Re: [Xen-devel] [PATCH 0/2] arm/arm64: Detect Xen support earlier

[Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>]

On 12 February 2015 at 14:34, Julien Grall <julien.grall@xxxxxxxxxx> wrote:
> Hello,
>
> This small patch series move the detection of running on Xen earlier. This is
> required in order to support earlyprintk via Xen and selecting the preferred
> console.
>
> Ard, the patch to move the call earlier (see #2) differed from the one I sent
> you privately mostly because it's not possible to translate an IRQ before the
> GIC has been initialized.
>
> Let me know if it works for you.
>

I have tested these patches with my preferred console patch on top,
and it results in console output without having to pass 'console=hvc0'
on the command line.

I didn't check anything else, nor do I have enough of a clue about Xen
to notice anything else out of the ordinary

So FWIW,

Tested-by: Ard Biesheuvel <ard@xxxxxxxxxx>


> Sincerely yours,
>
> Julien Grall (1):
>   arm/xen: Correctly check if the event channel interrupt is present
>
> Stefano Stabellini (1):
>   arm,arm64/xen: move Xen initialization earlier
>
>  arch/arm/include/asm/xen/hypervisor.h |  8 +++++
>  arch/arm/kernel/setup.c               |  2 ++
>  arch/arm/xen/enlighten.c              | 58 
> +++++++++++++++++++++--------------
>  arch/arm64/kernel/setup.c             |  2 ++
>  4 files changed, 47 insertions(+), 23 deletions(-)
>
> --
> 2.1.0
>

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