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Re: [PATCH 2/2] target/arm: Initlaize PMU feature for scratch vcpu
From: |
Peter Maydell |
Subject: |
Re: [PATCH 2/2] target/arm: Initlaize PMU feature for scratch vcpu |
Date: |
Wed, 7 Apr 2021 07:38:32 +0000 |
On Wed, 7 Apr 2021 at 03:01, Gavin Shan <gshan@redhat.com> wrote:
>
> If the scratch vCPU is initialized without PMU feature, we receive
> error on reading PMCR_EL0 as it's invisible in this case. It leads
> to host probing failure.
>
> This fixes the issue by initializing the scratch vcpu with the PMU
> feature enabled and reading PMCR_EL0 from host. Otherwise, its value
> is set according to the detected target.
>
> Fixes: f7fb73b8cdd3 ("target/arm: Make number of counters in PMCR follow the
> CPU")
This commit has been reverted...
I couldn't find a cover letter for these patches, so it's
hard to tell what you're aiming to do with them. Could you
make sure you always send a cover letter with a multiple-patch
series, please ? This also helps with our automated tooling.
thanks
-- PMM