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 X-Spam-Level: X-Spam-Status: No, score=-8.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 12288C7618B for ; Fri, 26 Jul 2019 12:01:08 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DD470218DA for ; Fri, 26 Jul 2019 12:01:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DD470218DA Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from mail.linux-foundation.org (localhost [127.0.0.1]) by mail.linuxfoundation.org (Postfix) with ESMTP id AF09DC8F; Fri, 26 Jul 2019 12:01:07 +0000 (UTC) Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id EF62FAB9 for ; Fri, 26 Jul 2019 12:01:05 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp1.linuxfoundation.org (Postfix) with ESMTP id E71F989C for ; Fri, 26 Jul 2019 12:01:04 +0000 (UTC) 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 9F185344; Fri, 26 Jul 2019 05:01:04 -0700 (PDT) Received: from [10.1.197.57] (e110467-lin.cambridge.arm.com [10.1.197.57]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id B2B983F694; Fri, 26 Jul 2019 05:01:03 -0700 (PDT) Subject: Re: [PATCH] iommu: arm-smmu-v3: Mark expected switch fall-through To: Anders Roxell , will@kernel.org, joro@8bytes.org References: <20190726112821.19775-1-anders.roxell@linaro.org> From: Robin Murphy Message-ID: <522507e5-96e6-2bf4-cf91-73963a77358d@arm.com> Date: Fri, 26 Jul 2019 13:01:02 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <20190726112821.19775-1-anders.roxell@linaro.org> Content-Language: en-GB Cc: linux-arm-kernel@lists.infradead.org, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: iommu-bounces@lists.linux-foundation.org Errors-To: iommu-bounces@lists.linux-foundation.org T24gMjYvMDcvMjAxOSAxMjoyOCwgQW5kZXJzIFJveGVsbCB3cm90ZToKPiBXaGVuIGZhbGwtdGhy b3VnaCB3YXJuaW5ncyB3YXMgZW5hYmxlZCBieSBkZWZhdWx0LCBjb21taXQgZDkzNTEyZWYwZjBl CgpUaGF0IGNvbW1pdCBJRCBvbmx5IGV4aXN0cyBpbiBhIGhhbmRmdWwgb2Ygb2xkIGxpbnV4LW5l eHQgdGFncy4KCj4gKCJNYWtlZmlsZTogR2xvYmFsbHkgZW5hYmxlIGZhbGwtdGhyb3VnaCB3YXJu aW5nIiksIHRoZSBmb2xsb3dpbmcKPiB3YXJuaW5nIHdhcyBzdGFydGluZyB0byBzaG93IHVwOgo+ IAo+IC4uL2RyaXZlcnMvaW9tbXUvYXJtLXNtbXUtdjMuYzogSW4gZnVuY3Rpb24g4oCYYXJtX3Nt bXVfd3JpdGVfc3RydGFiX2VudOKAmToKPiAuLi9kcml2ZXJzL2lvbW11L2FybS1zbW11LXYzLmM6 MTE4OTo3OiB3YXJuaW5nOiB0aGlzIHN0YXRlbWVudCBtYXkgZmFsbAo+ICAgdGhyb3VnaCBbLVdp bXBsaWNpdC1mYWxsdGhyb3VnaD1dCj4gICAgICBpZiAoZGlzYWJsZV9ieXBhc3MpCj4gICAgICAg ICBeCj4gLi4vZHJpdmVycy9pb21tdS9hcm0tc21tdS12My5jOjExOTE6Mzogbm90ZTogaGVyZQo+ ICAgICBkZWZhdWx0Ogo+ICAgICBefn5+fn5+Cj4gCj4gUmV3b3JrIHNvIHRoYXQgdGhlIGNvbXBp bGVyIGRvZXNuJ3Qgd2FybiBhYm91dCBmYWxsLXRocm91Z2guIE1ha2UgaXQKPiBjbGVhcmVyIGJ5 IGNhbGxpbmcgJ0JVRygpJyB3aGVuIGRpc2FibGVfYnlwYXNzIGlzIHNldCwgYW5kIGFsd2F5cwo+ ICdicmVhazsnCj4gCj4gQ2M6IHN0YWJsZUB2Z2VyLmtlcm5lbC5vcmcgIyB2NC4yKwo+IEZpeGVz OiA1YmMwYTExNjY0ZTEgKCJpb21tdS9hcm0tc21tdTogRG9uJ3QgQlVHKCkgaWYgd2UgZmluZCBh Ym9ydGluZyBTVEVzIHdpdGggZGlzYWJsZV9ieXBhc3MiKQoKV2h5PyBUaGVyZSdzIG5vIGFjdHVh bCBidWcsIGFuZCBub3QgZXZlbiBjdXJyZW50IGtlcm5lbHMgaGF2ZSB0aGF0IAp3YXJuaW5nIGVu YWJsZWQuCgo+IFNpZ25lZC1vZmYtYnk6IEFuZGVycyBSb3hlbGwgPGFuZGVycy5yb3hlbGxAbGlu YXJvLm9yZz4KPiAtLS0KPiAgIGRyaXZlcnMvaW9tbXUvYXJtLXNtbXUtdjMuYyB8IDUgKysrLS0K PiAgIDEgZmlsZSBjaGFuZ2VkLCAzIGluc2VydGlvbnMoKyksIDIgZGVsZXRpb25zKC0pCj4gCj4g ZGlmZiAtLWdpdCBhL2RyaXZlcnMvaW9tbXUvYXJtLXNtbXUtdjMuYyBiL2RyaXZlcnMvaW9tbXUv YXJtLXNtbXUtdjMuYwo+IGluZGV4IGE5YTlmYWJkMzk2OC4uOGU1ZjA1NjU5OTZkIDEwMDY0NAo+ IC0tLSBhL2RyaXZlcnMvaW9tbXUvYXJtLXNtbXUtdjMuYwo+ICsrKyBiL2RyaXZlcnMvaW9tbXUv YXJtLXNtbXUtdjMuYwo+IEBAIC0xMTg2LDggKzExODYsOSBAQCBzdGF0aWMgdm9pZCBhcm1fc21t dV93cml0ZV9zdHJ0YWJfZW50KHN0cnVjdCBhcm1fc21tdV9tYXN0ZXIgKm1hc3RlciwgdTMyIHNp ZCwKPiAgIAkJCXN0ZV9saXZlID0gdHJ1ZTsKPiAgIAkJCWJyZWFrOwo+ICAgCQljYXNlIFNUUlRB Ql9TVEVfMF9DRkdfQUJPUlQ6Cj4gLQkJCWlmIChkaXNhYmxlX2J5cGFzcykKPiAtCQkJCWJyZWFr Owo+ICsJCQlpZiAoIWRpc2FibGVfYnlwYXNzKQo+ICsJCQkJQlVHKCk7CgpZb3UgbWF5IGFzIHdl bGwganVzdCB1c2UgQlVHX09OKCkuCgpSb2Jpbi4KCj4gKwkJCWJyZWFrOwo+ICAgCQlkZWZhdWx0 Ogo+ICAgCQkJQlVHKCk7IC8qIFNURSBjb3JydXB0aW9uICovCj4gICAJCX0KPiAKX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KaW9tbXUgbWFpbGluZyBsaXN0 CmlvbW11QGxpc3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0dHBzOi8vbGlzdHMubGludXhmb3Vu ZGF0aW9uLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2lvbW11