diff options
Diffstat (limited to 'arch/ia64/oprofile')
| -rw-r--r-- | arch/ia64/oprofile/Kconfig | 20 | ||||
| -rw-r--r-- | arch/ia64/oprofile/backtrace.c | 23 | ||||
| -rw-r--r-- | arch/ia64/oprofile/init.c | 4 | ||||
| -rw-r--r-- | arch/ia64/oprofile/perfmon.c | 4 |
4 files changed, 6 insertions, 45 deletions
diff --git a/arch/ia64/oprofile/Kconfig b/arch/ia64/oprofile/Kconfig deleted file mode 100644 index 97271ab484d..00000000000 --- a/arch/ia64/oprofile/Kconfig +++ /dev/null @@ -1,20 +0,0 @@ -config PROFILING - bool "Profiling support (EXPERIMENTAL)" - help - Say Y here to enable the extended profiling support mechanisms used - by profilers such as OProfile. - -config OPROFILE - tristate "OProfile system profiling (EXPERIMENTAL)" - depends on PROFILING - help - OProfile is a profiling system capable of profiling the - whole system, include the kernel, kernel modules, libraries, - and applications. - - Due to firmware bugs, you may need to use the "nohalt" boot - option if you're using OProfile with the hardware performance - counters. - - If unsure, say N. - diff --git a/arch/ia64/oprofile/backtrace.c b/arch/ia64/oprofile/backtrace.c index adb01566bd5..6a219a94605 100644 --- a/arch/ia64/oprofile/backtrace.c +++ b/arch/ia64/oprofile/backtrace.c @@ -14,7 +14,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <asm/ptrace.h> -#include <asm/system.h> /* * For IA64 we need to perform a complex little dance to get both @@ -29,27 +28,9 @@ typedef struct unsigned int depth; struct pt_regs *regs; struct unw_frame_info frame; - u64 *prev_pfs_loc; /* state for WAR for old spinlock ool code */ + unsigned long *prev_pfs_loc; /* state for WAR for old spinlock ool code */ } ia64_backtrace_t; -#if (__GNUC__ == 3 && __GNUC_MINOR__ < 3) -/* - * Returns non-zero if the PC is in the spinlock contention out-of-line code - * with non-standard calling sequence (on older compilers). - */ -static __inline__ int in_old_ool_spinlock_code(unsigned long pc) -{ - extern const char ia64_spinlock_contention_pre3_4[] __attribute__ ((weak)); - extern const char ia64_spinlock_contention_pre3_4_end[] __attribute__ ((weak)); - unsigned long sc_start = (unsigned long)ia64_spinlock_contention_pre3_4; - unsigned long sc_end = (unsigned long)ia64_spinlock_contention_pre3_4_end; - return (sc_start && sc_end && pc >= sc_start && pc < sc_end); -} -#else -/* Newer spinlock code does a proper br.call and works fine with the unwinder */ -#define in_old_ool_spinlock_code(pc) 0 -#endif - /* Returns non-zero if the PC is in the Interrupt Vector Table */ static __inline__ int in_ivt_code(unsigned long pc) { @@ -80,7 +61,7 @@ static __inline__ int next_frame(ia64_backtrace_t *bt) */ if (bt->prev_pfs_loc && bt->regs && bt->frame.pfs_loc == bt->prev_pfs_loc) bt->frame.pfs_loc = &bt->regs->ar_pfs; - bt->prev_pfs_loc = (in_old_ool_spinlock_code(bt->frame.ip) ? bt->frame.pfs_loc : NULL); + bt->prev_pfs_loc = NULL; return unw_unwind(&bt->frame) == 0; } diff --git a/arch/ia64/oprofile/init.c b/arch/ia64/oprofile/init.c index 125a602a660..31b545c3546 100644 --- a/arch/ia64/oprofile/init.c +++ b/arch/ia64/oprofile/init.c @@ -12,11 +12,11 @@ #include <linux/init.h> #include <linux/errno.h> -extern int perfmon_init(struct oprofile_operations * ops); +extern int perfmon_init(struct oprofile_operations *ops); extern void perfmon_exit(void); extern void ia64_backtrace(struct pt_regs * const regs, unsigned int depth); -int __init oprofile_arch_init(struct oprofile_operations * ops) +int __init oprofile_arch_init(struct oprofile_operations *ops) { int ret = -ENODEV; diff --git a/arch/ia64/oprofile/perfmon.c b/arch/ia64/oprofile/perfmon.c index bc41dd32fec..192d3e8e1f6 100644 --- a/arch/ia64/oprofile/perfmon.c +++ b/arch/ia64/oprofile/perfmon.c @@ -56,7 +56,7 @@ static pfm_buffer_fmt_t oprofile_fmt = { }; -static char * get_cpu_type(void) +static char *get_cpu_type(void) { __u8 family = local_cpu_data->family; @@ -75,7 +75,7 @@ static char * get_cpu_type(void) static int using_perfmon; -int perfmon_init(struct oprofile_operations * ops) +int perfmon_init(struct oprofile_operations *ops) { int ret = pfm_register_buffer_fmt(&oprofile_fmt); if (ret) |
