Re: [PATCH v8 36/43] arm64: RME: Initialize PMCR.N with number counter supported by RMM

From: Gavin Shan
Date: Wed Apr 30 2025 - 23:43:15 EST


On 4/16/25 11:41 PM, Steven Price wrote:
From: Jean-Philippe Brucker <jean-philippe@xxxxxxxxxx>

Provide an accurate number of available PMU counters to userspace when
setting up a Realm.

Signed-off-by: Jean-Philippe Brucker <jean-philippe@xxxxxxxxxx>
Signed-off-by: Steven Price <steven.price@xxxxxxx>
---
arch/arm64/include/asm/kvm_rme.h | 1 +
arch/arm64/kvm/pmu-emul.c | 3 +++
arch/arm64/kvm/rme.c | 5 +++++
3 files changed, 9 insertions(+)


Reviewed-by: Gavin Shan <gshan@xxxxxxxxxx>