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authorJames Morse <james.morse@arm.com>2018-01-08 15:38:06 +0000
committerCatalin Marinas <catalin.marinas@arm.com>2018-01-13 10:44:33 +0000
commit6d99b68933fbcf51f84fcbba49246ce1209ec193 (patch)
tree894dd012b15f34f5c31f952fb52fc51485f24e9b /tools/perf/scripts/python
parentKVM: arm64: Change hyp_panic()s dependency on tpidr_el2 (diff)
downloadlinux-6d99b68933fbcf51f84fcbba49246ce1209ec193.tar.gz
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arm64: alternatives: use tpidr_el2 on VHE hosts
Now that KVM uses tpidr_el2 in the same way as Linux's cpu_offset in tpidr_el1, merge the two. This saves KVM from save/restoring tpidr_el1 on VHE hosts, and allows future code to blindly access per-cpu variables without triggering world-switch. Signed-off-by: James Morse <james.morse@arm.com> Reviewed-by: Christoffer Dall <cdall@linaro.org> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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