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userfaultfd: register uapi generic syscall (aarch64) 

Add the userfaultfd syscalls to uapi asm-generic, it was tested with
postcopy live migration on aarch64 with both 4k and 64k pagesize
kernels.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Shuah Khan <shuahkh@osg.samsung.com>
Cc: Thierry Reding <treding@nvidia.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Dr. David Alan Gilbert 2015-09-22 14:59:09 -07:00 committed by Linus Torvalds
parent 5dd01be145
commit 09f7298100
1 changed files with 5 additions and 3 deletions
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8
include/uapi/asm-generic/unistd.h
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@ -709,17 +709,19 @@ __SYSCALL(__NR_memfd_create, sys_memfd_create)
__SYSCALL(__NR_bpf, sys_bpf)
#define __NR_execveat 281
__SC_COMP(__NR_execveat, sys_execveat, compat_sys_execveat)
#define __NR_membarrier 282
#define __NR_userfaultfd 282
__SYSCALL(__NR_userfaultfd, sys_userfaultfd)
#define __NR_membarrier 283
__SYSCALL(__NR_membarrier, sys_membarrier)
#undef __NR_syscalls
#define __NR_syscalls 283
#define __NR_syscalls 284
/*
* All syscalls below here should go away really,
* these are provided for both review and as a porting
* help for the C library version.
*
*
* Last chance: are any of these important enough to
* enable by default?
*/