KVM: arm64: Check HCR_EL2 instead of shadow copy to swap PtrAuth registers

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When save/restoring PtrAuth registers between host and guest, it is
pretty useless to fetch the in-memory state, while we have the right
state in the HCR_EL2 system register. Use that instead.

Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>

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Marc Zyngier 2020-06-11 11:26:09 +01:00

parent aff7cce0d3

commit 655169cec7

1 changed files with 2 additions and 2 deletions

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arch/arm64/include/asm/kvm_ptrauth.h

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