* Re: [PATCH v4 5/5] perf: Correct perf sampling with guest VMs
[not found] <20240919190750.4163977-6-coltonlewis@google.com>
@ 2024-09-20 6:52 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-09-20 6:52 UTC (permalink / raw)
To: Colton Lewis, kvm
Cc: llvm, oe-kbuild-all, Oliver Upton, Sean Christopherson,
Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo,
Namhyung Kim, Mark Rutland, Alexander Shishkin, Jiri Olsa,
Ian Rogers, Adrian Hunter, Kan Liang, Will Deacon, Russell King,
Catalin Marinas, Michael Ellerman, Nicholas Piggin,
Christophe Leroy, Naveen N Rao, Heiko Carstens, Vasily Gorbik,
Alexander Gordeev, Christian Borntraeger, Sven Schnelle,
Thomas Gleixner, Borislav Petkov, Dave Hansen, x86,
H . Peter Anvin
Hi Colton,
kernel test robot noticed the following build errors:
[auto build test ERROR on da3ea35007d0af457a0afc87e84fddaebc4e0b63]
url: https://github.com/intel-lab-lkp/linux/commits/Colton-Lewis/arm-perf-Drop-unused-functions/20240920-031100
base: da3ea35007d0af457a0afc87e84fddaebc4e0b63
patch link: https://lore.kernel.org/r/20240919190750.4163977-6-coltonlewis%40google.com
patch subject: [PATCH v4 5/5] perf: Correct perf sampling with guest VMs
config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20240920/202409201447.iQ8kNjxo-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 8663a75fa2f31299ab8d1d90288d9df92aadee88)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240920/202409201447.iQ8kNjxo-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202409201447.iQ8kNjxo-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from kernel/events/core.c:12:
In file included from include/linux/mm.h:2232:
include/linux/vmstat.h:503:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
503 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
504 | item];
| ~~~~
include/linux/vmstat.h:510:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
510 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
511 | NR_VM_NUMA_EVENT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~~
include/linux/vmstat.h:517:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
517 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
include/linux/vmstat.h:523:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
523 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
524 | NR_VM_NUMA_EVENT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~~
In file included from kernel/events/core.c:20:
In file included from include/linux/tick.h:8:
In file included from include/linux/clockchips.h:14:
In file included from include/linux/clocksource.h:22:
In file included from arch/s390/include/asm/io.h:93:
include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
548 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
561 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
| ^
include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16'
102 | #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x))
| ^
In file included from kernel/events/core.c:20:
In file included from include/linux/tick.h:8:
In file included from include/linux/clockchips.h:14:
In file included from include/linux/clocksource.h:22:
In file included from arch/s390/include/asm/io.h:93:
include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
574 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
| ^
include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32'
115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x))
| ^
In file included from kernel/events/core.c:20:
In file included from include/linux/tick.h:8:
In file included from include/linux/clockchips.h:14:
In file included from include/linux/clocksource.h:22:
In file included from arch/s390/include/asm/io.h:93:
include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
585 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:693:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
693 | readsb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:701:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
701 | readsw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:709:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
709 | readsl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:718:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
718 | writesb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:727:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
727 | writesw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:736:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
736 | writesl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
>> kernel/events/core.c:6935:9: error: too few arguments to function call, expected 2, have 1
6935 | return perf_arch_misc_flags(regs);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/s390/include/asm/perf_event.h:42:56: note: expanded from macro 'perf_arch_misc_flags'
42 | #define perf_arch_misc_flags(regs) perf_misc_flags(regs)
| ~~~~~~~~~~~~~~~ ^
kernel/events/core.c:6929:15: note: 'perf_misc_flags' declared here
6929 | unsigned long perf_misc_flags(struct perf_event *event,
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~
6930 | struct pt_regs *regs)
| ~~~~~~~~~~~~~~~~~~~~
16 warnings and 1 error generated.
vim +6935 kernel/events/core.c
e01be2b9ba5700 Colton Lewis 2024-09-19 6928
e01be2b9ba5700 Colton Lewis 2024-09-19 6929 unsigned long perf_misc_flags(struct perf_event *event,
e01be2b9ba5700 Colton Lewis 2024-09-19 6930 struct pt_regs *regs)
e01be2b9ba5700 Colton Lewis 2024-09-19 6931 {
e01be2b9ba5700 Colton Lewis 2024-09-19 6932 if (should_sample_guest(event))
e01be2b9ba5700 Colton Lewis 2024-09-19 6933 return perf_arch_guest_misc_flags(regs);
e01be2b9ba5700 Colton Lewis 2024-09-19 6934
ae90a5329c331d Colton Lewis 2024-09-19 @6935 return perf_arch_misc_flags(regs);
ae90a5329c331d Colton Lewis 2024-09-19 6936 }
ae90a5329c331d Colton Lewis 2024-09-19 6937
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] only message in thread