linux-kernel - drivers/mtd/chips/cfi_util.o: warning: objtool: cfi_qry_present() falls through to next function cfi

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Message-ID: <201710141851.WtQ8pXCk%fengguang.wu@intel.com>
Date:   Sat, 14 Oct 2017 18:24:53 +0800
From:   kbuild test robot <fengguang.wu@...el.com>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        Ingo Molnar <mingo@...nel.org>
Subject: drivers/mtd/chips/cfi_util.o: warning: objtool: cfi_qry_present()
 falls through to next function cfi_udelay()

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   9aa0d2dde6ebd14e9d16e28081a24721d5b41cc8
commit: ee97638b5737cc0dba2f12a3bdcda761656b7c01 objtool: Fix objtool fallthrough detection with function padding
date:   8 weeks ago
config: x86_64-randconfig-h0-10141638 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
        git checkout ee97638b5737cc0dba2f12a3bdcda761656b7c01
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

>> drivers/mtd/chips/cfi_util.o: warning: objtool: cfi_qry_present() falls through to next function cfi_udelay()

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0-DAY kernel test infrastructure                Open Source Technology Center
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Download attachment ".config.gz" of type "application/gzip" (23710 bytes)