Re: [PATCH v3] hw/i386: place setup_data at fixed place in memory

[Michael S. Tsirkin]

On Tue, Aug 09, 2022 at 02:17:23PM +0200, Jason A. Donenfeld wrote:
> Hey Paolo,
> 
> On Fri, Aug 05, 2022 at 02:47:27PM +0200, Jason A. Donenfeld wrote:
> > Hi Paolo,
> > 
> > On Fri, Aug 05, 2022 at 10:10:02AM +0200, Paolo Bonzini wrote:
> > > On 8/5/22 01:04, Jason A. Donenfeld wrote:
> > > > +    /* Nothing else uses this part of the hardware mapped region */
> > > > +    setup_data_base = 0xfffff - 0x1000;
> > > 
> > > Isn't this where the BIOS lives?  I don't think this works.
> > 
> > That's the segment dedicated to ROM and hardware mapped addresses. So
> > that's a place to put ROM material. No actual software will use it.
> > 
> > Jason
> 
> Unless I've misread the thread, I don't think there are any remaining
> objections, right? Can we try merging this and seeing if it fixes the
> issue for good?
> 
> Jason

Laszlo commented here:
https://lore.kernel.org/r/fa0601e4-acf5-0ce8-9277-4d90d046b53e%40redhat.com

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MST