Re: [x86] copy_from{to}_user question

[Jeff Epler]

On Mon, Aug 24, 2015 at 03:52:11PM +0800, yalin wang wrote:
> i am not clear about what is STAC / SMAP ?
> could you give me a link for understanding ?

the first item I found by googling was
https://lwn.net/Articles/517251/

Jeff
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