Hi Roger, Thank you for the patch! Yet something to improve:
[auto build test ERROR on xen-tip/linux-next] [also build test ERROR on linux/master hnaz-linux-mm/master linus/master v5.8 next-20200812] [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] url: https://github.com/0day-ci/linux/commits/Roger-Pau-Monne/xen-balloon-fixes-for-memory-hotplug/20200811-174616 base: https://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git linux-next config: x86_64-randconfig-a001-20200812 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 30c1633386e7cfb01c0a54b31ccf4c3a3873e71b) 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 x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> All errors (new ones prefixed by >>): In file included from drivers/xen/grant-table.c:59: include/xen/balloon.h:8:8: error: redefinition of 'balloon_stats' struct balloon_stats { ^ include/xen/xen.h:61:10: note: 'include/xen/balloon.h' included multiple times, additional include site here #include <xen/balloon.h> ^ drivers/xen/grant-table.c:59:10: note: 'include/xen/balloon.h' included multiple times, additional include site here #include <xen/balloon.h> ^ include/xen/balloon.h:8:8: note: unguarded header; consider using #ifdef guards or #pragma once struct balloon_stats { ^ In file included from drivers/xen/grant-table.c:59: >> include/xen/balloon.h:33:20: error: redefinition of 'xen_balloon_init' static inline void xen_balloon_init(void) ^ include/xen/balloon.h:33:20: note: previous definition is here static inline void xen_balloon_init(void) ^ 2 errors generated. -- In file included from drivers/xen/balloon.c:70: include/xen/balloon.h:8:8: error: redefinition of 'balloon_stats' struct balloon_stats { ^ include/xen/xen.h:61:10: note: 'include/xen/balloon.h' included multiple times, additional include site here #include <xen/balloon.h> ^ drivers/xen/balloon.c:70:10: note: 'include/xen/balloon.h' included multiple times, additional include site here #include <xen/balloon.h> ^ include/xen/balloon.h:8:8: note: unguarded header; consider using #ifdef guards or #pragma once struct balloon_stats { ^ In file included from drivers/xen/balloon.c:70: >> include/xen/balloon.h:33:20: error: redefinition of 'xen_balloon_init' static inline void xen_balloon_init(void) ^ include/xen/balloon.h:33:20: note: previous definition is here static inline void xen_balloon_init(void) ^ 2 errors generated. -- In file included from drivers/xen/gntdev.c:41: include/xen/balloon.h:8:8: error: redefinition of 'balloon_stats' struct balloon_stats { ^ include/xen/xen.h:61:10: note: 'include/xen/balloon.h' included multiple times, additional include site here #include <xen/balloon.h> ^ drivers/xen/gntdev.c:41:10: note: 'include/xen/balloon.h' included multiple times, additional include site here #include <xen/balloon.h> ^ include/xen/balloon.h:8:8: note: unguarded header; consider using #ifdef guards or #pragma once struct balloon_stats { ^ In file included from drivers/xen/gntdev.c:41: >> include/xen/balloon.h:33:20: error: redefinition of 'xen_balloon_init' static inline void xen_balloon_init(void) ^ include/xen/balloon.h:33:20: note: previous definition is here static inline void xen_balloon_init(void) ^ In file included from drivers/xen/gntdev.c:48: In file included from drivers/xen/gntdev-common.h:15: include/linux/mman.h:134:9: warning: division by zero is undefined [-Wdivision-by-zero] _calc_vm_trans(flags, MAP_SYNC, VM_SYNC ); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/mman.h:111:21: note: expanded from macro '_calc_vm_trans' : ((x) & (bit1)) / ((bit1) / (bit2)))) ^ ~~~~~~~~~~~~~~~~~ 1 warning and 2 errors generated. -- In file included from drivers/xen/privcmd.c:40: include/xen/balloon.h:8:8: error: redefinition of 'balloon_stats' struct balloon_stats { ^ include/xen/xen.h:61:10: note: 'include/xen/balloon.h' included multiple times, additional include site here #include <xen/balloon.h> ^ drivers/xen/privcmd.c:40:10: note: 'include/xen/balloon.h' included multiple times, additional include site here #include <xen/balloon.h> ^ include/xen/balloon.h:8:8: note: unguarded header; consider using #ifdef guards or #pragma once struct balloon_stats { ^ In file included from drivers/xen/privcmd.c:40: >> include/xen/balloon.h:33:20: error: redefinition of 'xen_balloon_init' static inline void xen_balloon_init(void) ^ include/xen/balloon.h:33:20: note: previous definition is here static inline void xen_balloon_init(void) ^ 2 errors generated. -- In file included from drivers/xen/xlate_mmu.c:43: include/xen/balloon.h:8:8: error: redefinition of 'balloon_stats' struct balloon_stats { ^ include/xen/xen.h:61:10: note: 'include/xen/balloon.h' included multiple times, additional include site here #include <xen/balloon.h> ^ drivers/xen/xlate_mmu.c:43:10: note: 'include/xen/balloon.h' included multiple times, additional include site here #include <xen/balloon.h> ^ include/xen/balloon.h:8:8: note: unguarded header; consider using #ifdef guards or #pragma once struct balloon_stats { ^ In file included from drivers/xen/xlate_mmu.c:43: >> include/xen/balloon.h:33:20: error: redefinition of 'xen_balloon_init' static inline void xen_balloon_init(void) ^ include/xen/balloon.h:33:20: note: previous definition is here static inline void xen_balloon_init(void) ^ 2 errors generated. -- In file included from drivers/xen/xenbus/xenbus_client.c:44: In file included from include/xen/events.h:13: In file included from arch/x86/include/asm/xen/events.h:5: In file included from include/xen/xen.h:61: include/xen/balloon.h:8:8: error: redefinition of 'balloon_stats' struct balloon_stats { ^ drivers/xen/xenbus/xenbus_client.c:43:10: note: 'include/xen/balloon.h' included multiple times, additional include site here #include <xen/balloon.h> ^ include/xen/xen.h:61:10: note: 'include/xen/balloon.h' included multiple times, additional include site here #include <xen/balloon.h> ^ include/xen/balloon.h:8:8: note: unguarded header; consider using #ifdef guards or #pragma once struct balloon_stats { ^ In file included from drivers/xen/xenbus/xenbus_client.c:44: In file included from include/xen/events.h:13: In file included from arch/x86/include/asm/xen/events.h:5: In file included from include/xen/xen.h:61: >> include/xen/balloon.h:33:20: error: redefinition of 'xen_balloon_init' static inline void xen_balloon_init(void) ^ include/xen/balloon.h:33:20: note: previous definition is here static inline void xen_balloon_init(void) ^ 2 errors generated. vim +/xen_balloon_init +33 include/xen/balloon.h 803eb047a28d239 Daniel De Graaf 2011-03-14 7 803eb047a28d239 Daniel De Graaf 2011-03-14 @8 struct balloon_stats { 803eb047a28d239 Daniel De Graaf 2011-03-14 9 /* We aim for 'current allocation' == 'target allocation'. */ 803eb047a28d239 Daniel De Graaf 2011-03-14 10 unsigned long current_pages; 803eb047a28d239 Daniel De Graaf 2011-03-14 11 unsigned long target_pages; 1cf6a6c82918c9a David Vrabel 2015-06-25 12 unsigned long target_unpopulated; 803eb047a28d239 Daniel De Graaf 2011-03-14 13 /* Number of pages in high- and low-memory balloons. */ 803eb047a28d239 Daniel De Graaf 2011-03-14 14 unsigned long balloon_low; 803eb047a28d239 Daniel De Graaf 2011-03-14 15 unsigned long balloon_high; de5a77d8422fc7e David Vrabel 2015-06-25 16 unsigned long total_pages; 803eb047a28d239 Daniel De Graaf 2011-03-14 17 unsigned long schedule_delay; 803eb047a28d239 Daniel De Graaf 2011-03-14 18 unsigned long max_schedule_delay; 803eb047a28d239 Daniel De Graaf 2011-03-14 19 unsigned long retry_count; 803eb047a28d239 Daniel De Graaf 2011-03-14 20 unsigned long max_retry_count; 803eb047a28d239 Daniel De Graaf 2011-03-14 21 }; 803eb047a28d239 Daniel De Graaf 2011-03-14 22 803eb047a28d239 Daniel De Graaf 2011-03-14 23 extern struct balloon_stats balloon_stats; 803eb047a28d239 Daniel De Graaf 2011-03-14 24 803eb047a28d239 Daniel De Graaf 2011-03-14 25 void balloon_set_new_target(unsigned long target); b6f3067985f12d5 Konrad Rzeszutek Wilk 2011-03-15 26 81b286e0f1fe520 David Vrabel 2015-06-25 27 int alloc_xenballooned_pages(int nr_pages, struct page **pages); b6f3067985f12d5 Konrad Rzeszutek Wilk 2011-03-15 28 void free_xenballooned_pages(int nr_pages, struct page **pages); a50777c791031d7 Dan Magenheimer 2011-07-08 29 96edd61dcf44362 Juergen Gross 2017-07-10 30 #ifdef CONFIG_XEN_BALLOON 96edd61dcf44362 Juergen Gross 2017-07-10 31 void xen_balloon_init(void); 96edd61dcf44362 Juergen Gross 2017-07-10 32 #else 96edd61dcf44362 Juergen Gross 2017-07-10 @33 static inline void xen_balloon_init(void) --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
