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hv:Change pcpu_active_bitmap to static

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-- Change pcpu_active_bitmap to static, only used in
   cpu.c
-- add get_pcpu_active_bitmap()

Tracked-On: #1842
Signed-off-by: Mingqiang Chi <mingqiang.chi@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
This commit is contained in:
Mingqiang Chi 2018-12-26 14:04:20 +08:00 committed by wenlingz
parent 682824de6d
commit 5c6fe01c87
4 changed files with 13 additions and 7 deletions
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8
hypervisor/arch/x86/cpu.c
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@ -20,7 +20,7 @@ static uint16_t up_count = 0U;
static uint64_t startup_paddr = 0UL;
/* physical cpu active bitmap, support up to 64 cpus */
uint64_t pcpu_active_bitmap = 0UL;
static uint64_t pcpu_active_bitmap = 0UL;
static void cpu_xsave_init(void);
static void set_current_cpu_id(uint16_t pcpu_id);
@ -77,6 +77,12 @@ bool is_pcpu_active(uint16_t pcpu_id)
{
return bitmap_test(pcpu_id, &pcpu_active_bitmap);
}
uint64_t get_active_pcpu_bitmap(void)
{
return pcpu_active_bitmap;
}
void init_cpu_pre(uint16_t pcpu_id_args)
{
uint16_t pcpu_id = pcpu_id_args;

10
hypervisor/debug/profiling.c
View File

@ -747,7 +747,7 @@ static void profiling_start_pmu(void)
per_cpu(profiling_info.sep_state, i).pmu_state = PMU_RUNNING;
}
smp_call_function(pcpu_active_bitmap, profiling_ipi_handler, NULL);
smp_call_function(get_active_pcpu_bitmap(), profiling_ipi_handler, NULL);
in_pmu_profiling = true;
@ -798,7 +798,7 @@ static void profiling_stop_pmu(void)
per_cpu(profiling_info.sep_state, i).nofrozen_pmi = 0U;
}
smp_call_function(pcpu_active_bitmap, profiling_ipi_handler, NULL);
smp_call_function(get_active_pcpu_bitmap(), profiling_ipi_handler, NULL);
in_pmu_profiling = false;
@ -831,7 +831,7 @@ int32_t profiling_msr_ops_all_cpus(struct acrn_vm *vm, uint64_t addr)
per_cpu(profiling_info.msr_node, i) = &(msr_list[i]);
}
smp_call_function(pcpu_active_bitmap, profiling_ipi_handler, NULL);
smp_call_function(get_active_pcpu_bitmap(), profiling_ipi_handler, NULL);
if (copy_to_gpa(vm, &msr_list, addr, sizeof(msr_list)) != 0) {
pr_err("%s: Unable to copy addr from vm\n", __func__);
@ -1163,7 +1163,7 @@ int32_t profiling_configure_pmi(struct acrn_vm *vm, uint64_t addr)
sizeof(struct profiling_msr_op)*MAX_MSR_LIST_NUM*MAX_GROUP_NUM);
}
smp_call_function(pcpu_active_bitmap, profiling_ipi_handler, NULL);
smp_call_function(get_active_pcpu_bitmap(), profiling_ipi_handler, NULL);
if (copy_to_gpa(vm, &pmi_config, addr, sizeof(pmi_config)) != 0) {
pr_err("%s: Unable to copy addr to vm\n", __func__);
@ -1217,7 +1217,7 @@ int32_t profiling_configure_vmsw(struct acrn_vm *vm, uint64_t addr)
sizeof(struct profiling_msr_op)*MAX_MSR_LIST_NUM);
}
smp_call_function(pcpu_active_bitmap, profiling_ipi_handler, NULL);
smp_call_function(get_active_pcpu_bitmap(), profiling_ipi_handler, NULL);
break;
case COLLECT_POWER_DATA:

1
hypervisor/include/arch/x86/cpu.h
View File

@ -464,6 +464,7 @@ static inline void clac(void)
uint16_t get_pcpu_nums(void);
bool is_pcpu_active(uint16_t pcpu_id);
uint64_t get_active_pcpu_bitmap(void);
#else /* ASSEMBLER defined */
#endif /* ASSEMBLER defined */

1
hypervisor/include/arch/x86/per_cpu.h
View File

@ -56,7 +56,6 @@ struct per_cpu_region {
} __aligned(PAGE_SIZE); /* per_cpu_region size aligned with PAGE_SIZE */
extern struct per_cpu_region per_cpu_data[];
extern uint64_t pcpu_active_bitmap;
/*
* get percpu data for pcpu_id.
*/