powerpc/ftrace: Skip instruction patching if the instructions are the same

Browse source

To simplify upcoming changes to ftrace, add a check to skip actual
instruction patching if the old and new instructions are the same. We
still validate that the instruction is what we expect, but don't
actually patch the same instruction again.

Signed-off-by: Naveen N Rao <naveen@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://patch.msgid.link/20241030070850.1361304-8-hbathini@linux.ibm.com

...

This commit is contained in:

Naveen N Rao 2024-10-30 12:38:40 +05:30 • committed by Michael Ellerman

parent 8b0dc1305e

commit 1d59bd2fc0

1 changed files with 1 additions and 1 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

2

arch/powerpc/kernel/trace/ftrace.c

View file