diff options
| author | Jens Axboe <axboe@kernel.dk> | 2011-10-19 14:30:42 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2011-10-19 14:30:42 +0200 |
| commit | 5c04b426f2e8b46cfc7969a35b2631063a3c646c (patch) | |
| tree | 2d27d9f5d2fe5d5e8fbc01a467ec58bcb50235c1 /arch/mips/kernel/ftrace.c | |
| parent | 499337bb6511e665a236a6a947f819d98ea340c6 (diff) | |
| parent | 899e3ee404961a90b828ad527573aaaac39f0ab1 (diff) | |
Merge branch 'v3.1-rc10' into for-3.2/core
Conflicts:
block/blk-core.c
include/linux/blkdev.h
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'arch/mips/kernel/ftrace.c')
| -rw-r--r-- | arch/mips/kernel/ftrace.c | 39 |
1 files changed, 20 insertions, 19 deletions
diff --git a/arch/mips/kernel/ftrace.c b/arch/mips/kernel/ftrace.c index feb8021a305..6a2d758dd8e 100644 --- a/arch/mips/kernel/ftrace.c +++ b/arch/mips/kernel/ftrace.c @@ -19,6 +19,26 @@ #include <asm-generic/sections.h> +#if defined(KBUILD_MCOUNT_RA_ADDRESS) && defined(CONFIG_32BIT) +#define MCOUNT_OFFSET_INSNS 5 +#else +#define MCOUNT_OFFSET_INSNS 4 +#endif + +/* + * Check if the address is in kernel space + * + * Clone core_kernel_text() from kernel/extable.c, but doesn't call + * init_kernel_text() for Ftrace doesn't trace functions in init sections. + */ +static inline int in_kernel_space(unsigned long ip) +{ + if (ip >= (unsigned long)_stext && + ip <= (unsigned long)_etext) + return 1; + return 0; +} + #ifdef CONFIG_DYNAMIC_FTRACE #define JAL 0x0c000000 /* jump & link: ip --> ra, jump to target */ @@ -54,20 +74,6 @@ static inline void ftrace_dyn_arch_init_insns(void) #endif } -/* - * Check if the address is in kernel space - * - * Clone core_kernel_text() from kernel/extable.c, but doesn't call - * init_kernel_text() for Ftrace doesn't trace functions in init sections. - */ -static inline int in_kernel_space(unsigned long ip) -{ - if (ip >= (unsigned long)_stext && - ip <= (unsigned long)_etext) - return 1; - return 0; -} - static int ftrace_modify_code(unsigned long ip, unsigned int new_code) { int faulted; @@ -112,11 +118,6 @@ static int ftrace_modify_code(unsigned long ip, unsigned int new_code) * 1: offset = 4 instructions */ -#if defined(KBUILD_MCOUNT_RA_ADDRESS) && defined(CONFIG_32BIT) -#define MCOUNT_OFFSET_INSNS 5 -#else -#define MCOUNT_OFFSET_INSNS 4 -#endif #define INSN_B_1F (0x10000000 | MCOUNT_OFFSET_INSNS) int ftrace_make_nop(struct module *mod, |