diff options
Diffstat (limited to 'arch/hexagon')
| -rw-r--r-- | arch/hexagon/include/asm/uaccess.h | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/arch/hexagon/include/asm/uaccess.h b/arch/hexagon/include/asm/uaccess.h index 719ba3f3c45c..bff77efc0d9a 100644 --- a/arch/hexagon/include/asm/uaccess.h +++ b/arch/hexagon/include/asm/uaccess.h @@ -13,31 +13,6 @@ #include <asm/sections.h> /* - * 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. - * - * Returns true (nonzero) if the memory block *may* be valid, false (zero) - * if it is definitely invalid. - * - */ -#define uaccess_kernel() (get_fs().seg == KERNEL_DS.seg) -#define user_addr_max() (uaccess_kernel() ? ~0UL : TASK_SIZE) - -static inline int __access_ok(unsigned long addr, unsigned long size) -{ - unsigned long limit = TASK_SIZE; - - return (size <= limit) && (addr <= (limit - size)); -} -#define __access_ok __access_ok - -/* * When a kernel-mode page fault is taken, the faulting instruction * address is checked against a table of exception_table_entries. * Each entry is a tuple of the address of an instruction that may |