linux-kernel - Re: [1/6] 2.6.21-rc4: known regressions

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Message-ID: <Pine.LNX.4.64.0703231112350.6730@woody.linux-foundation.org>
Date:	Fri, 23 Mar 2007 11:13:56 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Thomas Gleixner <tglx@...utronix.de>
cc:	Ingo Molnar <mingo@...e.hu>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Nick Piggin <nickpiggin@...oo.com.au>,
	Mingming Cao <cmm@...ibm.com>, Adrian Bunk <bunk@...sta.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Michal Piotrowski <michal.k.k.piotrowski@...il.com>,
	Mariusz Kozlowski <m.kozlowski@...land.pl>,
	Oliver Pinter <oliver.pntr@...il.com>,
	Sid Boyce <g3vbv@...eyonder.co.uk>,
	Nick Piggin <npiggin@...e.de>,
	Jens Axboe <jens.axboe@...cle.com>,
	Thomas Renninger <trenn@...e.de>,
	Len Brown <len.brown@...el.com>
Subject: Re: [1/6] 2.6.21-rc4: known regressions



On Fri, 23 Mar 2007, Thomas Gleixner wrote:
> 
> We should revert that patch and add a "trust_lapic_timer_in_c2"
> commandline option instead. So we are on the safe side.

Damn. I applied your patch, but it breaks on x86-64:

   drivers/acpi/processor_idle.c:271: error: 'local_apic_timer_c2_ok' 
	undeclared (f irst use in this function)

I really wish we had an x86-64 maintainer that understood that it's 
confusing that files in arch/i386/ are also used for arch/x86-64.

		Linus
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