Re: [PATCH 03/12] net: mana: Handle vport sharing between devices
From: Stephen Hemminger <stephen@networkplumber.org>
Date: 2022-05-17 15:19:27
Also in:
linux-hyperv, linux-rdma, lkml
On Tue, 17 May 2022 02:04:27 -0700 longli@linuxonhyperv.com wrote:
quoted hunk ↗ jump to hunk
diff --git a/drivers/net/ethernet/microsoft/mana/mana.h b/drivers/net/ethernet/microsoft/mana/mana.h index 51bff91b63ee..26f14fcb6a61 100644 --- a/drivers/net/ethernet/microsoft/mana/mana.h +++ b/drivers/net/ethernet/microsoft/mana/mana.h@@ -375,6 +375,7 @@ struct mana_port_context { unsigned int num_queues; mana_handle_t port_handle; + atomic_t port_use_count;
Could this be a refcount_t instead? The refcount_t has protections against under/overflow.