linux-kernel - Re: [PATCH v8] arch/powerpc/kvm: Add support for reading VPA counters for pseries guests

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Date: Fri, 17 May 2024 09:57:58 +0800
From: kernel test robot <lkp@...el.com>
To: Gautam Menghani <gautam@...ux.ibm.com>, mpe@...erman.id.au,
	npiggin@...il.com, christophe.leroy@...roup.eu,
	naveen.n.rao@...ux.ibm.com
Cc: oe-kbuild-all@...ts.linux.dev, kvm@...r.kernel.org,
	Gautam Menghani <gautam@...ux.ibm.com>,
	linux-kernel@...r.kernel.org, Naveen N Rao <naveen@...nel.org>,
	Vaibhav Jain <vaibhav@...ux.ibm.com>, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH v8] arch/powerpc/kvm: Add support for reading VPA
 counters for pseries guests

Hi Gautam,

kernel test robot noticed the following build errors:

[auto build test ERROR on powerpc/topic/ppc-kvm]
[also build test ERROR on powerpc/next powerpc/fixes kvm/queue mst-vhost/linux-next linus/master v6.9 next-20240516]
[cannot apply to kvm/linux-next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Gautam-Menghani/arch-powerpc-kvm-Add-support-for-reading-VPA-counters-for-pseries-guests/20240510-185213
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git topic/ppc-kvm
patch link:    https://lore.kernel.org/r/20240510104941.78410-1-gautam%40linux.ibm.com
patch subject: [PATCH v8] arch/powerpc/kvm: Add support for reading VPA counters for pseries guests
config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20240517/202405170932.TL7G99IJ-lkp@intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240517/202405170932.TL7G99IJ-lkp@intel.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/202405170932.TL7G99IJ-lkp@intel.com/

All errors (new ones prefixed by >>):

   powerpc64-linux-ld: warning: discarding dynamic section .glink
   powerpc64-linux-ld: warning: discarding dynamic section .plt
   powerpc64-linux-ld: linkage table error against `__traceiter_kvmppc_vcpu_stats'
   powerpc64-linux-ld: stubs don't match calculated size
   powerpc64-linux-ld: can not build stubs: bad value
   powerpc64-linux-ld: arch/powerpc/kvm/book3s_hv_nestedv2.o: in function `do_trace_nested_cs_time':
>> book3s_hv_nestedv2.c:(.text.do_trace_nested_cs_time+0x264): undefined reference to `__traceiter_kvmppc_vcpu_stats'
>> powerpc64-linux-ld: arch/powerpc/kvm/book3s_hv_nestedv2.o:(__jump_table+0x8): undefined reference to `__tracepoint_kvmppc_vcpu_stats'

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki