Marcelo Tosatti wrote:
Signed-off-by: Marcelo Tosatti <mtosatti@xxxxxxxxxx>
Index: kvm/virt/kvm/coalesced_mmio.c
===================================================================
--- kvm.orig/virt/kvm/coalesced_mmio.c
+++ kvm/virt/kvm/coalesced_mmio.c
@@ -26,9 +26,10 @@ static int coalesced_mmio_in_range(struc
if (!is_write)
return 0;
- /* kvm->lock is taken by the caller and must be not released before
- * dev.read/write
- */
+ /*
+ * dev->lock must not be released before coalesced_mmio_write.
+ */
+ mutex_lock(&dev->lock);
/* Are we able to batch it ? */
@@ -41,6 +42,7 @@ static int coalesced_mmio_in_range(struc
KVM_COALESCED_MMIO_MAX;
if (next == dev->kvm->coalesced_mmio_ring->first) {
/* full */
+ mutex_unlock(&dev->lock);
return 0;
}
@@ -57,6 +59,7 @@ static int coalesced_mmio_in_range(struc
addr + len <= zone->addr + zone->size)
return 1;
}
+ mutex_unlock(&dev->lock);
return 0;
}
So we have a function that takes a lock and conditionally releases it?
--
error compiling committee.c: too many arguments to function
--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
