| Message ID | 1492069906-11300-1-git-send-email-bharata@linux.vnet.ibm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Thu, Apr 13, 2017 at 01:21:46PM +0530, Bharata B Rao wrote: > Ensure that the unplugged CPU thread is destroyed and the waiting > thread is notified about it. This is needed for CPU unplug to work > correctly in MTTCG mode. > > Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com> Applied to ppc-for-2.10, thanks. > --- > cpus.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/cpus.c b/cpus.c > index 740b8dc..79f780b 100644 > --- a/cpus.c > +++ b/cpus.c > @@ -1483,6 +1483,12 @@ static void *qemu_tcg_cpu_thread_fn(void *arg) > /* Ignore everything else? */ > break; > } > + } else if (cpu->unplug) { > + qemu_tcg_destroy_vcpu(cpu); > + cpu->created = false; > + qemu_cond_signal(&qemu_cpu_cond); > + qemu_mutex_unlock_iothread(); > + return NULL; > } > > atomic_mb_set(&cpu->exit_request, 0);
diff --git a/cpus.c b/cpus.c index 740b8dc..79f780b 100644 --- a/cpus.c +++ b/cpus.c @@ -1483,6 +1483,12 @@ static void *qemu_tcg_cpu_thread_fn(void *arg) /* Ignore everything else? */ break; } + } else if (cpu->unplug) { + qemu_tcg_destroy_vcpu(cpu); + cpu->created = false; + qemu_cond_signal(&qemu_cpu_cond); + qemu_mutex_unlock_iothread(); + return NULL; } atomic_mb_set(&cpu->exit_request, 0);
Ensure that the unplugged CPU thread is destroyed and the waiting thread is notified about it. This is needed for CPU unplug to work correctly in MTTCG mode. Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com> --- cpus.c | 6 ++++++ 1 file changed, 6 insertions(+)