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From: Peter Zijlstra <peterz@infradead.org>
To: "Wang, Xiaoming" <xiaoming.wang@intel.com>
Cc: mingo@redhat.com, linux-kernel@vger.kernel.org, chuansheng.liu@intel.com
Subject: Re: [PATCH] lib/spinlock_debug: Tweak the loop time to fit different _delay()
Date: Wed, 30 Apr 2014 10:55:08 +0200	[thread overview]
Message-ID: <20140430085508.GE30445@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <1398897638.21870.8.camel@wxm-ubuntu>

On Wed, Apr 30, 2014 at 06:40:38PM -0400, Wang, Xiaoming wrote:
> loops_per_jiffy*Hz  is not always 1 second exactly
> it depends on the realization of _delay() .
> delay_tsc is used as _delay() in arch/x86/lib/delay.c

This just states delay() is broken. The primary response should be to
try and fix that, no?

  parent reply	other threads:[~2014-04-30  8:55 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-30 22:40 Wang, Xiaoming
2014-04-30  8:50 ` Peter Zijlstra
2014-04-30  8:55 ` Peter Zijlstra [this message]
2014-04-30  9:30   ` Liu, Chuansheng
2014-04-30  9:52     ` Peter Zijlstra

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