linux-kernel - Re: [PATCH 8/13] KVM: vcpu execution loop

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Message-ID: <69304d110610231402k7913df63l7e493f95b5d92911@mail.gmail.com>
Date:	Mon, 23 Oct 2006 23:02:54 +0200
From:	"Antonio Vargas" <windenntw@...il.com>
To:	"Avi Kivity" <avi@...ranet.com>, "Arnd Bergmann" <arnd@...db.de>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 8/13] KVM: vcpu execution loop

On 10/23/06, Avi Kivity <avi@...ranet.com> wrote:
> Arnd Bergmann wrote:
> > On Monday 23 October 2006 22:16, Avi Kivity wrote:
> >
> >>> This looks like you should simply put it into a .S file.
> >>>
> >>>
> >>>
> >> Then I lose all the offsetof constants down the line.  Sure, I could do
> >> the asm-offsets dance but it seems to me like needless obfuscation.
> >>
> >
> > Ok, I see.
> >
> > How if you pass &vcpu->regs and &vcpu->cr2 to the functions instead of
> > kvm_vcpu?
> >
> >
>
> I could do that, but I feel that's more brittle.  I might need more (or
> other) fields later on.  It will also cost me more  pushes on the stack
> (no real performance or space impact, just C64-era frugality).

maybe thats the mindsent needed to make these virtual cpu patches
without eating away all the cpu power with more than needed
abstractions ;)

-- 
Greetz, Antonio Vargas aka winden of network

http://network.amigascne.org/
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thesameasabove@...gascne.org

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