> On Oct 2, 2018, at 1:12 AM, Peter Zijlstra <pet...@infradead.org> wrote: > > On Mon, Oct 01, 2018 at 10:36:36PM -0700, Song Liu wrote: >> Changes v1 -> v2: Fix PMU_FORMAT_ATTR as Peter suggested >> >> This patch enables uprobes with reference counter in fd-based uprobe. >> Highest 32 bits of perf_event_attr.config is used to stored offset >> of the reference count (semaphore). >> >> Format information in /sys/bus/event_source/devices/uprobe/format/ is >> updated to reflect this new feature. >> >> Signed-off-by: Song Liu <songliubrav...@fb.com> >> Reviewed-and-tested-by: Ravi Bangoria <ravi.bango...@linux.ibm.com> >> Cc: Oleg Nesterov <o...@redhat.com> >> Cc: Steven Rostedt (VMware) <rost...@goodmis.org> >> Cc: Peter Zijlstra <pet...@infradead.org> > > Works for me, > > Acked-by: Peter Zijlstra (Intel) <pet...@infradead.org> Thanks Peter! Steven, could you please test/apply this? Best, Song