On Tue, Oct 28, 2025 at 8:09 PM Qinxin Xia xiaqinxin@huawei.com wrote:
The padding field in the structure was previously reserved to maintain a stable interface for potential new fields, ensuring compatibility with user-space shared data structures. However,it was accidentally removed by tiantao in a prior commit, which may lead to incompatibility between user space and the kernel.
This patch reinstates the padding to restore the original structure layout and preserve compatibility.
Fixes: 8ddde07a3d28 ("dma-mapping: benchmark: extract a common header file for map_benchmark definition")
It would be preferable to include the following as well:
Reported-by: Barry Song baohua@kernel.org Closes: https://lore.kernel.org/lkml/CAGsJ_4waiZ2+NBJG+SCnbNk+nQ_ZF13_Q5FHJqZyxyJTcE...
Cc: stable@vger.kernel.org Acked-by: Barry Song baohua@kernel.org Signed-off-by: Qinxin Xia xiaqinxin@huawei.com
Thank you. We also need to include Jonathan’s tag[1]:
Reviewed-by: Jonathan Cameron jonathan.cameron@huawei.com
[1] https://lore.kernel.org/lkml/20250616105318.00001132@huawei.com/
I assume Marek can assist with adding those tags when you apply the patch?
Thanks Barry