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From: Marcelo Tosatti <mtosatti@redhat.com>
To: kvm@vger.kernel.org, qemu-devel@nongnu.org
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Subject: [Qemu-devel] [patch uq/master 3/9] standardize on qemu_cpu_kick for signalling cpu thread(s)
Date: Tue, 04 May 2010 09:45:21 -0300	[thread overview]
Message-ID: <20100504124634.283705416@redhat.com> (raw)
In-Reply-To: 20100504124518.979470863@redhat.com

[-- Attachment #1: ipi-on-cpu-kick --]
[-- Type: text/plain, Size: 1267 bytes --]

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

Index: qemu/cpus.c
===================================================================
--- qemu.orig/cpus.c
+++ qemu/cpus.c
@@ -454,8 +454,7 @@ void qemu_cpu_kick(void *_env)
 {
     CPUState *env = _env;
     qemu_cond_broadcast(env->halt_cond);
-    if (kvm_enabled())
-        qemu_thread_signal(env->thread, SIG_IPI);
+    qemu_thread_signal(env->thread, SIG_IPI);
 }
 
 int qemu_cpu_self(void *_env)
@@ -583,7 +582,6 @@ void pause_all_vcpus(void)
 
     while (penv) {
         penv->stop = 1;
-        qemu_thread_signal(penv->thread, SIG_IPI);
         qemu_cpu_kick(penv);
         penv = (CPUState *)penv->next_cpu;
     }
@@ -592,7 +590,7 @@ void pause_all_vcpus(void)
         qemu_cond_timedwait(&qemu_pause_cond, &qemu_global_mutex, 100);
         penv = first_cpu;
         while (penv) {
-            qemu_thread_signal(penv->thread, SIG_IPI);
+            qemu_cpu_kick(penv);
             penv = (CPUState *)penv->next_cpu;
         }
     }
@@ -605,7 +603,6 @@ void resume_all_vcpus(void)
     while (penv) {
         penv->stop = 0;
         penv->stopped = 0;
-        qemu_thread_signal(penv->thread, SIG_IPI);
         qemu_cpu_kick(penv);
         penv = (CPUState *)penv->next_cpu;
     }

  parent reply	other threads:[~2010-05-04 13:49 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-04 12:45 [Qemu-devel] [patch uq/master 0/9] enable smp > 1 and related fixes Marcelo Tosatti
2010-05-04 12:45 ` [Qemu-devel] [patch uq/master 1/9] kvm: set cpu_single_env around KVM_RUN ioctl Marcelo Tosatti
2010-05-04 12:45 ` [Qemu-devel] [patch uq/master 2/9] make SIG_IPI to tcg vcpu thread reliable Marcelo Tosatti
2010-05-04 12:45 ` Marcelo Tosatti [this message]
2010-05-04 12:45 ` [Qemu-devel] [patch uq/master 4/9] port qemu-kvm's on_vcpu code Marcelo Tosatti
2010-05-04 12:45 ` [Qemu-devel] [patch uq/master 5/9] kvm: synchronize state from cpu context Marcelo Tosatti
2010-05-06 11:31   ` [Qemu-devel] " Avi Kivity
2010-05-04 12:45 ` [Qemu-devel] [patch uq/master 6/9] add cpu_is_stopped helper Marcelo Tosatti
2010-05-04 12:45 ` [Qemu-devel] [patch uq/master 7/9] move stop/stopped CPU_COMMON fields after area zeroed by reset Marcelo Tosatti
2010-05-04 12:45 ` [Qemu-devel] [patch uq/master 8/9] kvm: validate context for kvm cpu get/put operations Marcelo Tosatti
2010-05-04 12:45 ` [Qemu-devel] [patch uq/master 9/9] kvm: enable smp > 1 Marcelo Tosatti
2010-05-05 18:24 ` [Qemu-devel] Re: [patch uq/master 0/9] enable smp > 1 and related fixes Anthony Liguori
2010-05-06 11:33   ` Avi Kivity
2010-05-06 11:34 ` Avi Kivity

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