On 27.04.22 09:11, Jan Beulich wrote:
On 27.04.2022 09:03, Juergen Gross wrote:For the initialization of a ring page by the frontend two macros are available in ring.h: SHARED_RING_INIT() and FRONT_RING_INIT().All known users use always both of them in direct sequence. Add another macro XEN_FRONT_RING_INIT() combining the two macros. Signed-off-by: Juergen Gross <[email protected]>Reviewed-by: Jan Beulich <[email protected]> albeit ...--- a/xen/include/public/io/ring.h +++ b/xen/include/public/io/ring.h @@ -95,9 +95,8 @@ typedef unsigned int RING_IDX; * of the shared memory area (PAGE_SIZE, for instance). To initialise * the front half: * - * mytag_front_ring_t front_ring; - * SHARED_RING_INIT((mytag_sring_t *)shared_page); - * FRONT_RING_INIT(&front_ring, (mytag_sring_t *)shared_page, PAGE_SIZE); + * mytag_front_ring_t ring; + * XEN_FRONT_RING_INIT(&ring, (mytag_sring_t *)shared_page, PAGE_SIZE);... I had hoped for the original text to remain and the new macro being suggested as a shorthand. But you're the maintainer ...
I prefer the single macro, as it is less code and has the proper name space. Juergen
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