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Message-ID: <DM6PR13MB3705AE29E99E9E90E62ED398FC0CA@DM6PR13MB3705.namprd13.prod.outlook.com> Date: Mon, 7 Aug 2023 02:10:31 +0000 From: Yinjun Zhang <yinjun.zhang@...igine.com> To: "lkp@...el.com" <lkp@...el.com> CC: "davem@...emloft.net" <davem@...emloft.net>, "kuba@...nel.org" <kuba@...nel.org>, Louis Peens <louis.peens@...igine.com>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "oe-kbuild-all@...ts.linux.dev" <oe-kbuild-all@...ts.linux.dev>, oss-drivers <oss-drivers@...igine.com>, "pabeni@...hat.com" <pabeni@...hat.com>, Simon Horman <simon.horman@...igine.com>, Tianyu Yuan <tianyu.yuan@...hogine.com> Subject: RE: [PATCH net-next 05/12] nfp: introduce keepalive mechanism for multi-PF setup On Sunday, July 30, 2023 12:52 PM, Yinjun Zhang wrote: > On Sun, 30 Jul 2023 04:20:57 +0800, kernel test robot wrote: > > Hi Louis, > > > > kernel test robot noticed the following build warnings: > > > > [auto build test WARNING on net-next/main] > > > > url: https://github.com/intel-lab-lkp/linux/commits/Louis-Peens/nsp- > generate-nsp-command-with-variable-nsp-major-version/20230724-180015 > > base: net-next/main > > patch link: https://lore.kernel.org/r/20230724094821.14295-6- > louis.peens%40corigine.com > > patch subject: [PATCH net-next 05/12] nfp: introduce keepalive mechanism > for multi-PF setup > > config: openrisc-randconfig-r081-20230730 (https://download.01.org/0day- > ci/archive/20230730/202307300422.oPy5E1hB-lkp@...el.com/config) > > compiler: or1k-linux-gcc (GCC) 12.3.0 > > reproduce: (https://download.01.org/0day- > ci/archive/20230730/202307300422.oPy5E1hB-lkp@...el.com/reproduce) > > > > If you fix the issue in a separate patch/commit (i.e. not just a new version of > > the same patch/commit), kindly add following tags > > | Reported-by: kernel test robot <lkp@...el.com> > > | Closes: https://lore.kernel.org/oe-kbuild-all/202307300422.oPy5E1hB- > lkp@...el.com/ > > > > sparse warnings: (new ones prefixed by >>) > > drivers/net/ethernet/netronome/nfp/nfp_main.c: note: in included file > (through drivers/net/ethernet/netronome/nfp/nfp_net.h): > > >> include/linux/io-64-nonatomic-hi-lo.h:22:16: sparse: sparse: cast > truncates bits from constant value (6e66702e62656174 becomes 62656174) > > I think it's more like a callee's problem instead of the caller's. > `writeq` is supposed to be able to be fed with a constant. WDYT? There's no response for one week. To compromise, I'm going to change the caller in driver side. Let me know if anybody has some other comments. > > > > > vim +22 include/linux/io-64-nonatomic-hi-lo.h > > > > 797a796a13df6b include/asm-generic/io-64-nonatomic-hi-lo.h Hitoshi > Mitake 2012-02-07 18 > > 3a044178cccfeb include/asm-generic/io-64-nonatomic-hi-lo.h Jason Baron > 2014-07-04 19 static inline void hi_lo_writeq(__u64 val, volatile void > __iomem *addr) > > 797a796a13df6b include/asm-generic/io-64-nonatomic-hi-lo.h Hitoshi > Mitake 2012-02-07 20 { > > 797a796a13df6b include/asm-generic/io-64-nonatomic-hi-lo.h Hitoshi > Mitake 2012-02-07 21 writel(val >> 32, addr + 4); > > 797a796a13df6b include/asm-generic/io-64-nonatomic-hi-lo.h Hitoshi > Mitake 2012-02-07 @22 writel(val, addr); > > 797a796a13df6b include/asm-generic/io-64-nonatomic-hi-lo.h Hitoshi > Mitake 2012-02-07 23 } > > 3a044178cccfeb include/asm-generic/io-64-nonatomic-hi-lo.h Jason Baron > 2014-07-04 24 > > > > -- > > 0-DAY CI Kernel Test Service > > https://github.com/intel/lkp-tests/wiki
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