arm64: hyp-stub: Zero x0 on successful stub handling

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We now return HVC_STUB_ERR when a stub hypercall fails, but we
leave whatever was in x0 on success. Zeroing it on return seems
like a good idea.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <cdall@linaro.org>

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Marc Zyngier 2017-04-03 19:38:05 +01:00 • committed by Christoffer Dall

parent 0b51c547fd

commit af42f20480

2 changed files with 6 additions and 4 deletions

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4

arch/arm64/kernel/hyp-stub.S

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6

arch/arm64/kvm/hyp-init.S

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