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| author | Will Deacon <[email protected]> | 2017-11-14 14:33:28 +0000 |
|---|---|---|
| committer | Will Deacon <[email protected]> | 2017-12-11 13:41:03 +0000 |
| commit | 18011eac28c7cb31c87b86b7d0e5b01894405c7f (patch) | |
| tree | efa4a258adc6d272214883d12316cfa34002b9dc /tools/perf/scripts/python/bin/export-to-postgresql-report | |
| parent | d1777e686ad10ba7c594304429c6045fb79255a1 (diff) | |
arm64: tls: Avoid unconditional zeroing of tpidrro_el0 for native tasks
When unmapping the kernel at EL0, we use tpidrro_el0 as a scratch register
during exception entry from native tasks and subsequently zero it in
the kernel_ventry macro. We can therefore avoid zeroing tpidrro_el0
in the context-switch path for native tasks using the entry trampoline.
Reviewed-by: Mark Rutland <[email protected]>
Tested-by: Laura Abbott <[email protected]>
Tested-by: Shanker Donthineni <[email protected]>
Signed-off-by: Will Deacon <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/bin/export-to-postgresql-report')
0 files changed, 0 insertions, 0 deletions