Re: [kvm-unit-tests PATCH v4 0/4] arm: pmu: Fixes for bare metal

[Marc Zyngier <maz@kernel.org>]

On 2022-08-11 19:52, Ricardo Koller wrote:
> There are some tests that fail when running on bare metal (including a
> passthrough prototype).  There are three issues with the tests.  The
> first one is that there are some missing isb()'s between enabling event
> counting and the actual counting. This wasn't an issue on KVM as
> trapping on registers served as context synchronization events. The
> second issue is that some tests assume that registers reset to 0.  And
> finally, the third issue is that overflowing the low counter of a
> chained event sets the overflow flag in PMVOS and some tests fail by
> checking for it not being set.
> 
> Addressed all comments from the previous version:
> https://lore.kernel.org/kvmarm/YvPsBKGbHHQP+0oS@google.com/T/#mb077998e2eb9fb3e15930b3412fd7ba2fb4103ca
> - add pmu_reset() for 32-bit arm [Andrew]
> - collect r-b from Alexandru
> 
> Thanks!
> Ricardo
> 
> Ricardo Koller (4):
>   arm: pmu: Add missing isb()'s after sys register writing
>   arm: pmu: Add reset_pmu() for 32-bit arm
>   arm: pmu: Reset the pmu registers before starting some tests
>   arm: pmu: Check for overflow in the low counter in chained counters
>     tests
> 
>  arm/pmu.c | 72 ++++++++++++++++++++++++++++++++++++++++++-------------
>  1 file changed, 55 insertions(+), 17 deletions(-)

For the series:

Acked-by: Marc Zyngier <maz@kernel.org>

        M.
-- 
Jazz is not dead. It just smells funny...
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