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

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Message-ID: <alpine.DEB.2.11.1509170908010.3951@nanos>
Date:	Thu, 17 Sep 2015 09:08:51 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Zhu Jefferry <Jefferry.Zhu@...escale.com>
cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"bigeasy@...utronix.de" <bigeasy@...utronix.de>
Subject: RE: [PATCH v2] futex: lower the lock contention on the HB lock during
 wake up

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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