Subject: Re: [kbuild-all] Re: [PATCH net 1/4] net-sysfs: take the rtnl lock when storing xps_cpus

From: Philip Li <[email-masked]>
Date: Mon, 21 Dec 2020 12:09:27 +0800

On Fri, Dec 18, 2020 at 05:11:28PM +0100, Antoine Tenart wrote:
> That build issue seems unrelated to the patch. The series as a whole
> builds fine according to the same report, and this code is not modified
> by later patches.
Hi Antoine, this is a false positive report, kindly ignore this.
Sorry for inconvenience.

> 
> It looks a lot like this report from yesterday:
> https://www.spinics.net/lists/netdev/msg709132.html
> 
> Which also seemed unrelated to the changes:
> https://www.spinics.net/lists/netdev/msg709264.html
> 
> Thanks!
> Antoine
> 
> Quoting kernel test robot (2020-12-18 16:27:46)
> > Hi Antoine,
> > 
> > I love your patch! Yet something to improve:
> > 
> > [auto build test ERROR on net/master]
> > 
> > url:    https://github.com/0day-ci/linux/commits/Antoine-Tenart/net-sysfs-fix-race-conditions-in-the-xps-code/20201218-002852
> > base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git 3ae32c07815a24ae12de2e7838d9d429ba31e5e0
> > config: riscv-randconfig-r014-20201217 (attached as .config)
> > compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project cee1e7d14f4628d6174b33640d502bff3b54ae45)
> > 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 riscv cross compiling tool for clang build
> >         # apt-get install binutils-riscv64-linux-gnu
> >         # https://github.com/0day-ci/linux/commit/f989c3dcbe4d9abd1c6c48b34f08c6c0cd9d44b3
> >         git remote add linux-review https://github.com/0day-ci/linux
> >         git fetch --no-tags linux-review Antoine-Tenart/net-sysfs-fix-race-conditions-in-the-xps-code/20201218-002852
> >         git checkout f989c3dcbe4d9abd1c6c48b34f08c6c0cd9d44b3
> >         # save the attached .config to linux build tree
> >         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv 
> > 
> > If you fix the issue, kindly add following tag as appropriate
> > Reported-by: kernel test robot <[email-masked]>
> > 
> > Note: the linux-review/Antoine-Tenart/net-sysfs-fix-race-conditions-in-the-xps-code/20201218-002852 HEAD 563d144b47845dea594b409ecf22914b9797cd1e builds fine.
> >       It only hurts bisectibility.
> > 
> > All errors (new ones prefixed by >>):
> > 
> >    /tmp/ics932s401-422897.s: Assembler messages:
> > >> /tmp/ics932s401-422897.s:260: Error: unrecognized opcode `zext.b a1,s11'
> >    /tmp/ics932s401-422897.s:362: Error: unrecognized opcode `zext.b a1,s11'
> >    /tmp/ics932s401-422897.s:518: Error: unrecognized opcode `zext.b a1,s11'
> >    /tmp/ics932s401-422897.s:637: Error: unrecognized opcode `zext.b a1,s11'
> >    /tmp/ics932s401-422897.s:774: Error: unrecognized opcode `zext.b a1,s11'
> >    /tmp/ics932s401-422897.s:893: Error: unrecognized opcode `zext.b a1,s11'
> >    /tmp/ics932s401-422897.s:1021: Error: unrecognized opcode `zext.b a1,s11'
> > >> /tmp/ics932s401-422897.s:1180: Error: unrecognized opcode `zext.b a1,s2'
> >    clang-12: error: assembler command failed with exit code 1 (use -v to see invocation)
> > 
> > ---
> > 0-DAY CI Kernel Test Service, Intel Corporation
> > https://lists.01.org/hyperkitty/list/[email-masked]
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