Merge branch 'for-3.17/drivers' of git://git.kernel.dk/linux-block

[deliverable/linux.git] / arch / arm64 / include / asm / syscall.h

diff --git a/arch/arm64/include/asm/syscall.h b/arch/arm64/include/asm/syscall.h
index 383771eb0b87b5c540b49bf0553ff99e4ff907b8..709a574468f01a7fab6f20683310aee5f1689e3c 100644 (file)
--- a/arch/arm64/include/asm/syscall.h
+++ b/arch/arm64/include/asm/syscall.h
@@ -16,6 +16,8 @@
 #ifndef __ASM_SYSCALL_H
 #define __ASM_SYSCALL_H
 
+#include <uapi/linux/audit.h>
+#include <linux/compat.h>
 #include <linux/err.h>
 
 extern const void *sys_call_table[];
@@ -105,4 +107,16 @@ static inline void syscall_set_arguments(struct task_struct *task,
        memcpy(&regs->regs[i], args, n * sizeof(args[0]));
 }
 
+/*
+ * We don't care about endianness (__AUDIT_ARCH_LE bit) here because
+ * AArch64 has the same system calls both on little- and big- endian.
+ */
+static inline int syscall_get_arch(void)
+{
+       if (is_compat_task())
+               return AUDIT_ARCH_ARM;
+
+       return AUDIT_ARCH_AARCH64;
+}
+
 #endif /* __ASM_SYSCALL_H */