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authorMark Rutland <mark.rutland@arm.com>2015-11-16 13:58:29 +0000
committerAlex Shi <alex.shi@linaro.org>2016-05-24 16:38:33 +0800
commit8803d251328418ebf09140cbe930b698ef6441f4 (patch)
tree632515558f01aebccc89d4d3a0327acba1fecce6 /arch/arm64/kvm/hyp/debug-sr.c
parentbf0c213d6900f7446997645c4696da05aaeb6264 (diff)
arm64: kvm: report original PAR_EL1 upon panic
If we call __kvm_hyp_panic while a guest context is active, we call __restore_sysregs before acquiring the system register values for the panic, in the process throwing away the PAR_EL1 value at the point of the panic. This patch modifies __kvm_hyp_panic to stash the PAR_EL1 value prior to restoring host register values, enabling us to report the original values at the point of the panic. Acked-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org> (cherry picked from commit fbb4574ce9a37e15a9872860bf202f2be5bdf6c4) Signed-off-by: Alex Shi <alex.shi@linaro.org>
Diffstat (limited to 'arch/arm64/kvm/hyp/debug-sr.c')
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