On Sun, Apr 08, 2018 at 09:07:29AM +0900, Stafford Horne wrote: > On Sat, Apr 07, 2018 at 11:09:05AM +0200, Peter Zijlstra wrote: > > On Sat, Apr 07, 2018 at 05:58:49AM +0900, Stafford Horne wrote: > > > Following Peter Z's patch ("asm-generic: Disallow no-op mb() for SMP > > > systems") which makes mb() mandatory for SMP architectures we define it > > > as l.msync. On OpenRISC this will flush the current cores write buffer > > > and trigger remote cores to invalidate their caches of the written > > > memory. > > > > > > Signed-off-by: Stafford Horne <sho...@gmail.com> > > > Link: https://lkml.org/lkml/2018/1/31/254 > > > Cc: Peter Zijlstra <pet...@infradead.org> > > > Cc: Will Deacon <will.dea...@arm.com> > > > --- > > > > > > Notes: > > > - Sorry, its been a while since we discussed this patch is the parent > > > to this > > > still going in Peter? > > > > Oops.. yes it should. It seems I also lost track of it. Thanks for the > > reminder! > > No Problem, > > If you think this patch makes sense I can just put it into my OpenRISC queue > for > 4.17. I dont see any reason to wait for yours. Any thoughts?
I'm fine with you taking the patch, but I just saw the build robot found two failure cases: PARISC and 32-bit SPARC. I send patches for both, if their respective maintainers agree you could do the lot.