[PATCH v2] membarrier: add MEMBARRIER_CMD_GET_REGISTRATIONS flag

Dmitry V. Levin ldv at strace.io
Thu Feb 2 18:43:17 UTC 2023


On Fri, Jan 13, 2023 at 08:37:17PM +0300, Dmitry V. Levin wrote:
> On Thu, Jan 12, 2023 at 02:10:52PM +0100, Sven Schnelle wrote:
> > Signed-off-by: Sven Schnelle <svens at linux.ibm.com>
> > ---
> > Changes in v2:
> > - add src/xlat/membarrier_cmds.in file
> > 
> >  src/xlat/membarrier_cmds.in |  1 +
> >  tests/membarrier.c          | 10 ++++++++++
> >  2 files changed, 11 insertions(+)
> > 
> > diff --git a/src/xlat/membarrier_cmds.in b/src/xlat/membarrier_cmds.in
> > index cfa683328636..86124bd1e645 100644
> > --- a/src/xlat/membarrier_cmds.in
> > +++ b/src/xlat/membarrier_cmds.in
> > @@ -8,3 +8,4 @@ MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE		(1 << 5)
> >  MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE	(1 << 6)
> >  MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ			(1 << 7)
> >  MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_RSEQ		(1 << 8)
> > +MEMBARRIER_CMD_GET_REGISTRATIONS			(1 << 9)
> 
> I see this as next-20230113~55^2~14^2~2 in linux-next,
> but not in mainline yet, when is it expected to land there?

Hopefully this will land in v6.3, so applied anyway.


-- 
ldv


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