On Thu, 2015-08-27 at 13:56 -0400, Mathieu Desnoyers wrote: > Allow it to be used from SPU, since it should not have unwanted > side-effects. > > [ Untested on this architecture. To try it out: fetch linux-next/akpm, > apply this patch, build/run a membarrier-enabled kernel, and do make > kselftest. ] > > Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx> > CC: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > CC: linux-api@xxxxxxxxxxxxxxx > CC: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> > CC: Paul Mackerras <paulus@xxxxxxxxx> > CC: Michael Ellerman <mpe@xxxxxxxxxxxxxx> > CC: linuxppc-dev@xxxxxxxxxxxxxxxx Thanks. I get: $ ./membarrier_test membarrier MEMBARRIER_CMD_QUERY syscall available. membarrier: MEMBARRIER_CMD_SHARED success. membarrier: tests done! Which looks good. Assuming the membarrier support hits 4.3, I'll take this via my tree for 4.3 also. cheers -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
