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(parent: 0a679e1) | patch
arm/ftrace: Fix BE text poking
authorPeter Zijlstra <peterz@infradead.org>
Fri, 7 Feb 2020 11:57:36 +0000 (12:57 +0100)
committerIngo Molnar <mingo@kernel.org>
Tue, 11 Feb 2020 11:56:26 +0000 (12:56 +0100)
commitbe993e44badc448add6a18d6f12b20615692c4c3
treee1fb23b396ab0d64257bdd8796808c1db05e3f92tree | snapshot
parent0a679e13ea30f85a1aef0669ee0c5a9fd7860b34commit | diff
arm/ftrace: Fix BE text poking

The __patch_text() function already applies __opcode_to_mem_*(), so
when __opcode_to_mem_*() is not the identity (BE*), it is applied
twice, wrecking the instruction.

Fixes: 42e51f187f86 ("arm/ftrace: Use __patch_text()")
Reported-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Tested-by: Dmitry Osipenko <digetx@gmail.com>
arch/arm/kernel/ftrace.c diff | blob | history
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