From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ed1-f42.google.com (mail-ed1-f42.google.com [209.85.208.42]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DCAE24405; Thu, 13 Oct 2022 18:17:39 +0000 (UTC) Received: by mail-ed1-f42.google.com with SMTP id l22so3775213edj.5; Thu, 13 Oct 2022 11:17:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=f7qwPUEZ1ZhfA+wANlCjEKHD1jlsyDHPilB/I6xGaZA=; b=OwfkBRBgr2PFFLhPYms8BwxXSG4Fc/fK8EqoqLMWxXrxwEZH0zChQpuSzaJVWYum/F EWYmiYq6Hh1IlFL04YmRQRLZ8SCSU3l9AlL5NDc5LzM9kvEGaYBXnhegk5/Q0E1OUZko MnphSpSgbFutzcpwWwyxMmJjA9d9m+d/zCpfxzmvEZzce+tVvPdGp7fcdyZq1dM33ry6 Ur1QrDlMMv6P/i17YtvM+PtLl/wjMlPc5OmIsMoUpbnE/TiXYxrpIIpb9j8JBLWyXOVC ZpI6fmspp6+uOtN6tYPSkl3/Vt/ztk3Z8LpFlx43HtrhhTudENtKQjlBd8yE7z43pn6D 4JsQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=f7qwPUEZ1ZhfA+wANlCjEKHD1jlsyDHPilB/I6xGaZA=; b=GKUHy3UErjfLnf9XHV5g8BxQRDbZ0TlAINSSgYykSjRRwty55Q71YZHllrhWDBtnVM IjO0I7lmQzRXgpQX4r/MxTfwcW8qLSiZrDXD+Xj8cUVN4NIBqZdTijWVDnkNzoj0DNu6 G+BAX0EMS44VuExs2MMhEHpjorHozmJaEoh0KowVUUlQugjgUamQRsFm4ac5Xg80TxOp MIL0TyUNauVwEbKARDV2qqtdGKb4pHCpqv0dZqqxnQQ5tq85ykWyUCVoWWNFOIhmwph/ WQnTYWFNDkGP7W6227xLo4m1DRhaSQmOmrLzGSl1Ayo90hh8MZeJR8/GFtgdWn5zqFsL 6cRQ== X-Gm-Message-State: ACrzQf1SuGeJ/tFzI24avN2CzS9tfmIYNnuzltEwNQkpEMci1YWUs6Qu 61N+8lXzdC2g0klDSNM6n14= X-Google-Smtp-Source: AMsMyM4tW50WsdxGOymGeUSqnL5oRfzwxkZiFV1zFdsjDVrLwel/HsNrBGerF0BdB9iwstFH+FQueA== X-Received: by 2002:a05:6402:5252:b0:45d:d1a:fe7d with SMTP id t18-20020a056402525200b0045d0d1afe7dmr815908edd.323.1665685058029; Thu, 13 Oct 2022 11:17:38 -0700 (PDT) Received: from kista.localnet (82-149-19-102.dynamic.telemach.net. [82.149.19.102]) by smtp.gmail.com with ESMTPSA id v25-20020aa7dbd9000000b00456c6b4b777sm222778edt.69.2022.10.13.11.17.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Oct 2022 11:17:37 -0700 (PDT) From: Jernej =?utf-8?B?xaBrcmFiZWM=?= To: maxime@cerno.tech, joro@8bytes.org, will@kernel.org, robin.murphy@arm.com, wens@csie.org, samuel@sholland.org Cc: iommu@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH 5/5] iommu/sun50i: Invalidate iova at map and unmap Date: Thu, 13 Oct 2022 20:17:36 +0200 Message-ID: <3161965.AJdgDx1Vlc@kista> In-Reply-To: <20221013181221.3247429-6-jernej.skrabec@gmail.com> References: <20221013181221.3247429-1-jernej.skrabec@gmail.com> <20221013181221.3247429-6-jernej.skrabec@gmail.com> Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" Dne =C4=8Detrtek, 13. oktober 2022 ob 20:12:20 CEST je Jernej Skrabec napis= al(a): > Mapped and unmapped iova addresses needs to be invalidated immediately > or otherwise they might or might not work when used by master device. >=20 > This was discovered when running video decoder conformity test with > Cedrus. Some videos were now and then decoded incorrectly and generated > page faults. >=20 > Fixes: 4100b8c229b3 ("iommu: Add Allwinner H6 IOMMU driver") > Signed-off-by: Jernej Skrabec Please ignore this patch. It's same as next one, with slightly different co= mmit=20 message.