Re: [PATCH v2] x86/xen: fix balloon target initialization for PVH dom0

[kernel test robot]

Hi Roger,

kernel test robot noticed the following build errors:

[auto build test ERROR on xen-tip/linux-next]
[also build test ERROR on tip/x86/core linus/master v6.14 next-20250404]
[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/Roger-Pau-Monne/x86-xen-fix-balloon-target-initialization-for-PVH-dom0/20250404-214218
base:   https://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git linux-next
patch link:    https://lore.kernel.org/r/20250404133459.16125-1-roger.pau%40citrix.com
patch subject: [PATCH v2] x86/xen: fix balloon target initialization for PVH dom0
config: x86_64-buildonly-randconfig-003-20250405 (https://download.01.org/0day-ci/archive/20250405/202504052301.dMtJILzp-lkp@xxxxxxxxx/config)
compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250405/202504052301.dMtJILzp-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202504052301.dMtJILzp-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: xen_released_pages
   >>> referenced by balloon.c
   >>>               drivers/xen/balloon.o:(balloon_init) in archive vmlinux.a
   >>> referenced by balloon.c
   >>>               drivers/xen/balloon.o:(balloon_init) in archive vmlinux.a

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