[PATCH v2 1/1] baseband/acc: fix ring memory allocation logic

Nicolas Chautru nicolas.chautru at intel.com
Fri Nov 8 01:32:38 CET 2024


Allowing ring memory allocation whose end address is aligned with 64 MB.
Previous logic was off by one.

Fixes: 060e76729302 ("baseband/acc100: add queue configuration")
Cc: stable at dpdk.org

Signed-off-by: Nicolas Chautru <nicolas.chautru at intel.com>
---
 drivers/baseband/acc/acc_common.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/baseband/acc/acc_common.h b/drivers/baseband/acc/acc_common.h
index 4c60b7896b..bf218332be 100644
--- a/drivers/baseband/acc/acc_common.h
+++ b/drivers/baseband/acc/acc_common.h
@@ -795,7 +795,7 @@ alloc_sw_rings_min_mem(struct rte_bbdev *dev, struct acc_device *d,
 				sw_rings_base, ACC_SIZE_64MBYTE);
 		next_64mb_align_addr_iova = sw_rings_base_iova +
 				next_64mb_align_offset;
-		sw_ring_iova_end_addr = sw_rings_base_iova + dev_sw_ring_size;
+		sw_ring_iova_end_addr = sw_rings_base_iova + dev_sw_ring_size - 1;
 
 		/* Check if the end of the sw ring memory block is before the
 		 * start of next 64MB aligned mem address
-- 
2.34.1



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