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 7B214C433F5 for ; Thu, 5 May 2022 08:17:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347536AbiEEIVb (ORCPT ); Thu, 5 May 2022 04:21:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53422 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346959AbiEEIU2 (ORCPT ); Thu, 5 May 2022 04:20:28 -0400 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6FE4F49695 for ; Thu, 5 May 2022 01:16:47 -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 30DBD210E7; Thu, 5 May 2022 08:16:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1651738606; 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=HbhUc4kkAgjpJllqUuyWzZXVZYGf9QqSKvPktQD9iyQ=; b=rHPzp9Pc6VbGCmz1ZS7ybs1DGkH3gmX3BoOpGkieYlTPAbhcH+NHvsmWQu1WFVL2naVmuD eKYWr1PLWsZCQ3Omym3VkvbUaP3GMXNXjdA0XGexieKFIIVo1g52oQFiGzHlDuSPuhIYNg IhZV2NcAdYXhYHVPq+TJP5OWPIz6AE8= 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 029DD13B11; Thu, 5 May 2022 08:16:45 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id oL34Ou2Hc2K1BwAAMHmgww (envelope-from ); Thu, 05 May 2022 08:16:45 +0000 From: Juergen Gross To: xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org Cc: Juergen Gross , Boris Ostrovsky , Stefano Stabellini Subject: [PATCH v3 09/21] xen/dmabuf: switch gntdev-dmabuf to use INVALID_GRANT_REF Date: Thu, 5 May 2022 10:16:28 +0200 Message-Id: <20220505081640.17425-10-jgross@suse.com> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20220505081640.17425-1-jgross@suse.com> References: <20220505081640.17425-1-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; -- 2.35.3