linux-kernel - Re: [PATCH prototype] [0/8] Predictive bitmaps for ELF executables

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Message-ID: <20080326185438.GA27154@one.firstfloor.org>
Date:	Wed, 26 Mar 2008 19:54:38 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Ulrich Drepper <drepper@...il.com>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Nicholas Miell <nmiell@...cast.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH prototype] [0/8] Predictive bitmaps for ELF executables

On Wed, Mar 26, 2008 at 11:15:49AM -0700, Ulrich Drepper wrote:
> On Tue, Mar 25, 2008 at 12:54 AM, Andi Kleen <andi@...stfloor.org> wrote:
> >  There is still the additional seek.
> 
> You've been proposing and implementing a solution which needs an
> additional seek.  Don't use double standards.

You're wrong. I am implementing a solution that allows two 
methods -- one (SHDR) that needs an seek (but an continuous one
so it's likely served from the track buffer) but has some advantages 
and another one (PHDR) that does not require a seek.

You two are arguing a method that always requires the seek
and has a couple of other drawbacks as earlier discussed too.

-Andi

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