Messages in this thread | | | Date | Mon, 6 Jan 2014 12:24:36 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH] perf tools: enable close-on-exec flag on perf file descriptor |
| |
On Mon, Jan 06, 2014 at 11:51:25AM +0100, Yann Droneaud wrote: > In a previous patch [1][2], flag PERF_FLAG_FD_CLOEXEC was > added to perf_event_open(2) syscall to allows userspace > to enable close-on-exec behavor atomically when creating > the file descriptor. > > This patch makes perf tools use the new flag. > > Beware that perf tools compiled with the new flag won't work > on older kernel which do not support flag PERF_FLAG_FD_CLOEXEC. > > [1] http://lkml.kernel.org/r/8c03f54e1598b1727c19706f3af03f98685d9fe6.1388952061.git.ydroneaud@opteya.com > [2] https://patchwork.kernel.org/patch/3434971/ > > Cc: Peter Zijlstra <peterz@infradead.org> > Signed-off-by: Yann Droneaud <ydroneaud@opteya.com> > Link: http://lkml.kernel.org/r/cover.1388952061.git.ydroneaud@opteya.com
acme, ACK? I was thinking I'd keep these two patches together so the entire things lands in tip in one go?
| |