linux-kernel - Re: [git pull] OProfile fixes for v2.6.28

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Message-ID: <4917F85E.5080306@cosmosbay.com>
Date:	Mon, 10 Nov 2008 10:01:18 +0100
From:	Eric Dumazet <dada1@...mosbay.com>
To:	Andi Kleen <andi@...stfloor.org>
CC:	Robert Richter <robert.richter@....com>,
	Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [git pull] OProfile fixes for v2.6.28

Andi Kleen a écrit :
> Eric Dumazet <dada1@...mosbay.com> writes:
> 
>> diff --git a/arch/x86/oprofile/op_model_ppro.c b/arch/x86/oprofile/op_model_ppro.c
>> index 3f1b81a..716d26f 100644
>> --- a/arch/x86/oprofile/op_model_ppro.c
>> +++ b/arch/x86/oprofile/op_model_ppro.c
>> @@ -69,7 +69,7 @@ static void ppro_setup_ctrs(struct op_msrs const * const msrs)
>>  	int i;
>>  
>>  	if (!reset_value) {
>> -		reset_value = kmalloc(sizeof(unsigned) * num_counters,
>> +		reset_value = kmalloc(sizeof(reset_value[0]) * num_counters,
> 
> Thanks for tracking this down.
> 
> But that still doesn't explain why 2.6.27 fails too?

No :(

In fact 2.6.24 fails too. Oprofile never worked correctly.

Still investigating...

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