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From: Matt Mackall <mpm@selenic.com>
To: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Sam Ravnborg <sam@ravnborg.org>,
	Linux-tiny@selenic.com, Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vger.kernel.org, "H. Anvin" <hpa@zytor.com>,
	Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH] Configure out doublefault exception handler (Linux Tiny)
Date: Tue, 12 Feb 2008 10:02:12 -0600	[thread overview]
Message-ID: <1202832132.12383.93.camel@cinder.waste.org> (raw)
In-Reply-To: <20080212150013.57cb954e@crazy>


On Tue, 2008-02-12 at 15:00 +0100, Thomas Petazzoni wrote:
> Hi Sam,
> 
> Le Tue, 12 Feb 2008 14:04:28 +0100,
> Sam Ravnborg <sam@ravnborg.org> a écrit :
> 
> > We already have this in arch/x86/Kconfig.debug:
> 
> Oops, my usual "find . -name Kconfig" missed it. Thanks for pointing it
> out!

The fact that you didn't have to add any makefile bits should have been
a hint.

> > It may need a small update if this is valid for both 32 and 64 bit.
> 
> Doesn't seem so: there's only a doublefault_32.c, no doublefault_64.c.
> However, I don't know the details of x86_64.

I bet there's some doublefault-handling code hiding somewhere. It's not
the sort of thing it'd make sense to take out of the architecture.

-- 
Mathematics is the supreme nostalgia of our time.


  reply	other threads:[~2008-02-12 16:10 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-12 10:08 [PATCH] Configure out doublefault exception handler (Linux Tiny) Thomas Petazzoni
2008-02-12 13:04 ` Sam Ravnborg
2008-02-12 14:00   ` Thomas Petazzoni
2008-02-12 16:02     ` Matt Mackall [this message]
2008-02-15 12:00       ` Andi Kleen
2008-02-15 17:02         ` Matt Mackall
2008-02-15 18:04           ` Andi Kleen
2008-02-15 17:52             ` Matt Mackall
2008-02-17 17:59 ` Ingo Molnar

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