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From: Ingo Molnar <mingo@elte.hu>
To: Andi Kleen <ak@suse.de>
Cc: travis@sgi.com, Andrew Morton <akpm@linux-foundation.org>,
	Christoph Lameter <clameter@sgi.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 5/5] x86: Add debug of invalid per_cpu map accesses
Date: Fri, 18 Jan 2008 21:49:56 +0100	[thread overview]
Message-ID: <20080118204956.GE3079@elte.hu> (raw)
In-Reply-To: <200801181933.05662.ak@suse.de>


* Andi Kleen <ak@suse.de> wrote:

> On Friday 18 January 2008 19:30:16 travis@sgi.com wrote:
> > Provide a means to trap usages of per_cpu map variables before they 
> > are setup.  Define CONFIG_DEBUG_PER_CPU_MAPS to activate.
> 
> Are you sure that debug option is generally useful enough to merge? It 
> seems very specific to your patchkit, but I'm not sure it would be 
> worth carrying forever in the kernel.

yeah, i think it's simple enough.

	Ingo

      parent reply	other threads:[~2008-01-18 20:50 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-18 18:30 [PATCH 0/5] x86: Reduce memory usage for large count NR_CPUs fixup travis
2008-01-18 18:30 ` [PATCH 1/5] x86: Change size of node ids from u8 to u16 fixup travis
2008-01-18 19:56   ` Jan Engelhardt
2008-01-18 19:59     ` Mike Travis
2008-01-19  4:03   ` Yinghai Lu
2008-01-19  4:36     ` David Rientjes
2008-01-19  4:43       ` Yinghai Lu
2008-01-19  5:17         ` David Rientjes
2008-01-19  6:20           ` Yinghai Lu
2008-01-19 21:25       ` Mike Travis
2008-01-19 22:33         ` David Rientjes
2008-01-20  0:41           ` Mike Travis
2008-01-20  1:31             ` Yinghai Lu
2008-01-20  6:22             ` David Rientjes
2008-01-18 18:30 ` [PATCH 2/5] x86: Change NR_CPUS arrays in numa_64 fixup travis
2008-01-18 18:30 ` [PATCH 3/5] x86: Change bios_cpu_apicid to percpu data variable fixup travis
2008-01-18 18:30 ` [PATCH 4/5] x86: Add config variables for SMP_MAX travis
2008-01-18 20:04   ` Ingo Oeser
2008-01-18 20:10     ` Christoph Lameter
2008-01-18 20:14     ` Mike Travis
2008-01-18 20:36       ` Andi Kleen
2008-01-18 20:48         ` Mike Travis
2008-01-18 21:02         ` [PATCH 4/5] x86: Add config variables for SMP_MAX II Andi Kleen
2008-01-18 20:48       ` [PATCH 4/5] x86: Add config variables for SMP_MAX Ingo Molnar
2008-01-18 20:55         ` Mike Travis
2008-01-18 20:58           ` Andi Kleen
2008-01-28 16:45       ` Paul Jackson
2008-01-28 17:00         ` Andi Kleen
2008-01-18 20:46   ` Ingo Molnar
2008-01-19 14:52   ` Ingo Molnar
2008-01-19 15:15     ` Ingo Molnar
2008-01-19 15:24       ` Ingo Molnar
2008-01-19 21:52         ` Mike Travis
2008-01-19 23:24         ` Mike Travis
2008-01-20  1:14         ` Mike Travis
2008-01-19 21:39     ` Mike Travis
2008-01-18 18:30 ` [PATCH 5/5] x86: Add debug of invalid per_cpu map accesses travis
2008-01-18 18:33   ` Andi Kleen
2008-01-18 18:49     ` Mike Travis
2008-01-18 18:56     ` Christoph Lameter
2008-01-18 20:49     ` Ingo Molnar [this message]

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