diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/oprofile/nmi_int.c | 52 |
1 files changed, 24 insertions, 28 deletions
diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c index b1edfc922e7..f38c5cf0fdb 100644 --- a/arch/x86/oprofile/nmi_int.c +++ b/arch/x86/oprofile/nmi_int.c @@ -147,6 +147,30 @@ static void nmi_cpu_setup_mux(int cpu, struct op_msrs const * const msrs) per_cpu(switch_index, cpu) = 0; } +static void nmi_cpu_save_mpx_registers(struct op_msrs *msrs) +{ + struct op_msr *multiplex = msrs->multiplex; + int i; + + for (i = 0; i < model->num_counters; ++i) { + int virt = op_x86_phys_to_virt(i); + if (multiplex[virt].addr) + rdmsrl(multiplex[virt].addr, multiplex[virt].saved); + } +} + +static void nmi_cpu_restore_mpx_registers(struct op_msrs *msrs) +{ + struct op_msr *multiplex = msrs->multiplex; + int i; + + for (i = 0; i < model->num_counters; ++i) { + int virt = op_x86_phys_to_virt(i); + if (multiplex[virt].addr) + wrmsrl(multiplex[virt].addr, multiplex[virt].saved); + } +} + #else inline int op_x86_phys_to_virt(int phys) { return phys; } @@ -252,34 +276,6 @@ static int nmi_setup(void) return 0; } -#ifdef CONFIG_OPROFILE_EVENT_MULTIPLEX - -static void nmi_cpu_save_mpx_registers(struct op_msrs *msrs) -{ - struct op_msr *multiplex = msrs->multiplex; - int i; - - for (i = 0; i < model->num_counters; ++i) { - int virt = op_x86_phys_to_virt(i); - if (multiplex[virt].addr) - rdmsrl(multiplex[virt].addr, multiplex[virt].saved); - } -} - -static void nmi_cpu_restore_mpx_registers(struct op_msrs *msrs) -{ - struct op_msr *multiplex = msrs->multiplex; - int i; - - for (i = 0; i < model->num_counters; ++i) { - int virt = op_x86_phys_to_virt(i); - if (multiplex[virt].addr) - wrmsrl(multiplex[virt].addr, multiplex[virt].saved); - } -} - -#endif - static void nmi_cpu_restore_registers(struct op_msrs *msrs) { struct op_msr *counters = msrs->counters; |