From: Rusty Russell <rusty@rustcorp.com.au>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Andi Kleen <ak@muc.de>, Andrew Morton <akpm@osdl.org>,
virtualization@lists.osdl.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Chris Wright <chrisw@sous-sol.org>
Subject: Re: [PATCH 1/4] x86 paravirt_ops: create no_paravirt.h for native ops
Date: Mon, 07 Aug 2006 16:03:37 +1000 [thread overview]
Message-ID: <1154930617.7642.10.camel@localhost.localdomain> (raw)
In-Reply-To: <44D6D315.2030907@goop.org>
On Sun, 2006-08-06 at 22:43 -0700, Jeremy Fitzhardinge wrote:
> Andi Kleen wrote:
> >> +/* Stop speculative execution */
> >> +static inline void sync_core(void)
> >> +{
> >> + unsigned int eax = 1, ebx, ecx, edx;
> >> + __cpuid(&eax, &ebx, &ecx, &edx);
> >> +}
> >>
> >
> > Actually I don't think this one should be para virtualized at all.
> > I don't see any reason at all why a hypervisor should trap it and it
> > is very time critical. I would recommend you move it back into the
> > normal files without hooks.
I don't see where it's time-critical...
Rusty.
--
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next prev parent reply other threads:[~2006-08-07 6:03 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-07 4:43 [PATCH 1/4] x86 paravirt_ops: create no_paravirt.h for native ops Rusty Russell
2006-08-07 4:45 ` [PATCH 2/4] x86 paravirt_ops: paravirt_desc.h for native descriptor ops Rusty Russell
2006-08-07 4:47 ` [PATCH 3/4] x86 paravirt_ops: implementation of paravirt_ops Rusty Russell
2006-08-07 4:48 ` [PATCH 4/4] x86 paravirt_ops: binary patching infrastructure Rusty Russell
2006-08-07 5:14 ` Rusty Russell
2006-08-07 5:38 ` Andi Kleen
2006-08-07 5:56 ` Jeremy Fitzhardinge
2006-08-07 5:39 ` [PATCH 3/4] x86 paravirt_ops: implementation of paravirt_ops Andi Kleen
2006-08-07 5:56 ` Jeremy Fitzhardinge
2006-08-07 6:13 ` Rusty Russell
2006-08-07 6:20 ` Andi Kleen
2006-08-07 7:27 ` Rusty Russell
2006-08-07 5:40 ` [PATCH 2/4] x86 paravirt_ops: paravirt_desc.h for native descriptor ops Andi Kleen
2006-08-07 7:50 ` Rusty Russell
2006-08-07 8:53 ` Andi Kleen
2006-08-07 17:19 ` Dave Jones
2006-08-07 5:22 ` [PATCH 1/4] x86 paravirt_ops: create no_paravirt.h for native ops Jeremy Fitzhardinge
2006-08-07 5:30 ` Andi Kleen
2006-08-07 5:43 ` Jeremy Fitzhardinge
2006-08-07 6:02 ` Andi Kleen
2006-08-07 6:23 ` Jeremy Fitzhardinge
2006-08-07 6:03 ` Rusty Russell [this message]
2006-08-07 6:16 ` Andi Kleen
2006-08-07 6:04 ` Rusty Russell
2006-08-07 6:17 ` Andi Kleen
2006-08-07 6:27 ` Muli Ben-Yehuda
2006-08-07 7:34 ` Jan Engelhardt
2006-08-07 8:40 ` Muli Ben-Yehuda
2006-08-07 17:54 ` Jan Engelhardt
2006-08-07 20:51 ` Zachary Amsden
2006-08-08 1:59 ` Andi Kleen
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