Message ID | 0ae314c71742cebc1f25053e42d6d5c5392291a8.1294648329.git.jan.kiszka@web.de |
---|---|
State | New |
Headers | show |
On Mon, Jan 10, 2011 at 09:32:04AM +0100, Jan Kiszka wrote: > From: Jan Kiszka <jan.kiszka@siemens.com> > > Introduce qemu_cpu_kick_self to send SIG_IPI to the calling VCPU > context. First user will be kvm. > > Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> For the updated patch, can't see where thread_kicked is cleared.
On 2011-01-24 12:47, Marcelo Tosatti wrote: > On Mon, Jan 10, 2011 at 09:32:04AM +0100, Jan Kiszka wrote: >> From: Jan Kiszka <jan.kiszka@siemens.com> >> >> Introduce qemu_cpu_kick_self to send SIG_IPI to the calling VCPU >> context. First user will be kvm. >> >> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> > > For the updated patch, can't see where thread_kicked is cleared. > "Prevent abortion on multiple VCPU kicks", 6 patches earlier (assuming you are hopefully looking at the patch queue in my git, not some older postings). Jan
diff --git a/cpus.c b/cpus.c index 89b4bd7..4a4d130 100644 --- a/cpus.c +++ b/cpus.c @@ -450,7 +450,17 @@ void pause_all_vcpus(void) void qemu_cpu_kick(void *env) { - return; +} + +void qemu_cpu_kick_self(void) +{ +#ifndef _WIN32 + assert(cpu_single_env); + + raise(SIG_IPI); +#else + abort(); +#endif } void qemu_notify_event(void) @@ -789,6 +799,13 @@ void qemu_cpu_kick(void *_env) qemu_thread_signal(env->thread, SIG_IPI); } +void qemu_cpu_kick_self(void) +{ + assert(cpu_single_env); + + qemu_thread_signal(cpu_single_env->thread, SIG_IPI); +} + int qemu_cpu_self(void *_env) { CPUState *env = _env; diff --git a/qemu-common.h b/qemu-common.h index 63d9943..220c8c8 100644 --- a/qemu-common.h +++ b/qemu-common.h @@ -287,6 +287,7 @@ void qemu_notify_event(void); /* Unblock cpu */ void qemu_cpu_kick(void *env); +void qemu_cpu_kick_self(void); int qemu_cpu_self(void *env); /* work queue */