On Thu, Jul 18, 2019 at 09:20:56AM +0200, Thomas Huth wrote:
> On 16/07/2019 07.35, Alexey Kardashevskiy wrote:
> > SLOF implements one itself so let's remove it from QEMU. It is one less
> > image and simpler setup as the RTAS blob never stays in its initial place
> > anyway as the guest OS always decides where to put it.
> > 
> > This totally depends on https://patchwork.ozlabs.org/patch/1132440/ ,
> > hence RFC.
> 
> Patch looks basically fine for me, but I wonder whether we should wait
> for one or two releases until we really remove it from QEMU, so that it
> is still possible to test the latest QEMU with older SLOF releases for a
> while (which is sometimes useful when hunting bugs). Or should this
> maybe even go through the official deprecation process (i.e. with an
> entry in qemu-deprecated.texi)?

I don't really like this idea.  It blocks some cleanups I'd like to do
which rely on it being truly gone, not just sometimes-gone.

I think it's reasonable to do this, since the "raw" rtas blob from
qemu was never supposed to be a guest visible artifact - any guest
that was relying on this was going out of its way to be fragile.

-- 
David Gibson                    | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au  | minimalist, thank you.  NOT _the_ _other_
                                | _way_ _around_!
http://www.ozlabs.org/~dgibson

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