linux-kernel - Re: [GIT-PULL] time.c integration

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Message-ID: <20080731165113.GI26393@elte.hu>
Date:	Thu, 31 Jul 2008 18:51:13 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Yinghai Lu <yhlu.kernel@...il.com>
Cc:	Glauber Costa <gcosta@...hat.com>, tglx@...utronix.de,
	hpa@...or.com, linux-kernel@...r.kernel.org, x86@...nel.org
Subject: Re: [GIT-PULL] time.c integration


* Yinghai Lu <yhlu.kernel@...il.com> wrote:

> On Wed, Jul 30, 2008 at 11:51 AM, Ingo Molnar <mingo@...e.hu> wrote:
> >
> > * Ingo Molnar <mingo@...e.hu> wrote:
> >
> >> Also, please do smaller steps while bringing both time_32.c and
> >> time_64.c up into their final forms (and do it in multiple commits),
> >> and make sure each step compiles on their respective defconfig. time.c
> >> details are historically fragile, i'd not be surprised if this series
> >> was the target of bisection efforts.
> >
> > i briefly put your current variant into tip/master, but it has build
> > problems as well:
> >
> > arch/x86/kernel/io_apic_64.c: In function 'check_timer':
> > arch/x86/kernel/io_apic_64.c:2016: error: 'timer_ack' undeclared (first use in this function)
> > arch/x86/kernel/io_apic_64.c:2016: error: (Each undeclared identifier is reported only once
> > arch/x86/kernel/io_apic_64.c:2016: error: for each function it appears in.)
> >
> > with:
> >
> >  http://redhat.com/~mingo/misc/config-Wed_Jul_30_20_50_17_CEST_2008.bad
> >
> >        Ingo
> > --
> diff --git a/include/asm-x86/timer.h b/include/asm-x86/timer.h
> index d0babce..e4eb6ab 100644
> --- a/include/asm-x86/timer.h
> +++ b/include/asm-x86/timer.h
> @@ -9,8 +9,8 @@
>  unsigned long long native_sched_clock(void);
>  unsigned long native_calibrate_tsc(void);
> 
> -#ifdef CONFIG_X86_32
>  extern int timer_ack;
> +#ifdef CONFIG_X86_32
>  extern int recalibrate_cpu_khz(void);
>  #endif /* CONFIG_X86_32 */

thanks - but i'll wait for Glauber's new, more finegrained series. I 
think regarding time.c one cannot be over-cautious enough.

	Ingo
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