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authorSzabolcs Nagy <nsz@port70.net>2015-11-18 23:31:37 +0000
committerRich Felker <dalias@aerifal.cx>2016-01-26 18:28:20 -0500
commit09001a8f97ac779573976b5838e3d293f1713c5c (patch)
tree1a45ec88633aa3bd7fd45ee1d42802445930cc56 /arch/i386
parent37bfb68f688772e7ce339ab72b9ddcf86ac1e8a8 (diff)
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add new membarrier, userfaultfd and switch_endian syscalls
new in linux v4.3 added for aarch64, arm, i386, mips, or1k, powerpc,
x32 and x86_64.

membarrier is a system wide memory barrier, moves most of the
synchronization cost to one side, new in kernel commit
5b25b13ab08f616efd566347d809b4ece54570d1

userfaultfd is useful for qemu and is new in kernel commit
8d2afd96c20316d112e04d935d9e09150e988397

switch_endian is powerpc only for switching endianness, new in commit
529d235a0e190ded1d21ccc80a73e625ebcad09b
Diffstat (limited to 'arch/i386')
-rw-r--r--arch/i386/bits/syscall.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/i386/bits/syscall.h b/arch/i386/bits/syscall.h
index 64004d8e..27c5325c 100644
--- a/arch/i386/bits/syscall.h
+++ b/arch/i386/bits/syscall.h
@@ -372,6 +372,8 @@
 #define __NR_recvfrom		371
 #define __NR_recvmsg		372
 #define __NR_shutdown		373
+#define __NR_userfaultfd	374
+#define __NR_membarrier		375
 
 
 /* Repeated with SYS_ prefix */
@@ -750,3 +752,5 @@
 #define SYS_recvfrom		371
 #define SYS_recvmsg		372
 #define SYS_shutdown		373
+#define SYS_userfaultfd		374
+#define SYS_membarrier		375