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

[Guenter Roeck]

On Thu, Dec 05, 2019 at 08:30:17PM +0100, John Paul Adrian Glaubitz wrote:
> Hi!
> 
> On 12/4/19 11:47 AM, Peter Zijlstra wrote:
> >> I got remote access to an SH7722-based Migo-R again, which spews a long
> >> sequence of BUGs during userspace startup.  I've bisected this to commit
> >> c5b27a889da92f4a ("sh/tlb: Convert SH to generic mmu_gather").
> > 
> > Whoopsy.. also, is this really the first time anybody booted an SH
> > kernel in over a year ?!?
> 
> 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 :-)

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.

Guenter

> Adrian
> 
> -- 
>  .''`.  John Paul Adrian Glaubitz
> : :' :  Debian Developer - glaubitz@xxxxxxxxxx
> `. `'   Freie Universitaet Berlin - glaubitz@xxxxxxxxxxxxxxxxxxx
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