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 C14A1C4167B for ; Wed, 29 Nov 2023 16:49:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To:Subject: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Ni0tk9e7i14kgguwfsdIzX7qjM4Kt11L52gFIOTNadk=; b=yb1GTAu8Awgp9t 0xKPlsSQbZ/tUmh/8TaPDekOkZ5sUG9KCRI8n0SxXovh/Wp0ROqKhhYc16zhVbFjh8QU7MdIOc2+a fMaqGRsUN1cFguxAb3QuoWD7UMNC0xZJB8ipz+cC1ILATocZjnIAYI5iLEnfA0UWicEFh/qtZURYb sm3fEYUqHQN3qdaHhzOXtElDdadMqfShzGz6VAAZZo2yV/7OQSAASZrLcRymzn8KM7LOWFIqOpDme 4WKF3Ur+/s4WKqkqm0NY8NRJZIGGmFhP0gGWGfEpKa0ZMFnSFt6AwFYskkALS5HnTVBJsneLCUi+G NrnFF8hJ2yuVlMCrsz4w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1r8NkD-008w8T-0p; Wed, 29 Nov 2023 16:49:01 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1r8Nk8-008w6N-2f; Wed, 29 Nov 2023 16:48:58 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 96AD0C15; Wed, 29 Nov 2023 08:49:40 -0800 (PST) Received: from [10.1.196.40] (e121345-lin.cambridge.arm.com [10.1.196.40]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 69D1A3F73F; Wed, 29 Nov 2023 08:48:47 -0800 (PST) Message-ID: <52de3aca-41b1-471e-8f87-1a77de547510@arm.com> Date: Wed, 29 Nov 2023 16:48:43 +0000 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 08/16] iommu/fsl: use page allocation function provided by iommu-pages.h Content-Language: en-GB To: Jason Gunthorpe , Pasha Tatashin Cc: akpm@linux-foundation.org, alex.williamson@redhat.com, alim.akhtar@samsung.com, alyssa@rosenzweig.io, asahi@lists.linux.dev, baolu.lu@linux.intel.com, bhelgaas@google.com, cgroups@vger.kernel.org, corbet@lwn.net, david@redhat.com, dwmw2@infradead.org, hannes@cmpxchg.org, heiko@sntech.de, iommu@lists.linux.dev, jasowang@redhat.com, jernej.skrabec@gmail.com, jonathanh@nvidia.com, joro@8bytes.org, kevin.tian@intel.com, krzysztof.kozlowski@linaro.org, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-rockchip@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-sunxi@lists.linux.dev, linux-tegra@vger.kernel.org, lizefan.x@bytedance.com, marcan@marcan.st, mhiramat@kernel.org, mst@redhat.com, m.szyprowski@samsung.com, netdev@vger.kernel.org, paulmck@kernel.org, rdunlap@infradead.org, samuel@sholland.org, suravee.suthikulpanit@amd.com, sven@svenpeter.dev, thierry.reding@gmail.com, tj@kernel.org, tomas.mudrunka@gmail.com, vdumpa@nvidia.com, virtualization@lists.linux.dev, wens@csie.org, will@kernel.org, yu-cheng.yu@intel.com References: <20231128204938.1453583-1-pasha.tatashin@soleen.com> <20231128204938.1453583-9-pasha.tatashin@soleen.com> <1c6156de-c6c7-43a7-8c34-8239abee3978@arm.com> <20231128235037.GC1312390@ziepe.ca> From: Robin Murphy In-Reply-To: <20231128235037.GC1312390@ziepe.ca> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231129_084856_961028_53EADE26 X-CRM114-Status: GOOD ( 23.13 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org T24gMjgvMTEvMjAyMyAxMTo1MCBwbSwgSmFzb24gR3VudGhvcnBlIHdyb3RlOgo+IE9uIFR1ZSwg Tm92IDI4LCAyMDIzIGF0IDA2OjAwOjEzUE0gLTA1MDAsIFBhc2hhIFRhdGFzaGluIHdyb3RlOgo+ PiBPbiBUdWUsIE5vdiAyOCwgMjAyMyBhdCA1OjUz4oCvUE0gUm9iaW4gTXVycGh5IDxyb2Jpbi5t dXJwaHlAYXJtLmNvbT4gd3JvdGU6Cj4+Pgo+Pj4gT24gMjAyMy0xMS0yOCA4OjQ5IHBtLCBQYXNo YSBUYXRhc2hpbiB3cm90ZToKPj4+PiBDb252ZXJ0IGlvbW11L2ZzbF9wYW11LmMgdG8gdXNlIHRo ZSBuZXcgcGFnZSBhbGxvY2F0aW9uIGZ1bmN0aW9ucwo+Pj4+IHByb3ZpZGVkIGluIGlvbW11LXBh Z2VzLmguCj4+Pgo+Pj4gQWdhaW4sIHRoaXMgaXMgbm90IGEgcGFnZXRhYmxlLiBUaGlzIHRoaW5n IGRvZXNuJ3QgZXZlbiAqaGF2ZSogcGFnZXRhYmxlcy4KPj4+Cj4+PiBTaW1pbGFyIHRvIHBhdGNo ZXMgIzEgYW5kICMyIHdoZXJlIHlvdSdyZSBsdW1waW5nIGluIGNvbmZpZ3VyYXRpb24KPj4+IHRh YmxlcyB3aGljaCBiZWxvbmcgdG8gdGhlIElPTU1VIGRyaXZlciBpdHNlbGYsIGFzIG9wcG9zZWQg dG8gcGFnZXRhYmxlcwo+Pj4gd2hpY2ggZWZmZWN0aXZlbHkgYmVsb25nIHRvIGFuIElPTU1VIGRv bWFpbidzIHVzZXIuIEJ1dCB0aGVuIHRoZXJlIGFyZQo+Pj4gc3RpbGwgZHJpdmVycyB3aGVyZSB5 b3UncmUgKm5vdCogYWNjb3VudGluZyBzaW1pbGFyIGNvbmZpZ3VyYXRpb24KPj4+IHN0cnVjdHVy ZXMsIHNvIEkgcmVhbGx5IHN0cnVnZ2xlIHRvIHNlZSBob3cgdGhpcyBtZXRyaWMgaXMgdXNlZnVs IHdoZW4KPj4+IGl0J3Mgc28gY29tcGxldGVseSBpbmNvbnNpc3RlbnQgaW4gd2hhdCBpdCdzIGNv dW50aW5nIDovCj4+Cj4+IFRoZSB3aG9sZSBJT01NVSBzdWJzeXN0ZW0gYWxsb2NhdGVzIGEgc2ln bmlmaWNhbnQgYW1vdW50IG9mIGtlcm5lbAo+PiBsb2NrZWQgbWVtb3J5IHRoYXQgd2Ugd2FudCB0 byBhdCBsZWFzdCBvYnNlcnZlLiBUaGUgbmV3IGZpZWxkIGluCj4+IHZtc3RhdCBkb2VzIGp1c3Qg dGhhdDogaXQgcmVwb3J0cyBBTEwgYnVkZHkgYWxsb2NhdG9yIG1lbW9yeSB0aGF0Cj4+IElPTU1V IGFsbG9jYXRlcy4gSG93ZXZlciwgZm9yIGFjY291bnRpbmcgcHVycG9zZXMsIEkgYWdyZWUsIHdl IG5lZWQgdG8KPj4gZG8gYmV0dGVyLCBhbmQgc2VwYXJhdGUgYXQgbGVhc3QgaW9tbXUgcGFnZXRh YmxlcyBmcm9tIHRoZSByZXN0Lgo+Pgo+PiBXZSBjYW4gc2VwYXJhdGUgdGhlIG1ldHJpYyBpbnRv IHR3bzoKPj4gaW9tbXUgcGFnZXRhYmxlIG9ubHkKPj4gaW9tbXUgZXZlcnl0aGluZwo+Pgo+PiBv ciBpbnRvIHRocmVlOgo+PiBpb21tdSBwYWdldGFibGUgb25seQo+PiBpb21tdSBkbWEKPj4gaW9t bXUgZXZlcnl0aGluZwo+Pgo+PiBXaGF0IGRvIHlvdSB0aGluaz8KPiAKPiBJIHRoaW5rIEkgc2Fp ZCB0aGlzIGF0IExQQyAtIGlmIHlvdSB3YW50IHRvIGhhdmUgZmluZSBncmFpbmVkCj4gYWNjb3Vu dGluZyBvZiBtZW1vcnkgYnkgb3duZXIgeW91IG5lZWQgdG8gZ28gdGFsayB0byB0aGUgY2dyb3Vw IHBlb3BsZQo+IGFuZCBjb21lIHVwIHdpdGggc29tZXRoaW5nIGdlbmVyaWMuIEFkZGluZyBldmVy IG9wZW4gY29kZWQgZmluZXIKPiBjYXRlZ29yeSBicmVha2Rvd25zIGp1c3QgZm9yIGlvbW11IGRv ZXNuJ3QgbWFrZSBhbG90IG9mIHNlbnNlLgo+IAo+IFlvdSBjYW4gbWFrZSBzb21lIGFyZ3VtZW50 IHRoYXQgdGhlIHBhZ2V0YWJsZSBtZW1vcnkgc2hvdWxkIGJlIGNvdW50ZWQKPiBiZWNhdXNlIGt2 bSBjb3VudHMgaXQncyBzaGFkb3cgbWVtb3J5LCBidXQgSSB3b3VsZG4ndCBnbyBpbnRvIGZ1cnRo ZXIKPiBkZXRhaWwgdGhhbiB0aGF0IHdpdGggaGFuZCBjb2RlZCBjb3VudGVycy4uCgpSaWdodCwg cGFnZXRhYmxlIG1lbW9yeSBpcyBpbnRlcmVzdGluZyBzaW5jZSBpdCdzIHNvbWV0aGluZyB0aGF0 IGFueSAKcmFuZG9tIGtlcm5lbCB1c2VyIGNhbiBpbmRpcmVjdGx5IGFsbG9jYXRlIHZpYSBpb21t dV9kb21haW5fYWxsb2MoKSBhbmQgCmlvbW11X21hcCgpLCBhbmQgc29tZSBvZiB0aG9zZSB1c2Vy cyBtYXkgZXZlbiBiZSBkb2luZyBzbyBvbiBiZWhhbGYgb2YgCnVzZXJzcGFjZS4gSSBoYXZlIG5v IG9iamVjdGlvbiB0byBhY2NvdW50aW5nIGFuZCBwb3RlbnRpYWxseSBhcHBseWluZyAKbGltaXRz IHRvICp0aGF0Ki4KCkJleW9uZCB0aGF0LCB0aG91Z2gsIHRoZXJlIGlzIG5vdGhpbmcgc3BlY2lh bCBhYm91dCAidGhlIElPTU1VIApzdWJzeXN0ZW0iLiBUaGUgYW1vdW50IG9mIG1lbW9yeSBhbiBJ T01NVSBkcml2ZXIgbmVlZHMgdG8gYWxsb2NhdGUgZm9yIAppdHNlbGYgaW4gb3JkZXIgdG8gZnVu Y3Rpb24gaXMgbm90IG9mIGludGVyZXN0IGJleW9uZCBjdXJpb3NpdHksIGl0IGp1c3QgCmlzIHdo YXQgaXQgaXM7IGxpbWl0aW5nIGl0IHdvdWxkIG9ubHkgYnJlYWsgdGhlIElPTU1VLCBhbmQgaWYg YSB1c2VyIAp0aGlua3MgaXQncyAidG9vIG11Y2giLCB0aGUgb25seSBhY3Rpb25hYmxlIHRoaW5n IHRoYXQgbWlnaHQgaGVscCBpcyB0byAKcGh5c2ljYWxseSByZW1vdmUgZGV2aWNlcyBmcm9tIHRo ZSBzeXN0ZW0uIFNpbWlsYXIgZm9yIERNQSBidWZmZXJzOyBpdCAKbWlnaHQgYmUgaW50cmlndWlu ZyB0byBhY2NvdW50IHRob3NlLCBidXQgaXQncyBub3QgcmVhbGx5IGFuIGFjdGlvbmFibGUgCm1l dHJpYyAtIGluIHRoZSBvdmVyd2hlbG1pbmcgbWFqb3JpdHkgb2YgY2FzZXMgeW91IGNhbid0IHNp bXBseSB0ZWxsIGEgCmRyaXZlciB0byBhbGxvY2F0ZSBsZXNzIHRoYW4gd2hhdCBpdCBuZWVkcy4g QW5kIHRoYXQgaXMgb2YgY291cnNlIAphc3N1bWluZyBpZiB3ZSB3ZXJlIHRvIGFjY291bnQgKmFs bCogRE1BIGJ1ZmZlcnMsIHNpbmNlIHdoZXRoZXIgdGhleSAKaGFwcGVuIHRvIGhhdmUgYW4gSU9N TVUgdHJhbnNsYXRpb24gb3Igbm90IGlzIGlycmVsZXZhbnQgKHdlJ2QgaGF2ZSAKYWxyZWFkeSBh Y2NvdW50ZWQgdGhlIHBhZ2V0YWJsZXMgYXMgcGFnZXRhYmxlcyBpZiBzbykuCgpJIGJldCAidGhl IG5ldHdvcmtpbmcgc3Vic3lzdGVtIiBhbHNvIGNvbnN1bWVzIHNpZ25pZmljYW50IG1lbW9yeSBv biB0aGUgCnNhbWUga2luZCBvZiBiaWcgc3lzdGVtcyB3aGVyZSBJT01NVSBwYWdldGFibGVzIHdv dWxkIGJlIG9mIGFueSBjb25jZXJuLiAKSSBiZWxpZXZlIHNvbWUgb2YgdGhlIHNvbWUgb2YgdGhl ICJzZXJpb3VzIiBOSUNzIGNhbiBlYXNpbHkgcnVuIHVwIApodW5kcmVkcyBvZiBtZWdhYnl0ZXMg aWYgbm90IGdpZ2FieXRlcyB3b3J0aCBvZiBxdWV1ZXMsIFNLQiBwb29scywgZXRjLiAKLSB3b3Vs ZCB5b3UgcHJvcG9zZSBhY2NvdW50aW5nIHRob3NlIHRvbz8KClRoYW5rcywKUm9iaW4uCgpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpMaW51eC1yb2NrY2hp cCBtYWlsaW5nIGxpc3QKTGludXgtcm9ja2NoaXBAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8v bGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LXJvY2tjaGlwCg==