Messages in this thread | | | Date | Wed, 6 Feb 2019 10:44:33 +1100 | From | Stephen Rothwell <> | Subject | Re: linux-next: manual merge of the mips tree with the mips-fixes tree |
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Hi Paul,
On Tue, 5 Feb 2019 23:35:31 +0000 Paul Burton <paul.burton@mips.com> wrote: > > cmpxchg() doesn't need the added loongson_llsc_mb() barrier that > set_pte() has in mips-fixes because for the affected Loongson 3 > configurations the smp_mb__before_llsc() that cmpxchg() already contains > is equivalent (both will emit a "sync 0" instruction).
OK, good to know, thanks.
-- Cheers, Stephen Rothwell [unhandled content-type:application/pgp-signature] | |