linux-kernel - Re: Proper kernel irq time accounting -v4

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Message-ID: <AANLkTinL=FEo9wAaUQ8p6ton+eQxLk1m2BEj-3sof3H+@mail.gmail.com>
Date:	Fri, 15 Oct 2010 10:13:46 -0700
From:	Venkatesh Pallipadi <venki@...gle.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	linux-kernel@...r.kernel.org, Paul Turner <pjt@...gle.com>,
	Eric Dumazet <eric.dumazet@...il.com>
Subject: Re: Proper kernel irq time accounting -v4

On Fri, Oct 15, 2010 at 8:27 AM, Peter Zijlstra <peterz@...radead.org> wrote:
> On Fri, 2010-10-15 at 17:11 +0200, Peter Zijlstra wrote:
>> OK, I'll take this, but will frob 4 to simply add PF_KSOFTIRQD.
>>
>> We can do all additional changes, possibly including what Eric
>> suggested, at a later stage as increments.
>>
>> Thanks!
>
> *kablam!*
>
> booting with noirqtime doesn't work either, same explosion.

This crash seems to be from patch 8/8 that changed irq_enter. Please
drop it for now and I will rework that.
I will also send the cleanup changes including one that Eric suggested
as incremental patches.

Thanks,
Venki
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