From: Marcelo Tosatti <mtosatti@redhat.com>
To: kvm@vger.kernel.org
Cc: avi@redhat.com, Marcelo Tosatti <mtosatti@redhat.com>
Subject: [patch uq/master 4/4] qemu: kvm: remove pre-entry exit_request check with iothread enabled
Date: Wed, 17 Feb 2010 20:14:43 -0200 [thread overview]
Message-ID: <20100217221701.179465472@redhat.com> (raw)
In-Reply-To: 20100217221439.351652889@redhat.com
[-- Attachment #1: kvm-vcpu-loop-exit-request --]
[-- Type: text/plain, Size: 625 bytes --]
With SIG_IPI blocked vcpu loop exit notification happens via -EAGAIN
from KVM_RUN.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Index: qemu/kvm-all.c
===================================================================
--- qemu.orig/kvm-all.c
+++ qemu/kvm-all.c
@@ -753,11 +753,13 @@ int kvm_cpu_exec(CPUState *env)
dprintf("kvm_cpu_exec()\n");
do {
+#ifndef CONFIG_IOTHREAD
if (env->exit_request) {
dprintf("interrupt exit requested\n");
ret = 0;
break;
}
+#endif
if (env->kvm_vcpu_dirty) {
kvm_arch_put_registers(env);
WARNING: multiple messages have this Message-ID (diff)
From: Marcelo Tosatti <mtosatti@redhat.com>
To: kvm@vger.kernel.org, qemu-devel@nongnu.org
Cc: Marcelo Tosatti <mtosatti@redhat.com>, avi@redhat.com
Subject: [Qemu-devel] [patch uq/master 4/4] qemu: kvm: remove pre-entry exit_request check with iothread enabled
Date: Wed, 17 Feb 2010 20:14:43 -0200 [thread overview]
Message-ID: <20100217221701.179465472@redhat.com> (raw)
In-Reply-To: 20100217221439.351652889@redhat.com
[-- Attachment #1: kvm-vcpu-loop-exit-request --]
[-- Type: text/plain, Size: 623 bytes --]
With SIG_IPI blocked vcpu loop exit notification happens via -EAGAIN
from KVM_RUN.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Index: qemu/kvm-all.c
===================================================================
--- qemu.orig/kvm-all.c
+++ qemu/kvm-all.c
@@ -753,11 +753,13 @@ int kvm_cpu_exec(CPUState *env)
dprintf("kvm_cpu_exec()\n");
do {
+#ifndef CONFIG_IOTHREAD
if (env->exit_request) {
dprintf("interrupt exit requested\n");
ret = 0;
break;
}
+#endif
if (env->kvm_vcpu_dirty) {
kvm_arch_put_registers(env);
next prev parent reply other threads:[~2010-02-17 22:18 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-17 22:14 [patch uq/master 0/4] uq/master: iothread consume signals via sigtimedwait and cleanups Marcelo Tosatti
2010-02-17 22:14 ` [Qemu-devel] " Marcelo Tosatti
2010-02-17 22:14 ` [patch uq/master 1/4] qemu: block SIGCHLD in vcpu thread(s) Marcelo Tosatti
2010-02-17 22:14 ` [patch uq/master 2/4] qemu: kvm specific wait_io_event Marcelo Tosatti
2010-02-17 22:14 ` [Qemu-devel] " Marcelo Tosatti
2010-02-18 8:29 ` Avi Kivity
2010-02-18 13:58 ` Marcelo Tosatti
2010-02-18 14:33 ` Avi Kivity
2010-02-17 22:14 ` [patch uq/master 3/4] qemu: kvm: consume internal signal with sigtimedwait Marcelo Tosatti
2010-02-17 22:14 ` [Qemu-devel] " Marcelo Tosatti
2010-02-17 22:14 ` Marcelo Tosatti [this message]
2010-02-17 22:14 ` [Qemu-devel] [patch uq/master 4/4] qemu: kvm: remove pre-entry exit_request check with iothread enabled Marcelo Tosatti
2010-02-18 8:26 ` [patch uq/master 0/4] uq/master: iothread consume signals via sigtimedwait and cleanups Avi Kivity
2010-02-22 8:59 ` Avi Kivity
2010-02-22 8:59 ` [Qemu-devel] " Avi Kivity
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