From patchwork Thu Apr 28 08:27:30 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?SsO8cmdlbiBHcm/Dnw==?= X-Patchwork-Id: 12830194 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 alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8C70DC433FE for ; Thu, 28 Apr 2022 08:28:50 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 35474E0E; Thu, 28 Apr 2022 10:27:58 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 35474E0E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1651134528; bh=wbHa8iR8uoZwVa0jtdk8uiWg7aMlSg89e3SdsUbLaMU=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=A1GRsUxTMw2e5fyT8c587Nb7zn2AVVF1rb0giUO8Ejl5JHzAUQ1N5FPEMFUv3GqR5 oSAyA3io+Hsn2Y9vh2frRR8/jDPmmIrwkbMOjMaM+uqLY6Xd62AZRYIMaR+JvRgOlY vf8afBaCbWogMVMfRbYwtKdAEO2N7t+/SpvKOjFA= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id CDDFEF804B0; Thu, 28 Apr 2022 10:27:57 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 1D71FF804BB; Thu, 28 Apr 2022 10:27:56 +0200 (CEST) Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id E48E9F8012B for ; Thu, 28 Apr 2022 10:27:49 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz E48E9F8012B Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=suse.com header.i=@suse.com header.b="TYPIqdG6" 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-out2.suse.de (Postfix) with ESMTPS id 804C41F8A8; Thu, 28 Apr 2022 08:27:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1651134469; 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=nqfEAJYikez5yuRaJWQFVEnr7bTvqklH6kJ7XEyZeH4=; b=TYPIqdG6C2kNSXwfoxobkb0T7Qrlkecz89DW0NUUSRJk8G1Cl1McWKfb63f8rCvjK2Z1w9 hltCqgILrPkBWZf7D6lZQrTVsQ9bYGNjEQQXo2D58+bj+Zbr/uJommfLuFr/ZVITaGpYKs 3TdHSODcKkMVn6eBxvw3c05nJoauKJs= 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 4287913491; Thu, 28 Apr 2022 08:27:49 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id sDPlDgVQamIBLgAAMHmgww (envelope-from ); Thu, 28 Apr 2022 08:27:49 +0000 From: Juergen Gross To: xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 06/19] xen/sound: switch xen_snd_front to use INVALID_GRANT_REF Date: Thu, 28 Apr 2022 10:27:30 +0200 Message-Id: <20220428082743.16593-7-jgross@suse.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220428082743.16593-1-jgross@suse.com> References: <20220428082743.16593-1-jgross@suse.com> MIME-Version: 1.0 Cc: Juergen Gross , alsa-devel@alsa-project.org, Takashi Iwai , Oleksandr Andrushchenko X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Instead of using a private macro for an invalid grant reference use the common one. Signed-off-by: Juergen Gross --- sound/xen/xen_snd_front_evtchnl.c | 4 ++-- sound/xen/xen_snd_front_evtchnl.h | 9 --------- 2 files changed, 2 insertions(+), 11 deletions(-) diff --git a/sound/xen/xen_snd_front_evtchnl.c b/sound/xen/xen_snd_front_evtchnl.c index ecbc294fc59a..3e21369c8216 100644 --- a/sound/xen/xen_snd_front_evtchnl.c +++ b/sound/xen/xen_snd_front_evtchnl.c @@ -167,7 +167,7 @@ static void evtchnl_free(struct xen_snd_front_info *front_info, xenbus_free_evtchn(front_info->xb_dev, channel->port); /* End access and free the page. */ - if (channel->gref != GRANT_INVALID_REF) + if (channel->gref != INVALID_GRANT_REF) gnttab_end_foreign_access(channel->gref, page); else free_page(page); @@ -207,7 +207,7 @@ static int evtchnl_alloc(struct xen_snd_front_info *front_info, int index, channel->index = index; channel->front_info = front_info; channel->state = EVTCHNL_STATE_DISCONNECTED; - channel->gref = GRANT_INVALID_REF; + channel->gref = INVALID_GRANT_REF; page = get_zeroed_page(GFP_KERNEL); if (!page) { ret = -ENOMEM; diff --git a/sound/xen/xen_snd_front_evtchnl.h b/sound/xen/xen_snd_front_evtchnl.h index cbe51fd1ec15..3675fba70564 100644 --- a/sound/xen/xen_snd_front_evtchnl.h +++ b/sound/xen/xen_snd_front_evtchnl.h @@ -15,15 +15,6 @@ struct xen_snd_front_info; -#ifndef GRANT_INVALID_REF -/* - * FIXME: usage of grant reference 0 as invalid grant reference: - * grant reference 0 is valid, but never exposed to a PV driver, - * because of the fact it is already in use/reserved by the PV console. - */ -#define GRANT_INVALID_REF 0 -#endif - /* Timeout in ms to wait for backend to respond. */ #define VSND_WAIT_BACK_MS 3000