Re: [PATCH v3 06/11] perf: Add support for SIGTRAP on perf events

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To: Marco Elver <elver@xxxxxxxxxx>
Subject: Re: [PATCH v3 06/11] perf: Add support for SIGTRAP on perf events
From: Oleg Nesterov <oleg@xxxxxxxxxx>
Date: Mon, 29 Mar 2021 20:33:52 +0200
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>, Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Jiri Olsa <jolsa@xxxxxxxxxx>, Mark Rutland <mark.rutland@xxxxxxx>, Namhyung Kim <namhyung@xxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Alexander Potapenko <glider@xxxxxxxxxx>, Al Viro <viro@xxxxxxxxxxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Christian Brauner <christian@xxxxxxxxxx>, Dmitry Vyukov <dvyukov@xxxxxxxxxx>, Jann Horn <jannh@xxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Matt Morehouse <mascasa@xxxxxxxxxx>, Peter Collingbourne <pcc@xxxxxxxxxx>, Ian Rogers <irogers@xxxxxxxxxx>, kasan-dev <kasan-dev@xxxxxxxxxxxxxxxx>, linux-arch <linux-arch@xxxxxxxxxxxxxxx>, linux-fsdevel <linux-fsdevel@xxxxxxxxxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>, the arch/x86 maintainers <x86@xxxxxxxxxx>, "open list:KERNEL SELFTEST FRAMEWORK" <linux-kselftest@xxxxxxxxxxxxxxx>, Jiri Olsa <jolsa@xxxxxxxxxx>
In-reply-to: <CANpmjNN=dpMmanU1mzigUscZQ6_Bx6u4u5mS4Ukhy0PTiexgDA@mail.gmail.com>
References: <20210324112503.623833-1-elver@google.com> <20210324112503.623833-7-elver@google.com> <YFxGb+QHEumZB6G8@elver.google.com> <YGHC7V3bbCxhRWTK@hirez.programming.kicks-ass.net> <20210329142705.GA24849@redhat.com> <CANpmjNN=dpMmanU1mzigUscZQ6_Bx6u4u5mS4Ukhy0PTiexgDA@mail.gmail.com>
User-agent: Mutt/1.5.24 (2015-08-30)

On 03/29, Marco Elver wrote:
>
> So, per off-list discussion, it appears that I should ask to clarify:
> PF_EXISTING or PF_EXITING?

Aaaaaaah, sorry Marco.

PF_EXITING, of course.

Oleg.

References:
- [PATCH v3 00/11] Add support for synchronous signals on perf events
  - From: Marco Elver
- [PATCH v3 06/11] perf: Add support for SIGTRAP on perf events
  - From: Marco Elver
- Re: [PATCH v3 06/11] perf: Add support for SIGTRAP on perf events
  - From: Marco Elver
- Re: [PATCH v3 06/11] perf: Add support for SIGTRAP on perf events
  - From: Peter Zijlstra
- Re: [PATCH v3 06/11] perf: Add support for SIGTRAP on perf events
  - From: Oleg Nesterov
- Re: [PATCH v3 06/11] perf: Add support for SIGTRAP on perf events
  - From: Marco Elver

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