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HV: remove one lock for ctx->flags operation.

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for ctx->flags is protected by scheduler lock, so not need
to set lock again.

Tracked-On: #3130

Signed-off-by: Minggui Cao <minggui.cao@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Minggui Cao 2019-05-16 15:01:12 +08:00 committed by ACRN System Integration
parent fc1cbebe31
commit 9b7dee90a6
1 changed files with 2 additions and 2 deletions
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4
hypervisor/common/schedule.c
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@ -112,7 +112,7 @@ void make_reschedule_request(uint16_t pcpu_id, uint16_t delmode)
{ {
struct sched_context *ctx = &per_cpu(sched_ctx, pcpu_id); struct sched_context *ctx = &per_cpu(sched_ctx, pcpu_id);
bitmap_set_lock(NEED_RESCHEDULE, &ctx->flags); bitmap_set_nolock(NEED_RESCHEDULE, &ctx->flags);
if (get_pcpu_id() != pcpu_id) { if (get_pcpu_id() != pcpu_id) {
switch (delmode) { switch (delmode) {
case DEL_MODE_IPI: case DEL_MODE_IPI:
@ -192,7 +192,7 @@ void schedule(void)
get_schedule_lock(pcpu_id); get_schedule_lock(pcpu_id);
next = get_next_sched_obj(ctx); next = get_next_sched_obj(ctx);
bitmap_clear_lock(NEED_RESCHEDULE, &ctx->flags); bitmap_clear_nolock(NEED_RESCHEDULE, &ctx->flags);
if (prev == next) { if (prev == next) {
release_schedule_lock(pcpu_id); release_schedule_lock(pcpu_id);