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-rw-r--r--include/linux/eventpoll.h7
-rw-r--r--include/linux/ipc.h9
-rw-r--r--include/linux/utsname.h2
3 files changed, 12 insertions, 6 deletions
diff --git a/include/linux/eventpoll.h b/include/linux/eventpoll.h
index 84cfa8bbdc3..d2a96cbf4f0 100644
--- a/include/linux/eventpoll.h
+++ b/include/linux/eventpoll.h
@@ -31,12 +31,19 @@
/*
* On x86-64 make the 64bit structure have the same alignment as the
* 32bit structure. This makes 32bit emulation easier.
+ *
+ * UML/x86_64 needs the same packing as x86_64 - UML + UML_X86 +
+ * 64_BIT adds up to UML/x86_64.
*/
#ifdef __x86_64__
#define EPOLL_PACKED __attribute__((packed))
#else
+#if defined(CONFIG_UML) && defined(CONFIG_UML_X86) && defined(CONFIG_64BIT)
+#define EPOLL_PACKED __attribute__((packed))
+#else
#define EPOLL_PACKED
#endif
+#endif
struct epoll_event {
__u32 events;
diff --git a/include/linux/ipc.h b/include/linux/ipc.h
index 636094c29b1..6da6772c19f 100644
--- a/include/linux/ipc.h
+++ b/include/linux/ipc.h
@@ -92,19 +92,16 @@ extern struct ipc_namespace init_ipc_ns;
#ifdef CONFIG_SYSVIPC
#define INIT_IPC_NS(ns) .ns = &init_ipc_ns,
+extern int copy_ipcs(unsigned long flags, struct task_struct *tsk);
#else
#define INIT_IPC_NS(ns)
+static inline int copy_ipcs(unsigned long flags, struct task_struct *tsk)
+{ return 0; }
#endif
#ifdef CONFIG_IPC_NS
extern void free_ipc_ns(struct kref *kref);
-extern int copy_ipcs(unsigned long flags, struct task_struct *tsk);
extern int unshare_ipcs(unsigned long flags, struct ipc_namespace **ns);
-#else
-static inline int copy_ipcs(unsigned long flags, struct task_struct *tsk)
-{
- return 0;
-}
#endif
static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns)
diff --git a/include/linux/utsname.h b/include/linux/utsname.h
index a4555fe3754..e10267d402c 100644
--- a/include/linux/utsname.h
+++ b/include/linux/utsname.h
@@ -70,6 +70,8 @@ static inline int unshare_utsname(unsigned long unshare_flags,
static inline int copy_utsname(int flags, struct task_struct *tsk)
{
+ if (flags & CLONE_NEWUTS)
+ return -EINVAL;
return 0;
}
static inline void put_uts_ns(struct uts_namespace *ns)