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Re: [PATCH] futex: fix shared futex operations on nommu

From Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Newsgroups linux.kernel
Subject Re: [PATCH] futex: fix shared futex operations on nommu
Date 2016-04-26 12:00 +0200
Message-ID <rs7WI-5oQ-19@gated-at.bofh.it> (permalink)
References <rrZFL-7e1-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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* Rich Felker | 2016-04-25 21:03:03 [-0400]:

>The shared get_futex_key code does not work on nommu, but is not
>needed anyway because it's impossible for a given backing to have
>multiple distinct virtual addresses on nommu. Simply disable these
>code paths by refraining from setting FLAG_SHARED when CONFIG_MMU is
>not enabled.

by disabling it you are not fixing it.
Why isn't it working? Why does it pop up now and not earlier?

Sebastian

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Thread

[PATCH] futex: fix shared futex operations on nommu Rich Felker <dalias@libc.org> - 2016-04-26 03:10 +0200
  Re: [PATCH] futex: fix shared futex operations on nommu Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-04-26 12:00 +0200
    Re: [PATCH] futex: fix shared futex operations on nommu Rich Felker <dalias@libc.org> - 2016-04-26 18:00 +0200
      Re: [PATCH] futex: fix shared futex operations on nommu Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-04-26 18:20 +0200
        Re: [PATCH] futex: fix shared futex operations on nommu Rich Felker <dalias@libc.org> - 2016-04-26 18:30 +0200
          Re: [PATCH] futex: fix shared futex operations on nommu Andrew Morton <akpm@linux-foundation.org> - 2016-04-27 00:30 +0200
            Re: [PATCH] futex: fix shared futex operations on nommu Rich Felker <dalias@libc.org> - 2016-04-27 00:40 +0200
  Re: [PATCH] futex: fix shared futex operations on nommu Thomas Gleixner <tglx@linutronix.de> - 2016-04-27 15:50 +0200

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