RE: [PATCH v2] futex: lower the lock contention on the HB lock during wake up

From	Thomas Gleixner <tglx@linutronix.de>
Newsgroups	linux.kernel
Subject	RE: [PATCH v2] futex: lower the lock contention on the HB lock during wake up
Date	2015-09-17 09:20 +0200
Message-ID	<q9BE6-4IO-21@gated-at.bofh.it> (permalink)
References	(4 earlier) <q9hP5-1id-39@gated-at.bofh.it> <q9i8s-1Fl-41@gated-at.bofh.it> <q9iUO-2PF-27@gated-at.bofh.it> <q9l6j-5SL-47@gated-at.bofh.it> <q9uMh-2R6-1@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Wed, 16 Sep 2015, Zhu Jefferry wrote:
> Besides the application did not check the return value, the mutex_unlock in
> Libc did not check the return value from kernel neither. 

That's even worse.

Thanks,

	tglx
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RE: [PATCH v2] futex: lower the lock contention on the HB lock during  wake up Zhu Jefferry <Jefferry.Zhu@freescale.com> - 2015-09-15 04:10 +0200
  RE: [PATCH v2] futex: lower the lock contention on the HB lock during  wake up Thomas Gleixner <tglx@linutronix.de> - 2015-09-16 02:10 +0200
    RE: [PATCH v2] futex: lower the lock contention on the HB lock during  wake up Zhu Jefferry <Jefferry.Zhu@freescale.com> - 2015-09-16 02:20 +0200
      RE: [PATCH v2] futex: lower the lock contention on the HB lock during  wake up Thomas Gleixner <tglx@linutronix.de> - 2015-09-16 10:10 +0200
        RE: [PATCH v2] futex: lower the lock contention on the HB lock during  wake up Zhu Jefferry <Jefferry.Zhu@freescale.com> - 2015-09-16 12:10 +0200
          RE: [PATCH v2] futex: lower the lock contention on the HB lock during  wake up Thomas Gleixner <tglx@linutronix.de> - 2015-09-16 12:30 +0200
            RE: [PATCH v2] futex: lower the lock contention on the HB lock during  wake up Zhu Jefferry <Jefferry.Zhu@freescale.com> - 2015-09-16 13:20 +0200
              RE: [PATCH v2] futex: lower the lock contention on the HB lock during  wake up Thomas Gleixner <tglx@linutronix.de> - 2015-09-16 15:40 +0200
                RE: [PATCH v2] futex: lower the lock contention on the HB lock during  wake up Zhu Jefferry <Jefferry.Zhu@freescale.com> - 2015-09-17 02:00 +0200
                RE: [PATCH v2] futex: lower the lock contention on the HB lock during  wake up Thomas Gleixner <tglx@linutronix.de> - 2015-09-17 09:20 +0200

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