Excerpts from Peter Zijlstra's message of July 2, 2020 6:28 pm:
> On Thu, Jul 02, 2020 at 05:48:33PM +1000, Nicholas Piggin wrote:
>> There is no need for rmb(), this allows faster lwsync here.
>
> Since you determined this; I'm thinking you actually understand the
> ordering here. How about
On Thu, Jul 02, 2020 at 05:48:33PM +1000, Nicholas Piggin wrote:
> There is no need for rmb(), this allows faster lwsync here.
Since you determined this; I'm thinking you actually understand the
ordering here. How about recording this understanding in a comment?
Also, should the lock->slock load
There is no need for rmb(), this allows faster lwsync here.
Signed-off-by: Nicholas Piggin
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arch/powerpc/lib/locks.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/lib/locks.c b/arch/powerpc/lib/locks.c
index 6440d5943c00..47a530de733e 100644
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