Re: [PATCH] x86-64: remove locked instruction from switch_to()

[Ingo Molnar]

* Benjamin LaHaise <bcrl@xxxxxxxxx> wrote:

> Here is a rediffed and test booted version of the patch against linus' git 
> tree as of a couple of hours ago.
> 
> The patch below removes an unnecessary locked instruction from 
> switch_to().  TIF_FORK is only ever set in copy_thread() on initial 
> process creation, and gets cleared during the first scheduling of the 
> process.  As such, it is safe to use an unlocked test for the flag 
> within switch_to()./
> 
> Signed-off-by: Benjamin LaHaise <bcrl@xxxxxxxxx>

applied to tip/x86/asm, thanks Ben!

	Ingo
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