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From: Andi Kleen <ak@suse.de>
To: travis@sgi.com
Cc: Andrew Morton <akpm@linux-foundation.org>,
mingo@elte.hu, 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 19:33:05 +0100 [thread overview]
Message-ID: <200801181933.05662.ak@suse.de> (raw)
In-Reply-To: <20080118183012.050317000@sgi.com>
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.
Better would be probably to just unmap those areas anyways.
-Andi
next prev parent reply other threads:[~2008-01-18 18:35 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 [this message]
2008-01-18 18:49 ` Mike Travis
2008-01-18 18:56 ` Christoph Lameter
2008-01-18 20:49 ` Ingo Molnar
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