From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from va-2-38.ptr.blmpb.com (va-2-38.ptr.blmpb.com [209.127.231.38]) (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 E4A7D3D0C09 for ; Mon, 14 Sep 2026 06:28:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.127.231.38 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789367326; cv=none; b=ED+v8vFIWbFuJxn4OY2wMfTDcDkEAJpQrXGKEzUgzn/KzvdQBDzM9DS42n+8Q0WlDO8uV30ATcPoWKkL1PRgjb0JzrCyCkkxyx4xrFjDrhhKMNMyNcxemx83n9yoeD1l31DlzCzbvkThWPVFT/Bve9CIiunt7ww03pWlEJp3c2M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789367326; c=relaxed/simple; bh=qQbNDtGIEBu1d7dXB51yp73gOkY2ynQCu3xKODdhecw=; h=Message-Id:Content-Disposition:To:From:References:In-Reply-To: Content-Type:Cc:Subject:Date:Mime-Version; b=CJl6wDUOXW8mPK6CrV5/P0NNS3p5CsUMjYjkQH/CzvFSwP/aRbKar8EqIuYBKF46/x7gC0dTs+ihkPlNpxBzQ/DdH9KMND4I/In6T/tFPNJGEeqb4gRw+7M8LwEgQMWQc1pQ1xIHo3ZaQTlYdK7Ac44Q/zlZKvoRvMxH+wW+eHk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=picoheart.com; spf=pass smtp.mailfrom=picoheart.com; dkim=pass (2048-bit key) header.d=picoheart.com header.i=@picoheart.com header.b=vtHhwFkD; arc=none smtp.client-ip=209.127.231.38 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=picoheart.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=picoheart.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=picoheart.com header.i=@picoheart.com header.b="vtHhwFkD" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; s=feishu2604151535; d=picoheart.com; t=1789367313; h=from:subject: mime-version:from:date:message-id:subject:to:cc:reply-to:content-type: mime-version:in-reply-to:message-id; bh=sQMkuUXUspgukwSOb26Oq32mNEp/z9l0P4KjT+/v4T0=; b=vtHhwFkDXlFepJgpWBBnyZ7kW8fFQ4shf3ixMXKW6/OIpDidkh48B/ZjAJ65kCXd63DHcr IMydUSYGJmU9PQK+kMuOOCVeWiU0M+M4WOLacYTPiFdNgEUQEd3Yn3Jzhdj/0wBfRL3G+r hIp4f+D04MAORUCy4C+I9+Mf1zrPLBHj04uaKddZ68IIffqx7W8Tr8o7uJ4PSVuXoT1y4k 2dyLm8eXTZrWd/lpL+t0P5hf2IyymnOaDlGUWr9Vx9UpifDEClDv/rJ6fJbN3wz0IVNDvC yyK2HVxhWycsQRaU8mKBkU/iBYFBpNMIgi31dviPwmBgxVNNCm6BvNx5x4ciYA== Message-Id: X-Lms-Return-Path: Content-Transfer-Encoding: quoted-printable X-Original-From: Zhaoyu Liu Content-Disposition: inline To: "Baolu Lu" From: "Zhaoyu Liu" Received: from hostpc ([124.160.26.250]) by smtp.feishu.cn with ESMTPS; Mon, 14 Sep 2026 14:28:30 +0800 References: <19132505-225a-45fb-a507-b916a718dccc@linux.intel.com> In-Reply-To: <19132505-225a-45fb-a507-b916a718dccc@linux.intel.com> Content-Type: text/plain; charset=UTF-8 Cc: , , , , Subject: Re: [PATCH] iommu/sva: remove iommu_sva_present flag Date: Mon, 14 Sep 2026 14:28:28 +0800 Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Thank you, Baolu. One more thing =E2=80=94 do you know why the maintainers haven't noticed / = responded to this patch? Jason, Baolu, are you able to contact them directly? Thanks, zackary On Wed, Sep 02, 2026 at 09:37:00AM +0800, Baolu Lu wrote: > On 8/23/2026 5:24 PM, Zhaoyu Liu wrote: > > The global iommu_sva_present bool merely mirrors > > !list_empty(&iommu_sva_mms) under the same mutex. Remove it and rely > > on list_for_each_entry to handle the empty list case, which is a no-op. > >=20 > > Signed-off-by: Zhaoyu Liu > > --- > > drivers/iommu/iommu-sva.c | 14 +++----------- > > 1 file changed, 3 insertions(+), 11 deletions(-) >=20 > Reviewed-by: Lu Baolu