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 smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (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 BAA8BC433F5 for ; Fri, 25 Mar 2022 19:35:49 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 4926C40308; Fri, 25 Mar 2022 19:35:49 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id qOfp5Hd1PQhN; Fri, 25 Mar 2022 19:35:48 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp4.osuosl.org (Postfix) with ESMTPS id 2EDB840271; Fri, 25 Mar 2022 19:35:48 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id EDD1BC001D; Fri, 25 Mar 2022 19:35:47 +0000 (UTC) Received: from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists.linuxfoundation.org (Postfix) with ESMTP id CAE5DC0012 for ; Fri, 25 Mar 2022 19:35:46 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id B94E36076A for ; Fri, 25 Mar 2022 19:35:46 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Authentication-Results: smtp3.osuosl.org (amavisd-new); dkim=pass (1024-bit key) header.d=natalenko.name Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id HtyZGMVlg9hc for ; Fri, 25 Mar 2022 19:35:46 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 Received: from vulcan.natalenko.name (vulcan.natalenko.name [IPv6:2001:19f0:6c00:8846:5400:ff:fe0c:dfa0]) by smtp3.osuosl.org (Postfix) with ESMTPS id 29AE260759 for ; Fri, 25 Mar 2022 19:35:45 +0000 (UTC) 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 41693E4E0DF; Fri, 25 Mar 2022 20:35:39 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=natalenko.name; s=dkim-20170712; t=1648236939; 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=rLBMSUPo6jXDs4paj/eaDyrCRojZ9mFIvvnloZAG8yk=; b=HUri9bxCSlCyLJBpNkF4S2td2orUeRbu4l9z0J7Xc9HyZ3cTxDHCexUPIjSPSVKHAxd0mQ eQqW/2wjFoLwJYc7WDKU32po5DIGbENZn/lgaQvSZ/smVjpzYo1MRMfVsmMNRcsr6NANnJ 4ibaaxojQmf/jlSzVt/jSOoWS3lQYjI= To: Linus Torvalds Subject: Re: [REGRESSION] Recent swiotlb DMA_FROM_DEVICE fixes break ath9k-based AP Date: Fri, 25 Mar 2022 20:35:37 +0100 Message-ID: <8043549.T7Z3S40VBb@natalenko.name> In-Reply-To: References: <1812355.tdWV9SEqCh@natalenko.name> <12981608.uLZWGnKmhe@natalenko.name> MIME-Version: 1.0 Cc: Toke =?ISO-8859-1?Q?H=F8iland=2DJ=F8rgensen?= , Greg Kroah-Hartman , Netdev , Kalle Valo , linux-wireless , Linux Kernel Mailing List , stable , "David S. Miller" , Halil Pasic , iommu , Olha Cherevyk , Jakub Kicinski , Maxime Bizon , Paolo Abeni , Robin Murphy , Christoph Hellwig X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Oleksandr Natalenko via iommu Reply-To: Oleksandr Natalenko Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" T24gcMOhdGVrIDI1LiBixZllem5hIDIwMjIgMjA6Mjc6NDMgQ0VUIExpbnVzIFRvcnZhbGRzIHdy b3RlOgo+IE9uIEZyaSwgTWFyIDI1LCAyMDIyIGF0IDEyOjI2IFBNIE9sZWtzYW5kciBOYXRhbGVu a28KPiA8b2xla3NhbmRyQG5hdGFsZW5rby5uYW1lPiB3cm90ZToKPiA+Cj4gPiBPbiBww6F0ZWsg MjUuIGLFmWV6bmEgMjAyMiAxOTozMDoyMSBDRVQgTGludXMgVG9ydmFsZHMgd3JvdGU6Cj4gPiA+ IFRoZSByZWFzb24gdGhlIGF0aDlrIGlzc3VlIHdhcyBmb3VuZCBxdWlja2x5Cj4gPiA+IGlzIHZl cnkgbGlrZWx5ICpOT1QqIGJlY2F1c2UgYXRoOWsgaXMgdGhlIG9ubHkgdGhpbmcgYWZmZWN0ZWQu IE5vLAo+ID4gPiBpdCdzIGJlY2F1c2UgYXRoOWsgaXMgcmVsYXRpdmVseSBjb21tb24uCj4gPgo+ ID4gSW5kZWVkLiBCdXQgaGF2aW5nIGEgd2lmZSB3aG8gY29tcGxhaW5zIGFib3V0IG5vbi13b3Jr aW5nIFdpLUZpIHByaW50ZXIgZGVmaW5pdGVseSBoZWxwcyBpbiBmaW5kaW5nIHRoZSBpc3N1ZSB0 b28uCj4gCj4gV2VsbCwgbWF5YmUgd2Ugc2hvdWxkIGNyZWRpdCBoZXIgaW4gdGhlIGV2ZW50dWFs IHJlc29sdXRpb24gKHdoYXRldmVyCj4gaXQgZW5kcyB1cCBiZWluZykuCj4gCj4gQWx0aG91Z2gg cHJvYmFibHkgbm90IHVzaW5nIHRoYXQgZXhhY3Qgd29yZGluZy4KCldoaWxlIE9saGEgaGFzIGFs cmVhZHkgYmVlbiBDYydlZCBoZXJlLCBJIGNhbiBkZWZpbml0ZWx5IGVuY291cmFnZSBoZXIgaW4g cGVyc29uIHRvIHByb3ZpZGUgUmVwb3J0ZWQtYnkvVGVzdGVkLWJ5IGlmIG5lZWRlZCA6KS4KCi0t IApPbGVrc2FuZHIgTmF0YWxlbmtvIChwb3N0LWZhY3R1bSkKCgpfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwppb21tdSBtYWlsaW5nIGxpc3QKaW9tbXVAbGlz dHMubGludXgtZm91bmRhdGlvbi5vcmcKaHR0cHM6Ly9saXN0cy5saW51eGZvdW5kYXRpb24ub3Jn L21haWxtYW4vbGlzdGluZm8vaW9tbXU=