On Mon, Jan 15, 2018 at 1:30 PM, Olof's autobuilder build@lixom.net wrote:
Warnings:
arm.allmodconfig:/tmp/cccX4oa4.s:18153: Warning: using r15 results in unpredictable behaviour /tmp/cccX4oa4.s:18225: Warning: using r15 results in unpredictable behaviour
This appears to be an old issue that only now started to get reported here. From what I can tell, new versions of binutils warn about two isntructions in the kprobes test:
Maybe we can work around it using a patch like below?
Arnd
diff --git a/arch/arm/probes/kprobes/test-arm.c b/arch/arm/probes/kprobes/test-arm.c index 8866aedfdea2..8b7df0ce04d2 100644 --- a/arch/arm/probes/kprobes/test-arm.c +++ b/arch/arm/probes/kprobes/test-arm.c @@ -169,10 +169,10 @@ 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 */