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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [PATCH v3 10/13] xen: remove GNUC check
From: Marc-André Lureau <marcandre.lureau@xxxxxxxxxx>
QEMU requires Clang or GCC, that define and support __GNUC__ extensions
Signed-off-by: Marc-André Lureau <marcandre.lureau@xxxxxxxxxx>
Acked-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
include/hw/xen/interface/io/ring.h | 9 ---------
1 file changed, 9 deletions(-)
diff --git a/include/hw/xen/interface/io/ring.h
b/include/hw/xen/interface/io/ring.h
index 5d048b335c..115705f3f4 100644
--- a/include/hw/xen/interface/io/ring.h
+++ b/include/hw/xen/interface/io/ring.h
@@ -206,21 +206,12 @@ typedef struct __name##_back_ring __name##_back_ring_t
#define RING_HAS_UNCONSUMED_RESPONSES(_r) \
((_r)->sring->rsp_prod - (_r)->rsp_cons)
-#ifdef __GNUC__
#define RING_HAS_UNCONSUMED_REQUESTS(_r) ({ \
unsigned int req = (_r)->sring->req_prod - (_r)->req_cons; \
unsigned int rsp = RING_SIZE(_r) - \
((_r)->req_cons - (_r)->rsp_prod_pvt); \
req < rsp ? req : rsp; \
})
-#else
-/* Same as above, but without the nice GCC ({ ... }) syntax. */
-#define RING_HAS_UNCONSUMED_REQUESTS(_r) \
- ((((_r)->sring->req_prod - (_r)->req_cons) < \
- (RING_SIZE(_r) - ((_r)->req_cons - (_r)->rsp_prod_pvt))) ? \
- ((_r)->sring->req_prod - (_r)->req_cons) : \
- (RING_SIZE(_r) - ((_r)->req_cons - (_r)->rsp_prod_pvt)))
-#endif
/* Direct access to individual ring elements, by index. */
#define RING_GET_REQUEST(_r, _idx) \
--
2.29.0
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