linux-kernel - Re: [UPDATED PATCH VER2] Cell OProfile: Incorrect local array size in activate spu profiling function

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Message-ID: <20081031151413.GE9785@erda.amd.com>
Date:	Fri, 31 Oct 2008 16:14:13 +0100
From:	Robert Richter <robert.richter@....com>
To:	Carl Love <cel@...ibm.com>
CC:	michael@...erman.id.au, Hannsj_uhl <Hannsj_uhl@...ibm.com>,
	acjohnso <acjohnso@...ibm.com>,
	oprofile-list@...ts.sourceforge.net, linuxppc-dev@...abs.org,
	cel@...ux.vnet.ibm.com, cbe-oss-dev@...abs.org,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [UPDATED PATCH VER2] Cell OProfile: Incorrect local array size
	in activate spu profiling function

On 29.10.08 08:06:45, Carl Love wrote:
> Updated the patch to address comments by Michael Ellerman.  
> Specifically, changed upper limit in for loop to 
> ARRAY_SIZE() macro and added a check to make sure the 
> number of events specified by the user, which is used as
> the max for indexing various arrays, is no bigger then the
> declared size of the arrays.
> 
> The size of the pm_signal_local array should be equal to the
> number of SPUs being configured in the array.  Currently, the
> array is of size 4 (NR_PHYS_CTRS) but being indexed by a for 
> loop from 0 to 7 (NUM_SPUS_PER_NODE).  
> 
> Signed-off-by: Carl Love <carll@...ibm.com>

I applied your patch to oprofile/oprofile-for-tip. Thanks Carl.

-Robert

-- 
Advanced Micro Devices, Inc.
Operating System Research Center
email: robert.richter@....com

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