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Re: [Xen-devel] [PATCH v3 02/11] x86/kexec: Add extra pointers to transition page table PGD, PUD, PMD and PTE
- To: "Daniel Kiper" <daniel.kiper@xxxxxxxxxx>
- From: "Jan Beulich" <JBeulich@xxxxxxxx>
- Date: Mon, 07 Jan 2013 09:48:20 +0000
- Cc: hpa@xxxxxxxxx, konrad.wilk@xxxxxxxxxx, andrew.cooper3@xxxxxxxxxx, x86@xxxxxxxxxx, kexec@xxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, xen-devel <xen-devel@xxxxxxxxxxxxx>, mingo@xxxxxxxxxx, ebiederm@xxxxxxxxxxxx, maxim.uvarov@xxxxxxxxxx, tglx@xxxxxxxxxxxxx, virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx, vgoyal@xxxxxxxxxx
- Delivery-date: Mon, 07 Jan 2013 09:49:07 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
>>> On 04.01.13 at 18:25, Daniel Kiper <daniel.kiper@xxxxxxxxxx> wrote:
> Right, so where is virtual mapping of control page established?
> I could not find relevant code in SLES kernel which does that.
In the hypervisor (xen/arch/x86/machine_kexec.c:machine_kexec_load()).
xen/arch/x86/machine_kexec.c:machine_kexec() then simply uses
image->page_list[1].
Jan
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