Loading arch/s390/include/asm/extable.h 0 → 100644 +28 −0 Original line number Diff line number Diff line #ifndef __S390_EXTABLE_H #define __S390_EXTABLE_H /* * 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 #endif arch/s390/include/asm/uaccess.h +1 −25 Original line number Diff line number Diff line Loading @@ -14,6 +14,7 @@ */ #include <asm/processor.h> #include <asm/ctl_reg.h> #include <asm/extable.h> /* Loading Loading @@ -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. Loading Loading
arch/s390/include/asm/extable.h 0 → 100644 +28 −0 Original line number Diff line number Diff line #ifndef __S390_EXTABLE_H #define __S390_EXTABLE_H /* * 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 #endif
arch/s390/include/asm/uaccess.h +1 −25 Original line number Diff line number Diff line Loading @@ -14,6 +14,7 @@ */ #include <asm/processor.h> #include <asm/ctl_reg.h> #include <asm/extable.h> /* Loading Loading @@ -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. Loading
Al Viro <viro@zeniv.linux.org.uk>Al Viro <viro@zeniv.linux.org.uk>