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

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On Tue, Jan 12, 2016 at 10:43:36AM +0200, Michael S. Tsirkin wrote:
> 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?

That patch is a complete doorstop atm. It needs a lot more work before
it can go anywhere. Don't worry about it.




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