Quoting r. Roland Dreier <[EMAIL PROTECTED]>:
> Another confusing thing is that asm-i386 defines mb() and rmb() just
> to be compiler barriers,
I see:
#define rmb() alternative("lock; addl $0,0(%%esp)", "lfence", X86_FEATURE_XMM2)
as for mb() - I don't thnk our kernel code uses that so I think userspace
should switch to wmb as well. wmb isjust a compiler barrier on most
arhitectures.
--
MST
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