linux-kernel - Re: [PATCH 0/4] Remove interrupt stack table usage from x86

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Message-ID: <20081226143836.GA3610@elte.hu>
Date:	Fri, 26 Dec 2008 15:38:36 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Avi Kivity <avi@...hat.com>
Cc:	"H. Peter Anvin" <hpa@...or.com>, jeremy@...p.org,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Subject: Re: [PATCH 0/4] Remove interrupt stack table usage from x86_64
	kernel (v2)


* Ingo Molnar <mingo@...e.hu> wrote:

> They have the following commit IDs, and they are also in tip/master:
> 
>  921e521: x86: move NMI back to interrupt stack
>  36ef6c9: x86: make interrupt stack switching atomic
>  dd64891: x86: consolidate irq stack switching to a single macro
>  955a368: x86: drop the use of the tss interrupt stack table (IST)
> 
> I also started testing them in tip-qa.

testing failed quickly, the attached config crashes. I've pushed out the 
bad kernel to the tip/tmp.master.bad branch:

 fe3aac9: Merge branch 'x86/irq'

(no crashlog available - all i know that the box crashed and rebooted, 
when booted with the bzImage built out of the attached config.)

	Ingo

View attachment "config" of type "text/plain" (56556 bytes)