diff options
Diffstat (limited to 'arch/s390/include/asm/uaccess.h')
| -rw-r--r-- | arch/s390/include/asm/uaccess.h | 26 |
1 files changed, 1 insertions, 25 deletions
diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h index 7228ed8da67d..29f5bf24e5fa 100644 --- a/arch/s390/include/asm/uaccess.h +++ b/arch/s390/include/asm/uaccess.h @@ -14,6 +14,7 @@ */ #include <asm/processor.h> #include <asm/ctl_reg.h> +#include <asm/extable.h> /* @@ -59,31 +60,6 @@ static inline int __range_ok(unsigned long addr, unsigned long size) #define access_ok(type, addr, size) __access_ok(addr, size) -/* - * The exception table consists of pairs of addresses: the first is the - * address of an instruction that is allowed to fault, and the second is - * the address at which the program should continue. No registers are - * modified, so it is entirely up to the continuation code to figure out - * what to do. - * - * All the routines below use bits of fixup code that are out of line - * with the main instruction path. This means when everything is well, - * we don't even have to jump over them. Further, they do not intrude - * on our cache or tlb entries. - */ - -struct exception_table_entry -{ - int insn, fixup; -}; - -static inline unsigned long extable_fixup(const struct exception_table_entry *x) -{ - return (unsigned long)&x->fixup + x->fixup; -} - -#define ARCH_HAS_RELATIVE_EXTABLE - /** * __copy_from_user: - Copy a block of data from user space, with less checking. * @to: Destination address, in kernel space. |