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 E04B4C43458 for ; Tue, 14 Jul 2026 12:26:48 +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=AuDF+BU2wT5tVoACVa1l/BwLN4UR/axOeynKCGX6Iio=; b=u9JJwuDJGR/DCfabGtLdaLeIGG Dkj0lKhro6dcdmAaorWdaWhykJiEHfh2LnXC1n6zwNmuSX+ldQZ83mIx61HByikr2Q3aFnqJfond0 3H4SD9DkNPvQQC+eDZXfh44nvzxogxASgp50DSB9t9k6q8owwopU8QAJNZTfS23H01LiY53bfDere J1qZe8HAEbtEdq67NyfyCQxtAzGk9eCKIzz1cpfd4RToV2SKtASmgOKN/34RgvtqOMtlDRdnfLbia BfuoRIjYl91sLPEYn7vnZxfojA8BG6ksgpl/bv+4D9MYg44JNeDxmaB7c3ETVUBmViPzX+MjGLX+Z Blh/F8Ww==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wjcDj-0000000BvEk-34VC; Tue, 14 Jul 2026 12:26:43 +0000 Received: from mail-qv1-xf32.google.com ([2607:f8b0:4864:20::f32]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wjcDh-0000000BvEF-2hck for linux-arm-kernel@lists.infradead.org; Tue, 14 Jul 2026 12:26:42 +0000 Received: by mail-qv1-xf32.google.com with SMTP id 6a1803df08f44-8ee88fce572so12373046d6.1 for ; Tue, 14 Jul 2026 05:26:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; t=1784032000; x=1784636800; darn=lists.infradead.org; h=in-reply-to:content-disposition:content-type:mime-version :references:message-id:subject:cc:to:from:date:from:to:cc:subject :date:message-id:reply-to:content-type; bh=AuDF+BU2wT5tVoACVa1l/BwLN4UR/axOeynKCGX6Iio=; b=bLN6GKi+mzza7ExeGpEwILBNLcQ4FbhFYOLXtCHuvrNE+ftaDDOQUEfCMNu6oNmesQ Ghj/ZuY8lq3YHcwjqx8UJnMiZzZ6glT90cHehse+0P2htHFUxkCVF70zguudK+TNnWKr BT0B9FR/JzxTBjEewfefrqwTR0+LEr+32SsRO4tJA6m9x50YAD9c3E5ANFP6xwswkg1V 3MUSJ0+MEUwNM60ChhdlrUnEZLjLoBivFrx1zCSGcA6XI9HIQ/87QChA/TUHsZnuHipJ 1sMycpHJmYja+utIfyZsMCBM3BqmKGZEWp6582kxWMKs88u1cXqHByVEYo/Kkpysq57Z vjCw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1784032000; x=1784636800; h=in-reply-to:content-disposition:content-type: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 :content-type; bh=AuDF+BU2wT5tVoACVa1l/BwLN4UR/axOeynKCGX6Iio=; b=KkcVuwFvPGQUcixMPI62yraPEqZftx4HQ0otq2pP33xo5IcrUGwIQR7/gmaQhpQX61 V/B2ARV4oHympaiH7J/lrkOpGW8pkjEmbvfW2Fe5TImQ7O3r9s+qXsyiUII14FedL3Y/ wKEsga2DnrgFaPK760dlyuhSqJ0YWPVFxE7ZwlDu7QM2RicnkMYMSw5PpPX6Hgwb3JmH RH7ZBmh1EHUmHXk71ilUsdjuCbdKqoXjKNozInbZP3afxUo9Z5UJYlnlymxB+BKVsxmz 63r7WLh+fZ6m9RXaycqTz+Gk/lESn9xOc/9fPtIk6CbMQ/2gh7sG+Ol43FL0PFhBgQ7r CkFg== X-Forwarded-Encrypted: i=1; AHgh+RpBhJ6nFX/H9sieUPYDVaxWM9Ji7TsU1J8dNwp/osvX91/GAs6xgOENHL0bWJD9T8kQ+jKkH9wK1sUz7epLxwnW@lists.infradead.org X-Gm-Message-State: AOJu0YwQvyeBB4LkgKvSbuBdYR4CnTy9pKJSN7JDsEIZLcKhUnvP+EFp h3U6czgEeKNrNWykNz+S1msX98nt1jYaFH8nNavSmQppnGTRNRqOnMt86OaS4FLqShQ= X-Gm-Gg: AfdE7cnQyFwumLw5+3wi8UL7v1ZODifUmPk1Mv74Spu1ZeqTBR65ew7fLkB2WfubosL jHfW3ViaCdSRquvzAlaJCNYCW9dECYD8YGISqUBvZH1qNKmBKHajpzxe35rKbuDIb4KO5ivhplH cr+qTOnDn6wYMdG7agrdDdhnSE8tTOxoXpq+wF4pA4o5n2Len5sTUKwdnPuyy0UrDaKMKJO9HvG 95EfZUsser4F+tUct4fbsmZt7jYvfpEML2WHFfwBEgF8ra0tEYx/4bw+Irox5nLIdqI/h+qG5/J VxoChsELacamZACWN3kM9LkKH6nuz+T1jwKZXXVqdX5lcTMagQRf/Z3JI+QLVHz2uQ2e2Y0InBT ga4eP3kpFdlcfCGdYjxZUAS/b4JaDjkiFGM+XpIjaPSOvFViUZwfK+oaQ9YFZ X-Received: by 2002:a05:6214:1cc6:b0:8e9:f5de:d629 with SMTP id 6a1803df08f44-9040423dcecmr141353846d6.56.1784032000167; Tue, 14 Jul 2026 05:26:40 -0700 (PDT) Received: from ziepe.ca ([159.2.72.92]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-8ffd7c1ec84sm168106996d6.29.2026.07.14.05.26.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Jul 2026 05:26:39 -0700 (PDT) Received: from jgg by wakko with local (Exim 4.97) (envelope-from ) id 1wjcDf-0000000FRvu-0Ugk; Tue, 14 Jul 2026 09:26:39 -0300 Date: Tue, 14 Jul 2026 09:26:39 -0300 From: Jason Gunthorpe To: "Aneesh Kumar K.V" Cc: 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 , Catalin Marinas , Jiri Pirko , Mostafa Saleh , Petr Tesarik , Alexey Kardashevskiy , 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, Jiri Pirko , Michael Kelley Subject: Re: [PATCH v7 11/22] dma-pool: track decrypted atomic pools and select them via attrs Message-ID: <20260714122639.GH3133966@ziepe.ca> References: <20260701054926.825925-1-aneesh.kumar@kernel.org> <20260701054926.825925-12-aneesh.kumar@kernel.org> <20260713184810.GM3133966@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-20260714_052641_692102_5D137973 X-CRM114-Status: GOOD ( 11.80 ) 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 Tue, Jul 14, 2026 at 09:57:43AM +0530, Aneesh Kumar K.V wrote: > > > > But I don't view this as that important, the CC hypervisor is probably > > going to use the S2 page table to force cachable on all system memory > > so the non-cached pgprot is a NOP, but the extra vmap is wasteful and > > it is confusing.. So maybe a little fixme is all that is needed here. > > > > Something like? Yeah Jason