[PATCH 23.11] net/hns3: fix atomic API usage for LTS compatibility
Kevin Traynor
ktraynor at redhat.com
Tue Dec 16 13:54:48 CET 2025
On 16/12/2025 11:54, Shani Peretz wrote:
> The rte_atomic_load_explicit() API requires the variable to be
> declared with RTE_ATOMIC() type. However, hw->reset.resetting is
> declared as plain uint16_t, causing a compilation error with clang.
>
> Revert to using __atomic_load_n() which is consistent with all other
> atomic operations on the resetting field in this driver.
>
> Fixes: 280d641cf8d8 ("net/hns3: fix resources release on reset")
> Cc: huangdengdui at huawei.com
>
> Signed-off-by: Shani Peretz <shperetz at nvidia.com>
> ---
> drivers/net/hns3/hns3_ethdev.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/hns3/hns3_ethdev.c b/drivers/net/hns3/hns3_ethdev.c
> index c82d7d84cb..c20a65ca8e 100644
> --- a/drivers/net/hns3/hns3_ethdev.c
> +++ b/drivers/net/hns3/hns3_ethdev.c
> @@ -5230,7 +5230,7 @@ hns3_dev_stop(struct rte_eth_dev *dev)
> struct hns3_hw *hw = &hns->hw;
>
> PMD_INIT_FUNC_TRACE();
> - if (rte_atomic_load_explicit(&hw->reset.resetting, rte_memory_order_relaxed) != 0) {
> + if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED) != 0) {
> hns3_warn(hw, "device is resetting, stop operation is not allowed.");
> return -EBUSY;
> }
Acked-by: Kevin Traynor <ktraynor at redhat.com>
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