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Kernel
提交 b0a0c261 编写于 作者: W Willem de Bruijn 提交者： Linus Torvalds
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epoll: wire up syscall epoll_pwait2 

Split off from prev patch in the series that implements the syscall.

Link: https://lkml.kernel.org/r/20201121144401.3727659-4-willemdebruijn.kernel@gmail.comSigned-off-by: NWillem de Bruijn <willemb@google.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 58169a52
隐藏空白更改
内联 并排
Showing with 35 addition and 2 deletion
arch/alpha/kernel/syscalls/syscall.tbl
浏览文件 @ b0a0c261
......@@ -480,3 +480,4 @@
548 common pidfd_getfd sys_pidfd_getfd
549 common faccessat2 sys_faccessat2
550 common process_madvise sys_process_madvise
551 common epoll_pwait2 sys_epoll_pwait2
arch/arm/tools/syscall.tbl
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......@@ -454,3 +454,4 @@
438 common pidfd_getfd sys_pidfd_getfd
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
441 common epoll_pwait2 sys_epoll_pwait2
arch/arm64/include/asm/unistd.h
浏览文件 @ b0a0c261
......@@ -38,7 +38,7 @@
#define __ARM_NR_compat_set_tls (__ARM_NR_COMPAT_BASE + 5)
#define __ARM_NR_COMPAT_END (__ARM_NR_COMPAT_BASE + 0x800)
#define __NR_compat_syscalls 441
#define __NR_compat_syscalls 442
#endif
#define __ARCH_WANT_SYS_CLONE
......
arch/arm64/include/asm/unistd32.h
浏览文件 @ b0a0c261
......@@ -889,6 +889,8 @@ __SYSCALL(__NR_pidfd_getfd, sys_pidfd_getfd)
__SYSCALL(__NR_faccessat2, sys_faccessat2)
#define __NR_process_madvise 440
__SYSCALL(__NR_process_madvise, sys_process_madvise)
#define __NR_epoll_pwait2 441
__SYSCALL(__NR_epoll_pwait2, sys_epoll_pwait2)
/*
* Please add new compat syscalls above this comment and update
......
arch/ia64/kernel/syscalls/syscall.tbl
浏览文件 @ b0a0c261
......@@ -361,3 +361,4 @@
438 common pidfd_getfd sys_pidfd_getfd
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
441 common epoll_pwait2 sys_epoll_pwait2
arch/m68k/kernel/syscalls/syscall.tbl
浏览文件 @ b0a0c261
......@@ -440,3 +440,4 @@
438 common pidfd_getfd sys_pidfd_getfd
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
441 common epoll_pwait2 sys_epoll_pwait2
arch/microblaze/kernel/syscalls/syscall.tbl
浏览文件 @ b0a0c261
......@@ -446,3 +446,4 @@
438 common pidfd_getfd sys_pidfd_getfd
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
441 common epoll_pwait2 sys_epoll_pwait2
arch/mips/kernel/syscalls/syscall_n32.tbl
浏览文件 @ b0a0c261
......@@ -379,3 +379,4 @@
438 n32 pidfd_getfd sys_pidfd_getfd
439 n32 faccessat2 sys_faccessat2
440 n32 process_madvise sys_process_madvise
441 n32 epoll_pwait2 sys_epoll_pwait2
arch/mips/kernel/syscalls/syscall_n64.tbl
浏览文件 @ b0a0c261
......@@ -355,3 +355,4 @@
438 n64 pidfd_getfd sys_pidfd_getfd
439 n64 faccessat2 sys_faccessat2
440 n64 process_madvise sys_process_madvise
441 n64 epoll_pwait2 sys_epoll_pwait2
arch/mips/kernel/syscalls/syscall_o32.tbl
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......@@ -428,3 +428,4 @@
438 o32 pidfd_getfd sys_pidfd_getfd
439 o32 faccessat2 sys_faccessat2
440 o32 process_madvise sys_process_madvise
441 o32 epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2
arch/parisc/kernel/syscalls/syscall.tbl
浏览文件 @ b0a0c261
......@@ -438,3 +438,4 @@
438 common pidfd_getfd sys_pidfd_getfd
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
441 common epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2
arch/powerpc/kernel/syscalls/syscall.tbl
浏览文件 @ b0a0c261
......@@ -530,3 +530,4 @@
438 common pidfd_getfd sys_pidfd_getfd
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
441 common epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2
arch/s390/kernel/syscalls/syscall.tbl
浏览文件 @ b0a0c261
......@@ -443,3 +443,4 @@
438 common pidfd_getfd sys_pidfd_getfd sys_pidfd_getfd
439 common faccessat2 sys_faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise sys_process_madvise
441 common epoll_pwait2 sys_epoll_pwait2 sys_epoll_pwait2
arch/sh/kernel/syscalls/syscall.tbl
浏览文件 @ b0a0c261
......@@ -443,3 +443,4 @@
438 common pidfd_getfd sys_pidfd_getfd
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
441 common epoll_pwait2 sys_epoll_pwait2
arch/sparc/kernel/syscalls/syscall.tbl
浏览文件 @ b0a0c261
......@@ -486,3 +486,4 @@
438 common pidfd_getfd sys_pidfd_getfd
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
441 common epoll_pwait2 sys_epoll_pwait2
arch/x86/entry/syscalls/syscall_32.tbl
浏览文件 @ b0a0c261
......@@ -445,3 +445,4 @@
438 i386 pidfd_getfd sys_pidfd_getfd
439 i386 faccessat2 sys_faccessat2
440 i386 process_madvise sys_process_madvise
441 i386 epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2
arch/x86/entry/syscalls/syscall_64.tbl
浏览文件 @ b0a0c261
......@@ -362,6 +362,7 @@
438 common pidfd_getfd sys_pidfd_getfd
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
441 common epoll_pwait2 sys_epoll_pwait2
#
# Due to a historical design error, certain syscalls are numbered differently
......
arch/xtensa/kernel/syscalls/syscall.tbl
浏览文件 @ b0a0c261
......@@ -411,3 +411,4 @@
438 common pidfd_getfd sys_pidfd_getfd
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
441 common epoll_pwait2 sys_epoll_pwait2
include/linux/compat.h
浏览文件 @ b0a0c261
......@@ -537,6 +537,12 @@ asmlinkage long compat_sys_epoll_pwait(int epfd,
int maxevents, int timeout,
const compat_sigset_t __user *sigmask,
compat_size_t sigsetsize);
asmlinkage long compat_sys_epoll_pwait2(int epfd,
struct epoll_event __user *events,
int maxevents,
const struct __kernel_timespec __user *timeout,
const compat_sigset_t __user *sigmask,
compat_size_t sigsetsize);
/* fs/fcntl.c */
asmlinkage long compat_sys_fcntl(unsigned int fd, unsigned int cmd,
......
include/linux/syscalls.h
浏览文件 @ b0a0c261
......@@ -362,6 +362,11 @@ asmlinkage long sys_epoll_pwait(int epfd, struct epoll_event __user *events,
int maxevents, int timeout,
const sigset_t __user *sigmask,
size_t sigsetsize);
asmlinkage long sys_epoll_pwait2(int epfd, struct epoll_event __user *events,
int maxevents,
const struct __kernel_timespec __user *timeout,
const sigset_t __user *sigmask,
size_t sigsetsize);
/* fs/fcntl.c */
asmlinkage long sys_dup(unsigned int fildes);
......
include/uapi/asm-generic/unistd.h
浏览文件 @ b0a0c261
......@@ -859,9 +859,11 @@ __SYSCALL(__NR_pidfd_getfd, sys_pidfd_getfd)
__SYSCALL(__NR_faccessat2, sys_faccessat2)
#define __NR_process_madvise 440
__SYSCALL(__NR_process_madvise, sys_process_madvise)
#define __NR_epoll_pwait2 441
__SC_COMP(__NR_epoll_pwait2, sys_epoll_pwait2, compat_sys_epoll_pwait2)
#undef __NR_syscalls
#define __NR_syscalls 441
#define __NR_syscalls 442
/*
* 32 bit systems traditionally used different
......
kernel/sys_ni.c
浏览文件 @ b0a0c261
......@@ -68,6 +68,8 @@ COND_SYSCALL(epoll_create1);
COND_SYSCALL(epoll_ctl);
COND_SYSCALL(epoll_pwait);
COND_SYSCALL_COMPAT(epoll_pwait);
COND_SYSCALL(epoll_pwait2);
COND_SYSCALL_COMPAT(epoll_pwait2);
/* fs/fcntl.c */
......
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