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Message-ID: <202302162052.Pm80BWt6-lkp@intel.com>
Date: Thu, 16 Feb 2023 21:06:55 +0800
From: kernel test robot <lkp@...el.com>
To: Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, Jakub Kicinski <kuba@...nel.org>,
Eric Dumazet <edumazet@...gle.com>,
Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH net-next 1/2] net: make default_rps_mask a per netns
attribute
Hi Paolo,
I love your patch! Yet something to improve:
[auto build test ERROR on net-next/master]
url: https://github.com/intel-lab-lkp/linux/commits/Paolo-Abeni/net-make-default_rps_mask-a-per-netns-attribute/20230216-023751
patch link: https://lore.kernel.org/r/35bde791a3fd775f0a027bba04a549233b705494.1676484775.git.pabeni%40redhat.com
patch subject: [PATCH net-next 1/2] net: make default_rps_mask a per netns attribute
config: parisc-defconfig (https://download.01.org/0day-ci/archive/20230216/202302162052.Pm80BWt6-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 12.1.0
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
# https://github.com/intel-lab-lkp/linux/commit/7b0e8effb3c7ac131c0da6e37cc33322ff22e2e3
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Paolo-Abeni/net-make-default_rps_mask-a-per-netns-attribute/20230216-023751
git checkout 7b0e8effb3c7ac131c0da6e37cc33322ff22e2e3
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=parisc olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=parisc SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202302162052.Pm80BWt6-lkp@intel.com/
All errors (new ones prefixed by >>):
net/core/sysctl_net_core.c: In function 'rps_default_mask_cow_alloc':
>> net/core/sysctl_net_core.c:85:33: error: passing argument 1 of 'zalloc_cpumask_var' from incompatible pointer type [-Werror=incompatible-pointer-types]
85 | if (!zalloc_cpumask_var(&rps_default_mask, GFP_KERNEL))
| ^~~~~~~~~~~~~~~~~
| |
| struct cpumask **
In file included from include/linux/smp.h:13,
from include/linux/lockdep.h:14,
from include/linux/spinlock.h:63,
from include/linux/debugobjects.h:6,
from include/linux/timer.h:8,
from include/linux/workqueue.h:9,
from include/linux/bpf.h:10,
from include/linux/filter.h:9,
from net/core/sysctl_net_core.c:9:
include/linux/cpumask.h:897:54: note: expected 'struct cpumask (*)[1]' but argument is of type 'struct cpumask **'
897 | static inline bool zalloc_cpumask_var(cpumask_var_t *mask, gfp_t flags)
| ~~~~~~~~~~~~~~~^~~~
cc1: some warnings being treated as errors
vim +/zalloc_cpumask_var +85 net/core/sysctl_net_core.c
77
78 static struct cpumask *rps_default_mask_cow_alloc(struct net *net)
79 {
80 struct cpumask *rps_default_mask;
81
82 if (net->core.rps_default_mask)
83 return net->core.rps_default_mask;
84
> 85 if (!zalloc_cpumask_var(&rps_default_mask, GFP_KERNEL))
86 return NULL;
87
88 /* pairs with READ_ONCE in rx_queue_default_mask() */
89 WRITE_ONCE(net->core.rps_default_mask, rps_default_mask);
90 return rps_default_mask;
91 }
92
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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