Re: [PATCH RFC 1/5] scripts: Add sortextable to sort the kernel's exception table. -- Linux Embedded


Re: [PATCH RFC 1/5] scripts: Add sortextable to sort the kernel's exception table.
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Subject: Re: [PATCH RFC 1/5] scripts: Add sortextable to sort the kernel's exception table.
From: David Woodhouse <dwmw2@xxxxxxxxxxxxx>
Date: Sun, 20 Nov 2011 23:28:33 +0000
Cc: David Daney <ddaney.cavm@xxxxxxxxx>, linux-mips@xxxxxxxxxxxxxx, ralf@xxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-arch@xxxxxxxxxxxxxxx, linux-embedded@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx, David Daney <david.daney@xxxxxxxxxx>
In-reply-to: <4EC98C97.50604@kernel.org>

On Sun, 2011-11-20 at 15:26 -0800, H. Peter Anvin wrote:
> If we're going to do this at build time, I would suggest using a
> collisionless hash instead.  The lookup time for those are O(1), but
> they definitely need to be done at build time. 

Is the lookup time really an issue?

-- 
dwmw2

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References:
- [PATCH RFC 0/5] Speed booting by sorting exception tables at build time.
  - From: David Daney
- [PATCH RFC 1/5] scripts: Add sortextable to sort the kernel's exception table.
  - From: David Daney
- Re: [PATCH RFC 1/5] scripts: Add sortextable to sort the kernel's exception table.
  - From: H. Peter Anvin

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