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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jon Medhurst , Wang Nan , Kernel Build Reports Mailman List , Ard Biesheuvel , Will Deacon , Russell King , Masami Hiramatsu , Olof Johansson , Linux ARM Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP On Mon, Jan 15, 2018 at 1:30 PM, Olof's autobuilder 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 /* Data-processing with SP as target */ 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")