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runtime: make StopVM thread-safe

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StopVM can be invoked by multiple threads and needs to be thread-safe

Fixes: #5155

Signed-off-by: Feng Wang <feng.wang@databricks.com>
(cherry picked from commit 5cafe21770)
Signed-off-by: Greg Kurz <groug@kaod.org>
This commit is contained in:
Feng Wang 2022-09-12 21:56:15 -07:00 committed by Greg Kurz
parent fba39ef32d
commit 81801888a2
1 changed files with 4 additions and 0 deletions
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4
src/runtime/virtcontainers/qemu.go
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@ -110,6 +110,8 @@ type qemu struct {
nvdimmCount int
stopped bool
mu sync.Mutex
}
const (
@ -968,6 +970,8 @@ func (q *qemu) waitVM(ctx context.Context, timeout int) error {
// StopVM will stop the Sandbox's VM.
func (q *qemu) StopVM(ctx context.Context, waitOnly bool) error {
q.mu.Lock()
defer q.mu.Unlock()
span, _ := katatrace.Trace(ctx, q.Logger(), "StopVM", qemuTracingTags, map[string]string{"sandbox_id": q.id})
defer span.End()