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
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