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 1/9] kvm: set cpu_single_env around KVM_RUN ioctl
Date: Tue, 04 May 2010 09:45:19 -0300 [thread overview]
Message-ID: <20100504124634.157938055@redhat.com> (raw)
In-Reply-To: 20100504124518.979470863@redhat.com
[-- Attachment #1: cpu-single-env --]
[-- Type: text/plain, Size: 648 bytes --]
Zero cpu_single_env before leaving global lock protection, and
restore on return.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Index: qemu/kvm-all.c
===================================================================
--- qemu.orig/kvm-all.c
+++ qemu/kvm-all.c
@@ -846,9 +846,11 @@ int kvm_cpu_exec(CPUState *env)
}
kvm_arch_pre_run(env, run);
+ cpu_single_env = NULL;
qemu_mutex_unlock_iothread();
ret = kvm_vcpu_ioctl(env, KVM_RUN, 0);
qemu_mutex_lock_iothread();
+ cpu_single_env = env;
kvm_arch_post_run(env, run);
if (ret == -EINTR || ret == -EAGAIN) {
next prev 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 ` Marcelo Tosatti [this message]
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 ` [Qemu-devel] [patch uq/master 3/9] standardize on qemu_cpu_kick for signalling cpu thread(s) Marcelo Tosatti
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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