On Sat, Sep 05, 2020 at 12:30:48AM +0000, Michael Kelley wrote: > From: Boqun Feng <boqun.feng@xxxxxxxxx> Sent: Tuesday, September 1, 2020 8:01 PM [...] > > struct rndis_request { > > struct list_head list_ent; > > struct completion wait_event; > > @@ -215,18 +215,18 @@ static int rndis_filter_send_request(struct rndis_device *dev, > > packet->page_buf_cnt = 1; > > > > pb[0].pfn = virt_to_phys(&req->request_msg) >> > > - PAGE_SHIFT; > > + HV_HYP_PAGE_SHIFT; > > pb[0].len = req->request_msg.msg_len; > > pb[0].offset = > > - (unsigned long)&req->request_msg & (PAGE_SIZE - 1); > > + (unsigned long)&req->request_msg & (HV_HYP_PAGE_SIZE - 1); > > Use offset_in_hvpage() as defined in patch 6 of the series? > Fair enough, I will use offset_in_hvpage() in the next version Regards, Boqun > > > > /* Add one page_buf when request_msg crossing page boundary */ > > - if (pb[0].offset + pb[0].len > PAGE_SIZE) { > > + if (pb[0].offset + pb[0].len > HV_HYP_PAGE_SIZE) { > > packet->page_buf_cnt++; > > - pb[0].len = PAGE_SIZE - > > + pb[0].len = HV_HYP_PAGE_SIZE - > > pb[0].offset; > > pb[1].pfn = virt_to_phys((void *)&req->request_msg > > - + pb[0].len) >> PAGE_SHIFT; > > + + pb[0].len) >> HV_HYP_PAGE_SHIFT; > > pb[1].offset = 0; > > pb[1].len = req->request_msg.msg_len - > > pb[0].len; > > -- > > 2.28.0 >