From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 20AB1556B85; Thu, 17 Sep 2026 13:56:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789653392; cv=none; b=KIvseWvQu8SHRSBA46oH2yqzvHyUvDPCt/SgXEvnuiQxFy2ydriSQf3iS3w319DNGTc4AtehjX/QCHnCG/KKQjwLi9Laxk+Hso1JaCErikpeGjXW4unCk1HIRRFEobu9rPSv3O/+8fFI6KFePoK8wurGLruvWXKwk/H99hva3mg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789653392; c=relaxed/simple; bh=cGE2EkalOjii1hGk7CCGEF4bxsitAjnoF4GCjMn4NIk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=UxP0ZuwgkBe3oxIxhdUqSBd6vicN61acYWjzd80TQqpcMK8Gab0A5dl226cLZ+BgZSRWnWGiuFdyY/gQ2AFsnaijmWC/IRemqyIHN30FqOC79VLOWDhOvU6IMtskeJHZVeiTtpW3NjYOj02nQB2FlzG459f9QJ6PqvdkxGA9iRE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=O7QaN8q/; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="O7QaN8q/" 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 9DEA61476; Thu, 17 Sep 2026 06:56:19 -0700 (PDT) Received: from J2N7QTR9R3 (usa-sjc-imap-foss1.foss.arm.com [10.121.207.14]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 5FDD73F7B4; Thu, 17 Sep 2026 06:56:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1789653383; bh=cGE2EkalOjii1hGk7CCGEF4bxsitAjnoF4GCjMn4NIk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=O7QaN8q/Mp6bfa0AwDVKGRPBV4gcPWlP4+59EpoUDwCxhGUnlQlmBkXOXkCcd0cwL UncUueYSTPHhmqDFRIKpZ2gbeAHG/ywbMPlOCeKtVAiawqgZIGoToK7dYkhWKXZVUu aOAxtL2+YJNombE8jY84/F4dqALrCg6F87cXUPkU= Date: Thu, 17 Sep 2026 14:56:18 +0100 From: Mark Rutland To: Jason Gunthorpe Cc: Will Deacon , Catalin Marinas , Jonathan Corbet , iommu@lists.linux.dev, "Joerg Roedel (AMD)" , Jean-Philippe Brucker , linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, Randy Dunlap , Robin Murphy , Shuah Khan , David Matlack , Jean-Philippe Brucker , Jonathan Cameron , Nicolin Chen , Pasha Tatashin , patches@lists.linux.dev, Pranjal Shrivastava , Samiullah Khawaja , Mostafa Saleh , stable@vger.kernel.org, Vijayanand Jitta Subject: Re: [PATCH v6 1/9] iommu/arm-smmu-v3: Handle ARM erratum for CONT under invalidation with SVA Message-ID: References: <0-v6-9cd17417d355+281836-smmu_tlbi_jgg@nvidia.com> <1-v6-9cd17417d355+281836-smmu_tlbi_jgg@nvidia.com> <20260917131601.GY3968357@nvidia.com> <20260917134753.GD3968357@nvidia.com> Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260917134753.GD3968357@nvidia.com> On Thu, Sep 17, 2026 at 10:47:53AM -0300, Jason Gunthorpe wrote: > On Thu, Sep 17, 2026 at 02:44:42PM +0100, Will Deacon wrote: > > > If we can do that without churning the driver (looks like we can), then > > it's probably worth it, but I wouldn't be keen on churning existing code > > for things like this. > > Okay, I will churn this series then.. Thanks, and sorry that this feedback was last-minute. Mark.