Re: (subset) [PATCH v5 00/19] coresight: Add support for ETE and TRBE

[Suzuki K Poulose]

On 23/03/2021 16:34, Marc Zyngier wrote:
> On Tue, 23 Mar 2021 12:06:28 +0000, Suzuki K Poulose wrote:
> > This series enables future IP trace features Embedded Trace Extension
> > (ETE) and Trace Buffer Extension (TRBE). This series applies on
> > v5.12-rc4 + some patches queued. A standalone tree is also available here [0].
> > The queued patches (almost there) are included in this posting for
> > the sake of constructing a tree from the posting.
> >
> > ETE is the PE (CPU) trace unit for CPUs, implementing future
> > architecture extensions. ETE overlaps with the ETMv4 architecture, with
> > additions to support the newer architecture features and some restrictions
> > on the supported features w.r.t ETMv4. The ETE support is added by extending
> > the ETMv4 driver to recognise the ETE and handle the features as exposed by
> > the TRCIDRx registers. ETE only supports system instructions access from the
> > host CPU. The ETE could be integrated with a TRBE (see below), or with
> > the legacy CoreSight trace bus (e.g, ETRs). Thus the ETE follows same
> > firmware description as the ETMs and requires a node per instance.
> >
> > [...]
>
> Applied to fixes, thanks!
>
> [01/19] kvm: arm64: Hide system instruction access to Trace registers
>          commit: 4af0afe252a2701732c317585f7c3ef6596b8f3d

Thanks Marc !