Re: [Xen-devel] [PATCH for-4.12 4/8] xen/arm: domain_build: Don't switch to the guest P2M when copying data

[Andrii Anisov <andrii.anisov@xxxxxxxxx>]

On 28.11.18 18:49, Julien Grall wrote:
> Until recently, kernel/initrd/dtb were loaded using guest VA and
> therefore requiring to restore temporarily the P2M. This reworked in a
> series of commits (up to 9292086 "xen/arm: domain_build: Use
> copy_to_guest_phys_flush_dcache in dtb_load") to use a guest PA.
>
> This will also help a follow-up patch which will require
> p2m_{save,restore}_state to work in pair to workaround an erratum.
>
> Signed-off-by: Julien Grall <julien.grall@xxxxxxx>
Reviewed-by: Andrii Anisov <andrii_anisov@xxxxxxxx>

--
Sincerely,
Andrii Anisov.

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