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Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on fallback

From "Luis R. Rodriguez" <mcgrof@kernel.org>
Newsgroups linux.kernel
Subject Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on fallback
Date 2017-06-07 19:10 +0200
Message-ID <tPMD1-11z-33@gated-at.bofh.it> (permalink)
References (1 earlier) <tKMki-7HS-25@gated-at.bofh.it> <tKMDD-84u-1@gated-at.bofh.it> <tKN6F-8dQ-1@gated-at.bofh.it> <tKSpH-3gE-1@gated-at.bofh.it> <tKWjF-5Mt-27@gated-at.bofh.it>
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On Thu, May 25, 2017 at 10:28:38AM +0200, Fuzzey, Martin wrote:
> 1) Android init calls write() on the sysfs file
> 2) The sysfs .store() callback registered by a driver is called
> 3) The driver calls request_firmware()
> 4) request_firmware() sends the firmware load request to userspace and
> calls wait_for_completion_interruptible()

Martin, just for completeness on documenting on the commit log of the next
swait proposed fix for this -- what signal did the process get from which you
note the child dies below ? Exactly what in Android sent this signal ?

> 5) A child dies and raises SIGCHLD
> 6) wait_for_completion_interruptible() returns -ERESTARTSYS due to the signal

  Luis

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Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on fallback "Luis R. Rodriguez" <mcgrof@kernel.org> - 2017-05-25 00:40 +0200
  Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on fallback Andy Lutomirski <luto@kernel.org> - 2017-05-25 06:20 +0200
    Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on fallback "Fuzzey, Martin" <mfuzzey@parkeon.com> - 2017-05-25 10:30 +0200
      Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on fallback ebiederm@xmission.com (Eric W. Biederman) - 2017-05-26 13:20 +0200
        Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on  fallback "Luis R. Rodriguez" <mcgrof@kernel.org> - 2017-05-26 21:50 +0200
          Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on fallback Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-05-27 03:30 +0200
            Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on  fallback Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-05-27 03:30 +0200
              Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on  fallback "Luis R. Rodriguez" <mcgrof@kernel.org> - 2017-06-05 22:30 +0200
                Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on  fallback Martin Fuzzey <mfuzzey@parkeon.com> - 2017-06-06 11:10 +0200
                Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on  fallback "Luis R. Rodriguez" <mcgrof@kernel.org> - 2017-06-06 18:40 +0200
                Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on  fallback "Luis R. Rodriguez" <mcgrof@kernel.org> - 2017-06-06 20:00 +0200
                Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on  fallback Alan Cox <alan@linux.intel.com> - 2017-06-06 17:00 +0200
                Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on  fallback "Luis R. Rodriguez" <mcgrof@kernel.org> - 2017-06-06 18:50 +0200
                Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on  fallback "Luis R. Rodriguez" <mcgrof@kernel.org> - 2017-06-06 20:00 +0200
                Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on  fallback Theodore Ts'o <tytso@mit.edu> - 2017-06-07 00:20 +0200
                Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on  fallback "Luis R. Rodriguez" <mcgrof@kernel.org> - 2017-06-07 02:30 +0200
                Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on fallback Andy Lutomirski <luto@kernel.org> - 2017-06-07 07:00 +0200
                Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on  fallback Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-06-07 08:30 +0200
                Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on  fallback Alan Cox <alan@linux.intel.com> - 2017-06-07 14:30 +0200
                Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on  fallback "Luis R. Rodriguez" <mcgrof@kernel.org> - 2017-06-07 19:20 +0200
                Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on fallback Andy Lutomirski <luto@kernel.org> - 2017-06-09 03:20 +0200
                Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on fallback "Luis R. Rodriguez" <mcgrof@kernel.org> - 2017-06-09 03:40 +0200
                Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on fallback "Luis R. Rodriguez" <mcgrof@kernel.org> - 2017-06-09 23:30 +0200
            Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on fallback "Luis R. Rodriguez" <mcgrof@kernel.org> - 2017-05-27 03:30 +0200
      Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on  fallback "Luis R. Rodriguez" <mcgrof@kernel.org> - 2017-05-26 21:50 +0200
        Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on  fallback "Luis R. Rodriguez" <mcgrof@kernel.org> - 2017-05-27 03:30 +0200
        Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on fallback "Fuzzey, Martin" <mfuzzey@parkeon.com> - 2017-05-27 03:50 +0200
      Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on  fallback "Luis R. Rodriguez" <mcgrof@kernel.org> - 2017-06-07 19:10 +0200
        Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on  fallback Martin Fuzzey <mfuzzey@parkeon.com> - 2017-06-07 20:00 +0200
          Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on fallback "Luis R. Rodriguez" <mcgrof@kernel.org> - 2017-06-09 03:20 +0200
            Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on fallback "Luis R. Rodriguez" <mcgrof@kernel.org> - 2017-06-09 04:00 +0200
              Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on  fallback Martin Fuzzey <mfuzzey@parkeon.com> - 2017-06-09 09:50 +0200
                Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on  fallback "Luis R. Rodriguez" <mcgrof@kernel.org> - 2017-06-09 23:20 +0200
                Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on  fallback "Luis R. Rodriguez" <mcgrof@kernel.org> - 2017-06-10 01:00 +0200

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