Hi Kim,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git perf/core
head: 0b8f94ea282357a79781d10024708c2cf0ff5305
commit: 10684f2b277c733c018c5d07ddb4aa980ba4fcc5 [7/8] perf/amd/uncore: Allow the driver to be built as a module
config: i386-tinyconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=10684f2b277c733c018c5d07ddb4aa980ba4fcc5
git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
git fetch --no-tags peterz-queue perf/core
git checkout 10684f2b277c733c018c5d07ddb4aa980ba4fcc5
# save the attached .config to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash arch/x86/events/amd/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>
All errors (new ones prefixed by >>):
>> arch/x86/events/amd/ibs.c:829:5: error: redefinition of 'get_ibs_caps'
829 | u32 get_ibs_caps(void)
| ^~~~~~~~~~~~
In file included from include/linux/perf_event.h:25,
from arch/x86/events/amd/ibs.c:9:
arch/x86/include/asm/perf_event.h:426:19: note: previous definition of 'get_ibs_caps' was here
426 | static inline u32 get_ibs_caps(void) { return 0; }
| ^~~~~~~~~~~~
arch/x86/events/amd/ibs.c: In function 'get_eilvt':
>> arch/x86/events/amd/ibs.c:838:10: error: implicit declaration of function 'setup_APIC_eilvt' [-Werror=implicit-function-declaration]
838 | return !setup_APIC_eilvt(offset, 0, APIC_EILVT_MSG_NMI, 1);
| ^~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +/get_ibs_caps +829 arch/x86/events/amd/ibs.c
b716916679e720 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-09-21 828
b716916679e720 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-09-21 @829 u32 get_ibs_caps(void)
b716916679e720 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-09-21 830 {
b716916679e720 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-09-21 831 return ibs_caps;
b716916679e720 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-09-21 832 }
b716916679e720 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-09-21 833
b716916679e720 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-09-21 834 EXPORT_SYMBOL(get_ibs_caps);
b716916679e720 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-09-21 835
b716916679e720 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-09-21 836 static inline int get_eilvt(int offset)
b716916679e720 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-09-21 837 {
b716916679e720 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-09-21 @838 return !setup_APIC_eilvt(offset, 0, APIC_EILVT_MSG_NMI, 1);
b716916679e720 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-09-21 839 }
b716916679e720 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-09-21 840
:::::: The code at line 829 was first introduced by commit
:::::: b716916679e72054d436afadce2f94dcad71cfad perf, x86: Implement IBS initialization
:::::: TO: Robert Richter <[email protected]>
:::::: CC: Ingo Molnar <[email protected]>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/[email protected]
Commit 6c3f8af52cfc ("perf/amd/uncore: Allow the driver to be
built as a module") accidentally contained some unwanted ibs.o
Makefile dependency changes. Undo them, and leave just the
uncore.o changes needed by the commit.
Fixes: 6c3f8af52cfc ("perf/amd/uncore: Allow the driver to be built as a module")
Reported-by: kernel test robot <[email protected]>
Signed-off-by: Kim Phillips <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: [email protected]
Cc: [email protected]
---
arch/x86/events/amd/Makefile | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/x86/events/amd/Makefile b/arch/x86/events/amd/Makefile
index ec45a12deb8b..6cbe38d5fd9d 100644
--- a/arch/x86/events/amd/Makefile
+++ b/arch/x86/events/amd/Makefile
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
-obj-$(CONFIG_CPU_SUP_AMD) += core.o ibs.o
+obj-$(CONFIG_CPU_SUP_AMD) += core.o
obj-$(CONFIG_PERF_EVENTS_AMD_POWER) += power.o
+obj-$(CONFIG_X86_LOCAL_APIC) += ibs.o
obj-$(CONFIG_PERF_EVENTS_AMD_UNCORE) += amd-uncore.o
amd-uncore-objs := uncore.o
ifdef CONFIG_AMD_IOMMU
--
2.31.1