linux-kernel - [tip:x86/pti 1/2] drivers/mtd/chips/.tmp_cfi_util.o: warning: objtool: cfi_qry_present() falls through to next function cfi_qry_mode

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Date:   Tue, 16 Jan 2018 20:12:37 +0800
From:   kbuild test robot <fengguang.wu@...el.com>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        tipbuild@...or.com, Ingo Molnar <mingo@...nel.org>
Subject: [tip:x86/pti 1/2] drivers/mtd/chips/.tmp_cfi_util.o: warning:
 objtool: cfi_qry_present() falls through to next function cfi_qry_mode_on()

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/pti
head:   385d11b152c4eb638eeb769edcb3249533bb9a00
commit: 2a0098d70640dda192a79966c14d449e7a34d675 [1/2] objtool: Fix seg fault with gold linker
config: x86_64-randconfig-g0-01161915 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
        git checkout 2a0098d70640dda192a79966c14d449e7a34d675
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

>> drivers/mtd/chips/.tmp_cfi_util.o: warning: objtool: cfi_qry_present() falls through to next function cfi_qry_mode_on()
--
>> drivers/mtd/chips/.tmp_cfi_cmdset_0002.o: warning: objtool: chip_good() falls through to next function fixup_use_fwh_lock()

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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" (30550 bytes)