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[23.128.96.19]) by mx.google.com with ESMTPS id ij17-20020a170902ab5100b00153b2d165b0si3264857plb.440.2022.03.25.13.22.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Mar 2022 13:22:16 -0700 (PDT) Received-SPF: softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) client-ip=23.128.96.19; Authentication-Results: mx.google.com; dkim=pass header.i=@natalenko.name header.s=dkim-20170712 header.b=qytSP8fv; spf=softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=natalenko.name Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id A9B2B400838; Fri, 25 Mar 2022 12:31:09 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230094AbiCYTcN (ORCPT + 99 others); Fri, 25 Mar 2022 15:32:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50566 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230118AbiCYTbt (ORCPT ); Fri, 25 Mar 2022 15:31:49 -0400 Received: from vulcan.natalenko.name (vulcan.natalenko.name [104.207.131.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C86383CAA9F; Fri, 25 Mar 2022 12:26:24 -0700 (PDT) Received: from spock.localnet (unknown [83.148.33.151]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by vulcan.natalenko.name (Postfix) with ESMTPSA id F322EE4E0AB; Fri, 25 Mar 2022 20:26:21 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=natalenko.name; s=dkim-20170712; t=1648236382; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=gkbNNfeNpPwe6UQ985hZPvn6dllNsvG00WrMvTQUIGI=; b=qytSP8fvTZGeblf/fJrh/9X4CD7KyWYpv5y6rjoU67VaEfcJ3Ydlb6dwojwD32wjzVVDfl s+Dv0Me0Om7d6cPBtCkFhFC3E1zyeBw/9bAyXDxPWlgwO8bHcblKXGz14vscA7y1cgJZTb SNNO2wV88E2F6dyekzSEbtvhTZFIL/U= From: Oleksandr Natalenko To: Maxime Bizon , Linus Torvalds Cc: Toke =?ISO-8859-1?Q?H=F8iland=2DJ=F8rgensen?= , Robin Murphy , Christoph Hellwig , Halil Pasic , Marek Szyprowski , Kalle Valo , "David S. Miller" , Jakub Kicinski , Paolo Abeni , Olha Cherevyk , iommu , linux-wireless , Netdev , Linux Kernel Mailing List , Greg Kroah-Hartman , stable Subject: Re: [REGRESSION] Recent swiotlb DMA_FROM_DEVICE fixes break ath9k-based AP Date: Fri, 25 Mar 2022 20:26:20 +0100 Message-ID: <12981608.uLZWGnKmhe@natalenko.name> In-Reply-To: References: <1812355.tdWV9SEqCh@natalenko.name> <31434708dcad126a8334c99ee056dcce93e507f1.camel@freebox.fr> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RDNS_NONE,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On p=C3=A1tek 25. b=C5=99ezna 2022 19:30:21 CET Linus Torvalds wrote: > The reason the ath9k issue was found quickly > is very likely *NOT* because ath9k is the only thing affected. No, > it's because ath9k is relatively common. Indeed. But having a wife who complains about non-working Wi-Fi printer def= initely helps in finding the issue too. =2D-=20 Oleksandr Natalenko (post-factum)