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X-Received-From: 2a00:1450:400c:c09::241 Subject: [Qemu-devel] [PULL 30/47] cpus: hax: register/unregister thread with RCU, exit loop on unplug X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Paolo Bonzini --- cpus.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/cpus.c b/cpus.c index 2cb0af9..08a8462 100644 --- a/cpus.c +++ b/cpus.c @@ -1473,6 +1473,7 @@ static void *qemu_hax_cpu_thread_fn(void *arg) CPUState *cpu =3D arg; int r; =20 + rcu_register_thread(); qemu_mutex_lock_iothread(); qemu_thread_get_self(cpu->thread); =20 @@ -1484,7 +1485,7 @@ static void *qemu_hax_cpu_thread_fn(void *arg) hax_init_vcpu(cpu); qemu_cond_signal(&qemu_cpu_cond); =20 - while (1) { + do { if (cpu_can_run(cpu)) { r =3D hax_smp_cpu_exec(cpu); if (r =3D=3D EXCP_DEBUG) { @@ -1493,7 +1494,8 @@ static void *qemu_hax_cpu_thread_fn(void *arg) } =20 qemu_wait_io_event(cpu); - } + } while (!cpu->unplug || cpu_can_run(cpu)); + rcu_unregister_thread(); return NULL; } =20 --=20 1.8.3.1