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From: Thomas Gleixner <tglx@linutronix.de>
To: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Stefan Liebler <stli@linux.vnet.ibm.com>,
	Preeti U Murthy <preeti@linux.vnet.ibm.com>,
	Peter Zijlstra <peterz@infradead.org>,
	linux-kernel@vger.kernel.org
Subject: Re: futex timeout not working? (bisected)
Date: Fri, 16 Oct 2015 12:21:51 +0200 (CEST)	[thread overview]
Message-ID: <alpine.DEB.2.11.1510161218400.3960@nanos> (raw)
In-Reply-To: <20151015104347.GA4166@osiris>

Heiko,

On Thu, 15 Oct 2015, Heiko Carstens wrote:
>   /* We wait for half a second.  */
>   ts.tv_nsec += 500000000;
>   if (ts.tv_nsec >= 1000000000)
>     {
>       ++ts.tv_sec;
>       ts.tv_nsec -= 1000000000;
>     }
> 
>   ret = syscall (__NR_futex, &futex_word, op, expected, ts, NULL, FUTEX_BITSET_MATCH_ANY);

If you actually hand in a pointer to 'ts' then the program works as
expected even with the commit in question applied.

Thanks,

	tglx




  reply	other threads:[~2015-10-16 10:22 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-15 10:43 Heiko Carstens
2015-10-16 10:21 ` Thomas Gleixner [this message]
2015-10-16 10:31   ` Heiko Carstens
2015-10-16 10:33     ` Thomas Gleixner
2015-10-16 10:38       ` Heiko Carstens
2015-10-16 10:35     ` Thomas Gleixner
2015-10-16 10:54       ` Heiko Carstens
2015-10-16 11:50         ` Heiko Carstens
2015-10-16 12:19           ` Thomas Gleixner
2015-10-16 12:45             ` Thomas Gleixner
2015-10-16 13:41               ` Heiko Carstens

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