linux-kernel - Re: [PATCH 3/3] x86, extable: Handle early exceptions

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Message-ID: <4F904541.2030200@zytor.com>
Date:	Thu, 19 Apr 2012 10:02:57 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Borislav Petkov <bp@...64.org>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH 3/3] x86, extable: Handle early exceptions

On 04/19/2012 02:26 AM, Borislav Petkov wrote:
> 
> Also, move the sorting of the main exception table earlier in the boot
> process now that we handle exceptions in the early IDT handler too.
> 

I would much rather use David Daney's patchset to sort the exception
table at compile time:

	https://lkml.org/lkml/2011/11/18/427

... and I would be *even happier* with an O(1) hash (which pretty much
*have* to be constructed at compile time.)

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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