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authorDamjan Marion <damarion@cisco.com>2023-06-13 16:05:56 +0200
committerDave Wallace <dwallacelf@gmail.com>2023-07-11 20:37:23 +0000
commitcf1880284c7dce21711442aa210c0d5971bb5289 (patch)
tree033104a594ed95f9e7307e15585cb45b61df9f4e
parent44b3abe86ab49a35403ba8d3938955549e392d22 (diff)
avf: remove barrier
Type: improvement Change-Id: I95023d2e6034b77952e0423d0430b433ea0dab15 Signed-off-by: Damjan Marion <damarion@cisco.com>
-rw-r--r--src/plugins/avf/avf.h2
-rw-r--r--src/plugins/avf/device.c1
2 files changed, 1 insertions, 2 deletions
diff --git a/src/plugins/avf/avf.h b/src/plugins/avf/avf.h
index 293a1a89937..f6f79cf0e09 100644
--- a/src/plugins/avf/avf.h
+++ b/src/plugins/avf/avf.h
@@ -428,7 +428,7 @@ avf_reg_write (avf_device_t * ad, u32 addr, u32 val)
{
if (ad->flags & AVF_DEVICE_F_ELOG)
avf_elog_reg (ad, addr, val, 0);
- *(volatile u32 *) ((u8 *) ad->bar0 + addr) = val;
+ __atomic_store_n ((u32 *) ((u8 *) ad->bar0 + addr), val, __ATOMIC_RELEASE);
}
static inline u32
diff --git a/src/plugins/avf/device.c b/src/plugins/avf/device.c
index c405d2e31d1..dbe344ca278 100644
--- a/src/plugins/avf/device.c
+++ b/src/plugins/avf/device.c
@@ -156,7 +156,6 @@ avf_aq_desc_enq (vlib_main_t * vm, avf_device_t * ad, avf_aq_desc_t * dt,
if (ad->flags & AVF_DEVICE_F_ELOG)
clib_memcpy_fast (&dc, d, sizeof (avf_aq_desc_t));
- CLIB_MEMORY_BARRIER ();
ad->atq_next_slot = (ad->atq_next_slot + 1) % AVF_MBOX_LEN;
avf_reg_write (ad, AVF_ATQT, ad->atq_next_slot);
avf_reg_flush (ad);