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authorMaxime Ripard <maxime@cerno.tech>2021-03-16 09:06:23 +0100
committerMaxime Ripard <maxime@cerno.tech>2021-03-16 09:06:23 +0100
commitf8bade6c9a6213c2c5ba6e5bf32415ecab6e41e5 (patch)
tree474c8fb8df9797b6e0d1e562b389f575c24afc50 /include/linux/syscalls.h
parentccf953d8f3d68e85e577e843fdcde8872b0a9769 (diff)
parent51c3b916a4d7e24b4918925965867fdd9bd8dd59 (diff)
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Merge drm/drm-next into drm-misc-next
Noralf needs some patches in 5.12-rc3, and we've been delaying the 5.12 merge due to the swap issue so it looks like a good time. Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'include/linux/syscalls.h')
-rw-r--r--include/linux/syscalls.h36
1 files changed, 32 insertions, 4 deletions
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index f3929aff39cf..2839dc9a7c01 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -68,6 +68,7 @@ union bpf_attr;
struct io_uring_params;
struct clone_args;
struct open_how;
+struct mount_attr;
#include <linux/types.h>
#include <linux/aio_abi.h>
@@ -251,6 +252,30 @@ 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.
@@ -583,11 +608,11 @@ asmlinkage long sys_unshare(unsigned long unshare_flags);
/* kernel/futex.c */
asmlinkage long sys_futex(u32 __user *uaddr, int op, u32 val,
- struct __kernel_timespec __user *utime, u32 __user *uaddr2,
- u32 val3);
+ const struct __kernel_timespec __user *utime,
+ u32 __user *uaddr2, u32 val3);
asmlinkage long sys_futex_time32(u32 __user *uaddr, int op, u32 val,
- struct old_timespec32 __user *utime, u32 __user *uaddr2,
- u32 val3);
+ const struct old_timespec32 __user *utime,
+ u32 __user *uaddr2, u32 val3);
asmlinkage long sys_get_robust_list(int pid,
struct robust_list_head __user * __user *head_ptr,
size_t __user *len_ptr);
@@ -1004,6 +1029,9 @@ asmlinkage long sys_open_tree(int dfd, const char __user *path, unsigned flags);
asmlinkage long sys_move_mount(int from_dfd, const char __user *from_path,
int to_dfd, const char __user *to_path,
unsigned int ms_flags);
+asmlinkage long sys_mount_setattr(int dfd, const char __user *path,
+ unsigned int flags,
+ struct mount_attr __user *uattr, size_t usize);
asmlinkage long sys_fsopen(const char __user *fs_name, unsigned int flags);
asmlinkage long sys_fsconfig(int fs_fd, unsigned int cmd, const char __user *key,
const void __user *value, int aux);