[PATCH 0/8] perf: arm: Make PMUv3 driver available for aarch32

[Zaid Al-Bassam]

Thank you Marc for reviewing the change and fixing the issues, I have
picked up your patches and sent out v2. Tested on Cortex-A32.

Best Regards,
Zaid Al-Bassam


On Wed, Feb 8, 2023 at 11:40 AM Marc Zyngier <maz at kernel.org> wrote:
>
> On Thu, 26 Jan 2023 20:44:36 +0000,
> Zaid Al-Bassam <zalbassam at google.com> wrote:
> >
> > Currently, PMUv3 driver is only available for ARMv8 aarch64
> > platforms, ARMv8 running in aarch32 mode dont have access to
> > the driver. This is, especially, a problem for ARMv8 platforms
> > that only have aarch32 support, like the Cortex-A32.
>
> FWIW, I've pushed out my own interpretation of this series to [1],
> including the changes I suggested. The results seems to correctly work
> in a 32bit guest on a 64bit host, which is what I (used to) care
> about.
>
> Feel free to pick it up.
>
>         M.
>
> [1] https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/log/?h=arm/pmuv3
>
> --
> Without deviation from the norm, progress is not possible.