Thread (121 messages) 121 messages, 4 authors, 2021-05-12

[dpdk-dev] [PATCH v3 10/22] net/ena/base: use rte_prefetch0_write

From: Michal Krawczyk <hidden>
Date: 2021-05-06 14:27:05
Subsystem: networking drivers, the rest · Maintainers: Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

As in the v20.11 rte_prefetch0_write API was added, it should be used
in the platform file for the definition of the macro prefetchw, instead
of using simply prefetch0.

Signed-off-by: Michal Krawczyk <redacted>
Reviewed-by: Igor Chauskin <redacted>
Reviewed-by: Amit Bernstein <redacted>
---
 drivers/net/ena/base/ena_plat_dpdk.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ena/base/ena_plat_dpdk.h b/drivers/net/ena/base/ena_plat_dpdk.h
index ad7b07b374..c6103e3721 100644
--- a/drivers/net/ena/base/ena_plat_dpdk.h
+++ b/drivers/net/ena/base/ena_plat_dpdk.h
@@ -290,7 +290,7 @@ extern rte_atomic32_t ena_alloc_cnt;
 #define might_sleep()
 
 #define prefetch(x) rte_prefetch0(x)
-#define prefetchw(x) prefetch(x)
+#define prefetchw(x) rte_prefetch0_write(x)
 
 #define lower_32_bits(x) ((uint32_t)(x))
 #define upper_32_bits(x) ((uint32_t)(((x) >> 16) >> 16))
-- 
2.25.1
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help