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[Qemu-devel] [PATCH 09/12] kvm: validate context for kvm cpu get/put ope
From: |
Marcelo Tosatti |
Subject: |
[Qemu-devel] [PATCH 09/12] kvm: validate context for kvm cpu get/put operations |
Date: |
Wed, 12 May 2010 18:25:03 -0300 |
From: Jan Kiszka <address@hidden>
Validate that KVM vcpu state is only read/written from cpu thread itself
or that cpu is stopped.
Signed-off-by: Marcelo Tosatti <address@hidden>
Signed-off-by: Avi Kivity <address@hidden>
---
target-i386/kvm.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index f73b47b..c9ec72e 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -949,6 +949,8 @@ int kvm_arch_put_registers(CPUState *env, int level)
{
int ret;
+ assert(cpu_is_stopped(env) || qemu_cpu_self(env));
+
ret = kvm_getput_regs(env, 1);
if (ret < 0)
return ret;
@@ -991,6 +993,8 @@ int kvm_arch_get_registers(CPUState *env)
{
int ret;
+ assert(cpu_is_stopped(env) || qemu_cpu_self(env));
+
ret = kvm_getput_regs(env, 0);
if (ret < 0)
return ret;
--
1.6.6.1
- [Qemu-devel] Re: [PATCH 10/12] kvm: enable smp > 1, (continued)
- [Qemu-devel] Re: [PATCH 10/12] kvm: enable smp > 1, Udo Lembke, 2010/05/19
- [Qemu-devel] Re: [PATCH 10/12] kvm: enable smp > 1, Avi Kivity, 2010/05/19
- [Qemu-devel] Re: [PATCH 10/12] kvm: enable smp > 1, Udo Lembke, 2010/05/19
- [Qemu-devel] Re: [PATCH 10/12] kvm: enable smp > 1, Avi Kivity, 2010/05/20
- [Qemu-devel] Re: [PATCH 10/12] kvm: enable smp > 1, Udo Lembke, 2010/05/20
[Qemu-devel] [PATCH 01/12] Fix -mem-path with hugetlbfs, Marcelo Tosatti, 2010/05/12
[Qemu-devel] [PATCH 11/12] Do not stop VM if emulation failed in userspace., Marcelo Tosatti, 2010/05/12
[Qemu-devel] [PATCH 03/12] make SIG_IPI to tcg vcpu thread reliable, Marcelo Tosatti, 2010/05/12
[Qemu-devel] [PATCH 07/12] add cpu_is_stopped helper, Marcelo Tosatti, 2010/05/12
[Qemu-devel] [PATCH 02/12] kvm: set cpu_single_env around KVM_RUN ioctl, Marcelo Tosatti, 2010/05/12
[Qemu-devel] [PATCH 09/12] kvm: validate context for kvm cpu get/put operations,
Marcelo Tosatti <=
[Qemu-devel] [PATCH 05/12] port qemu-kvm's on_vcpu code, Marcelo Tosatti, 2010/05/12
[Qemu-devel] [PATCH 06/12] kvm: synchronize state from cpu context, Marcelo Tosatti, 2010/05/12
[Qemu-devel] [PATCH 04/12] standardize on qemu_cpu_kick for signalling cpu thread(s), Marcelo Tosatti, 2010/05/12
Re: [Qemu-devel] [PATCH 00/12] [PULL] qemu-kvm.git uq/master queue, Anthony Liguori, 2010/05/17