On Wed, Jan 27, 2016 at 09:37:45AM -0800, Linus Torvalds wrote:
> On Wed, Jan 27, 2016 at 7:10 AM, Michael S. Tsirkin <mst@xxxxxxxxxx> wrote:
> >
> > -#define __smp_mb() mb()
> > +#define __smp_mb() asm volatile("lock; addl $0,-4(%%esp)" ::: "memory", "cc")
>
> So this doesn't look right for x86-64. Using %esp rather than %rsp.
> How did that even work for you?
>
> Linus
Oops, didn't test this version properly.
Pls disregard, I'll repost after some proper testing.
--
MST
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