powerpc/ftrace: Simplify PPC32's return_to_handler()

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return_to_handler() was copied from PPC64. For PPC32 it
just needs to save r3 and r4, and doesn't require any nop
after the bl.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/aab39b77b34fb2c4ed08ed01c547b6ed13643788.1640017960.git.christophe.leroy@csgroup.eu

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Christophe Leroy 2021-12-20 16:38:19 +00:00 • committed by Michael Ellerman

parent 7875bc9b07

commit 7bdb478c1d

1 changed files with 6 additions and 10 deletions

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arch/powerpc/kernel/trace/ftrace_32.S

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