From: Andi Kleen <ak@suse.de>
To: Christoph Lameter <clameter@sgi.com>
Cc: virtualization@lists.osdl.org, Zachary Amsden <zach@vmware.com>,
akpm@osdl.org, xen-devel@lists.xensource.com,
Chris Wright <chrisw@sous-sol.org>,
Ian Pratt <ian.pratt@xensource.com>,
linux-kernel@vger.kernel.org
Subject: Re: [patch 2/8] Implement always-locked bit ops, for memory shared with an SMP hypervisor.
Date: Thu, 3 Aug 2006 06:47:14 +0200 [thread overview]
Message-ID: <200608030647.14159.ak@suse.de> (raw)
In-Reply-To: <Pine.LNX.4.64.0608022124111.26980@schroedinger.engr.sgi.com>
On Thursday 03 August 2006 06:25, Christoph Lameter wrote:
> On Thu, 3 Aug 2006, Andi Kleen wrote:
>
> > On Thursday 03 August 2006 03:25, Christoph Lameter wrote:
> >
> > > Good idea. This will also make it easier to support this special
> > > functionality. And it will avoid use in contexts where these are
> > > not necessary.
> >
> > I think it's a bad idea. We don't want lots of architecture ifdefs
> > in some Xen specific file
>
> Thats not how it would be done. We would do this with
> architecture specific xen files and a default in asm-generic.
It's cleaner to just do it in the generic code.
I think for most architectures it is only a one liner anyways if
done properly.
-Andi
WARNING: multiple messages have this Message-ID (diff)
From: Andi Kleen <ak@suse.de>
To: Christoph Lameter <clameter@sgi.com>
Cc: Zachary Amsden <zach@vmware.com>,
akpm@osdl.org, xen-devel@lists.xensource.com,
Ian Pratt <ian.pratt@xensource.com>,
linux-kernel@vger.kernel.org, Chris Wright <chrisw@sous-sol.org>,
virtualization@lists.osdl.org
Subject: Re: [patch 2/8] Implement always-locked bit ops, for memory shared with an SMP hypervisor.
Date: Thu, 3 Aug 2006 06:47:14 +0200 [thread overview]
Message-ID: <200608030647.14159.ak@suse.de> (raw)
In-Reply-To: <Pine.LNX.4.64.0608022124111.26980@schroedinger.engr.sgi.com>
On Thursday 03 August 2006 06:25, Christoph Lameter wrote:
> On Thu, 3 Aug 2006, Andi Kleen wrote:
>
> > On Thursday 03 August 2006 03:25, Christoph Lameter wrote:
> >
> > > Good idea. This will also make it easier to support this special
> > > functionality. And it will avoid use in contexts where these are
> > > not necessary.
> >
> > I think it's a bad idea. We don't want lots of architecture ifdefs
> > in some Xen specific file
>
> Thats not how it would be done. We would do this with
> architecture specific xen files and a default in asm-generic.
It's cleaner to just do it in the generic code.
I think for most architectures it is only a one liner anyways if
done properly.
-Andi
next prev parent reply other threads:[~2006-08-03 4:49 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-03 0:25 [patch 0/8] Basic infrastructure patches for a paravirtualized kernel Jeremy Fitzhardinge
2006-08-03 0:25 ` Jeremy Fitzhardinge
2006-08-03 0:25 ` [patch 1/8] Remove locally-defined ldt structure in favour of standard type Jeremy Fitzhardinge
2006-08-03 0:25 ` [patch 2/8] Implement always-locked bit ops, for memory shared with an SMP hypervisor Jeremy Fitzhardinge
2006-08-03 0:25 ` Jeremy Fitzhardinge
2006-08-03 0:28 ` Christoph Lameter
2006-08-03 0:35 ` Jeremy Fitzhardinge
2006-08-03 1:06 ` Christoph Lameter
2006-08-03 1:18 ` Zachary Amsden
2006-08-03 1:18 ` Zachary Amsden
2006-08-03 1:25 ` Christoph Lameter
2006-08-03 3:55 ` Andi Kleen
2006-08-03 3:55 ` Andi Kleen
2006-08-03 4:25 ` Christoph Lameter
2006-08-03 4:47 ` Andi Kleen [this message]
2006-08-03 4:47 ` Andi Kleen
2006-08-03 2:45 ` Andi Kleen
2006-08-03 2:45 ` Andi Kleen
2006-08-03 4:27 ` Christoph Lameter
2006-08-03 4:49 ` Andi Kleen
2006-08-03 5:19 ` Christoph Lameter
2006-08-03 5:25 ` Andi Kleen
2006-08-03 5:25 ` Andi Kleen
2006-08-03 5:32 ` Christoph Lameter
2006-08-03 5:39 ` Andi Kleen
2006-08-03 5:39 ` Andi Kleen
2006-08-03 5:54 ` Christoph Lameter
2006-08-03 6:02 ` Andi Kleen
2006-08-03 16:49 ` Christoph Lameter
2006-08-03 17:18 ` Chris Wright
2006-08-03 17:18 ` Chris Wright
2006-08-04 0:47 ` Andi Kleen
2006-08-04 2:16 ` Christoph Lameter
2006-08-03 0:25 ` [patch 3/8] Allow a kernel to not be in ring 0 Jeremy Fitzhardinge
2006-08-03 0:25 ` [patch 4/8] Replace sensitive instructions with macros Jeremy Fitzhardinge
2006-08-03 0:25 ` Jeremy Fitzhardinge
2006-08-03 0:25 ` [patch 5/8] Roll all the cpuid asm into one __cpuid call Jeremy Fitzhardinge
2006-08-03 0:25 ` [patch 6/8] Make __FIXADDR_TOP variable to allow it to make space for a hypervisor Jeremy Fitzhardinge
2006-08-03 0:25 ` [patch 7/8] Add a bootparameter to reserve high linear address space Jeremy Fitzhardinge
1970-01-01 0:15 ` Pavel Machek
2006-08-07 2:10 ` Andi Kleen
2006-08-07 2:10 ` Andi Kleen
2010-05-04 23:37 ` Jeremy Fitzhardinge
2010-05-04 23:37 ` Jeremy Fitzhardinge
2006-08-03 6:19 ` Andrew Morton
2006-08-03 7:33 ` Zachary Amsden
2006-08-03 7:33 ` Zachary Amsden
2006-08-03 7:41 ` Andrew Morton
2006-08-03 8:58 ` Zachary Amsden
2006-08-03 8:58 ` Zachary Amsden
2006-08-05 21:58 ` Andrew Morton
2006-08-05 21:58 ` Andrew Morton
2006-08-05 22:52 ` Zachary Amsden
2006-08-05 22:52 ` Zachary Amsden
2006-08-05 23:17 ` Rusty Russell
2006-08-05 23:17 ` Rusty Russell
2006-08-06 22:00 ` Pavel Machek
2006-08-06 22:02 ` Pavel Machek
2006-08-07 9:12 ` Pavel Machek
2006-08-03 0:25 ` [patch 8/8] Put .note.* sections into a PT_NOTE segment in vmlinux Jeremy Fitzhardinge
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