linux-kernel - Re: [PATCH 2/4] x86 paravirt_ops: paravirt

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Date:	Mon, 7 Aug 2006 13:19:58 -0400
From:	Dave Jones <davej@...hat.com>
To:	Andi Kleen <ak@....de>
Cc:	virtualization@...ts.osdl.org,
	Rusty Russell <rusty@...tcorp.com.au>,
	Andrew Morton <akpm@...l.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Chris Wright <chrisw@...s-sol.org>
Subject: Re: [PATCH 2/4] x86 paravirt_ops: paravirt_desc.h for native descriptor ops.

On Mon, Aug 07, 2006 at 10:53:28AM +0200, Andi Kleen wrote:
 > On Monday 07 August 2006 09:50, Rusty Russell wrote:
 > > On Mon, 2006-08-07 at 07:40 +0200, Andi Kleen wrote:
 > > > On Monday 07 August 2006 06:45, Rusty Russell wrote:
 > > > > Unfortunately, due to include cycles, we can't put these in
 > > > > paravirt.h: we use a separate header for these.
 > > > > 
 > > > > The implementation comes from Zach's [RFC, PATCH 10/24] i386 Vmi descriptor changes:
 > > > > 
 > > > >   Descriptor and trap table cleanups.  Add cleanly written accessors for
 > > > >   IDT and GDT gates so the subarch may override them.  Note that this
 > > > >   allows the hypervisor to transparently tweak the DPL of the descriptors
 > > > >   as well as the RPL of segments in those descriptors, with no unnecessary
 > > > >   kernel code modification.  It also allows the hypervisor implementation
 > > > >   of the VMI to tweak the gates, allowing for custom exception frames or
 > > > >   extra layers of indirection above the guest fault / IRQ handlers.
 > > > 
 > > > Nice cleanup. The old assembly mess was ripe to be killed for a long time.
 > > 
 > > OK, here's that patch extracted out.
 > 
 > Is there something wrong with your mailer? This one doesn't apply either:

Looks like it's against Linus' tree, not whatever you were trying against...
(13:19:10:davej@nwo:linux-2.6)$ cat ~/rusty | patch -p1 --dry-run
patching file arch/i386/kernel/traps.c
Hunk #1 succeeded at 1116 (offset 4 lines).
Hunk #3 succeeded at 1132 (offset 4 lines).
patching file include/asm-i386/desc.h
(13:19:15:davej@nwo:linux-2.6)$ 

		Dave

-- 
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