From: Andi Kleen <ak@suse.de>
To: Ingo Molnar <mingo@elte.hu>
Cc: "Huang, Ying" <ying.huang@intel.com>,
"H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
linux-kernel@vger.kernel.org
Subject: Re: early_res and find_e820_area for i386?
Date: Tue, 4 Mar 2008 12:46:47 +0100 [thread overview]
Message-ID: <200803041246.47737.ak@suse.de> (raw)
In-Reply-To: <20080304104853.GA19022@elte.hu>
On Tuesday 04 March 2008 11:48:53 Ingo Molnar wrote:
>
> * Andi Kleen <ak@suse.de> wrote:
>
> > On Tuesday 04 March 2008 04:38:03 Huang, Ying wrote:
> >
> > > Is it better to implement early_res and find_e820_area on i386? Can
> > > we trust E820 table on i386?
> >
> > The 64bit code is certainly more flexible and cleaner, but also much
> > more complicated.. [...]
>
> i disagree, the early_res stuff is still quite unclean,
I was mostly refering to the main e820 allocator.
early_res is just an addon table for kernel internal use. While you
could put that into the main e820 table too if you made that one variable
sized I don't think it would make too much difference either way.
It's just a minor tweak of the data structure.
-Andi
next prev parent reply other threads:[~2008-03-04 11:47 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-04 3:38 early_res and find_e820_area for i386? Huang, Ying
2008-03-04 4:23 ` H. Peter Anvin
2008-03-04 10:34 ` Ingo Molnar
2008-03-04 10:41 ` Andi Kleen
2008-03-04 10:48 ` Ingo Molnar
2008-03-04 11:46 ` Andi Kleen [this message]
2008-03-04 16:31 ` H. Peter Anvin
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