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schedule: use per_cpu idle object 

To support full context switch scheduling, each physical
CPU must have its own idle sched_obj.

Tracked-On: #2394
Signed-off-by: Jason Chen CJ <jason.cj.chen@intel.com>
Acked-by: Xu, Anthony <anthony.xu@intel.com>
This commit is contained in:
Jason Chen CJ 2019-01-18 13:50:21 +08:00 committed by wenlingz
parent 5e94788689
commit 21092e6f6d
2 changed files with 7 additions and 9 deletions
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15
hypervisor/common/schedule.c
View File

@ -8,7 +8,6 @@
#include <schedule.h>
static uint64_t pcpu_used_bitmap;
static struct sched_object idle;
void init_scheduler(void)
{
@ -191,7 +190,7 @@ void schedule(void)
release_schedule_lock(pcpu_id);
if (next == NULL) {
next = &idle;
next = &get_cpu_var(idle);
}
switch_to(next);
@ -202,15 +201,13 @@ void schedule(void)
void switch_to_idle(run_thread_t idle_thread)
{
uint16_t pcpu_id = get_cpu_id();
struct sched_object *idle = &get_cpu_var(idle);
if (pcpu_id == BOOT_CPU_ID) {
idle.thread = idle_thread;
idle.prepare_switch_out = NULL;
idle.prepare_switch_in = NULL;
}
idle->thread = idle_thread;
idle->prepare_switch_out = NULL;
idle->prepare_switch_in = NULL;
if (idle_thread != NULL) {
idle_thread(&idle);
idle_thread(idle);
}
}

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

@ -39,6 +39,7 @@ struct per_cpu_region {
#endif
struct per_cpu_timers cpu_timers;
struct sched_context sched_ctx;
struct sched_object idle;
struct instr_emul_ctxt g_inst_ctxt;
struct host_gdt gdt;
struct tss_64 tss;