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Re: [Xen-devel] Where is hypercall_page?

To: "Jun Koi" <junkoi2004@xxxxxxxxx>
Subject: Re: [Xen-devel] Where is hypercall_page?
From: "Derek Murray" <Derek.Murray@xxxxxxxxxxxx>
Date: Mon, 7 Jul 2008 10:16:10 +0100
Cc: "List: Xen Developers" <xen-devel@xxxxxxxxxxxxxxxxxxx>
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Reply-to: Derek.Murray@xxxxxxxxxxxx
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Hi Jun,

hypercall_page is declared in arch/{i386,x86_64}/kernel/head-xen.S

For i386, this takes the form:

ENTRY(hypercall_page)

While on x86_64, it looks like:

NEXT_PAGE(hypercall_page)

Regards,

Derek Murray.

On Mon, Jul 7, 2008 at 9:43 AM, Jun Koi <junkoi2004@xxxxxxxxx> wrote:
> Hi,
>
> I am looking to see where "hypercall_page" is declared in Linux
> kernel. However, I only found the extern prototype of it in
> arch/i386/kernel/setup-xen.c:
>
> extern char hypercall_page[PAGE_SIZE];
>
> So I am wondering where this "hypercall_page" variable is actually
> declared. Any pointer?
>
> Many thanks,
> Jun
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
>

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