linux-kernel - [tip:x86/pti 19/20] arch/x86/entry/entry_64.o: warning: objtool: paranoid_entry()+0x11: call without frame pointer save/setup

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Date:   Mon, 12 Feb 2018 19:33:27 +0800
From:   kbuild test robot <fengguang.wu@...el.com>
To:     Dominik Brodowski <linux@...inikbrodowski.net>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        tipbuild@...or.com, Ingo Molnar <mingo@...nel.org>
Subject: [tip:x86/pti 19/20] arch/x86/entry/entry_64.o: warning: objtool:
 paranoid_entry()+0x11: call without frame pointer save/setup

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/pti
head:   5a10e729bc0aa9420a23a70b169eadd229c27bc1
commit: f09d160992d129b6d8fada7543761d40f5b33596 [19/20] x86/entry/64: Get rid of the ALLOC_PT_GPREGS_ON_STACK and SAVE_AND_CLEAR_REGS macros
config: x86_64-randconfig-s0-02121550 (attached as .config)
compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026
reproduce:
        git checkout f09d160992d129b6d8fada7543761d40f5b33596
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

>> arch/x86/entry/entry_64.o: warning: objtool: paranoid_entry()+0x11: call without frame pointer save/setup

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Download attachment ".config.gz" of type "application/gzip" (25490 bytes)