Re: [PATCH v2] serial/pmac_zilog: Remove flawed mitigation for rx irq flood

Michael Ellerman
2024-04-08T05:29:58Z

Finn Thain <fthain@linux-m68k.org> 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 should suffice from a code coverage point-of-view, since
> pmz_receive_chars() is portable and independent of CONFIG_PPC_PMAC.
>
> Moreover, I don't know how to get my PowerMac G3 to execute the kludge
> that's to be removed here. I can't prove it's impossible, though.

Thanks. That's good enough for me.

Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)

cheers