Re: [PATCH] cmpxchg: Discard unnecessary cast to volatile

[H. Peter Anvin]

On 10/21/2014 03:14 AM, Peter Zijlstra wrote:
> On Mon, Oct 20, 2014 at 04:22:27PM -0400, Pranith Kumar wrote:
>>> Generating a volatile pointer is really not necessary here. This is the only
>>> location where a volatile pointer is being generated for use in asm.
>>>
>>> This commit removes the unnecessary volatile pointer being created.
>>>
>>> Signed-off-by: Pranith Kumar <bobby.prani@xxxxxxxxx>
> 
> Seems sane enough to me.
> 

However, it seems like unnecessary churn.  Does the volatile hurt in any
way?

	-hpa

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