[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [PATCH v4 07/13] accel-ops: Introduce create_vcpu_thread_precheck / postcheck handlers
From: Philippe Mathieu-Daudé <f4bug@xxxxxxxxx> Introduce precheck/postcheck handlers which will help to refactor code common to the various create_vcpu_thread() implementations. Signed-off-by: Philippe Mathieu-Daudé <f4bug@xxxxxxxxx> --- include/sysemu/accel-ops.h | 4 ++++ softmmu/cpus.c | 8 +++++++- 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/include/sysemu/accel-ops.h b/include/sysemu/accel-ops.h index 6013c9444c..26b542d35c 100644 --- a/include/sysemu/accel-ops.h +++ b/include/sysemu/accel-ops.h @@ -31,6 +31,10 @@ struct AccelOpsClass { bool (*cpus_are_resettable)(void); void (*create_vcpu_thread)(CPUState *cpu); /* MANDATORY NON-NULL */ + /* If non-NULL, return whether common vCPU thread must be created */ + bool (*create_vcpu_thread_precheck)(CPUState *cpu); + void (*create_vcpu_thread_postcheck)(CPUState *cpu); + void (*kick_vcpu_thread)(CPUState *cpu); bool (*cpu_thread_is_idle)(CPUState *cpu); diff --git a/softmmu/cpus.c b/softmmu/cpus.c index 7b75bb66d5..857e2081ba 100644 --- a/softmmu/cpus.c +++ b/softmmu/cpus.c @@ -637,7 +637,13 @@ void qemu_init_vcpu(CPUState *cpu) /* accelerators all implement the AccelOpsClass */ g_assert(cpus_accel != NULL && cpus_accel->create_vcpu_thread != NULL); - cpus_accel->create_vcpu_thread(cpu); + if (cpus_accel->create_vcpu_thread_precheck == NULL + || cpus_accel->create_vcpu_thread_precheck(cpu)) { + cpus_accel->create_vcpu_thread(cpu); + } + if (cpus_accel->create_vcpu_thread_postcheck) { + cpus_accel->create_vcpu_thread_postcheck(cpu); + } while (!cpu->created) { qemu_cond_wait(&qemu_cpu_cond, &qemu_global_mutex); -- 2.35.1
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