From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B7BB7C433EF for ; Wed, 20 Apr 2022 15:10:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1380068AbiDTPN1 (ORCPT ); Wed, 20 Apr 2022 11:13:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43374 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1380093AbiDTPMs (ORCPT ); Wed, 20 Apr 2022 11:12:48 -0400 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B06FC3E5F6 for ; Wed, 20 Apr 2022 08:10:01 -0700 (PDT) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 1094E215FC; Wed, 20 Apr 2022 15:10:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1650467400; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=SPIngja7rfH6/X0ahWtYB7L7nX8NRl4zj/+cjR7xZr0=; b=izW36Q/K4I+x9+ssoIZTIP6kcaOBnqGIAchacXhFrguclN9mlcwDy5Y3j6XIl58RxItKh2 yFKJRHgSaBRlN10cFBSOt7Ea7MtSQEgQQW0NFvI/a+0rlT0kNILSRJWUf2qg0/waqA7ALN NEaH3ZeHIDVzSTHBGCrCGbqlRrM0AMs= Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id DDE5413AD5; Wed, 20 Apr 2022 15:09:59 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id iEbyNEciYGJILQAAMHmgww (envelope-from ); Wed, 20 Apr 2022 15:09:59 +0000 From: Juergen Gross To: xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org Cc: Juergen Gross , Boris Ostrovsky , Stefano Stabellini Subject: [PATCH 07/18] xen/dmabuf: switch gntdev-dmabuf to use INVALID_GRANT_REF Date: Wed, 20 Apr 2022 17:09:31 +0200 Message-Id: <20220420150942.31235-8-jgross@suse.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220420150942.31235-1-jgross@suse.com> References: <20220420150942.31235-1-jgross@suse.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Instead of using a private macro for an invalid grant reference use the common one. Signed-off-by: Juergen Gross --- drivers/xen/gntdev-dmabuf.c | 13 ++----------- 1 file changed, 2 insertions(+), 11 deletions(-) diff --git a/drivers/xen/gntdev-dmabuf.c b/drivers/xen/gntdev-dmabuf.c index d5bfd7b867fc..91073b4e4a20 100644 --- a/drivers/xen/gntdev-dmabuf.c +++ b/drivers/xen/gntdev-dmabuf.c @@ -24,15 +24,6 @@ MODULE_IMPORT_NS(DMA_BUF); -#ifndef GRANT_INVALID_REF -/* - * Note on usage of grant reference 0 as invalid grant reference: - * grant reference 0 is valid, but never exposed to a driver, - * because of the fact it is already in use/reserved by the PV console. - */ -#define GRANT_INVALID_REF 0 -#endif - struct gntdev_dmabuf { struct gntdev_dmabuf_priv *priv; struct dma_buf *dmabuf; @@ -532,7 +523,7 @@ static void dmabuf_imp_end_foreign_access(u32 *refs, int count) int i; for (i = 0; i < count; i++) - if (refs[i] != GRANT_INVALID_REF) + if (refs[i] != INVALID_GRANT_REF) gnttab_end_foreign_access(refs[i], 0UL); } @@ -567,7 +558,7 @@ static struct gntdev_dmabuf *dmabuf_imp_alloc_storage(int count) gntdev_dmabuf->nr_pages = count; for (i = 0; i < count; i++) - gntdev_dmabuf->u.imp.refs[i] = GRANT_INVALID_REF; + gntdev_dmabuf->u.imp.refs[i] = INVALID_GRANT_REF; return gntdev_dmabuf; -- 2.34.1