KVM: arm64: Promote guest ownership for DBGxVR/DBGxCR reads

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Only yielding control of the debug registers for writes is a bit silly,
unless of course you're a fan of pointless traps. Give control of the
debug registers to the guest upon the first access, regardless of
direction.

Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Link: https://lore.kernel.org/r/20241219224116.3941496-20-oliver.upton@linux.dev
Signed-off-by: Marc Zyngier <maz@kernel.org>

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Oliver Upton 2024-12-19 14:41:16 -08:00 • committed by Marc Zyngier

parent 3ce9f3357e

commit c4a6ed8545

1 changed files with 1 additions and 2 deletions

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arch/arm64/kvm/sys_regs.c

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