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H A D | test-arm.c | e9d54be9 Tue Feb 16 13:14:46 CST 2021 Nick Desaulniers <ndesaulniers@google.com> ARM: 9061/1: kprobes: fix UNPREDICTABLE warnings
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.
Ard notes: These are selftests that aim to ensure that kprobe never attempts to replace the opcodes in question with a probe, but they are not actually executed, or expected to occur in real code.
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> Acked-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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