[] to cpumask_var_t" didn't get this one
conversion.  There was a compile warning, but I missed it.

Signed-off-by: Rusty Russell <rusty@...tcorp.com.au>

diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
--- a/arch/x86/mm/numa.c
+++ b/arch/x86/mm/numa.c
@@ -61,7 +61,7 @@ const cpumask_t *cpumask_of_node(int nod
 		dump_stack();
 		return cpu_online_mask;
 	}
-	return &node_to_cpumask_map[node];
+	return node_to_cpumask_map[node];
 }
 EXPORT_SYMBOL(cpumask_of_node);
 #endif
--
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