diff options
Diffstat (limited to 'arch/ia64')
-rw-r--r-- | arch/ia64/Kconfig | 1 | ||||
-rw-r--r-- | arch/ia64/include/asm/elf.h | 2 | ||||
-rw-r--r-- | arch/ia64/include/asm/sections.h | 24 | ||||
-rw-r--r-- | arch/ia64/kernel/module.c | 6 |
4 files changed, 8 insertions, 25 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index b2317324827f..cb93769a9f2a 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -36,6 +36,7 @@ config IA64 select HAVE_SETUP_PER_CPU_AREA select TTY select HAVE_ARCH_TRACEHOOK + select HAVE_FUNCTION_DESCRIPTORS select HAVE_VIRT_CPU_ACCOUNTING select HUGETLB_PAGE_SIZE_VARIABLE if HUGETLB_PAGE select VIRT_TO_BUS diff --git a/arch/ia64/include/asm/elf.h b/arch/ia64/include/asm/elf.h index 6629301a2620..2ef5f9966ad1 100644 --- a/arch/ia64/include/asm/elf.h +++ b/arch/ia64/include/asm/elf.h @@ -226,7 +226,7 @@ struct got_entry { * Layout of the Function Descriptor */ struct fdesc { - uint64_t ip; + uint64_t addr; uint64_t gp; }; diff --git a/arch/ia64/include/asm/sections.h b/arch/ia64/include/asm/sections.h index 3a033d2008b3..8e0875cf6071 100644 --- a/arch/ia64/include/asm/sections.h +++ b/arch/ia64/include/asm/sections.h @@ -9,6 +9,9 @@ #include <linux/elf.h> #include <linux/uaccess.h> + +typedef struct fdesc func_desc_t; + #include <asm-generic/sections.h> extern char __phys_per_cpu_start[]; @@ -27,25 +30,4 @@ extern char __start_gate_brl_fsys_bubble_down_patchlist[], __end_gate_brl_fsys_b extern char __start_unwind[], __end_unwind[]; extern char __start_ivt_text[], __end_ivt_text[]; -#define HAVE_DEREFERENCE_FUNCTION_DESCRIPTOR 1 - -#undef dereference_function_descriptor -static inline void *dereference_function_descriptor(void *ptr) -{ - struct fdesc *desc = ptr; - void *p; - - if (!get_kernel_nofault(p, (void *)&desc->ip)) - ptr = p; - return ptr; -} - -#undef dereference_kernel_function_descriptor -static inline void *dereference_kernel_function_descriptor(void *ptr) -{ - if (ptr < (void *)__start_opd || ptr >= (void *)__end_opd) - return ptr; - return dereference_function_descriptor(ptr); -} - #endif /* _ASM_IA64_SECTIONS_H */ diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c index 360f36b0eb3f..8f62cf97f691 100644 --- a/arch/ia64/kernel/module.c +++ b/arch/ia64/kernel/module.c @@ -602,15 +602,15 @@ get_fdesc (struct module *mod, uint64_t value, int *okp) return value; /* Look for existing function descriptor. */ - while (fdesc->ip) { - if (fdesc->ip == value) + while (fdesc->addr) { + if (fdesc->addr == value) return (uint64_t)fdesc; if ((uint64_t) ++fdesc >= mod->arch.opd->sh_addr + mod->arch.opd->sh_size) BUG(); } /* Create new one */ - fdesc->ip = value; + fdesc->addr = value; fdesc->gp = mod->arch.gp; return (uint64_t) fdesc; } |