From: Long Li Date: Fri, 30 Aug 2024 15:16:33 +0000 (-0700) Subject: RDMA/mana_ib: use the correct page size for mapping user-mode doorbell page X-Git-Tag: v6.12-rc1~72^2~51 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=4a3b99bc04e501b816db78f70064e26a01257910;p=thirdparty%2Flinux.git RDMA/mana_ib: use the correct page size for mapping user-mode doorbell page When mapping doorbell page from user-mode, the driver should use the system page size as this memory is allocated via mmap() from user-mode. Cc: stable@vger.kernel.org Fixes: 0266a177631d ("RDMA/mana_ib: Add a driver for Microsoft Azure Network Adapter") Signed-off-by: Long Li Link: https://patch.msgid.link/1725030993-16213-2-git-send-email-longli@linuxonhyperv.com Signed-off-by: Leon Romanovsky --- diff --git a/drivers/infiniband/hw/mana/main.c b/drivers/infiniband/hw/mana/main.c index f68f54aea820d..67c2d43135a8a 100644 --- a/drivers/infiniband/hw/mana/main.c +++ b/drivers/infiniband/hw/mana/main.c @@ -511,13 +511,13 @@ int mana_ib_mmap(struct ib_ucontext *ibcontext, struct vm_area_struct *vma) PAGE_SHIFT; prot = pgprot_writecombine(vma->vm_page_prot); - ret = rdma_user_mmap_io(ibcontext, vma, pfn, gc->db_page_size, prot, + ret = rdma_user_mmap_io(ibcontext, vma, pfn, PAGE_SIZE, prot, NULL); if (ret) ibdev_dbg(ibdev, "can't rdma_user_mmap_io ret %d\n", ret); else - ibdev_dbg(ibdev, "mapped I/O pfn 0x%llx page_size %u, ret %d\n", - pfn, gc->db_page_size, ret); + ibdev_dbg(ibdev, "mapped I/O pfn 0x%llx page_size %lu, ret %d\n", + pfn, PAGE_SIZE, ret); return ret; }