Re: [PATCH] arm: bcm2835: Add the PMU to the devicetree.

From: Stefan Wahren
Date: Fri May 18 2018 - 04:42:11 EST


Hi Marc,

> Marc Zyngier <marc.zyngier@xxxxxxx> hat am 18. Mai 2018 um 10:07 geschrieben:
>
> I have a pretty simple series[1] which I used to profile 32bit guests on
> an arm64 KVM host. Nobody really cared about it because running a 32bit
> kernel on 64bit HW is a bit odd, to say the least, and I'm probably the
> only one actually running 32bit VMs.
>
> > FWIW, Broadcom STB chips, even when 64-bit capable or often used with an
> > 32-bit ARM kernel, so having the ARMv8 PMUs work under a 32-bit ARM
> > kernel would be great. The downstream solution we have sued thus far is
> > to find the closest compatible string to represent those, which is not
> > great...
> Ah, so you're *really* doing that? I'm not going to ask why, I'm scared
> of the answer... ;-)
>
> Anyway, I can repost that series if that will prevent people from having
> that kind of silly hacks.

yes please. But there is a minor nit: some patches introduce new files without SPDX tags.

Thanks
Stefan

>
> Thanks,
>
> M.
>
> [1]
> https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/log/?h=kvm-arm/pmuv3-32bit
> --
> Jazz is not dead. It just smells funny...