From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752503AbaLYJ3Y (ORCPT ); Thu, 25 Dec 2014 04:29:24 -0500 Received: from mx1.redhat.com ([209.132.183.28]:48924 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752158AbaLYJ3S (ORCPT ); Thu, 25 Dec 2014 04:29:18 -0500 Date: Thu, 25 Dec 2014 11:28:41 +0200 From: "Michael S. Tsirkin" To: linux-kernel@vger.kernel.org Cc: Arnd Bergmann , linux-arch@vger.kernel.org, Will Deacon , Catalin Marinas , Christopher Covington , linux-arm-kernel@lists.infradead.org Subject: [PATCH repost 03/16] arm64/uaccess: fix sparse errors Message-ID: <1419499661-8566-4-git-send-email-mst@redhat.com> References: <1419499661-8566-1-git-send-email-mst@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1419499661-8566-1-git-send-email-mst@redhat.com> X-Mutt-Fcc: =sent Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org virtio wants to read bitwise types from userspace using get_user. At the moment this triggers sparse errors, since the value is passed through an integer. Fix that up using __force. Signed-off-by: Michael S. Tsirkin Acked-by: Will Deacon --- arch/arm64/include/asm/uaccess.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h index 3bf8f4e..8d66bcf 100644 --- a/arch/arm64/include/asm/uaccess.h +++ b/arch/arm64/include/asm/uaccess.h @@ -147,7 +147,7 @@ do { \ default: \ BUILD_BUG(); \ } \ - (x) = (__typeof__(*(ptr)))__gu_val; \ + (x) = (__force __typeof__(*(ptr)))__gu_val; \ } while (0) #define __get_user(x, ptr) \ -- MST