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 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 D5026C3ABB2 for ; Mon, 16 Sep 2024 07:25:28 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 2592BE94; Mon, 16 Sep 2024 09:25:16 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 2592BE94 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1726471526; bh=47xPVJrzm6Sz8Ky0GorJhQI2r9rwb/mpjHTKV1Qxpjc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-Id: List-Archive:List-Help:List-Owner:List-Post:List-Subscribe: List-Unsubscribe:From; b=SJiRNrzBa9YHmuFwEuDUilR41n774OZ9yGpHvOmK+H+QBM0V1iC5D08/j0gOUg8bi Fk1q/w30LmICUCyAhApVQPty6WLfWhDyG2lVZKWV5DemDlS48QoguP73sqZZCNWpe2 jaUCA6cUi5zzk9ThVWMuHPYl9QFio3GQXGFp0E+A= Received: by alsa1.perex.cz (Postfix, from userid 50401) id CFB1DF805A8; Mon, 16 Sep 2024 09:24:55 +0200 (CEST) Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id 193A2F805B5; Mon, 16 Sep 2024 09:24:55 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 62E05F8020D; Mon, 16 Sep 2024 09:24:50 +0200 (CEST) Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 7F0A4F80107 for ; Mon, 16 Sep 2024 09:24:48 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 7F0A4F80107 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key, unprotected) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=Pn9FC1x6 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=htINtMKW1HHHTz6jXf4cYaZiT3xsT/nN0J8Q13owBXQ=; b=Pn9FC1x6nnL0y9Cn7Z9N7H7ytU cnlXuztesp1Ehje2r9n2mP9UmGrD44lQT6tOQ5ADkWRaKwb8R6I7Tpqg887T3I6M3vWHX2gjKeLVr McgOkSWOVNM5zTI6182gNcaJM+eN5U60ysxN4vYhN5f3PPW8dnRw5KHtlOPllrR5ATMEtcKXXsiPw rmvmNKdTTSWRBPx/3MJtoWxl9S6n8T32ttqeufOQlPfRXQu85xrXE/oT5jQU4tj3N79sBYNkOEtZo FO/40oEM+s/FyGzhKQOq4mHmISg54wN862PYFIhB9dC6ZkjnvzA22QGKPt1pnf4CNL02uqk5DNzB0 mK4aPqfg==; Received: from hch by bombadil.infradead.org with local (Exim 4.98 #2 (Red Hat Linux)) id 1sq66E-00000003Iyc-1rAO; Mon, 16 Sep 2024 07:24:42 +0000 Date: Mon, 16 Sep 2024 00:24:42 -0700 From: Christoph Hellwig To: Takashi Iwai Cc: Christoph Hellwig , Andrew Cooper , Ariadne Conill , xen-devel@lists.xenproject.org, alsa-devel@alsa-project.org, stable@vger.kernel.org Subject: Re: [PATCH] Revert "ALSA: memalloc: Workaround for Xen PV" Message-ID: References: <20240906184209.25423-1-ariadne@ariadne.space> <877cbnewib.wl-tiwai@suse.de> <9eda21ac-2ce7-47d5-be49-65b941e76340@citrix.com> <874j6g9ifp.wl-tiwai@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <874j6g9ifp.wl-tiwai@suse.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Message-ID-Hash: IK6YW6DPN2UNXYQFXX6KUNIKWSFR3OTT X-Message-ID-Hash: IK6YW6DPN2UNXYQFXX6KUNIKWSFR3OTT X-MailFrom: BATV+500305f64adcbfb43b9e+7694+infradead.org+hch@bombadil.srs.infradead.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.9 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: On Mon, Sep 16, 2024 at 09:16:58AM +0200, Takashi Iwai wrote: > Yes, all those are really ugly hacks and have been already removed for > 6.12. Let's hope everything works as expected with it. The code currently in linux-next will not work as explained in my previous mail, because it tries to side step the DMA API and abuses get_dma_ops in an unsupported way.