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Date: Wed, 24 Aug 2022 06:31:31 +0800
From: kernel test robot <lkp@...el.com>
To: Peter Zijlstra <peterz@...radead.org>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
linux-kernel@...r.kernel.org
Subject: [peterz-queue:perf/wip.rewrite 1/6]
arch/s390/kernel/perf_pai_crypto.c:438:18: error: incompatible function
pointer types initializing 'void (*)(struct perf_event_pmu_context *, bool)'
(aka 'void (*)(struct perf_event_pmu_context *, _Bool)') with an expression
of type 'void (struct perf_eve...
tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git perf/wip.rewrite
head: 9fdadc761cf0e02e39e42d39c6d0f4a64c05ce8b
commit: d3f415f72634827910cebbcc645c828c78725fa0 [1/6] perf: Rewrite core context handling
config: s390-randconfig-r014-20220823 (https://download.01.org/0day-ci/archive/20220824/202208240632.w30XSBZs-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project b04d01c009d7f66bcca9138d2ce40999eedf104d)
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 s390 cross compiling tool for clang build
# apt-get install binutils-s390x-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=d3f415f72634827910cebbcc645c828c78725fa0
git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
git fetch --no-tags peterz-queue perf/wip.rewrite
git checkout d3f415f72634827910cebbcc645c828c78725fa0
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash arch/s390/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
In file included from arch/s390/kernel/perf_pai_crypto.c:17:
In file included from include/linux/io.h:13:
In file included from arch/s390/include/asm/io.h:75:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __raw_readb(PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
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'
#define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
^
include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16'
#define __swab16(x) (__u16)__builtin_bswap16((__u16)(x))
^
In file included from arch/s390/kernel/perf_pai_crypto.c:17:
In file included from include/linux/io.h:13:
In file included from arch/s390/include/asm/io.h:75:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
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'
#define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
^
include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32'
#define __swab32(x) (__u32)__builtin_bswap32((__u32)(x))
^
In file included from arch/s390/kernel/perf_pai_crypto.c:17:
In file included from include/linux/io.h:13:
In file included from arch/s390/include/asm/io.h:75:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writeb(value, PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:692:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
readsb(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:700:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
readsw(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:708:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
readsl(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:717:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
writesb(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:726:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
writesw(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:735:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
writesl(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
>> arch/s390/kernel/perf_pai_crypto.c:438:18: error: incompatible function pointer types initializing 'void (*)(struct perf_event_pmu_context *, bool)' (aka 'void (*)(struct perf_event_pmu_context *, _Bool)') with an expression of type 'void (struct perf_event_context *, bool)' (aka 'void (struct perf_event_context *, _Bool)') [-Wincompatible-function-pointer-types]
.sched_task = paicrypt_sched_task,
^~~~~~~~~~~~~~~~~~~
12 warnings and 1 error generated.
vim +438 arch/s390/kernel/perf_pai_crypto.c
39d62336f5c126 Thomas Richter 2022-05-04 428
39d62336f5c126 Thomas Richter 2022-05-04 429 /* Performance monitoring unit for mapped counters */
39d62336f5c126 Thomas Richter 2022-05-04 430 static struct pmu paicrypt = {
39d62336f5c126 Thomas Richter 2022-05-04 431 .task_ctx_nr = perf_invalid_context,
39d62336f5c126 Thomas Richter 2022-05-04 432 .event_init = paicrypt_event_init,
39d62336f5c126 Thomas Richter 2022-05-04 433 .add = paicrypt_add,
39d62336f5c126 Thomas Richter 2022-05-04 434 .del = paicrypt_del,
39d62336f5c126 Thomas Richter 2022-05-04 435 .start = paicrypt_start,
39d62336f5c126 Thomas Richter 2022-05-04 436 .stop = paicrypt_stop,
39d62336f5c126 Thomas Richter 2022-05-04 437 .read = paicrypt_read,
39d62336f5c126 Thomas Richter 2022-05-04 @438 .sched_task = paicrypt_sched_task,
39d62336f5c126 Thomas Richter 2022-05-04 439 .attr_groups = paicrypt_attr_groups
39d62336f5c126 Thomas Richter 2022-05-04 440 };
39d62336f5c126 Thomas Richter 2022-05-04 441
:::::: The code at line 438 was first introduced by commit
:::::: 39d62336f5c126ad6dccdf66cd249f2d0e86d3c9 s390/pai: add support for cryptography counters
:::::: TO: Thomas Richter <tmricht@...ux.ibm.com>
:::::: CC: Heiko Carstens <hca@...ux.ibm.com>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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