diff options
author | Sergey Fedorov <serge.fdrv@gmail.com> | 2016-08-02 18:27:34 +0100 |
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committer | Paolo Bonzini <pbonzini@redhat.com> | 2016-09-27 11:57:29 +0200 |
commit | fd38b25103ad9e3b51862424074d4eef75975623 (patch) | |
tree | ab29c6eae12c965e131a7b265994ccc940c96260 /cpus.c | |
parent | e0eeb4a21a3ca4b296220ce4449d8acef9de9049 (diff) | |
download | qemu-fd38b25103ad9e3b51862424074d4eef75975623.zip qemu-fd38b25103ad9e3b51862424074d4eef75975623.tar.gz qemu-fd38b25103ad9e3b51862424074d4eef75975623.tar.bz2 |
cpus: Move common code out of {async_, }run_on_cpu()
Move the code common between run_on_cpu() and async_run_on_cpu() into a
new function queue_work_on_cpu().
Signed-off-by: Sergey Fedorov <serge.fdrv@gmail.com>
Signed-off-by: Sergey Fedorov <sergey.fedorov@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <1470158864-17651-4-git-send-email-alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'cpus.c')
-rw-r--r-- | cpus.c | 42 |
1 files changed, 18 insertions, 24 deletions
@@ -916,6 +916,22 @@ void qemu_init_cpu_loop(void) qemu_thread_get_self(&io_thread); } +static void queue_work_on_cpu(CPUState *cpu, struct qemu_work_item *wi) +{ + qemu_mutex_lock(&cpu->work_mutex); + if (cpu->queued_work_first == NULL) { + cpu->queued_work_first = wi; + } else { + cpu->queued_work_last->next = wi; + } + cpu->queued_work_last = wi; + wi->next = NULL; + wi->done = false; + qemu_mutex_unlock(&cpu->work_mutex); + + qemu_cpu_kick(cpu); +} + void run_on_cpu(CPUState *cpu, run_on_cpu_func func, void *data) { struct qemu_work_item wi; @@ -929,18 +945,7 @@ void run_on_cpu(CPUState *cpu, run_on_cpu_func func, void *data) wi.data = data; wi.free = false; - qemu_mutex_lock(&cpu->work_mutex); - if (cpu->queued_work_first == NULL) { - cpu->queued_work_first = &wi; - } else { - cpu->queued_work_last->next = &wi; - } - cpu->queued_work_last = &wi; - wi.next = NULL; - wi.done = false; - qemu_mutex_unlock(&cpu->work_mutex); - - qemu_cpu_kick(cpu); + queue_work_on_cpu(cpu, &wi); while (!atomic_mb_read(&wi.done)) { CPUState *self_cpu = current_cpu; @@ -963,18 +968,7 @@ void async_run_on_cpu(CPUState *cpu, run_on_cpu_func func, void *data) wi->data = data; wi->free = true; - qemu_mutex_lock(&cpu->work_mutex); - if (cpu->queued_work_first == NULL) { - cpu->queued_work_first = wi; - } else { - cpu->queued_work_last->next = wi; - } - cpu->queued_work_last = wi; - wi->next = NULL; - wi->done = false; - qemu_mutex_unlock(&cpu->work_mutex); - - qemu_cpu_kick(cpu); + queue_work_on_cpu(cpu, wi); } static void qemu_kvm_destroy_vcpu(CPUState *cpu) |