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Message-ID: <54AF7A79.20500@huawei.com> Date: Fri, 9 Jan 2015 14:51:37 +0800 From: Wang Nan <wangnan0@...wei.com> To: <masami.hiramatsu.pt@...achi.com>, <tixy@...aro.org>, <linux@....linux.org.uk> CC: <lizefan@...wei.com>, <linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org> Subject: Re: [PATCH v19 08/11] ARM: kprobes: enable OPTPROBES for ARM 32 Hi Tixy and other, Similar to patch 01/11, build robot found a building error in this patch when ARM version is lower than 4. In such processors 'blx' instruction is unusable. I have posted a new version of this patch, which has following code change: diff --git a/arch/arm/probes/kprobes/opt-arm.c b/arch/arm/probes/kprobes/opt-arm.c index 6a60df3..cb47eff 100644 --- a/arch/arm/probes/kprobes/opt-arm.c +++ b/arch/arm/probes/kprobes/opt-arm.c @@ -58,7 +58,12 @@ asm ( */ " and r4, sp, #4\n" " sub sp, sp, r4\n" +#if __LINUX_ARM_ARCH__ >= 5 " blx r2\n" +#else + " mov lr, pc\n" + " bx r2\n" +#endif " add sp, sp, r4\n" " ldr r1, [sp, #64]\n" " tst r1, #"__stringify(PSR_T_BIT)"\n" http://lists.infradead.org/pipermail/linux-arm-kernel/2015-January/314542.html Tixy, could you please collect it into your repository and test again? Thank you! -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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