diff options
Diffstat (limited to 'arch/x86/include/asm/uaccess.h')
| -rw-r--r-- | arch/x86/include/asm/uaccess.h | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h index 123135d60f72..cad17e11aa83 100644 --- a/arch/x86/include/asm/uaccess.h +++ b/arch/x86/include/asm/uaccess.h @@ -16,14 +16,6 @@ #include <asm/extable.h> #include <asm/tlbflush.h> -#ifdef CONFIG_DEBUG_ATOMIC_SLEEP -static inline bool pagefault_disabled(void); -# define WARN_ON_IN_IRQ() \ - WARN_ON_ONCE(!in_task() && !pagefault_disabled()) -#else -# define WARN_ON_IN_IRQ() -#endif - #ifdef CONFIG_ADDRESS_MASKING /* * Mask out tag bits from the address. @@ -103,32 +95,6 @@ static inline bool __access_ok(const void __user *ptr, unsigned long size) #define __access_ok __access_ok #endif -/** - * access_ok - Checks if a user space pointer is valid - * @addr: User space pointer to start of block to check - * @size: Size of block to check - * - * Context: User context only. This function may sleep if pagefaults are - * enabled. - * - * Checks if a pointer to a block of memory in user space is valid. - * - * Note that, depending on architecture, this function probably just - * checks that the pointer is in the user space range - after calling - * this function, memory access functions may still return -EFAULT. - * - * Return: true (nonzero) if the memory block may be valid, false (zero) - * if it is definitely invalid. - * - * This should not be x86-specific. The only odd things out here is - * the WARN_ON_IN_IRQ(), which doesn't exist in the generic version. - */ -#define access_ok(addr, size) \ -({ \ - WARN_ON_IN_IRQ(); \ - likely(__access_ok(addr, size)); \ -}) - #include <asm-generic/access_ok.h> extern int __get_user_1(void); |