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x86/oprofile: moving arch_perfmon counter setup to op_x86_model_spec.init

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The function arch_perfmon_init() in nmi_int.c is model specific. This
patch moves it to op_model_ppro.c by using the init function pointer
in struct op_x86_model_spec.

Cc: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Robert Richter <robert.richter@amd.com>
This commit is contained in:
Robert Richter 2008-10-12 15:12:34 -04:00
parent 849620fab4
commit e419294ed3
3 changed files with 17 additions and 15 deletions
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21
arch/x86/oprofile/nmi_int.c
View file

@ -427,7 +427,7 @@ static int __init ppro_init(char **cpu_type)
*cpu_type = "i386/core_2";
break;
case 26:
arch_perfmon_setup_counters();
model = &op_arch_perfmon_spec;
*cpu_type = "i386/core_i7";
break;
case 28:
@ -442,16 +442,6 @@ static int __init ppro_init(char **cpu_type)
return 1;
}
static int __init arch_perfmon_init(char **cpu_type)
{
if (!cpu_has_arch_perfmon)
return 0;
*cpu_type = "i386/arch_perfmon";
model = &op_arch_perfmon_spec;
arch_perfmon_setup_counters();
return 1;
}
/* in order to get sysfs right */
static int using_nmi;
@ -509,8 +499,15 @@ int __init op_nmi_init(struct oprofile_operations *ops)
break;
}
if (!cpu_type && !arch_perfmon_init(&cpu_type))
if (cpu_type)
break;
if (!cpu_has_arch_perfmon)
return -ENODEV;
/* use arch perfmon as fallback */
cpu_type = "i386/arch_perfmon";
model = &op_arch_perfmon_spec;
break;
default:

9
arch/x86/oprofile/op_model_ppro.c
View file

@ -233,7 +233,7 @@ struct op_x86_model_spec const op_ppro_spec = {
* the specific CPU.
*/
void arch_perfmon_setup_counters(void)
static void arch_perfmon_setup_counters(void)
{
union cpuid10_eax eax;
@ -253,7 +253,14 @@ void arch_perfmon_setup_counters(void)
op_arch_perfmon_spec.num_controls = num_counters;
}
static int arch_perfmon_init(struct oprofile_operations *ignore)
{
arch_perfmon_setup_counters();
return 0;
}
struct op_x86_model_spec op_arch_perfmon_spec = {
.init = &arch_perfmon_init,
/* num_counters/num_controls filled in at runtime */
.fill_in_addresses = &ppro_fill_in_addresses,
/* user space does the cpuid check for available events */

2
arch/x86/oprofile/op_x86_model.h
View file

@ -51,6 +51,4 @@ extern struct op_x86_model_spec const op_p4_ht2_spec;
extern struct op_x86_model_spec const op_amd_spec;
extern struct op_x86_model_spec op_arch_perfmon_spec;
extern void arch_perfmon_setup_counters(void);
#endif /* OP_X86_MODEL_H */