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authorJiri Kosina <jkosina@suse.cz>2021-02-23 11:33:13 +0100
committerJiri Kosina <jkosina@suse.cz>2021-02-23 11:33:13 +0100
commitd6310078d9f8c416e85f641a631aecf58f9c97ff (patch)
tree58ed5d9818ada3e970d93438083731abd6293ba9 /include/linux/syscalls.h
parentf8dd50e097b221e35c34b844826db92158ec18c2 (diff)
parentdf7b622906f24be954beca94e60c195fde65c6d5 (diff)
Merge branch 'for-5.12/google' into for-linus
- User experience improvements for hid-google from Nicolas Boichat
Diffstat (limited to 'include/linux/syscalls.h')
-rw-r--r--include/linux/syscalls.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index df0c3c74609e..7688bc983de5 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -251,6 +251,30 @@ static inline int is_syscall_trace_event(struct trace_event_call *tp_event)
static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
#endif /* __SYSCALL_DEFINEx */
+/* For split 64-bit arguments on 32-bit architectures */
+#ifdef __LITTLE_ENDIAN
+#define SC_ARG64(name) u32, name##_lo, u32, name##_hi
+#else
+#define SC_ARG64(name) u32, name##_hi, u32, name##_lo
+#endif
+#define SC_VAL64(type, name) ((type) name##_hi << 32 | name##_lo)
+
+#ifdef CONFIG_COMPAT
+#define SYSCALL32_DEFINE1 COMPAT_SYSCALL_DEFINE1
+#define SYSCALL32_DEFINE2 COMPAT_SYSCALL_DEFINE2
+#define SYSCALL32_DEFINE3 COMPAT_SYSCALL_DEFINE3
+#define SYSCALL32_DEFINE4 COMPAT_SYSCALL_DEFINE4
+#define SYSCALL32_DEFINE5 COMPAT_SYSCALL_DEFINE5
+#define SYSCALL32_DEFINE6 COMPAT_SYSCALL_DEFINE6
+#else
+#define SYSCALL32_DEFINE1 SYSCALL_DEFINE1
+#define SYSCALL32_DEFINE2 SYSCALL_DEFINE2
+#define SYSCALL32_DEFINE3 SYSCALL_DEFINE3
+#define SYSCALL32_DEFINE4 SYSCALL_DEFINE4
+#define SYSCALL32_DEFINE5 SYSCALL_DEFINE5
+#define SYSCALL32_DEFINE6 SYSCALL_DEFINE6
+#endif
+
/*
* Called before coming back to user-mode. Returning to user-mode with an
* address limit different than USER_DS can allow to overwrite kernel memory.
@@ -362,6 +386,11 @@ asmlinkage long sys_epoll_pwait(int epfd, struct epoll_event __user *events,
int maxevents, int timeout,
const sigset_t __user *sigmask,
size_t sigsetsize);
+asmlinkage long sys_epoll_pwait2(int epfd, struct epoll_event __user *events,
+ int maxevents,
+ const struct __kernel_timespec __user *timeout,
+ const sigset_t __user *sigmask,
+ size_t sigsetsize);
/* fs/fcntl.c */
asmlinkage long sys_dup(unsigned int fildes);