From: kernel test robot <lkp@intel.com>
To: Joe Damato <jdamato@fastly.com>
Cc: oe-kbuild-all@lists.linux.dev
Subject: Re: [RFC -next 07/10] fs: Add sendfile2 which accepts a flags argument
Date: Thu, 20 Mar 2025 03:24:06 +0800 [thread overview]
Message-ID: <202503200334.usJnINks-lkp@intel.com> (raw)
In-Reply-To: <20250319001521.53249-8-jdamato@fastly.com>
Hi Joe,
[This is a private test report for your RFC patch.]
kernel test robot noticed the following build warnings:
[auto build test WARNING on 2e72b1e0aac24a12f3bf3eec620efaca7ab7d4de]
url: https://github.com/intel-lab-lkp/linux/commits/Joe-Damato/splice-Add-ubuf_info-to-prepare-for-ZC/20250319-082153
base: 2e72b1e0aac24a12f3bf3eec620efaca7ab7d4de
patch link: https://lore.kernel.org/r/20250319001521.53249-8-jdamato%40fastly.com
patch subject: [RFC -next 07/10] fs: Add sendfile2 which accepts a flags argument
config: riscv-randconfig-002-20250320 (https://download.01.org/0day-ci/archive/20250320/202503200334.usJnINks-lkp@intel.com/config)
compiler: riscv32-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250320/202503200334.usJnINks-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/202503200334.usJnINks-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from include/linux/compat.h:34,
from arch/riscv/include/asm/elf.h:12,
from include/linux/elf.h:6,
from include/linux/module.h:19,
from include/linux/bpf.h:20,
from include/linux/security.h:35,
from fs/read_write.c:15:
arch/riscv/include/asm/syscall_wrapper.h:35:14: warning: '__se_sys_lseek' alias between functions of incompatible types 'long int(ulong, ulong, ulong, ulong, ulong, ulong, ulong)' {aka 'long int(long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int)'} and 'long int(long int, long int, long int)' [-Wattribute-alias]
static long __se_##prefix##name(ulong, ulong, ulong, ulong, ulong, ulong, \
^~~~~
arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx'
__SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \
^~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:226:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
fs/read_write.c:403:1: note: in expansion of macro 'SYSCALL_DEFINE3'
SYSCALL_DEFINE3(lseek, unsigned int, fd, off_t, offset, unsigned int, whence)
^~~~~~~~~~~~~~~
arch/riscv/include/asm/syscall_wrapper.h:41:14: note: aliased declaration here
static long ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__))
^~~~~~
arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx'
__SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \
^~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:226:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
fs/read_write.c:403:1: note: in expansion of macro 'SYSCALL_DEFINE3'
SYSCALL_DEFINE3(lseek, unsigned int, fd, off_t, offset, unsigned int, whence)
^~~~~~~~~~~~~~~
arch/riscv/include/asm/syscall_wrapper.h:35:14: warning: '__se_sys_copy_file_range' alias between functions of incompatible types 'long int(ulong, ulong, ulong, ulong, ulong, ulong, ulong)' {aka 'long int(long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int)'} and 'long int(long int, long int, long int, long int, long int, long int)' [-Wattribute-alias]
static long __se_##prefix##name(ulong, ulong, ulong, ulong, ulong, ulong, \
^~~~~
arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx'
__SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \
^~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:229:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
fs/read_write.c:1654:1: note: in expansion of macro 'SYSCALL_DEFINE6'
SYSCALL_DEFINE6(copy_file_range, int, fd_in, loff_t __user *, off_in,
^~~~~~~~~~~~~~~
arch/riscv/include/asm/syscall_wrapper.h:41:14: note: aliased declaration here
static long ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__))
^~~~~~
arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx'
__SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \
^~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:229:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
fs/read_write.c:1654:1: note: in expansion of macro 'SYSCALL_DEFINE6'
SYSCALL_DEFINE6(copy_file_range, int, fd_in, loff_t __user *, off_in,
^~~~~~~~~~~~~~~
>> arch/riscv/include/asm/syscall_wrapper.h:35:14: warning: '__se_sys_sendfile2' alias between functions of incompatible types 'long int(ulong, ulong, ulong, ulong, ulong, ulong, ulong)' {aka 'long int(long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int)'} and 'long int(long int, long int, long int, long int, long int)' [-Wattribute-alias]
static long __se_##prefix##name(ulong, ulong, ulong, ulong, ulong, ulong, \
^~~~~
arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx'
__SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \
^~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:228:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
fs/read_write.c:1427:1: note: in expansion of macro 'SYSCALL_DEFINE5'
SYSCALL_DEFINE5(sendfile2, int, out_fd, int, in_fd, loff_t __user *, offset, size_t, count, int, flags)
^~~~~~~~~~~~~~~
arch/riscv/include/asm/syscall_wrapper.h:41:14: note: aliased declaration here
static long ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__))
^~~~~~
arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx'
__SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \
^~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:228:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
fs/read_write.c:1427:1: note: in expansion of macro 'SYSCALL_DEFINE5'
SYSCALL_DEFINE5(sendfile2, int, out_fd, int, in_fd, loff_t __user *, offset, size_t, count, int, flags)
^~~~~~~~~~~~~~~
arch/riscv/include/asm/syscall_wrapper.h:35:14: warning: '__se_sys_sendfile64' alias between functions of incompatible types 'long int(ulong, ulong, ulong, ulong, ulong, ulong, ulong)' {aka 'long int(long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int)'} and 'long int(long int, long int, long int, long int)' [-Wattribute-alias]
static long __se_##prefix##name(ulong, ulong, ulong, ulong, ulong, ulong, \
^~~~~
arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx'
__SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \
^~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:227:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
fs/read_write.c:1410:1: note: in expansion of macro 'SYSCALL_DEFINE4'
SYSCALL_DEFINE4(sendfile64, int, out_fd, int, in_fd, loff_t __user *, offset, size_t, count)
^~~~~~~~~~~~~~~
arch/riscv/include/asm/syscall_wrapper.h:41:14: note: aliased declaration here
static long ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__))
^~~~~~
arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx'
__SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \
^~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:227:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
fs/read_write.c:1410:1: note: in expansion of macro 'SYSCALL_DEFINE4'
SYSCALL_DEFINE4(sendfile64, int, out_fd, int, in_fd, loff_t __user *, offset, size_t, count)
^~~~~~~~~~~~~~~
arch/riscv/include/asm/syscall_wrapper.h:35:14: warning: '__se_sys_sendfile' alias between functions of incompatible types 'long int(ulong, ulong, ulong, ulong, ulong, ulong, ulong)' {aka 'long int(long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int)'} and 'long int(long int, long int, long int, long int)' [-Wattribute-alias]
static long __se_##prefix##name(ulong, ulong, ulong, ulong, ulong, ulong, \
^~~~~
arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx'
__SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \
^~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:227:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
fs/read_write.c:1391:1: note: in expansion of macro 'SYSCALL_DEFINE4'
SYSCALL_DEFINE4(sendfile, int, out_fd, int, in_fd, off_t __user *, offset, size_t, count)
^~~~~~~~~~~~~~~
arch/riscv/include/asm/syscall_wrapper.h:41:14: note: aliased declaration here
static long ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__))
^~~~~~
arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx'
__SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \
^~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:227:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
fs/read_write.c:1391:1: note: in expansion of macro 'SYSCALL_DEFINE4'
SYSCALL_DEFINE4(sendfile, int, out_fd, int, in_fd, off_t __user *, offset, size_t, count)
^~~~~~~~~~~~~~~
arch/riscv/include/asm/syscall_wrapper.h:35:14: warning: '__se_sys_pwritev2' alias between functions of incompatible types 'long int(ulong, ulong, ulong, ulong, ulong, ulong, ulong)' {aka 'long int(long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int)'} and 'long int(long int, long int, long int, long int, long int, long int)' [-Wattribute-alias]
static long __se_##prefix##name(ulong, ulong, ulong, ulong, ulong, ulong, \
^~~~~
arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx'
__SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \
^~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:229:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
vim +35 arch/riscv/include/asm/syscall_wrapper.h
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 16
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 17 #define __SYSCALL_SE_DEFINEx(x, prefix, name, ...) \
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 18 static long __se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 19 static long __se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__))
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 20
08d0ce30e0e4fc Sami Tolvanen 2023-07-10 21 #define SC_RISCV_REGS_TO_ARGS(x, ...) \
08d0ce30e0e4fc Sami Tolvanen 2023-07-10 22 __MAP(x,__SC_ARGS \
08d0ce30e0e4fc Sami Tolvanen 2023-07-10 23 ,,regs->orig_a0,,regs->a1,,regs->a2 \
08d0ce30e0e4fc Sami Tolvanen 2023-07-10 24 ,,regs->a3,,regs->a4,,regs->a5,,regs->a6)
08d0ce30e0e4fc Sami Tolvanen 2023-07-10 25
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 26 #else
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 27 /*
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 28 * Use type aliasing to ensure registers a0-a6 are correctly passed to the syscall
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 29 * implementation when >word-size arguments are used.
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 30 */
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 31 #define __SYSCALL_SE_DEFINEx(x, prefix, name, ...) \
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 32 __diag_push(); \
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 33 __diag_ignore(GCC, 8, "-Wattribute-alias", \
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 34 "Type aliasing is used to sanitize syscall arguments"); \
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 @35 static long __se_##prefix##name(ulong, ulong, ulong, ulong, ulong, ulong, \
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 36 ulong) \
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 37 __attribute__((alias(__stringify(___se_##prefix##name)))); \
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 38 __diag_pop(); \
653650c468be21 Sami Tolvanen 2024-03-26 39 static long noinline ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
653650c468be21 Sami Tolvanen 2024-03-26 40 __used; \
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 41 static long ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__))
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 42
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next prev parent reply other threads:[~2025-03-19 19:25 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-19 0:15 [RFC -next 00/10] Add ZC notifications to splice and sendfile Joe Damato
2025-03-19 0:15 ` [RFC -next 01/10] splice: Add ubuf_info to prepare for ZC Joe Damato
2025-03-19 0:15 ` [RFC -next 02/10] splice: Add helper that passes through splice_desc Joe Damato
2025-03-19 0:15 ` [RFC -next 03/10] splice: Factor splice_socket into a helper Joe Damato
2025-03-19 0:15 ` [RFC -next 04/10] splice: Add SPLICE_F_ZC and attach ubuf Joe Damato
2025-03-19 20:07 ` kernel test robot
2025-03-19 20:29 ` kernel test robot
2025-03-19 0:15 ` [RFC -next 05/10] fs: Add splice_write_sd to file operations Joe Damato
2025-03-19 0:15 ` [RFC -next 06/10] fs: Extend do_sendfile to take a flags argument Joe Damato
2025-03-19 0:15 ` [RFC -next 07/10] fs: Add sendfile2 which accepts " Joe Damato
2025-03-19 19:24 ` kernel test robot [this message]
2025-03-19 0:15 ` [RFC -next 08/10] fs: Add sendfile flags for sendfile2 Joe Damato
2025-03-19 0:15 ` [RFC -next 09/10] fs: Add sendfile2 syscall Joe Damato
2025-03-19 0:15 ` [RFC -next 10/10] selftests: Add sendfile zerocopy notification test Joe Damato
2025-03-19 8:04 ` [RFC -next 00/10] Add ZC notifications to splice and sendfile Christoph Hellwig
2025-03-19 15:32 ` Joe Damato
2025-03-19 16:07 ` Jens Axboe
2025-03-19 17:04 ` Joe Damato
2025-03-19 17:20 ` Jens Axboe
2025-03-19 17:45 ` Joe Damato
2025-03-19 18:37 ` Jens Axboe
2025-03-19 19:15 ` Stefan Metzmacher
2025-03-20 10:46 ` Pavel Begunkov
2025-03-21 7:55 ` Stefan Metzmacher
2025-03-21 20:51 ` Pavel Begunkov
2025-03-19 19:16 ` Joe Damato
2025-03-21 11:11 ` Jens Axboe
2025-03-20 5:57 ` Christoph Hellwig
2025-03-20 18:23 ` Joe Damato
2025-03-21 5:56 ` Christoph Hellwig
2025-03-21 11:14 ` Jens Axboe
2025-03-21 16:36 ` Joe Damato
2025-03-21 20:30 ` Joe Damato
2025-03-21 20:33 ` Jens Axboe
2025-03-21 21:28 ` Joe Damato
2025-03-21 20:35 ` Jens Axboe
2025-03-21 16:44 ` Joe Damato
2025-03-19 23:22 ` Joe Damato
2025-03-21 11:13 ` Jens Axboe
2025-03-20 5:50 ` Christoph Hellwig
2025-03-20 18:05 ` Joe Damato
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