The patch titled
Subject: epoll: wire up syscall epoll_pwait2
has been added to the -mm tree. Its filename is
epoll-wire-up-syscall-epoll_pwait2.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/epoll-wire-up-syscall-epoll_pwait2.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/epoll-wire-up-syscall-epoll_pwait2.patch
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------------------------------------------------------
From: Willem de Bruijn <willemb@xxxxxxxxxx>
Subject: 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@xxxxxxxxx
Signed-off-by: Willem de Bruijn <willemb@xxxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/alpha/kernel/syscalls/syscall.tbl | 1 +
arch/arm/tools/syscall.tbl | 1 +
arch/arm64/include/asm/unistd.h | 2 +-
arch/arm64/include/asm/unistd32.h | 2 ++
arch/ia64/kernel/syscalls/syscall.tbl | 1 +
arch/m68k/kernel/syscalls/syscall.tbl | 1 +
arch/microblaze/kernel/syscalls/syscall.tbl | 1 +
arch/mips/kernel/syscalls/syscall_n32.tbl | 1 +
arch/mips/kernel/syscalls/syscall_n64.tbl | 1 +
arch/mips/kernel/syscalls/syscall_o32.tbl | 1 +
arch/parisc/kernel/syscalls/syscall.tbl | 1 +
arch/powerpc/kernel/syscalls/syscall.tbl | 1 +
arch/s390/kernel/syscalls/syscall.tbl | 1 +
arch/sh/kernel/syscalls/syscall.tbl | 1 +
arch/sparc/kernel/syscalls/syscall.tbl | 1 +
arch/x86/entry/syscalls/syscall_32.tbl | 1 +
arch/x86/entry/syscalls/syscall_64.tbl | 1 +
arch/xtensa/kernel/syscalls/syscall.tbl | 1 +
include/linux/compat.h | 6 ++++++
include/linux/syscalls.h | 5 +++++
include/uapi/asm-generic/unistd.h | 4 +++-
kernel/sys_ni.c | 2 ++
22 files changed, 35 insertions(+), 2 deletions(-)
--- a/arch/alpha/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2
+++ a/arch/alpha/kernel/syscalls/syscall.tbl
@@ -481,3 +481,4 @@
549 common faccessat2 sys_faccessat2
550 common process_madvise sys_process_madvise
551 common watch_mount sys_watch_mount
+553 common epoll_pwait2 sys_epoll_pwait2
--- a/arch/arm64/include/asm/unistd32.h~epoll-wire-up-syscall-epoll_pwait2
+++ a/arch/arm64/include/asm/unistd32.h
@@ -891,6 +891,8 @@ __SYSCALL(__NR_faccessat2, sys_faccessat
__SYSCALL(__NR_process_madvise, sys_process_madvise)
#define __NR_watch_mount 441
__SYSCALL(__NR_watch_mount, sys_watch_mount)
+#define __NR_epoll_pwait2 442
+__SYSCALL(__NR_epoll_pwait2, sys_epoll_pwait2)
/*
* Please add new compat syscalls above this comment and update
--- a/arch/arm64/include/asm/unistd.h~epoll-wire-up-syscall-epoll_pwait2
+++ a/arch/arm64/include/asm/unistd.h
@@ -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 442
+#define __NR_compat_syscalls 443
#endif
#define __ARCH_WANT_SYS_CLONE
--- a/arch/arm/tools/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2
+++ a/arch/arm/tools/syscall.tbl
@@ -455,3 +455,4 @@
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
441 common watch_mount sys_watch_mount
+443 common epoll_pwait2 sys_epoll_pwait2
--- a/arch/ia64/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2
+++ a/arch/ia64/kernel/syscalls/syscall.tbl
@@ -362,3 +362,4 @@
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
441 common watch_mount sys_watch_mount
+443 common epoll_pwait2 sys_epoll_pwait2
--- a/arch/m68k/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2
+++ a/arch/m68k/kernel/syscalls/syscall.tbl
@@ -441,3 +441,4 @@
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
441 common watch_mount sys_watch_mount
+443 common epoll_pwait2 sys_epoll_pwait2
--- a/arch/microblaze/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2
+++ a/arch/microblaze/kernel/syscalls/syscall.tbl
@@ -447,3 +447,4 @@
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
441 common watch_mount sys_watch_mount
+443 common epoll_pwait2 sys_epoll_pwait2
--- a/arch/mips/kernel/syscalls/syscall_n32.tbl~epoll-wire-up-syscall-epoll_pwait2
+++ a/arch/mips/kernel/syscalls/syscall_n32.tbl
@@ -380,3 +380,4 @@
439 n32 faccessat2 sys_faccessat2
440 n32 process_madvise sys_process_madvise
441 n32 watch_mount sys_watch_mount
+443 n32 epoll_pwait2 sys_epoll_pwait2
--- a/arch/mips/kernel/syscalls/syscall_n64.tbl~epoll-wire-up-syscall-epoll_pwait2
+++ a/arch/mips/kernel/syscalls/syscall_n64.tbl
@@ -356,3 +356,4 @@
439 n64 faccessat2 sys_faccessat2
440 n64 process_madvise sys_process_madvise
441 n64 watch_mount sys_watch_mount
+443 n64 epoll_pwait2 sys_epoll_pwait2
--- a/arch/mips/kernel/syscalls/syscall_o32.tbl~epoll-wire-up-syscall-epoll_pwait2
+++ a/arch/mips/kernel/syscalls/syscall_o32.tbl
@@ -429,3 +429,4 @@
439 o32 faccessat2 sys_faccessat2
440 o32 process_madvise sys_process_madvise
441 o32 watch_mount sys_watch_mount
+443 o32 epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2
--- a/arch/parisc/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2
+++ a/arch/parisc/kernel/syscalls/syscall.tbl
@@ -439,3 +439,4 @@
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
441 common watch_mount sys_watch_mount
+443 common epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2
--- a/arch/powerpc/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2
+++ a/arch/powerpc/kernel/syscalls/syscall.tbl
@@ -531,3 +531,4 @@
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
441 common watch_mount sys_watch_mount
+443 common epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2
--- a/arch/s390/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2
+++ a/arch/s390/kernel/syscalls/syscall.tbl
@@ -444,3 +444,4 @@
439 common faccessat2 sys_faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise sys_process_madvise
441 common watch_mount sys_watch_mount sys_watch_mount
+443 common epoll_pwait2 sys_epoll_pwait2 sys_epoll_pwait2
--- a/arch/sh/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2
+++ a/arch/sh/kernel/syscalls/syscall.tbl
@@ -444,3 +444,4 @@
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
441 common watch_mount sys_watch_mount
+443 common epoll_pwait2 sys_epoll_pwait2
--- a/arch/sparc/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2
+++ a/arch/sparc/kernel/syscalls/syscall.tbl
@@ -487,3 +487,4 @@
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
441 common watch_mount sys_watch_mount
+443 common epoll_pwait2 sys_epoll_pwait2
--- a/arch/x86/entry/syscalls/syscall_32.tbl~epoll-wire-up-syscall-epoll_pwait2
+++ a/arch/x86/entry/syscalls/syscall_32.tbl
@@ -446,3 +446,4 @@
439 i386 faccessat2 sys_faccessat2
440 i386 process_madvise sys_process_madvise
441 i386 watch_mount sys_watch_mount
+442 i386 epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2
--- a/arch/x86/entry/syscalls/syscall_64.tbl~epoll-wire-up-syscall-epoll_pwait2
+++ a/arch/x86/entry/syscalls/syscall_64.tbl
@@ -363,6 +363,7 @@
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
441 common watch_mount sys_watch_mount
+442 common epoll_pwait2 sys_epoll_pwait2
#
# Due to a historical design error, certain syscalls are numbered differently
--- a/arch/xtensa/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2
+++ a/arch/xtensa/kernel/syscalls/syscall.tbl
@@ -412,3 +412,4 @@
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
441 common watch_mount sys_watch_mount
+443 common epoll_pwait2 sys_epoll_pwait2
--- a/include/linux/compat.h~epoll-wire-up-syscall-epoll_pwait2
+++ a/include/linux/compat.h
@@ -505,6 +505,12 @@ asmlinkage long compat_sys_epoll_pwait(i
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,
--- a/include/linux/syscalls.h~epoll-wire-up-syscall-epoll_pwait2
+++ a/include/linux/syscalls.h
@@ -362,6 +362,11 @@ asmlinkage long sys_epoll_pwait(int epfd
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);
--- a/include/uapi/asm-generic/unistd.h~epoll-wire-up-syscall-epoll_pwait2
+++ a/include/uapi/asm-generic/unistd.h
@@ -861,9 +861,11 @@ __SYSCALL(__NR_faccessat2, sys_faccessat
__SYSCALL(__NR_process_madvise, sys_process_madvise)
#define __NR_watch_mount 441
__SYSCALL(__NR_watch_mount, sys_watch_mount)
+#define __NR_epoll_pwait2 442
+__SC_COMP(__NR_epoll_pwait2, sys_epoll_pwait2, compat_sys_epoll_pwait2)
#undef __NR_syscalls
-#define __NR_syscalls 442
+#define __NR_syscalls 443
/*
* 32 bit systems traditionally used different
--- a/kernel/sys_ni.c~epoll-wire-up-syscall-epoll_pwait2
+++ a/kernel/sys_ni.c
@@ -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 */
_
Patches currently in -mm which might be from willemb@xxxxxxxxxx are
epoll-convert-internal-api-to-timespec64.patch
epoll-add-syscall-epoll_pwait2.patch
epoll-wire-up-syscall-epoll_pwait2.patch
selftests-filesystems-expand-epoll-with-epoll_pwait2.patch
