Re: [PATCH] perf tools: enable close-on-exec flag on perf filedescriptor

[Peter Zijlstra]

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@xxxxxxxxxx
> [2] https://patchwork.kernel.org/patch/3434971/
> 
> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
> Signed-off-by: Yann Droneaud <ydroneaud@xxxxxxxxxx>
> Link: http://lkml.kernel.org/r/cover.1388952061.git.ydroneaud@xxxxxxxxxx

acme, ACK? I was thinking I'd keep these two patches together so the
entire things lands in tip in one go?
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