From: "H. Peter Anvin" <hpa@kernel.org>
To: Zachary Amsden <zach@vmware.com>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>,
Alok Kataria <akataria@vmware.com>,
"torvalds@linux-foundation.org" <torvalds@linux-foundation.org>,
Ingo Molnar <mingo@elte.hu>,
the arch/x86 maintainers <x86@kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH]Fix broken VMI in 2.6.27-rc..
Date: Thu, 07 Aug 2008 18:19:19 -0700 [thread overview]
Message-ID: <489B9F17.6000701@kernel.org> (raw)
In-Reply-To: <1218158045.20178.394.camel@bodhitayantram.eng.vmware.com>
Zachary Amsden wrote:
>
> Using my interplanetary ideas, linking the fixmap at runtime would allow
> optimal placement of the fixmap, any hypervisor areas, vmalloc, and
> pkmap space. That might allow one to increase the amount of lowmem
> available for direct mapping depending on some platform variables such
> as hypervisor reserved space, physical memory size, APIC present.. those
> aren't known until boot time. Actually, NCPUs is a good one, since we
> require atomic kmap space dependent on NCPUs, which could be given back
> to linear memory map.
>
> That might actually be more worthwhile than link time fixed addresses.
>
Yeah, but that's a huge project.
-hpa
next prev parent reply other threads:[~2008-08-08 1:22 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-07 19:12 [PATCH]Fix broken VMI in 2.6.27-rc Alok Kataria
2008-08-07 21:20 ` H. Peter Anvin
2008-08-07 21:27 ` Zachary Amsden
2008-08-07 21:34 ` H. Peter Anvin
2008-08-07 21:42 ` Zachary Amsden
2008-08-07 21:52 ` H. Peter Anvin
2008-08-07 21:55 ` Zachary Amsden
2008-08-07 22:17 ` H. Peter Anvin
2008-08-07 22:38 ` Linus Torvalds
2008-08-07 22:58 ` H. Peter Anvin
2008-08-07 23:08 ` Linus Torvalds
2008-08-07 23:12 ` H. Peter Anvin
2008-08-07 23:26 ` Zachary Amsden
2008-08-07 23:49 ` Jeremy Fitzhardinge
2008-08-07 23:23 ` Jeremy Fitzhardinge
2008-08-08 19:15 ` Alok Kataria
2008-08-08 22:23 ` H. Peter Anvin
2008-08-07 23:21 ` Jeremy Fitzhardinge
2008-08-07 23:27 ` H. Peter Anvin
2008-08-07 23:46 ` Jeremy Fitzhardinge
2008-08-07 23:51 ` H. Peter Anvin
2008-08-08 0:01 ` Yinghai Lu
2008-08-08 0:11 ` H. Peter Anvin
2008-08-08 0:10 ` Jeremy Fitzhardinge
2008-08-08 0:13 ` H. Peter Anvin
2008-08-08 0:23 ` Jeremy Fitzhardinge
2008-08-08 0:29 ` H. Peter Anvin
2008-08-08 6:10 ` Jeremy Fitzhardinge
2008-08-08 16:13 ` H. Peter Anvin
2008-08-08 1:14 ` Zachary Amsden
2008-08-08 1:19 ` H. Peter Anvin [this message]
2008-08-08 1:28 ` Zachary Amsden
2008-08-07 21:41 ` Alok Kataria
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