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authorChristoffer Dall <christoffer.dall@linaro.org>2017-08-04 13:47:18 +0200
committerMarc Zyngier <marc.zyngier@arm.com>2018-03-19 10:53:19 +0000
commita2465629b62a82b3145dc7ef40ec6c32432cf002 (patch)
treee39e588a883ac6e565a9b8214c3e79ef3351c4be /tools/hv/hv_kvp_daemon.c
parentc16c1131fb1ccc70aac351111388bf23a97024ca (diff)
KVM: arm64: Configure c15, PMU, and debug register traps on cpu load/put for VHE
We do not have to change the c15 trap setting on each switch to/from the guest on VHE systems, because this setting only affects guest EL1/EL0 (and therefore not the VHE host). The PMU and debug trap configuration can also be done on vcpu load/put instead, because they don't affect how the VHE host kernel can access the debug registers while executing KVM kernel code. 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>
Diffstat (limited to 'tools/hv/hv_kvp_daemon.c')
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