From: David Hildenbrand <dahi@linux.vnet.ibm.com>
Date: Thu, 28 Aug 2014 11:58:51 +0000 (+0200)
Subject: s390x/kvm: execute "system reset" cpu resets on the vcpu thread
X-Git-Tag: Tizen_Studio_1.3_Release_p2.3.2~209^2~632^2~16
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1fad8b3be32c2e91acbd55f2b0af57ed0723b1bb;p=sdk%2Femulator%2Fqemu.git

s390x/kvm: execute "system reset" cpu resets on the vcpu thread

Let's execute resets triggered by qemu system resets on the target vcpu thread.
This will avoid synchronize_rcu's in the kernel.

Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
---

diff --git a/target-s390x/cpu.c b/target-s390x/cpu.c
index c3082b73c5..4633282764 100644
--- a/target-s390x/cpu.c
+++ b/target-s390x/cpu.c
@@ -165,7 +165,7 @@ static void s390_cpu_machine_reset_cb(void *opaque)
 {
     S390CPU *cpu = opaque;
 
-    cpu_reset(CPU(cpu));
+    run_on_cpu(CPU(cpu), s390_do_cpu_full_reset, CPU(cpu));
 }
 #endif