KVM: arm64: Prepare to handle deferred save/restore of ELR_EL1

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ELR_EL1 is not used by a VHE host kernel and can be deferred, but we
need to rework the accesses to this register to access the latest value
depending on whether or not guest system registers are loaded on the CPU
or only reside in memory.

Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

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Christoffer Dall 2017-12-27 20:51:04 +01:00 • committed by Marc Zyngier

parent 00536ec476

commit 6d4bd90964

2 changed files with 19 additions and 3 deletions

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18

arch/arm64/include/asm/kvm_emulate.h

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4

arch/arm64/kvm/inject_fault.c

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