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[Qemu-devel] [patch uq/master 1/9] kvm: set cpu_single_env around KVM_RU
From: |
Marcelo Tosatti |
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 |
User-agent: |
quilt/0.47-1 |
Zero cpu_single_env before leaving global lock protection, and
restore on return.
Signed-off-by: Marcelo Tosatti <address@hidden>
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) {
- [Qemu-devel] [patch uq/master 0/9] enable smp > 1 and related fixes, Marcelo Tosatti, 2010/05/04
- [Qemu-devel] [patch uq/master 5/9] kvm: synchronize state from cpu context, Marcelo Tosatti, 2010/05/04
- [Qemu-devel] [patch uq/master 4/9] port qemu-kvm's on_vcpu code, Marcelo Tosatti, 2010/05/04
- [Qemu-devel] [patch uq/master 7/9] move stop/stopped CPU_COMMON fields after area zeroed by reset, Marcelo Tosatti, 2010/05/04
- [Qemu-devel] [patch uq/master 6/9] add cpu_is_stopped helper, Marcelo Tosatti, 2010/05/04
- [Qemu-devel] [patch uq/master 9/9] kvm: enable smp > 1, Marcelo Tosatti, 2010/05/04
- [Qemu-devel] [patch uq/master 3/9] standardize on qemu_cpu_kick for signalling cpu thread(s), Marcelo Tosatti, 2010/05/04
- [Qemu-devel] [patch uq/master 1/9] kvm: set cpu_single_env around KVM_RUN ioctl,
Marcelo Tosatti <=
- [Qemu-devel] [patch uq/master 2/9] make SIG_IPI to tcg vcpu thread reliable, Marcelo Tosatti, 2010/05/04
- [Qemu-devel] [patch uq/master 8/9] kvm: validate context for kvm cpu get/put operations, Marcelo Tosatti, 2010/05/04
- [Qemu-devel] Re: [patch uq/master 0/9] enable smp > 1 and related fixes, Anthony Liguori, 2010/05/05
- [Qemu-devel] Re: [patch uq/master 0/9] enable smp > 1 and related fixes, Avi Kivity, 2010/05/06