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authorPaolo Bonzini <pbonzini@redhat.com>2014-09-17 12:21:29 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2016-05-19 16:42:28 +0200
commit77ac58ddc6be324abc3451ae78a1799efa7cc3b7 (patch)
tree3fa85c47b2104596c0d4f377cd0b9ae507c8811b /include
parentda163845602bf75999054d2a9b9f8f877cb36ce2 (diff)
dma: do not depend on kvm_enabled()
Memory barriers are needed also by Xen and, when the ioeventfd bugs are fixed, by TCG as well. sysemu/kvm.h is not anymore needed in sysemu/dma.h, move it to the actual users. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include')
-rw-r--r--include/sysemu/dma.h5
1 files changed, 1 insertions, 4 deletions
diff --git a/include/sysemu/dma.h b/include/sysemu/dma.h
index 0f7cd4d3ce..d6e96a4298 100644
--- a/include/sysemu/dma.h
+++ b/include/sysemu/dma.h
@@ -15,7 +15,6 @@
#include "hw/hw.h"
#include "block/block.h"
#include "block/accounting.h"
-#include "sysemu/kvm.h"
typedef struct ScatterGatherEntry ScatterGatherEntry;
@@ -67,9 +66,7 @@ static inline void dma_barrier(AddressSpace *as, DMADirection dir)
* use lighter barriers based on the direction of the
* transfer, the DMA context, etc...
*/
- if (kvm_enabled()) {
- smp_mb();
- }
+ smp_mb();
}
/* Checks that the given range of addresses is valid for DMA. This is