KVM: arm64: nv: Handle FEAT_TTL hinted TLB operations

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Support guest-provided information information to size the range of
required invalidation. This helps with reducing over-invalidation,
provided that the guest actually provides accurate information.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240614144552.2773592-12-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>

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Marc Zyngier 2024-06-14 15:45:47 +01:00 • committed by Oliver Upton

parent 70109bcd70

commit d1de1576dc

3 changed files with 92 additions and 23 deletions

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2

arch/arm64/include/asm/kvm_nested.h

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89

arch/arm64/kvm/nested.c

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24

arch/arm64/kvm/sys_regs.c

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