linux-kernel - Re: [PATCH 2/4] perf_event: fix getting point

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Message-ID: <4B2838A7.7020509@cn.fujitsu.com>
Date:	Wed, 16 Dec 2009 09:32:23 +0800
From:	Xiao Guangrong <xiaoguangrong@...fujitsu.com>
To:	Frederic Weisbecker <fweisbec@...il.com>
CC:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <peterz@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/4] perf_event: fix getting point



Frederic Weisbecker wrote:

>> We can't do it in x86_32:
>> error: cast to pointer from integer of different size
> 
> 
> You can just do:
> 
> ptr = (void *)(unsigned long)value;
> 

Yeah, i forget this, it work well both in 32/64 machine.

Thanks,
Xiao
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