From: Jiri Olsa <jolsa@redhat.com>
To: Yann Droneaud <ydroneaud@opteya.com>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Paul Mackerras <paulus@samba.org>, Ingo Molnar <mingo@redhat.com>,
Namhyung Kim <namhyung@kernel.org>,
Andi Kleen <ak@linux.intel.com>, David Ahern <dsahern@gmail.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
Mike Galbraith <efault@gmx.de>,
Stephane Eranian <eranian@google.com>,
Adrian Hunter <adrian.hunter@intel.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Michael Ellerman <michael@ellerman.id.au>,
Peter Zijlstra <peterz@infradead.org>,
linux-kernel@vger.kernel.org, Ingo Molnar <mingo@kernel.org>
Subject: Re: [PATCHv6] perf tools: enable close-on-exec flag on perf file descriptor
Date: Sun, 13 Jul 2014 01:28:21 +0200 [thread overview]
Message-ID: <20140712232821.GC29028@krava.redhat.com> (raw)
In-Reply-To: <1404160127-7475-1-git-send-email-ydroneaud@opteya.com>
On Mon, Jun 30, 2014 at 10:28:47PM +0200, Yann Droneaud wrote:
> In commit a21b0b354d4a ('perf: Introduce a flag to enable
> close-on-exec in perf_event_open()'), flag PERF_FLAG_FD_CLOEXEC
> was added to perf_event_open(2) syscall to allows userspace
> to atomically enable close-on-exec behavor when creating
> the file descriptor.
>
> This patch makes perf tools use the new flag if supported
> by the kernel, so that the event file descriptors got
> automatically closed if perf tool exec a sub-command.
>
> Cc: Peter Zijlstra <peterz@infradead.org>
> Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
> Cc: Jiri Olsa <jolsa@redhat.com>
> Cc: Andi Kleen <ak@linux.intel.com>
> Cc: Ingo Molnar <mingo@kernel.org>
> Signed-off-by: Yann Droneaud <ydroneaud@opteya.com>
> ---
>
> Hi,
>
> I've addressed the issues reported by Jiri Olsa,
> please have a look at the update patch.
hi,
I'll queue this one
thanks,
jirka
next prev parent reply other threads:[~2014-07-12 23:30 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-05 20:36 [PATCH v5 0/7] Getting rid of get_unused_fd() / enable close-on-exec Yann Droneaud
2014-01-05 20:36 ` [PATCHv5 1/7] ia64: use get_unused_fd_flags(0) instead of get_unused_fd() Yann Droneaud
2014-01-05 20:36 ` [PATCHv5 2/7] ppc/cell: " Yann Droneaud
2014-01-05 20:36 ` [PATCHv5 3/7] binfmt_misc: " Yann Droneaud
2014-01-05 20:36 ` [PATCHv5 4/7] file: " Yann Droneaud
2014-01-05 20:36 ` [PATCHv5 5/7] fanotify: enable close-on-exec on events' fd when requested in fanotify_init() Yann Droneaud
2014-01-20 17:15 ` Yann Droneaud
2014-01-05 20:36 ` [PATCHv5 6/7] perf: introduce a flag to enable close-on-exec in perf_event_open() Yann Droneaud
2014-01-06 9:29 ` Peter Zijlstra
2014-01-06 10:51 ` [PATCH] perf tools: enable close-on-exec flag on perf file descriptor Yann Droneaud
2014-01-06 11:24 ` Peter Zijlstra
2014-01-06 14:43 ` Arnaldo Carvalho de Melo
2014-01-06 21:01 ` Yann Droneaud
2014-01-06 21:14 ` Arnaldo Carvalho de Melo
2014-01-06 14:22 ` Jiri Olsa
2014-01-06 15:31 ` Yann Droneaud
2014-01-06 16:27 ` Andi Kleen
2014-01-06 16:39 ` Peter Zijlstra
2014-01-06 16:52 ` Andi Kleen
2014-01-06 17:15 ` Yann Droneaud
2014-01-11 18:07 ` [PATCHv1] " Yann Droneaud
2014-01-13 10:09 ` [PATCHv2] " Yann Droneaud
2014-01-15 18:50 ` Arnaldo Carvalho de Melo
2014-01-26 21:20 ` [PATCHv3] " Yann Droneaud
2014-03-11 8:39 ` [PATCHv4] " Yann Droneaud
2014-06-02 10:56 ` [PATCHv5] " Yann Droneaud
2014-06-02 19:23 ` Jiri Olsa
2014-06-03 8:57 ` Yann Droneaud
2014-06-03 9:23 ` Adrian Hunter
2014-06-03 11:51 ` Jiri Olsa
2014-06-30 20:28 ` [PATCHv6] " Yann Droneaud
2014-07-12 23:28 ` Jiri Olsa [this message]
2014-01-12 18:43 ` [tip:perf/core] perf: Introduce a flag to enable close-on-exec in perf_event_open() tip-bot for Yann Droneaud
2014-01-05 20:36 ` [PATCHv5 7/7] file: remove macro get_unused_fd() Yann Droneaud
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