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Re: [PATCH v3 10/10] xen: add capability to load p2m list outside of ker
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From: |
Daniel Kiper |
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Subject: |
Re: [PATCH v3 10/10] xen: add capability to load p2m list outside of kernel mapping |
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Date: |
Thu, 18 Feb 2016 17:44:21 +0100 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Wed, Feb 17, 2016 at 06:19:37PM +0100, Juergen Gross wrote:
> Modern pvops linux kernels support a p2m list not covered by the
> kernel mapping. This capability is flagged by an elf-note specifying
> the virtual address the kernel is expecting the p2m list to be mapped
> to.
>
> In case the elf-note is set by the kernel don't place the p2m list
> into the kernel mapping, but map it to the given address. This will
> allow to support domains with larger memory, as the kernel mapping is
> limited to 2GB and a domain with huge memory in the TB range will have
> a p2m list larger than this.
>
> Signed-off-by: Juergen Gross <address@hidden>
Reviewed-by: Daniel Kiper <address@hidden>
Daniel
[PATCH v3 06/10] xen: factor out allocation of special pages into separate function, Juergen Gross, 2016/02/17
[PATCH v3 03/10] xen: add elfnote.h to avoid using numbers instead of constants, Juergen Gross, 2016/02/17
[PATCH v3 10/10] xen: add capability to load p2m list outside of kernel mapping, Juergen Gross, 2016/02/17
- Re: [PATCH v3 10/10] xen: add capability to load p2m list outside of kernel mapping,
Daniel Kiper <=
[PATCH v3 05/10] xen: factor out p2m list allocation into separate function, Juergen Gross, 2016/02/17
[PATCH v3 09/10] xen: modify page table construction, Juergen Gross, 2016/02/17
[PATCH v3 01/10] xen: make xen loader callable multiple times, Juergen Gross, 2016/02/17