From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9DD2724B28 for ; Mon, 21 Sep 2026 06:48:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789973294; cv=none; b=kCWkgMgwZ6ISBCYI0eXh31e4W3D3h1nL+/0rJz/oBvDDgnS06Co/283x6pz46+Uni2CvmI22aePTfzW7hEwY4h+xTDFGDTw9UUuPuMX/ROw9VXLtZHtpDYCyziltynlCmp7ONXu6wI4BXdfQfpuabo0anFo16mIHt7IdlLXMz9s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789973294; c=relaxed/simple; bh=ySNKkJo9sWvrvSInxNYM3dqbHzeUZdvx2prrm4xnqDc=; h=From:Subject:To:Cc:In-Reply-To:References:Content-Type:Date: Message-Id; b=f5q5adTpEMRJVXyYc7HOxiR+qKvKjHr2o9Cr1uMilOMg3SE2TlOh/6mjQeYSCg2M5x1U9H1btpEcR2DfLmQSkhE2QpiKKcLXtudLd5TTfb0y0zgqJA9uGFEZax3l1O5/aH4gzVAurmNUxEahyRt4RBKD3v9PWg5nlT5MIzmOD4g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Osd8LgzT; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Osd8LgzT" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CF56F1F000FF; Mon, 21 Sep 2026 06:48:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789973293; bh=ySNKkJo9sWvrvSInxNYM3dqbHzeUZdvx2prrm4xnqDc=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=Osd8LgzTMzeZxVgpBWes8/6mM9SsXWebHZHXKsrnk2U3BOaKC+cUKXf1Yz6K5kpN7 3nIsN8Ta0fxACIB9PTutL02s+amjuzopAkrtwLJ1Wsj8oVF8n4J9whsmMX/pUNyM96 LrvkPytkRP0heJVt6Z/Jq5Zl/OD56r5/+Ig22fe0ipfKXdIjVu8HIEk+GApkSDiG0Z /kA0etBEZlx2CjKgKb2wt5l7qGtHFJtaro1OndWZpVj71BT9Xqbg0ikHaH1+vIpeBZ 1RZFN/t8xjWbJ6EUgdImxB6O8nstUrxlEuHTu2yB/YYBu2OlntSrakKpKMYpYQl8i7 IRGf+c3hXX2UA== From: sashiko-bot@kernel.org Subject: Re: [PATCH v5 6/6] dma: swiotlb: Remove SWIOTLB_ANY Reply-To: sashiko-reviews@lists.linux.dev To: =?utf-8?b?QW5lZXNoIEt1bWFyIEsuViAoQXJtKQ==?= Cc: "Vasily Gorbik" , "Alexander Gordeev" , "Christian Borntraeger" , "Heiko Carstens" , linux-s390@vger.kernel.org In-Reply-To: <20260921063628.362078-7-aneesh.kumar@kernel.org> References: <20260921063628.362078-1-aneesh.kumar@kernel.org> <20260921063628.362078-7-aneesh.kumar@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Mon, 21 Sep 2026 06:48:12 +0000 Message-Id: <20260921064812.CF56F1F000FF@smtp.kernel.org> Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > swiotlb pools are currently allocated below the architecture's low > address limit by default. SWIOTLB_ANY overrides this and permits > allocation anywhere in directly mapped memory. >=20 > SWIOTLB_INIT_ADDRESSING_LIMIT now explicitly identifies callers which > need a pool that is reachable by devices with limited DMA addressing. > Use it as the placement constraint and remove SWIOTLB_ANY. >=20 > This changes the default behavior for callers which do not set either > flag. Previously, omitting SWIOTLB_ANY placed the default pool below the > architecture's low address limit and also constrained dynamically > allocated pools to the same range. After this change, omitting > SWIOTLB_INIT_ADDRESSING_LIMIT permits both static and dynamic pools to > use any directly mapped memory. >=20 > Reviewed-by: Catalin Marinas > Signed-off-by: Aneesh Kumar K.V (Arm) Sashiko has reviewed this patch and found no issues. It looks great! --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20260921063628.3620= 78-1-aneesh.kumar@kernel.org?part=3D6