On Wed, Sep 07, 2022 at 03:42:58PM +0800, Herbert Xu wrote: > Hi: > > The function qat_rsa_enc maps req->phy_in with a length of 8 bytes, > but the function qat_rsa_cb unmaps it with a length of 64 bytes. > > This causes the DMA API to generate warnings in debug mode. Thanks Herbert. I was aware of that. We have a set in review internally that fixes all warnings reported when CONFIG_DMA_API_DEBUG=y is selected. For this particular issue, e48767c17718 ("crypto: qat - reduce size of mapped region") needs to be reverted. This revert is included in the set that I'm going to send. Regards, -- Giovanni