Re: radeon, amdgpu improvements for aarch64

[Tobias Nygren <tnn%NetBSD.org@localhost>]

On Thu, 28 Dec 2023 14:51:35 +0100
Tobias Nygren <tnn%NetBSD.org@localhost> wrote:

> On Thu, 28 Dec 2023 00:19:44 +0000
> Taylor R Campbell <campbell+netbsd-tech-kern%mumble.net@localhost> wrote:
> 
> > > +#ifdef _LP64
> > > +	if (eaddr < (1UL<<40)) {
> 
> > Just to confirm: eaddr is inclusive here, right?  As in, if the range
> > were [0x10000, 0x20000), we would have saddr=0x10000 eaddr=0x1ffff (or
> > maybe eaddr=0x1f000), right?
> 
> The end boundary is page-aligned non-inclusive. Thus strict less-than
> is correct. I'll change to ((paddr_t)1 << 40) for clarity.

Brain fart. It should be <= of course.