[tip:x86/pti 14/14] arch/x86/kernel/ftrace_64.o: warning: objtool: .entry.text+0x152: unreachable instruction

From: kbuild test robot
Date: Mon May 14 2018 - 09:26:06 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/pti
head: 51bad67ffbce0aaa44579f84ef5d05597054ec6a
commit: 51bad67ffbce0aaa44579f84ef5d05597054ec6a [14/14] x86/asm: Pad assembly functions with INT3 instructions
config: x86_64-randconfig-x016-201819 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-16) 7.3.0
reproduce:
git checkout 51bad67ffbce0aaa44579f84ef5d05597054ec6a
# save the attached .config to linux build tree
make ARCH=x86_64

All warnings (new ones prefixed by >>):

>> arch/x86/kernel/ftrace_64.o: warning: objtool: .entry.text+0x152: unreachable instruction
--
>> arch/x86/kernel/head_64.o: warning: objtool: .head.text+0x22: unreachable instruction

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