From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:49806 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2405669AbeHATIe (ORCPT ); Wed, 1 Aug 2018 15:08:34 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Ben Hutchings , Doug Ledford , Sasha Levin Subject: [PATCH 4.17 183/336] IB: Fix RDMA_RXE and INFINIBAND_RDMAVT dependencies for DMA_VIRT_OPS Date: Wed, 1 Aug 2018 18:48:38 +0200 Message-Id: <20180801165036.101717088@linuxfoundation.org> In-Reply-To: <20180801165028.930831994@linuxfoundation.org> References: <20180801165028.930831994@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org List-ID: 4.17-stable review patch. If anyone has any objections, please let me know. ------------------ From: Ben Hutchings [ Upstream commit e02637e97d68a54b1527bc654bf8377eda310226 ] DMA_VIRT_OPS requires that dma_addr_t is at least as wide as a pointer, which is expressed as a dependency on !64BIT || ARCH_DMA_ADDR_T_64BIT. For parisc64 this is not true, and if these IB modules are enabled, kconfig warns: WARNING: unmet direct dependencies detected for DMA_VIRT_OPS Depends on [n]: HAS_DMA [=y] && (!64BIT [=y] || ARCH_DMA_ADDR_T_64BIT) Selected by [m]: - INFINIBAND_RDMAVT [=m] && INFINIBAND [=m] && 64BIT [=y] && PCI [=y] - RDMA_RXE [=m] && INET [=y] && PCI [=y] && INFINIBAND [=m] Add dependencies to fix this. Signed-off-by: Ben Hutchings Signed-off-by: Doug Ledford Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/infiniband/sw/rdmavt/Kconfig | 2 +- drivers/infiniband/sw/rxe/Kconfig | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) --- a/drivers/infiniband/sw/rdmavt/Kconfig +++ b/drivers/infiniband/sw/rdmavt/Kconfig @@ -1,6 +1,6 @@ config INFINIBAND_RDMAVT tristate "RDMA verbs transport library" - depends on 64BIT + depends on 64BIT && ARCH_DMA_ADDR_T_64BIT depends on PCI select DMA_VIRT_OPS ---help--- --- a/drivers/infiniband/sw/rxe/Kconfig +++ b/drivers/infiniband/sw/rxe/Kconfig @@ -1,6 +1,7 @@ config RDMA_RXE tristate "Software RDMA over Ethernet (RoCE) driver" depends on INET && PCI && INFINIBAND + depends on !64BIT || ARCH_DMA_ADDR_T_64BIT select NET_UDP_TUNNEL select CRYPTO_CRC32 select DMA_VIRT_OPS