linux-kernel - Re: [PATCH] lib/spinlock_debug: Tweak the loop time to fit different

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Message-ID: <20140430085508.GE30445@twins.programming.kicks-ass.net>
Date:	Wed, 30 Apr 2014 10:55:08 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	"Wang, Xiaoming" <xiaoming.wang@...el.com>
Cc:	mingo@...hat.com, linux-kernel@...r.kernel.org,
	chuansheng.liu@...el.com
Subject: Re: [PATCH] lib/spinlock_debug: Tweak the loop time to fit different
 _delay()

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?
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