From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from va-2-28.ptr.blmpb.com (va-2-28.ptr.blmpb.com [209.127.231.28]) (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 12BCA3803DE for ; Tue, 1 Sep 2026 08:21:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.127.231.28 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788250878; cv=none; b=WRPawNXCCy79d5yd3TSWgOuACB49BgeN4Dj5QBgFJgLZi1gde7aJQvChpcxOLd1iA/RGYGNhv5rNb1jYP/7ZWQwxN4eA9BpydVTiPaO9xwllQXgQQNO3CbD8zVy0bzmVBI8drqlKeAFpOmM85AoY28mdmprgn3bxjn2Me4mGgSY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788250878; c=relaxed/simple; bh=Tf++B65BqI9goJyWRFQD12XSAHLb8zatZrIZcNoy2zE=; h=To:Date:Content-Type:In-Reply-To:References:Message-Id: Content-Disposition:Cc:From:Subject:Mime-Version; b=LI1w67GFMQ9wzWNbpsNN2QwTKEnpRSmMM4qzmNoKCP5UeTD3v3B0Zsusvm5MnsTM1yM+5WUJNDPw3JV4ukG9vaRnA+E1Bscdr/Q3wF0mlimoubeKDSGGOANREtXOzHO9hk9U8k4DQMuGDbKfH6s5JgGSyr8oDUn34eAf7u/xiCY= 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=cQYyEk0w; arc=none smtp.client-ip=209.127.231.28 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="cQYyEk0w" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; s=feishu2604151535; d=picoheart.com; t=1788250867; h=from:subject: mime-version:from:date:message-id:subject:to:cc:reply-to:content-type: mime-version:in-reply-to:message-id; bh=3EU+WyNrIBc1ywamQPHDaiJRGwSjOx0FUX2meGEGOtI=; b=cQYyEk0wRXOQMT7ddV9yVkLJiyNZ+GgGMtUXs4uDByN2KMrmd5aT1fEN/mfyGdsrYITkbP clkuW5YQuV1wfnptfGU2vFTlkfXr4hNuwxrlIykwcx6+yGYxvpjvMlMon+Drk47N2bxMKA dPbGk2iexOWV2sYaAE1Fs3315ZTu5qmZL8m/IIXN+ghIsmI5HFM0iEbrV7ZJGiqDrJALmJ mIP/cbTaHZRzpmgq/toNPeo1li+UbMtV/XCCtH9fx0/R3hdK76aYou5OQV+Cx2bSBkR+P0 G5bEpC7WySbBbyGbJBQlH7RyVtXzXINDHeASlC2pvrMYt5hEiX4QGHwZnOUavQ== To: "Jason Gunthorpe" Date: Tue, 1 Sep 2026 16:21:02 +0800 Content-Type: text/plain; charset=UTF-8 In-Reply-To: <20260827131025.GF1449020@ziepe.ca> References: <20260827131025.GF1449020@ziepe.ca> Message-Id: X-Lms-Return-Path: Content-Disposition: inline Cc: , , , , , From: "Zhaoyu Liu" Subject: Re: [PATCH] iommu/sva: remove iommu_sva_present flag X-Original-From: Zhaoyu Liu Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Received: from hostpc ([183.129.139.234]) by smtp.feishu.cn with ESMTPS; Tue, 01 Sep 2026 16:21:04 +0800 Content-Transfer-Encoding: 7bit Thank you, Jason. Hi joro, will, robin, baolu, could you help merge this patch? Thanks, zackary On Thu, Aug 27, 2026 at 10:10:25AM -0300, Jason Gunthorpe wrote: > On Sun, Aug 23, 2026 at 05:24:36PM +0800, 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. > > > > Signed-off-by: Zhaoyu Liu > > --- > > drivers/iommu/iommu-sva.c | 14 +++----------- > > 1 file changed, 3 insertions(+), 11 deletions(-) > > Reviewed-by: Jason Gunthorpe > > Jason