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KVM: arm64: Make AMU sysreg UNDEF if FEAT_AMU is not advertised to the guest
authorMarc Zyngier <maz@kernel.org>
Wed, 14 Feb 2024 13:18:24 +0000 (13:18 +0000)
committerOliver Upton <oliver.upton@linux.dev>
Mon, 19 Feb 2024 17:13:01 +0000 (17:13 +0000)
commitb03e8bb5a906ab0b67fe90e636c3ebff8eb0e91c
tree4d45f0d42d18c5b2c59f976dbd1a705200ce4ff1tree | snapshot
parent58627b722ee2e6cfd0b6ebe27d056f7c23acc99dcommit | diff
KVM: arm64: Make AMU sysreg UNDEF if FEAT_AMU is not advertised to the guest

No AMU? No AMU! IF we see an AMU-related trap, let's turn it into
an UNDEF!

Reviewed-by: Joey Gouly <joey.gouly@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240214131827.2856277-24-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
arch/arm64/kvm/sys_regs.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git