From: Andrew Morton <akpm@linux-foundation.org>
To: kernel test robot <lkp@intel.com>
Cc: Rikard Falkeborn <rikard.falkeborn@gmail.com>,
kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
Linux Memory Management List <linux-mm@kvack.org>,
Masahiro Yamada <yamada.masahiro@socionext.com>,
Kees Cook <keescook@chromium.org>, Peter Rosin <peda@axentia.se>
Subject: Re: include/linux/bits.h:25:21: error: first argument to '__builtin_choose_expr' not a constant
Date: Mon, 10 Aug 2020 21:27:56 -0700 [thread overview]
Message-ID: <20200810212756.04c006476aa9c663edb01f32@linux-foundation.org> (raw)
In-Reply-To: <202008080833.zZnw48Gr%lkp@intel.com>
On Sat, 8 Aug 2020 08:03:38 +0800 kernel test robot <lkp@intel.com> wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: 30185b69a2d533c4ba6ca926b8390ce7de495e29
> commit: 295bcca84916cb5079140a89fccb472bb8d1f6e2 linux/bits.h: add compile time sanity check of GENMASK inputs
> date: 4 months ago
> config: s390-randconfig-r001-20200808 (attached as .config)
> compiler: s390-linux-gcc (GCC) 9.3.0
> 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
> git checkout 295bcca84916cb5079140a89fccb472bb8d1f6e2
> # save the attached .config to linux build tree
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=s390
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
>
> All errors (new ones prefixed by >>):
>
> drivers/mux/mmio.c: In function 'mux_mmio_probe':
> drivers/mux/mmio.c:76:20: error: storage size of 'field' isn't known
> 76 | struct reg_field field;
> | ^~~~~
> In file included from include/linux/bits.h:23,
> from include/linux/bitops.h:5,
> from drivers/mux/mmio.c:8:
> >> include/linux/bits.h:25:21: error: first argument to '__builtin_choose_expr' not a constant
I assume the first error is the cause of the second?
struct reg_field is only defined if CONFIG_REGMAP, and that is unset in
this .config. Perhaps drivers/mux/mmio.c should depend on
CONFIG_REGMAP? (cc Peter).
WARNING: multiple messages have this Message-ID (diff)
From: Andrew Morton <akpm@linux-foundation.org>
To: kbuild-all@lists.01.org
Subject: Re: include/linux/bits.h:25:21: error: first argument to '__builtin_choose_expr' not a constant
Date: Mon, 10 Aug 2020 21:27:56 -0700 [thread overview]
Message-ID: <20200810212756.04c006476aa9c663edb01f32@linux-foundation.org> (raw)
In-Reply-To: <202008080833.zZnw48Gr%lkp@intel.com>
[-- Attachment #1: Type: text/plain, Size: 1702 bytes --]
On Sat, 8 Aug 2020 08:03:38 +0800 kernel test robot <lkp@intel.com> wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: 30185b69a2d533c4ba6ca926b8390ce7de495e29
> commit: 295bcca84916cb5079140a89fccb472bb8d1f6e2 linux/bits.h: add compile time sanity check of GENMASK inputs
> date: 4 months ago
> config: s390-randconfig-r001-20200808 (attached as .config)
> compiler: s390-linux-gcc (GCC) 9.3.0
> 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
> git checkout 295bcca84916cb5079140a89fccb472bb8d1f6e2
> # save the attached .config to linux build tree
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=s390
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
>
> All errors (new ones prefixed by >>):
>
> drivers/mux/mmio.c: In function 'mux_mmio_probe':
> drivers/mux/mmio.c:76:20: error: storage size of 'field' isn't known
> 76 | struct reg_field field;
> | ^~~~~
> In file included from include/linux/bits.h:23,
> from include/linux/bitops.h:5,
> from drivers/mux/mmio.c:8:
> >> include/linux/bits.h:25:21: error: first argument to '__builtin_choose_expr' not a constant
I assume the first error is the cause of the second?
struct reg_field is only defined if CONFIG_REGMAP, and that is unset in
this .config. Perhaps drivers/mux/mmio.c should depend on
CONFIG_REGMAP? (cc Peter).
next prev parent reply other threads:[~2020-08-11 4:30 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-08 0:03 include/linux/bits.h:25:21: error: first argument to '__builtin_choose_expr' not a constant kernel test robot
2020-08-08 0:03 ` kernel test robot
2020-08-11 4:27 ` Andrew Morton [this message]
2020-08-11 4:27 ` Andrew Morton
2020-08-12 13:37 ` Peter Rosin
2020-08-12 13:37 ` Peter Rosin
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