diff options
Diffstat (limited to 'arch/powerpc/kernel/module_64.c')
| -rw-r--r-- | arch/powerpc/kernel/module_64.c | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/arch/powerpc/kernel/module_64.c b/arch/powerpc/kernel/module_64.c index 0acec12d0985..de317c158f38 100644 --- a/arch/powerpc/kernel/module_64.c +++ b/arch/powerpc/kernel/module_64.c @@ -400,19 +400,9 @@ static unsigned long stub_for_addr(const Elf64_Shdr *sechdrs, } #ifdef CONFIG_MPROFILE_KERNEL -static bool is_mprofile_mcount_callsite(const char *name, u32 *instruction) +static bool is_mprofile_ftrace_call(const char *name) { - if (strcmp("_mcount", name)) - return false; - - /* - * Check if this is one of the -mprofile-kernel sequences. - */ - if (instruction[-1] == PPC_INST_STD_LR && - instruction[-2] == PPC_INST_MFLR) - return true; - - if (instruction[-1] == PPC_INST_MFLR) + if (!strcmp("_mcount", name)) return true; return false; @@ -436,7 +426,7 @@ static void squash_toc_save_inst(const char *name, unsigned long addr) #else static void squash_toc_save_inst(const char *name, unsigned long addr) { } -static bool is_mprofile_mcount_callsite(const char *name, u32 *instruction) +static bool is_mprofile_ftrace_call(const char *name) { return false; } @@ -448,7 +438,7 @@ static int restore_r2(const char *name, u32 *instruction, struct module *me) { u32 *prev_insn = instruction - 1; - if (is_mprofile_mcount_callsite(name, prev_insn)) + if (is_mprofile_ftrace_call(name)) return 1; /* |