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Re: [Xen-devel] [v3,11/41] mips: reuse asm-generic/barrier.h

On Mon, Jan 11, 2016 at 05:14:14PM -0800, Leonid Yegoshin wrote:
> On 01/10/2016 06:18 AM, Michael S. Tsirkin wrote:
> >On mips dma_rmb, dma_wmb, smp_store_mb, read_barrier_depends,
> >smp_read_barrier_depends, smp_store_release and smp_load_acquire  match
> >the asm-generic variants exactly. Drop the local definitions and pull in
> >asm-generic/barrier.h instead.
> >
> This statement doesn't fit MIPS barriers variations. Moreover, there is a
> reason to extend that even more specific, at least for smp_store_release and
> smp_load_acquire, look into
>     http://patchwork.linux-mips.org/patch/10506/
> - Leonid.

Fine, but it matches what current code is doing.  Since that
MIPS_LIGHTWEIGHT_SYNC patch didn't go into linux-next yet, do
you see a problem reworking it on top of this patchset?


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