Re: [PATCH 0/2] Early printk support for virtio console devices.

From: Peter Maydell
Date: Fri Apr 26 2013 - 11:19:41 EST

On 26 April 2013 13:33, Arnd Bergmann <arnd@xxxxxxxx> wrote:
> Couldn't kvmtool implement the interface used by smh_printch()
> for early output instead?
> Or if that's not a fitting inteface, maybe a psci call for writing
> a character to the console?

I suggested that earlier:

and Alex pointed out that s390-virtio experience with that
approach is that it's awkward for userspace.

-- PMM
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