From: "Gustavo A. R. Silva" <gustavoars@kernel.org>
To: kernel test robot <lkp@intel.com>
Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org,
linux-kernel@vger.kernel.org, Kees Cook <keescook@chromium.org>,
Nathan Chancellor <nathan@kernel.org>
Subject: Re: arch/mips/mm/tlbex.c:2243:3: warning: unannotated fall-through between switch labels
Date: Mon, 22 Nov 2021 18:55:28 -0600 [thread overview]
Message-ID: <20211123005528.GA550759@embeddedor> (raw)
In-Reply-To: <202111230719.OZDUHU4z-lkp@intel.com>
On Tue, Nov 23, 2021 at 07:51:33AM +0800, kernel test robot wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: 136057256686de39cc3a07c2e39ef6bc43003ff6
> commit: dee2b702bcf067d7b6b62c18bdd060ff0810a800 kconfig: Add support for -Wimplicit-fallthrough
> date: 8 days ago
> config: mips-randconfig-r016-20211116 (attached as .config)
> compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project fbe72e41b99dc7994daac300d208a955be3e4a0a)
> reproduce (this is a W=1 build):
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> # install mips cross compiling tool for clang build
> # apt-get install binutils-mips-linux-gnu
> # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=dee2b702bcf067d7b6b62c18bdd060ff0810a800
> git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> git fetch --no-tags linus master
> git checkout dee2b702bcf067d7b6b62c18bdd060ff0810a800
> # save the attached .config to linux build tree
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=mips
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
>
> All warnings (new ones prefixed by >>):
>
> >> arch/mips/mm/tlbex.c:2243:3: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough]
> case CPU_CAVIUM_OCTEON:
> ^
> arch/mips/mm/tlbex.c:2243:3: note: insert 'break;' to avoid fall-through
> case CPU_CAVIUM_OCTEON:
> ^
> break;
I already have a patch for this here:
https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git/commit/?h=for-linus/kspp&id=cd3ed04e7fc365e4e581333c3ff69c8da6ca0e8b
Thanks
--
Gustavo
next prev parent reply other threads:[~2021-11-23 0:50 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-22 23:51 arch/mips/mm/tlbex.c:2243:3: warning: unannotated fall-through between switch labels kernel test robot
2021-11-23 0:55 ` Gustavo A. R. Silva [this message]
2021-11-23 8:52 ` Joe Perches
2021-11-23 16:50 ` Gustavo A. R. Silva
2021-11-23 17:25 ` Joe Perches
2021-11-23 17:56 ` Gustavo A. R. Silva
2021-11-23 17:59 ` Joe Perches
2021-11-23 18:16 ` Gustavo A. R. Silva
2021-11-23 18:21 ` Joe Perches
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