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Re: [PATCH 1/7] platform/x86: fujitsu-laptop: do not use kfifo for storing hotkey scancodes

From Darren Hart <dvhart@infradead.org>
Newsgroups linux.kernel
Subject Re: [PATCH 1/7] platform/x86: fujitsu-laptop: do not use kfifo for storing hotkey scancodes
Date 2017-06-23 02:00 +0200
Message-ID <tVkaZ-2ZS-3@gated-at.bofh.it> (permalink)
References (2 earlier) <tUSop-1kz-3@gated-at.bofh.it> <tUXHr-4R8-7@gated-at.bofh.it> <tV0lY-6PN-13@gated-at.bofh.it> <tV0Fj-7cI-9@gated-at.bofh.it> <tVhd8-1bE-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Thu, Jun 22, 2017 at 10:46:19PM +0200, Michał Kępień wrote:
> > The events seen by userspace with the original code would be "A-press",
> > "B-press", "A-release", "B-release".  With the revised code the order of the
> > release events would be reversed compared to the previous behaviour.  That
> > is, unless I've misunderstood how sparse_keymap_report_event() works.
> 
> All you wrote above is correct and this patch does change the order of
> release events sent to userspace when multiple hotkeys are pressed
> simultaneously.  The question is: is it relevant for any practical
> scenario?
> 
> Anyway, I find this matter to be of secondary importance.  The primary
> objective of this patch is to get rid of the kfifo.  If anyone has
> strong feelings about the change in event ordering, I will be happy to
> revert to FIFO in v2.

This all looks reasonable to me, I don't see anything requiring a respin.

-- 
Darren Hart
VMware Open Source Technology Center

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Re: [PATCH 1/7] platform/x86: fujitsu-laptop: do not use kfifo for  storing hotkey scancodes Darren Hart <dvhart@infradead.org> - 2017-06-21 20:20 +0200
  Re: [PATCH 1/7] platform/x86: fujitsu-laptop: do not use kfifo for  storing hotkey scancodes Jonathan Woithe <jwoithe@just42.net> - 2017-06-22 02:00 +0200
    Re: [PATCH 1/7] platform/x86: fujitsu-laptop: do not use kfifo for  storing hotkey scancodes Darren Hart <dvhart@infradead.org> - 2017-06-22 04:50 +0200
      Re: [PATCH 1/7] platform/x86: fujitsu-laptop: do not use kfifo for  storing hotkey scancodes Jonathan Woithe <jwoithe@just42.net> - 2017-06-22 05:10 +0200
        Re: [PATCH 1/7] platform/x86: fujitsu-laptop: do not use kfifo for  storing hotkey scancodes Michał Kępień <kernel@kempniu.pl> - 2017-06-22 22:50 +0200
          Re: [PATCH 1/7] platform/x86: fujitsu-laptop: do not use kfifo for  storing hotkey scancodes Darren Hart <dvhart@infradead.org> - 2017-06-23 02:00 +0200
            Re: [PATCH 1/7] platform/x86: fujitsu-laptop: do not use kfifo for  storing hotkey scancodes Jonathan Woithe <jwoithe@just42.net> - 2017-06-23 02:20 +0200
              Re: [PATCH 1/7] platform/x86: fujitsu-laptop: do not use kfifo for  storing hotkey scancodes Darren Hart <dvhart@infradead.org> - 2017-06-23 08:00 +0200
  Re: [PATCH 1/7] platform/x86: fujitsu-laptop: do not use kfifo for  storing hotkey scancodes Michał Kępień <kernel@kempniu.pl> - 2017-06-22 22:10 +0200
  Re: [PATCH 1/7] platform/x86: fujitsu-laptop: do not use kfifo for storing hotkey scancodes "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-06-24 02:40 +0200
    Re: [PATCH 1/7] platform/x86: fujitsu-laptop: do not use kfifo for  storing hotkey scancodes Darren Hart <dvhart@infradead.org> - 2017-06-27 02:10 +0200
      Re: [PATCH 1/7] platform/x86: fujitsu-laptop: do not use kfifo for  storing hotkey scancodes Jonathan Woithe <jwoithe@just42.net> - 2017-06-27 14:20 +0200
      Re: [PATCH 1/7] platform/x86: fujitsu-laptop: do not use kfifo for  storing hotkey scancodes Michał Kępień <kernel@kempniu.pl> - 2017-06-28 06:40 +0200
        Re: [PATCH 1/7] platform/x86: fujitsu-laptop: do not use kfifo for  storing hotkey scancodes Darren Hart <dvhart@infradead.org> - 2017-06-28 18:10 +0200

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