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SubjectRe: [PATCH] mlxsw: core: Switch to kvfree_rcu() API
On Wed, Dec 15, 2021 at 12:18:43PM +0100, Uladzislau Rezki (Sony) wrote:
> Instead of invoking a synchronize_rcu() to free a pointer
> after a grace period we can directly make use of new API
> that does the same but in more efficient way.
>
> TO: David S. Miller <davem@davemloft.net>
> TO: Jakub Kicinski <kuba@kernel.org>
> TO: netdev@vger.kernel.org
> Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
> ---
> drivers/net/ethernet/mellanox/mlxsw/core.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c
> index 3fd3812b8f31..47c29769759b 100644
> --- a/drivers/net/ethernet/mellanox/mlxsw/core.c
> +++ b/drivers/net/ethernet/mellanox/mlxsw/core.c
> @@ -2190,8 +2190,7 @@ void mlxsw_core_rx_listener_unregister(struct mlxsw_core *mlxsw_core,
> if (!rxl_item)
> return;
> list_del_rcu(&rxl_item->list);
> - synchronize_rcu();
> - kfree(rxl_item);
> + kvfree_rcu(rxl_item);
> }
> EXPORT_SYMBOL(mlxsw_core_rx_listener_unregister);
>
> --
> 2.30.2
>
+ David S. Miller <davem@davemloft.net>
+ Jakub Kicinski <kuba@kernel.org>
+ netdev@vger.kernel.org

--
Vlad Rezki

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