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| author | Andrea Arcangeli <aarcange@redhat.com> | 2015-05-14 19:31:16 +0200 |
|---|---|---|
| committer | Sasha Levin <sasha.levin@oracle.com> | 2015-05-18 06:28:59 -0400 |
| commit | 777cb684c6cc51ee78c83d04dc499e53734171ef (patch) | |
| tree | e468850b07b93a849f16ef244e4283b7950baa0d | |
| parent | 3a1b57b3cb3be39599ae1ec4308a551b4e2b85e8 (diff) | |
| download | mm-next-777cb684c6cc51ee78c83d04dc499e53734171ef.tar.gz | |
userfaultfd: activate syscall
This activates the userfaultfd syscall.
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
| -rw-r--r-- | arch/powerpc/include/asm/systbl.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/include/uapi/asm/unistd.h | 1 | ||||
| -rw-r--r-- | arch/x86/syscalls/syscall_32.tbl | 1 | ||||
| -rw-r--r-- | arch/x86/syscalls/syscall_64.tbl | 1 | ||||
| -rw-r--r-- | include/linux/syscalls.h | 1 | ||||
| -rw-r--r-- | kernel/sys_ni.c | 1 |
6 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h index f1863a138b4a49..4741b151d4674c 100644 --- a/arch/powerpc/include/asm/systbl.h +++ b/arch/powerpc/include/asm/systbl.h @@ -368,3 +368,4 @@ SYSCALL_SPU(memfd_create) SYSCALL_SPU(bpf) COMPAT_SYS(execveat) PPC64ONLY(switch_endian) +SYSCALL_SPU(userfaultfd) diff --git a/arch/powerpc/include/uapi/asm/unistd.h b/arch/powerpc/include/uapi/asm/unistd.h index e4aa173dae6236..6ad58d4c879bf6 100644 --- a/arch/powerpc/include/uapi/asm/unistd.h +++ b/arch/powerpc/include/uapi/asm/unistd.h @@ -386,5 +386,6 @@ #define __NR_bpf 361 #define __NR_execveat 362 #define __NR_switch_endian 363 +#define __NR_userfaultfd 364 #endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */ diff --git a/arch/x86/syscalls/syscall_32.tbl b/arch/x86/syscalls/syscall_32.tbl index ef8187f9d28d96..dcc18ea75412d3 100644 --- a/arch/x86/syscalls/syscall_32.tbl +++ b/arch/x86/syscalls/syscall_32.tbl @@ -365,3 +365,4 @@ 356 i386 memfd_create sys_memfd_create 357 i386 bpf sys_bpf 358 i386 execveat sys_execveat stub32_execveat +359 i386 userfaultfd sys_userfaultfd diff --git a/arch/x86/syscalls/syscall_64.tbl b/arch/x86/syscalls/syscall_64.tbl index 9ef32d5f1b19e6..81c490634db994 100644 --- a/arch/x86/syscalls/syscall_64.tbl +++ b/arch/x86/syscalls/syscall_64.tbl @@ -329,6 +329,7 @@ 320 common kexec_file_load sys_kexec_file_load 321 common bpf sys_bpf 322 64 execveat stub_execveat +323 common userfaultfd sys_userfaultfd # # x32-specific system call numbers start at 512 to avoid cache impact diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index bb51becf23f882..8ee1d0c4b04921 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -810,6 +810,7 @@ asmlinkage long sys_timerfd_gettime(int ufd, struct itimerspec __user *otmr); asmlinkage long sys_eventfd(unsigned int count); asmlinkage long sys_eventfd2(unsigned int count, int flags); asmlinkage long sys_memfd_create(const char __user *uname_ptr, unsigned int flags); +asmlinkage long sys_userfaultfd(int flags); asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len); asmlinkage long sys_old_readdir(unsigned int, struct old_linux_dirent __user *, unsigned int); asmlinkage long sys_pselect6(int, fd_set __user *, fd_set __user *, diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c index 7995ef5868d8f3..8b3e10ea512324 100644 --- a/kernel/sys_ni.c +++ b/kernel/sys_ni.c @@ -218,6 +218,7 @@ cond_syscall(compat_sys_timerfd_gettime); cond_syscall(sys_eventfd); cond_syscall(sys_eventfd2); cond_syscall(sys_memfd_create); +cond_syscall(sys_userfaultfd); /* performance counters: */ cond_syscall(sys_perf_event_open); |