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

From Andy Lutomirski <luto@kernel.org>
Newsgroups linux.kernel
Subject Re: [PATCH v2] firmware: fix sending -ERESTARTSYS due to signal on fallback
Date 2017-06-07 07:00 +0200
Message-ID <tPBex-1PL-7@gated-at.bofh.it> (permalink)
References (6 earlier) <tP6Nr-7zW-1@gated-at.bofh.it> <tPo7D-1Hh-1@gated-at.bofh.it> <tPpQ5-2QG-11@gated-at.bofh.it> <tPuZs-6kh-9@gated-at.bofh.it> <tPx1f-7Cp-5@gated-at.bofh.it>
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On Tue, Jun 6, 2017 at 5:22 PM, Luis R. Rodriguez <mcgrof@kernel.org> wrote:
> On Tue, Jun 06, 2017 at 06:11:51PM -0400, Theodore Ts'o wrote:
>> On Tue, Jun 06, 2017 at 06:47:34PM +0200, Luis R. Rodriguez wrote:
>> > On Tue, Jun 06, 2017 at 03:53:16PM +0100, Alan Cox wrote:
>
> We rely on swait, and swait right now only uses -ERESTARTSYS. Are
> you saying we could mask out -ERESTARTSYS and map it to -ERESTARTNOINTR
> or -ERESTARTNOHAND if we see fit for some future functionality / need ?

I think that has essentially nothing to do with swait.  User code does
some syscall.  That syscall triggers a firmware load.  The caller gets
a signal.  If you're going to let firmware load get interrupted, you
need to consider what the syscall is.

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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> - 2017-05-27 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

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