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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 60554C43327 for ; Thu, 2 Jul 2026 15:19:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=una0b7iSQE3/1X7UfiBFNzSBZGQVECZybRvoQUF1H+I=; b=mcUU3ELflx+vasywU1tZIUF4X1 r/gXUMT49pLeCYNamLnGtVFYYc2uR/hd28EYECpetlatVkxvJuaWj5exnjqS21I0xffV9Cj18sqzw BAh4L9GzTGprnwuwhugxnswlzyNFu0WX5rRieJRwTLXUpd2/WH7sJvJuvR/Xj9Myaaf07LwaG1357 naX0z5aj6f3dk2Y0ToQXQPc3hMpNU9hMMu8DQw2Sx6ZR2oxp9Qk8Jkb7steT575aWyvbuWr53yO/0 8F/ITJzd8GxJQbleXEzO6pG/toodg8pYIVmfOKniWLRltWvs8Jn/gLAQZZWrug/5ePTZj8DibGvgs 9NUb8mJw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wfJCY-00000004mtx-0NxK; Thu, 02 Jul 2026 15:19:42 +0000 Received: from mail-qv1-xf2d.google.com ([2607:f8b0:4864:20::f2d]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wfJCW-00000004mtS-0M75 for linux-arm-kernel@lists.infradead.org; Thu, 02 Jul 2026 15:19:41 +0000 Received: by mail-qv1-xf2d.google.com with SMTP id 6a1803df08f44-8efcef23d21so12569556d6.2 for ; Thu, 02 Jul 2026 08:19:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; t=1783005579; x=1783610379; darn=lists.infradead.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=una0b7iSQE3/1X7UfiBFNzSBZGQVECZybRvoQUF1H+I=; b=Huxm94KL/7zzhdaPRNoD2NH4j7ldZuY+MgbPRYUCqt5o534gWtDzQfk0lGrK6hrCHy zE84DAx8lNUBOTmaPrlVffslciM23ZTetcia2w2g2f+B4OA2O3dQU2ZW/wyD7Lp/KkgY i2EvqOZKE4SRH6WkIBQ6Um9PVcQBE45AoQ20Cte3aFxeQwCqJTlqMhpdoudVqdXGAWy7 St6cCXHfmAf/o8HkRmsogvzlCjzJAlmZVlrrtC1PcGJAWvg4yvITH662yhKXyHAeCTwj 8bRSBP7A0+aWfsXRHlv1cVBOZ7M/NJdWnHY5QMKhbndRHlqzM9yF8n1uTB+bcMk+oqaD bl8g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1783005579; x=1783610379; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-gg:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=una0b7iSQE3/1X7UfiBFNzSBZGQVECZybRvoQUF1H+I=; b=FwaoMG+g5oNSTk3oIMRYR3F2OqZvK9uF9mvDhBJsrGxaxAzzwzfQ1O1iiRKgvhgBVO w/bEVCyZIarWVp0oVBnY80fmSGmdv0sOfyUCOZkgzpbIQUE0Z0e58brepes/ecQmEXvZ ZD69uSEQEkkMSJvgI/zSCZHsApdz8i4CI/cstifQJQ65/wsbxHY/i+d0823lCJ0rZtjN OTNMVSWMvlJBnKa+BnwkV9S3uAONSFy12Tc7sAYMiWfrfT+Op89gzT76AhfBYt9D+1Da Dk+wLM2Gkr5e/PjDlrFtuWFhXnwqUapRL8P49sBH/z7yCpT9+V45S+Be+L+1hEn6xyvf BtgQ== X-Forwarded-Encrypted: i=1; AHgh+Rq2Pj9pjy0N6ZkRGSsXYSqJO2Jxhlu/ANMua/VHkUWhh05pbK1/YrlO7wGHWyykWZZ+OFZIt3IrsmgLCPlPoaVR@lists.infradead.org X-Gm-Message-State: AOJu0YwdVGUcp1iDsn9OfpxI4JC8MUCmXWL9krmOBNzKJIEMBnrLA+Mw AF9j27YB/JGjJBTG+m84TxsEXWSG0zrLBkwXwIdHzPdfvgSypEFFLwevaw85v9CzNOxMhyx3Qj7 ydnV7 X-Gm-Gg: AfdE7cm5ZtQVoCXAFQQMUibOPmr3/elmlLru0pRujLpKDpgoAwDTk4DU9Nlakk1pvCG s4rRwoGMgY/oFeMRjB34xU80C7dPXyK4tejpMIZqVMeGILZBHu9eNaLjaIzWwGGWX2/9Etr4BCf /vlaiNSEf7AjT4mmW1GKiyhKsWXFchLxFd2HAnZZEQEPBLpOr4GNtWCS8BK7WpLfch3k/3IiuMD BaDRIzlY+E7DQ44y+POcKJlfZ6146RbdsIFbWRSTO7mZuBJxdSHkujP8FjQj25ZWQainr27bTSF gV/g/A+gVgtQjJAze5L6/glPVHnV8tDgYPLdBZgvD5lOOtO1X2wjFAG6etDLiMAUs7mUYg4Pm61 vto0nC/xHc9j2JJCBsSuq22oIi9n2yqi+fePMfCYRfah8IrM2l3fOR/D6iiCANzBqTCJJ6pBiQN 8SDpwAsf2Vzp461RNykSZLoNVJnxJzNzGloeN2FXMBI6s+b/tf1NMygFX3Z7VIITiuoMI= X-Received: by 2002:a05:6214:4208:b0:8de:16a7:fbe3 with SMTP id 6a1803df08f44-8f3c863d139mr68985636d6.31.1783005578597; Thu, 02 Jul 2026 08:19:38 -0700 (PDT) Received: from ziepe.ca (crbknf0213w-47-54-130-67.pppoe-dynamic.high-speed.nl.bellaliant.net. [47.54.130.67]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-8f471de93a1sm27985376d6.34.2026.07.02.08.19.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Jul 2026 08:19:36 -0700 (PDT) Received: from jgg by wakko with local (Exim 4.97) (envelope-from ) id 1wfJCR-00000005wsj-2X8o; Thu, 02 Jul 2026 12:19:35 -0300 Date: Thu, 2 Jul 2026 12:19:35 -0300 From: Jason Gunthorpe To: "Aneesh Kumar K.V" Cc: Alexey Kardashevskiy , Catalin Marinas , iommu@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-coco@lists.linux.dev, Robin Murphy , Marek Szyprowski , Will Deacon , Marc Zyngier , Steven Price , Suzuki K Poulose , Jiri Pirko , Mostafa Saleh , Petr Tesarik , Dan Williams , Xu Yilun , linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , "Christophe Leroy (CS GROUP)" , Alexander Gordeev , Gerald Schaefer , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , Sven Schnelle , x86@kernel.org Subject: Re: [PATCH v6 00/20] dma-mapping: Use DMA_ATTR_CC_SHARED through direct, pool and swiotlb paths Message-ID: <20260702151935.GR7525@ziepe.ca> References: <2ecfa1a8-6202-4319-9692-a6ffeb5a3dbf@amd.com> <20260618153705.GH231643@ziepe.ca> <20260619122148.GL231643@ziepe.ca> <20260619140616.GB1068655@ziepe.ca> <20260630174216.GK7525@ziepe.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260702_081940_132599_1265E480 X-CRM114-Status: UNSURE ( 9.50 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Jul 01, 2026 at 08:39:06AM +0530, Aneesh Kumar K.V wrote: > This is the only code path where we need to special-case host memory > encryption. For this reason, I have avoided renaming > io_tlb_mem::cc_shared to io_tlb_mem::unencrypted. I can send a v7 with > the above and we can review the changes based on that? I'm OK with this Jason