The patch titled
Subject: userfaultfd: register uapi generic syscall (aarch64)
has been removed from the -mm tree. Its filename was
userfaultfd-register-uapi-generic-syscall-aarch64.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: "Dr. David Alan Gilbert" <dgilbert@xxxxxxxxxx>
Subject: 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@xxxxxxxxxx>
Signed-off-by: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Shuah Khan <shuahkh@xxxxxxxxxxxxxxx>
Cc: Thierry Reding <treding@xxxxxxxxxx>
Cc: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/uapi/asm-generic/unistd.h | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff -puN include/uapi/asm-generic/unistd.h~userfaultfd-register-uapi-generic-syscall-aarch64 include/uapi/asm-generic/unistd.h
--- a/include/uapi/asm-generic/unistd.h~userfaultfd-register-uapi-generic-syscall-aarch64
+++ a/include/uapi/asm-generic/unistd.h
@@ -709,17 +709,19 @@ __SYSCALL(__NR_memfd_create, sys_memfd_c
__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?
*/
_
Patches currently in -mm which might be from dgilbert@xxxxxxxxxx are
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