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Subject[PATCH v5 1/2] ARM: kprobes: fix UNPREDICTABLE warnings
From
GNU as warns twice for this file:
Warning: using r15 results in unpredictable behaviour

via the Arm ARM:
K1.1.1 Overview of the constraints on Armv7 UNPREDICTABLE behaviors

The term UNPREDICTABLE describes a number of cases where the
architecture has a feature that software must not use.

Link: https://github.com/ClangBuiltLinux/linux/issues/1271
Link: https://reviews.llvm.org/D95586
Reported-by: kernelci.org bot <bot@kernelci.org>
Suggested-by: Peter Smith <peter.smith@arm.com>
Suggested-by: Renato Golin <rengolin@systemcall.eu>
Suggested-by: David Spickett <david.spickett@linaro.org>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
---
arch/arm/probes/kprobes/test-arm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/probes/kprobes/test-arm.c b/arch/arm/probes/kprobes/test-arm.c
index 977369f1aa48..2543106a203e 100644
--- a/arch/arm/probes/kprobes/test-arm.c
+++ b/arch/arm/probes/kprobes/test-arm.c
@@ -166,10 +166,10 @@ void kprobe_arm_test_cases(void)

/* Data-processing with PC as a target and status registers updated */
TEST_UNSUPPORTED("movs pc, r1")
- TEST_UNSUPPORTED("movs pc, r1, lsl r2")
+ TEST_UNSUPPORTED(__inst_arm(0xe1b0f211) " @movs pc, r1, lsl r2")
TEST_UNSUPPORTED("movs pc, #0x10000")
TEST_UNSUPPORTED("adds pc, lr, r1")
- TEST_UNSUPPORTED("adds pc, lr, r1, lsl r2")
+ TEST_UNSUPPORTED(__inst_arm(0xe09ef211) " @adds pc, lr, r1, lsl r2")
TEST_UNSUPPORTED("adds pc, lr, #4")

/* Data-processing with SP as target */
--
2.30.0.478.g8a0d178c01-goog
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