Re: [PATCH v6 10/18] sh/tlb: Convert SH to generic mmu_gather

[Guenter Roeck]

On 12/6/19 5:38 AM, John Paul Adrian Glaubitz wrote:
> Hi!
>
> On 12/5/19 11:56 PM, Guenter Roeck wrote:
> > > I have to admit, I have been very lazy with kernel updates. I have been
> > > planning to upgrade to a much more recent release on my boards for a while
> > > now, I have just been postponing it since the machines run very stable
> > > with the current kernel I am using.
> >
> > Hey, if you write a qemu emulation, I'll be happy to run it on a regular
> > basis :-)
>
> There is working SH emulation in QEMU. I have been wanting to prepare a
> current Debian/sh4 test image for that purpose for a while now.

I do run this emulation in my tests. It does not support the affected CPU,
unfortunately.

Guenter

> For the time being, you can use the image by Aurelien Jarno:
>
> > https://people.debian.org/~aurel32/qemu/sh4/
>
> > Problem is really that the architecture doesn't get as much attention as
> > it needs. The backtrace pointed to by Rob has been seen for a long time,
> > but either there is no one with the knowledge to fix it, or they are all
> > busy with other stuff.
>
> I fully agree. I'm mostly busy with the userland stuff, i.e. Debian packages
> for sh4 and not so much with the kernel.
>
> Adrian