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| author | Nicholas Piggin <npiggin@gmail.com> | 2020-06-11 22:11:19 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-06-22 10:37:55 +1000 |
| commit | 89bbe4c798bc3a43c882179adb5222c1a972ac70 (patch) | |
| tree | b989e32f9e0abc1a5b113c3460cd5746e3e54b46 /arch/powerpc/kernel/dt_cpu_ftrs.c | |
| parent | 48778464bb7d346b47157d21ffde2af6b2d39110 (diff) | |
powerpc/64: indirect function call use bctrl rather than blrl in ret_from_kernel_thread
blrl is not recommended to use as an indirect function call, as it may
corrupt the link stack predictor.
This is not a performance critical path but this should be fixed for
consistency.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200611121119.1015740-1-npiggin@gmail.com
Diffstat (limited to 'arch/powerpc/kernel/dt_cpu_ftrs.c')
0 files changed, 0 insertions, 0 deletions