From: kernel test robot <lkp@intel.com>
To: Miklos Szeredi <mszeredi@redhat.com>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev
Subject: Re: [RFC PATCH 2/3] add statmnt(2) syscall
Date: Thu, 14 Sep 2023 05:32:16 +0800 [thread overview]
Message-ID: <202309140525.CcMyfaEf-lkp@intel.com> (raw)
In-Reply-To: <20230913152238.905247-3-mszeredi@redhat.com>
Hi Miklos,
[This is a private test report for your RFC patch.]
kernel test robot noticed the following build warnings:
[auto build test WARNING on tip/x86/asm]
[also build test WARNING on linux/master linus/master v6.6-rc1 next-20230913]
[cannot apply to arnd-asm-generic/master]
[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#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Miklos-Szeredi/add-unique-mount-ID/20230913-232732
base: tip/x86/asm
patch link: https://lore.kernel.org/r/20230913152238.905247-3-mszeredi%40redhat.com
patch subject: [RFC PATCH 2/3] add statmnt(2) syscall
config: um-allnoconfig (https://download.01.org/0day-ci/archive/20230914/202309140525.CcMyfaEf-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230914/202309140525.CcMyfaEf-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/202309140525.CcMyfaEf-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from fs/open.c:14:
In file included from include/linux/tty.h:12:
In file included from include/linux/tty_port.h:5:
In file included from include/linux/kfifo.h:42:
In file included from include/linux/scatterlist.h:9:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
547 | 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]
560 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from fs/open.c:14:
In file included from include/linux/tty.h:12:
In file included from include/linux/tty_port.h:5:
In file included from include/linux/kfifo.h:42:
In file included from include/linux/scatterlist.h:9:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
573 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from fs/open.c:14:
In file included from include/linux/tty.h:12:
In file included from include/linux/tty_port.h:5:
In file included from include/linux/kfifo.h:42:
In file included from include/linux/scatterlist.h:9:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
584 | __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]
594 | __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]
604 | __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]
692 | 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]
700 | 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]
708 | 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]
717 | 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]
726 | 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]
735 | writesl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
In file included from fs/open.c:27:
>> include/linux/syscalls.h:412:15: warning: declaration of 'struct statmnt' will not be visible outside of this function [-Wvisibility]
412 | struct statmnt __user *buf, size_t bufsize,
| ^
13 warnings generated.
--
In file included from fs/select.c:22:
In file included from include/linux/syscalls.h:90:
In file included from include/trace/syscall.h:7:
In file included from include/linux/trace_events.h:9:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
547 | 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]
560 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from fs/select.c:22:
In file included from include/linux/syscalls.h:90:
In file included from include/trace/syscall.h:7:
In file included from include/linux/trace_events.h:9:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
573 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from fs/select.c:22:
In file included from include/linux/syscalls.h:90:
In file included from include/trace/syscall.h:7:
In file included from include/linux/trace_events.h:9:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
584 | __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]
594 | __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]
604 | __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]
692 | 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]
700 | 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]
708 | 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]
717 | 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]
726 | 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]
735 | writesl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
In file included from fs/select.c:22:
>> include/linux/syscalls.h:412:15: warning: declaration of 'struct statmnt' will not be visible outside of this function [-Wvisibility]
412 | struct statmnt __user *buf, size_t bufsize,
| ^
fs/select.c:625:5: warning: stack frame size (1160) exceeds limit (1024) in 'core_sys_select' [-Wframe-larger-than]
625 | int core_sys_select(int n, fd_set __user *inp, fd_set __user *outp,
| ^
14 warnings generated.
--
In file included from fs/namespace.c:11:
In file included from include/linux/syscalls.h:90:
In file included from include/trace/syscall.h:7:
In file included from include/linux/trace_events.h:9:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
547 | 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]
560 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from fs/namespace.c:11:
In file included from include/linux/syscalls.h:90:
In file included from include/trace/syscall.h:7:
In file included from include/linux/trace_events.h:9:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
573 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from fs/namespace.c:11:
In file included from include/linux/syscalls.h:90:
In file included from include/trace/syscall.h:7:
In file included from include/linux/trace_events.h:9:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
584 | __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]
594 | __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]
604 | __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]
692 | 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]
700 | 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]
708 | 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]
717 | 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]
726 | 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]
735 | writesl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
In file included from fs/namespace.c:11:
>> include/linux/syscalls.h:412:15: warning: declaration of 'struct statmnt' will not be visible outside of this function [-Wvisibility]
412 | struct statmnt __user *buf, size_t bufsize,
| ^
>> fs/namespace.c:4690:18: warning: no previous prototype for function 'lookup_mnt_in_ns' [-Wmissing-prototypes]
4690 | struct vfsmount *lookup_mnt_in_ns(u64 id, struct mnt_namespace *ns)
| ^
fs/namespace.c:4690:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
4690 | struct vfsmount *lookup_mnt_in_ns(u64 id, struct mnt_namespace *ns)
| ^
| static
fs/namespace.c:4750:10: error: unknown type name 'stmt_str_t'
4750 | stmt_str_t *str)
| ^
fs/namespace.c:4960:1: error: conflicting types for 'sys_statmnt'
4960 | SYSCALL_DEFINE5(statmnt, u64, mnt_id,
| ^
include/linux/syscalls.h:223:36: note: expanded from macro 'SYSCALL_DEFINE5'
223 | #define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__)
| ^
include/linux/syscalls.h:230:2: note: expanded from macro 'SYSCALL_DEFINEx'
230 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
| ^
include/linux/syscalls.h:244:18: note: expanded from macro '__SYSCALL_DEFINEx'
244 | asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
| ^
<scratch space>:99:1: note: expanded from here
99 | sys_statmnt
| ^
include/linux/syscalls.h:411:17: note: previous declaration is here
411 | asmlinkage long sys_statmnt(u64 mnt_id, u64 mask,
| ^
14 warnings and 2 errors generated.
--
In file included from kernel/sched/core.c:9:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
547 | 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]
560 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from kernel/sched/core.c:9:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
573 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from kernel/sched/core.c:9:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
584 | __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]
594 | __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]
604 | __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]
692 | 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]
700 | 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]
708 | 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]
717 | 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]
726 | 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]
735 | writesl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
In file included from kernel/sched/core.c:13:
In file included from include/linux/syscalls_api.h:1:
>> include/linux/syscalls.h:412:15: warning: declaration of 'struct statmnt' will not be visible outside of this function [-Wvisibility]
412 | struct statmnt __user *buf, size_t bufsize,
| ^
kernel/sched/core.c:3706:20: warning: unused function 'rq_has_pinned_tasks' [-Wunused-function]
3706 | static inline bool rq_has_pinned_tasks(struct rq *rq)
| ^
kernel/sched/core.c:5812:20: warning: unused function 'sched_tick_start' [-Wunused-function]
5812 | static inline void sched_tick_start(int cpu) { }
| ^
kernel/sched/core.c:5813:20: warning: unused function 'sched_tick_stop' [-Wunused-function]
5813 | static inline void sched_tick_stop(int cpu) { }
| ^
kernel/sched/core.c:6507:20: warning: unused function 'sched_core_cpu_starting' [-Wunused-function]
6507 | static inline void sched_core_cpu_starting(unsigned int cpu) {}
| ^
kernel/sched/core.c:6508:20: warning: unused function 'sched_core_cpu_deactivate' [-Wunused-function]
6508 | static inline void sched_core_cpu_deactivate(unsigned int cpu) {}
| ^
kernel/sched/core.c:6509:20: warning: unused function 'sched_core_cpu_dying' [-Wunused-function]
6509 | static inline void sched_core_cpu_dying(unsigned int cpu) {}
| ^
19 warnings generated.
..
vim +412 include/linux/syscalls.h
285
286 /*
287 * These syscall function prototypes are kept in the same order as
288 * include/uapi/asm-generic/unistd.h. Architecture specific entries go below,
289 * followed by deprecated or obsolete system calls.
290 *
291 * Please note that these prototypes here are only provided for information
292 * purposes, for static analysis, and for linking from the syscall table.
293 * These functions should not be called elsewhere from kernel code.
294 *
295 * As the syscall calling convention may be different from the default
296 * for architectures overriding the syscall calling convention, do not
297 * include the prototypes if CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled.
298 */
299 #ifndef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
300 asmlinkage long sys_io_setup(unsigned nr_reqs, aio_context_t __user *ctx);
301 asmlinkage long sys_io_destroy(aio_context_t ctx);
302 asmlinkage long sys_io_submit(aio_context_t, long,
303 struct iocb __user * __user *);
304 asmlinkage long sys_io_cancel(aio_context_t ctx_id, struct iocb __user *iocb,
305 struct io_event __user *result);
306 asmlinkage long sys_io_getevents(aio_context_t ctx_id,
307 long min_nr,
308 long nr,
309 struct io_event __user *events,
310 struct __kernel_timespec __user *timeout);
311 asmlinkage long sys_io_getevents_time32(__u32 ctx_id,
312 __s32 min_nr,
313 __s32 nr,
314 struct io_event __user *events,
315 struct old_timespec32 __user *timeout);
316 asmlinkage long sys_io_pgetevents(aio_context_t ctx_id,
317 long min_nr,
318 long nr,
319 struct io_event __user *events,
320 struct __kernel_timespec __user *timeout,
321 const struct __aio_sigset *sig);
322 asmlinkage long sys_io_pgetevents_time32(aio_context_t ctx_id,
323 long min_nr,
324 long nr,
325 struct io_event __user *events,
326 struct old_timespec32 __user *timeout,
327 const struct __aio_sigset *sig);
328 asmlinkage long sys_io_uring_setup(u32 entries,
329 struct io_uring_params __user *p);
330 asmlinkage long sys_io_uring_enter(unsigned int fd, u32 to_submit,
331 u32 min_complete, u32 flags,
332 const void __user *argp, size_t argsz);
333 asmlinkage long sys_io_uring_register(unsigned int fd, unsigned int op,
334 void __user *arg, unsigned int nr_args);
335 asmlinkage long sys_setxattr(const char __user *path, const char __user *name,
336 const void __user *value, size_t size, int flags);
337 asmlinkage long sys_lsetxattr(const char __user *path, const char __user *name,
338 const void __user *value, size_t size, int flags);
339 asmlinkage long sys_fsetxattr(int fd, const char __user *name,
340 const void __user *value, size_t size, int flags);
341 asmlinkage long sys_getxattr(const char __user *path, const char __user *name,
342 void __user *value, size_t size);
343 asmlinkage long sys_lgetxattr(const char __user *path, const char __user *name,
344 void __user *value, size_t size);
345 asmlinkage long sys_fgetxattr(int fd, const char __user *name,
346 void __user *value, size_t size);
347 asmlinkage long sys_listxattr(const char __user *path, char __user *list,
348 size_t size);
349 asmlinkage long sys_llistxattr(const char __user *path, char __user *list,
350 size_t size);
351 asmlinkage long sys_flistxattr(int fd, char __user *list, size_t size);
352 asmlinkage long sys_removexattr(const char __user *path,
353 const char __user *name);
354 asmlinkage long sys_lremovexattr(const char __user *path,
355 const char __user *name);
356 asmlinkage long sys_fremovexattr(int fd, const char __user *name);
357 asmlinkage long sys_getcwd(char __user *buf, unsigned long size);
358 asmlinkage long sys_lookup_dcookie(u64 cookie64, char __user *buf, size_t len);
359 asmlinkage long sys_eventfd2(unsigned int count, int flags);
360 asmlinkage long sys_epoll_create1(int flags);
361 asmlinkage long sys_epoll_ctl(int epfd, int op, int fd,
362 struct epoll_event __user *event);
363 asmlinkage long sys_epoll_pwait(int epfd, struct epoll_event __user *events,
364 int maxevents, int timeout,
365 const sigset_t __user *sigmask,
366 size_t sigsetsize);
367 asmlinkage long sys_epoll_pwait2(int epfd, struct epoll_event __user *events,
368 int maxevents,
369 const struct __kernel_timespec __user *timeout,
370 const sigset_t __user *sigmask,
371 size_t sigsetsize);
372 asmlinkage long sys_dup(unsigned int fildes);
373 asmlinkage long sys_dup3(unsigned int oldfd, unsigned int newfd, int flags);
374 asmlinkage long sys_fcntl(unsigned int fd, unsigned int cmd, unsigned long arg);
375 #if BITS_PER_LONG == 32
376 asmlinkage long sys_fcntl64(unsigned int fd,
377 unsigned int cmd, unsigned long arg);
378 #endif
379 asmlinkage long sys_inotify_init1(int flags);
380 asmlinkage long sys_inotify_add_watch(int fd, const char __user *path,
381 u32 mask);
382 asmlinkage long sys_inotify_rm_watch(int fd, __s32 wd);
383 asmlinkage long sys_ioctl(unsigned int fd, unsigned int cmd,
384 unsigned long arg);
385 asmlinkage long sys_ioprio_set(int which, int who, int ioprio);
386 asmlinkage long sys_ioprio_get(int which, int who);
387 asmlinkage long sys_flock(unsigned int fd, unsigned int cmd);
388 asmlinkage long sys_mknodat(int dfd, const char __user * filename, umode_t mode,
389 unsigned dev);
390 asmlinkage long sys_mkdirat(int dfd, const char __user * pathname, umode_t mode);
391 asmlinkage long sys_unlinkat(int dfd, const char __user * pathname, int flag);
392 asmlinkage long sys_symlinkat(const char __user * oldname,
393 int newdfd, const char __user * newname);
394 asmlinkage long sys_linkat(int olddfd, const char __user *oldname,
395 int newdfd, const char __user *newname, int flags);
396 asmlinkage long sys_renameat(int olddfd, const char __user * oldname,
397 int newdfd, const char __user * newname);
398 asmlinkage long sys_umount(char __user *name, int flags);
399 asmlinkage long sys_mount(char __user *dev_name, char __user *dir_name,
400 char __user *type, unsigned long flags,
401 void __user *data);
402 asmlinkage long sys_pivot_root(const char __user *new_root,
403 const char __user *put_old);
404 asmlinkage long sys_statfs(const char __user * path,
405 struct statfs __user *buf);
406 asmlinkage long sys_statfs64(const char __user *path, size_t sz,
407 struct statfs64 __user *buf);
408 asmlinkage long sys_fstatfs(unsigned int fd, struct statfs __user *buf);
409 asmlinkage long sys_fstatfs64(unsigned int fd, size_t sz,
410 struct statfs64 __user *buf);
411 asmlinkage long sys_statmnt(u64 mnt_id, u64 mask,
> 412 struct statmnt __user *buf, size_t bufsize,
413 unsigned int flags);
414 asmlinkage long sys_truncate(const char __user *path, long length);
415 asmlinkage long sys_ftruncate(unsigned int fd, unsigned long length);
416 #if BITS_PER_LONG == 32
417 asmlinkage long sys_truncate64(const char __user *path, loff_t length);
418 asmlinkage long sys_ftruncate64(unsigned int fd, loff_t length);
419 #endif
420 asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len);
421 asmlinkage long sys_faccessat(int dfd, const char __user *filename, int mode);
422 asmlinkage long sys_faccessat2(int dfd, const char __user *filename, int mode,
423 int flags);
424 asmlinkage long sys_chdir(const char __user *filename);
425 asmlinkage long sys_fchdir(unsigned int fd);
426 asmlinkage long sys_chroot(const char __user *filename);
427 asmlinkage long sys_fchmod(unsigned int fd, umode_t mode);
428 asmlinkage long sys_fchmodat(int dfd, const char __user *filename,
429 umode_t mode);
430 asmlinkage long sys_fchmodat2(int dfd, const char __user *filename,
431 umode_t mode, unsigned int flags);
432 asmlinkage long sys_fchownat(int dfd, const char __user *filename, uid_t user,
433 gid_t group, int flag);
434 asmlinkage long sys_fchown(unsigned int fd, uid_t user, gid_t group);
435 asmlinkage long sys_openat(int dfd, const char __user *filename, int flags,
436 umode_t mode);
437 asmlinkage long sys_openat2(int dfd, const char __user *filename,
438 struct open_how *how, size_t size);
439 asmlinkage long sys_close(unsigned int fd);
440 asmlinkage long sys_close_range(unsigned int fd, unsigned int max_fd,
441 unsigned int flags);
442 asmlinkage long sys_vhangup(void);
443 asmlinkage long sys_pipe2(int __user *fildes, int flags);
444 asmlinkage long sys_quotactl(unsigned int cmd, const char __user *special,
445 qid_t id, void __user *addr);
446 asmlinkage long sys_quotactl_fd(unsigned int fd, unsigned int cmd, qid_t id,
447 void __user *addr);
448 asmlinkage long sys_getdents64(unsigned int fd,
449 struct linux_dirent64 __user *dirent,
450 unsigned int count);
451 asmlinkage long sys_llseek(unsigned int fd, unsigned long offset_high,
452 unsigned long offset_low, loff_t __user *result,
453 unsigned int whence);
454 asmlinkage long sys_lseek(unsigned int fd, off_t offset,
455 unsigned int whence);
456 asmlinkage long sys_read(unsigned int fd, char __user *buf, size_t count);
457 asmlinkage long sys_write(unsigned int fd, const char __user *buf,
458 size_t count);
459 asmlinkage long sys_readv(unsigned long fd,
460 const struct iovec __user *vec,
461 unsigned long vlen);
462 asmlinkage long sys_writev(unsigned long fd,
463 const struct iovec __user *vec,
464 unsigned long vlen);
465 asmlinkage long sys_pread64(unsigned int fd, char __user *buf,
466 size_t count, loff_t pos);
467 asmlinkage long sys_pwrite64(unsigned int fd, const char __user *buf,
468 size_t count, loff_t pos);
469 asmlinkage long sys_preadv(unsigned long fd, const struct iovec __user *vec,
470 unsigned long vlen, unsigned long pos_l, unsigned long pos_h);
471 asmlinkage long sys_pwritev(unsigned long fd, const struct iovec __user *vec,
472 unsigned long vlen, unsigned long pos_l, unsigned long pos_h);
473 asmlinkage long sys_sendfile64(int out_fd, int in_fd,
474 loff_t __user *offset, size_t count);
475 asmlinkage long sys_pselect6(int, fd_set __user *, fd_set __user *,
476 fd_set __user *, struct __kernel_timespec __user *,
477 void __user *);
478 asmlinkage long sys_pselect6_time32(int, fd_set __user *, fd_set __user *,
479 fd_set __user *, struct old_timespec32 __user *,
480 void __user *);
481 asmlinkage long sys_ppoll(struct pollfd __user *, unsigned int,
482 struct __kernel_timespec __user *, const sigset_t __user *,
483 size_t);
484 asmlinkage long sys_ppoll_time32(struct pollfd __user *, unsigned int,
485 struct old_timespec32 __user *, const sigset_t __user *,
486 size_t);
487 asmlinkage long sys_signalfd4(int ufd, sigset_t __user *user_mask, size_t sizemask, int flags);
488 asmlinkage long sys_vmsplice(int fd, const struct iovec __user *iov,
489 unsigned long nr_segs, unsigned int flags);
490 asmlinkage long sys_splice(int fd_in, loff_t __user *off_in,
491 int fd_out, loff_t __user *off_out,
492 size_t len, unsigned int flags);
493 asmlinkage long sys_tee(int fdin, int fdout, size_t len, unsigned int flags);
494 asmlinkage long sys_readlinkat(int dfd, const char __user *path, char __user *buf,
495 int bufsiz);
496 asmlinkage long sys_newfstatat(int dfd, const char __user *filename,
497 struct stat __user *statbuf, int flag);
498 asmlinkage long sys_newfstat(unsigned int fd, struct stat __user *statbuf);
499 #if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64)
500 asmlinkage long sys_fstat64(unsigned long fd, struct stat64 __user *statbuf);
501 asmlinkage long sys_fstatat64(int dfd, const char __user *filename,
502 struct stat64 __user *statbuf, int flag);
503 #endif
504 asmlinkage long sys_sync(void);
505 asmlinkage long sys_fsync(unsigned int fd);
506 asmlinkage long sys_fdatasync(unsigned int fd);
507 asmlinkage long sys_sync_file_range2(int fd, unsigned int flags,
508 loff_t offset, loff_t nbytes);
509 asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes,
510 unsigned int flags);
511 asmlinkage long sys_timerfd_create(int clockid, int flags);
512 asmlinkage long sys_timerfd_settime(int ufd, int flags,
513 const struct __kernel_itimerspec __user *utmr,
514 struct __kernel_itimerspec __user *otmr);
515 asmlinkage long sys_timerfd_gettime(int ufd, struct __kernel_itimerspec __user *otmr);
516 asmlinkage long sys_timerfd_gettime32(int ufd,
517 struct old_itimerspec32 __user *otmr);
518 asmlinkage long sys_timerfd_settime32(int ufd, int flags,
519 const struct old_itimerspec32 __user *utmr,
520 struct old_itimerspec32 __user *otmr);
521 asmlinkage long sys_utimensat(int dfd, const char __user *filename,
522 struct __kernel_timespec __user *utimes,
523 int flags);
524 asmlinkage long sys_utimensat_time32(unsigned int dfd,
525 const char __user *filename,
526 struct old_timespec32 __user *t, int flags);
527 asmlinkage long sys_acct(const char __user *name);
528 asmlinkage long sys_capget(cap_user_header_t header,
529 cap_user_data_t dataptr);
530 asmlinkage long sys_capset(cap_user_header_t header,
531 const cap_user_data_t data);
532 asmlinkage long sys_personality(unsigned int personality);
533 asmlinkage long sys_exit(int error_code);
534 asmlinkage long sys_exit_group(int error_code);
535 asmlinkage long sys_waitid(int which, pid_t pid,
536 struct siginfo __user *infop,
537 int options, struct rusage __user *ru);
538 asmlinkage long sys_set_tid_address(int __user *tidptr);
539 asmlinkage long sys_unshare(unsigned long unshare_flags);
540 asmlinkage long sys_futex(u32 __user *uaddr, int op, u32 val,
541 const struct __kernel_timespec __user *utime,
542 u32 __user *uaddr2, u32 val3);
543 asmlinkage long sys_futex_time32(u32 __user *uaddr, int op, u32 val,
544 const struct old_timespec32 __user *utime,
545 u32 __user *uaddr2, u32 val3);
546 asmlinkage long sys_get_robust_list(int pid,
547 struct robust_list_head __user * __user *head_ptr,
548 size_t __user *len_ptr);
549 asmlinkage long sys_set_robust_list(struct robust_list_head __user *head,
550 size_t len);
551
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next parent reply other threads:[~2023-09-13 21:33 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20230913152238.905247-3-mszeredi@redhat.com>
2023-09-13 21:32 ` kernel test robot [this message]
2023-09-14 1:27 ` [RFC PATCH 2/3] add statmnt(2) syscall kernel test robot
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202309140525.CcMyfaEf-lkp@intel.com \
--to=lkp@intel.com \
--cc=llvm@lists.linux.dev \
--cc=mszeredi@redhat.com \
--cc=oe-kbuild-all@lists.linux.dev \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox