powerpc/ftrace: Prepare PPC32's ftrace_caller() for CONFIG_DYNAMIC_FTRACE_WITH_ARGS

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In order to implement CONFIG_DYNAMIC_FTRACE_WITH_ARGS, change
ftrace_caller() stack layout to match struct pt_regs.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/da9734eba504998fb914aca12131c9f6bf6120a8.1640017960.git.christophe.leroy@csgroup.eu

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Christophe Leroy 2021-12-20 16:38:22 +00:00 • committed by Michael Ellerman

parent 7bdb478c1d

commit d95bf254be

2 changed files with 26 additions and 42 deletions

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39

arch/powerpc/include/asm/ftrace.h

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29

arch/powerpc/kernel/trace/ftrace_32.S

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