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| author | James Morse <james.morse@arm.com> | 2018-01-08 18:38:06 +0300 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2018-01-13 13:44:33 +0300 |
| commit | 6d99b68933fbcf51f84fcbba49246ce1209ec193 (patch) | |
| tree | 894dd012b15f34f5c31f952fb52fc51485f24e9b /tools/perf/scripts/python/call-graph-from-sql.py | |
| parent | c97e166e54b662717d20ec2e36761758d2b6a7c2 (diff) | |
| download | linux-6d99b68933fbcf51f84fcbba49246ce1209ec193.tar.xz | |
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>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-sql.py')
0 files changed, 0 insertions, 0 deletions