On Wednesday 18 November 2015 00:16:55 Yury Norov wrote:

+/* IPC_64 */
+asmlinkage long ilp32_sys_msgctl(int first, int second, void __user *uptr)
+{
+       return compat_sys_msgctl(first, second | IPC_64, uptr);
+}
+#define compat_sys_msgctl              ilp32_sys_msgctl
+
+asmlinkage long ilp32_sys_shmctl(int first, int second, void __user *uptr)
+{
+       return compat_sys_shmctl(first, second | IPC_64, uptr);
+}
+#define compat_sys_shmctl              ilp32_sys_shmctl
+
+asmlinkage long ilp32_sys_semctl(int first, int second, int third, int arg)
+{
+       return compat_sys_semctl(first, second, third | IPC_64, arg);
+}
+#define compat_sys_semctl      ilp32_sys_semctl

I wonder if this would be any simpler by changing compat_ipc_parse_version()

	Arnd