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Re: [Xen-devel] [PATCH] xen: use hvc console for dom0


On 26/02/18 12:32, Juergen Gross wrote:
On 26/02/18 13:06, Andrii Anisov wrote:
Hello Juergen,

On 26.02.18 13:08, Juergen Gross wrote:
Today the hvc console is added as a preferred console for pv domUs
only. As this requires a boot parameter for getting dom0 messages per
default add it for dom0, too.

Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
   arch/x86/xen/enlighten_pv.c | 4 +++-
   1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c
Is this something x86 specific? Could it be a generic approach?

In case ARM wants something similar I guess the test for
xen_initial_domain() should be dropped in xen_early_init().
I am pretty sure we discussed to remove !xen_initial_domain() for Arm in the past. But I don't remember why the patch was not sent to remove it.

Anyway, I guess this should be fine to have hvc as a preferred console for the initial domain as well.


Julien Grall

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