Loading arch/powerpc/include/asm/extable.h 0 → 100644 +29 −0 Original line number Diff line number Diff line #ifndef _ARCH_POWERPC_EXTABLE_H #define _ARCH_POWERPC_EXTABLE_H /* * The exception table consists of pairs of relative 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. */ #define ARCH_HAS_RELATIVE_EXTABLE struct exception_table_entry { int insn; int fixup; }; static inline unsigned long extable_fixup(const struct exception_table_entry *x) { return (unsigned long)&x->fixup + x->fixup; } #endif arch/powerpc/include/asm/uaccess.h +1 −25 Original line number Diff line number Diff line Loading @@ -5,6 +5,7 @@ #include <asm/ppc_asm.h> #include <asm/processor.h> #include <asm/page.h> #include <asm/extable.h> /* * The fs value determines whether argument validity checking should be Loading Loading @@ -55,31 +56,6 @@ (__chk_user_ptr(addr), \ __access_ok((__force unsigned long)(addr), (size), get_fs())) /* * The exception table consists of pairs of relative 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. */ #define ARCH_HAS_RELATIVE_EXTABLE struct exception_table_entry { int insn; int fixup; }; static inline unsigned long extable_fixup(const struct exception_table_entry *x) { return (unsigned long)&x->fixup + x->fixup; } /* * These are the main single-value transfer routines. They automatically * use the right size if we just have the right pointer type. Loading Loading
arch/powerpc/include/asm/extable.h 0 → 100644 +29 −0 Original line number Diff line number Diff line #ifndef _ARCH_POWERPC_EXTABLE_H #define _ARCH_POWERPC_EXTABLE_H /* * The exception table consists of pairs of relative 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. */ #define ARCH_HAS_RELATIVE_EXTABLE struct exception_table_entry { int insn; int fixup; }; static inline unsigned long extable_fixup(const struct exception_table_entry *x) { return (unsigned long)&x->fixup + x->fixup; } #endif
arch/powerpc/include/asm/uaccess.h +1 −25 Original line number Diff line number Diff line Loading @@ -5,6 +5,7 @@ #include <asm/ppc_asm.h> #include <asm/processor.h> #include <asm/page.h> #include <asm/extable.h> /* * The fs value determines whether argument validity checking should be Loading Loading @@ -55,31 +56,6 @@ (__chk_user_ptr(addr), \ __access_ok((__force unsigned long)(addr), (size), get_fs())) /* * The exception table consists of pairs of relative 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. */ #define ARCH_HAS_RELATIVE_EXTABLE struct exception_table_entry { int insn; int fixup; }; static inline unsigned long extable_fixup(const struct exception_table_entry *x) { return (unsigned long)&x->fixup + x->fixup; } /* * These are the main single-value transfer routines. They automatically * use the right size if we just have the right pointer type. Loading
Al Viro <viro@zeniv.linux.org.uk>Al Viro <viro@zeniv.linux.org.uk>