> 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 o
Hello Peter,
> -Original Message-
> From: Peter Zijlstra [mailto:pet...@infradead.org]
> Sent: Wednesday, April 30, 2014 4:55 PM
> To: Wang, Xiaoming
> Cc: mi...@redhat.com; linux-kernel@vger.kernel.org; Liu, Chuansheng
> Subject: Re: [PATCH] lib/spinlock_debug: Tweak th
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 f
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
> It makes loop loops_per_jiffy larger than exception
> and causes one thread ca
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