From: Anthony Liguori <anthony@codemonkey.ws>
To: Jeff Dike <jdike@addtoit.com>
Cc: Avi Kivity <avi@qumranet.com>,
KVM devel <kvm-devel@lists.sourceforge.net>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [kvm-devel] [PATCH 3/3] KVM - add hypercall nr to kvm_run
Date: Wed, 18 Jul 2007 14:25:17 -0500 [thread overview]
Message-ID: <469E691D.3050305@codemonkey.ws> (raw)
In-Reply-To: <20070718174104.GA8655@c2.user-mode-linux.org>
Jeff Dike wrote:
> On Wed, Jul 18, 2007 at 11:28:18AM -0500, Anthony Liguori wrote:
>
>> Within the kernel right (VMCALL is only usable in ring 1).
>>
>
> Yup.
>
>
>> Is it
>> terribly important to be able to pass through the syscall arguments in
>> registers verses packing them in a data structure and passing a pointer
>> to that structure?
>>
>
> An arg block would be fine, too.
>
Okay, then you should be pretty well insulated against the changing
hypercall stuff since you only need one hypercall NR and can use a one
argument hypercall.
Regards,
Anthony Liguori
> Jeff
>
>
WARNING: multiple messages have this Message-ID (diff)
From: Anthony Liguori <anthony-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>
To: Jeff Dike <jdike-OPE4K8JWMJJBDgjK7y7TUQ@public.gmane.org>
Cc: KVM devel
<kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>,
LKML <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH 3/3] KVM - add hypercall nr to kvm_run
Date: Wed, 18 Jul 2007 14:25:17 -0500 [thread overview]
Message-ID: <469E691D.3050305@codemonkey.ws> (raw)
In-Reply-To: <20070718174104.GA8655-1LLyehjZOUUZWFFyALql+T+iFHGzDt/a@public.gmane.org>
Jeff Dike wrote:
> On Wed, Jul 18, 2007 at 11:28:18AM -0500, Anthony Liguori wrote:
>
>> Within the kernel right (VMCALL is only usable in ring 1).
>>
>
> Yup.
>
>
>> Is it
>> terribly important to be able to pass through the syscall arguments in
>> registers verses packing them in a data structure and passing a pointer
>> to that structure?
>>
>
> An arg block would be fine, too.
>
Okay, then you should be pretty well insulated against the changing
hypercall stuff since you only need one hypercall NR and can use a one
argument hypercall.
Regards,
Anthony Liguori
> Jeff
>
>
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next prev parent reply other threads:[~2007-07-18 19:25 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-16 19:24 [PATCH 3/3] KVM - add hypercall nr to kvm_run Jeff Dike
2007-07-16 19:24 ` Jeff Dike
2007-07-17 8:23 ` Avi Kivity
2007-07-17 8:23 ` Avi Kivity
2007-07-17 8:40 ` Avi Kivity
2007-07-17 8:40 ` Avi Kivity
2007-07-17 14:15 ` [kvm-devel] " Anthony Liguori
2007-07-17 14:15 ` Anthony Liguori
2007-07-17 16:07 ` [kvm-devel] " Jeff Dike
2007-07-17 16:07 ` Jeff Dike
2007-07-18 16:28 ` [kvm-devel] " Anthony Liguori
2007-07-18 16:28 ` Anthony Liguori
2007-07-18 17:41 ` [kvm-devel] " Jeff Dike
2007-07-18 17:41 ` Jeff Dike
2007-07-18 19:25 ` Anthony Liguori [this message]
2007-07-18 19:25 ` Anthony Liguori
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