Finn Thain writes:
> On Fri, 5 Apr 2024, Michael Ellerman wrote:
>
>> I assume you have tested this on an actual pmac, as well as qemu?
>>
>
> I tested the patched driver and its console functionality using Zilog SCC
> hardware in a Mac IIci, as well as QEMU's q800 virtual machine.
>
> That shou
On Fri, 5 Apr 2024, Michael Ellerman wrote:
> I assume you have tested this on an actual pmac, as well as qemu?
>
I tested the patched driver and its console functionality using Zilog SCC
hardware in a Mac IIci, as well as QEMU's q800 virtual machine.
That should suffice from a code coverage p
Finn Thain writes:
> The mitigation was intended to stop the irq completely. That may be
> better than a hard lock-up but it turns out that you get a crash anyway
> if you're using pmac_zilog as a serial console:
>
> ttyPZ0: pmz: rx irq flood !
> BUG: spinlock recursion on CPU#0, swapper/0
>
> Tha
The mitigation was intended to stop the irq completely. That may be
better than a hard lock-up but it turns out that you get a crash anyway
if you're using pmac_zilog as a serial console:
ttyPZ0: pmz: rx irq flood !
BUG: spinlock recursion on CPU#0, swapper/0
That's because the pr_err() call in p
