Patchwork [36/37] kvm: Make kvm_state globally available

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Submitter Marcelo Tosatti
Date Feb. 14, 2011, 3:23 p.m.
Message ID <6a7af8cb04c345eb1ed9d95250ef3ad4400e65c5.1297696986.git.mtosatti@redhat.com>
Download mbox | patch
Permalink /patch/83120/
State New
Headers show

Comments

Marcelo Tosatti - Feb. 14, 2011, 3:23 p.m.
From: Jan Kiszka <jan.kiszka@siemens.com>

KVM-assisted devices need access to it but we have no clean channel to
distribute a reference. As a workaround until there is a better
solution, export kvm_state for global use, though use should remain
restricted to the mentioned scenario.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 kvm-all.c |    2 +-
 kvm.h     |    1 +
 2 files changed, 2 insertions(+), 1 deletions(-)

Patch

diff --git a/kvm-all.c b/kvm-all.c
index ecac0b3..e6a7de4 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -78,7 +78,7 @@  struct KVMState
     int many_ioeventfds;
 };
 
-static KVMState *kvm_state;
+KVMState *kvm_state;
 
 static const KVMCapabilityInfo kvm_required_capabilites[] = {
     KVM_CAP_INFO(USER_MEMORY),
diff --git a/kvm.h b/kvm.h
index 4caa6ec..59b2c29 100644
--- a/kvm.h
+++ b/kvm.h
@@ -85,6 +85,7 @@  int kvm_on_sigbus(int code, void *addr);
 
 struct KVMState;
 typedef struct KVMState KVMState;
+extern KVMState *kvm_state;
 
 int kvm_ioctl(KVMState *s, int type, ...);