Re: [Xen-devel] [PATCH v11 02/34] ARM: GICv3: enable ITS on the host

[Julien Grall <julien.grall@xxxxxxx>]

Hi Andre,

On 09/06/17 18:41, Andre Przywara wrote:
> Even though the ITS emulation is not yet in place, the host ITS already
> gets initialized and Xen tries to map the host collections.
> However for commands to be processed we need to *enable* the ITS, which
> will be done in a later patch not yet merged.
> So those MAPC commands are not processed and run into a timeout, leading
> to a panic on machines which advertise an ITS in their DT.
> This patch just enables the ITS (but not the LPIs on each redistributor),
> to get those MAPC commands executed.
> This patch was part of: "ARM: GICv3: enable ITS and LPIs on the host"
> (patch v8 06/27 or v10 12/32, which was already acked by Stefano.
I don't think this paragraph belongs to the commit message. It should go 
after ---.
> This fixes booting Xen on ARM64 machines with an ITS and the
> (EXPERT) ITS Kconfig option enabled.
>
> Signed-off-by: Andre Przywara <andre.przywara@xxxxxxx>
With the change above:

Acked-by: Julien Grall <julien.grall@xxxxxxx>

Cheers,

--
Julien Grall

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