From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (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 1C57E221DAE for ; Wed, 28 Jan 2026 14:23:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.95.11.211 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769610182; cv=none; b=kNVXP4GbcWUQRglcLnOqgkBHLaXW6zKB9fjVhQBt4GINrgjWHdrBd6mVSTnsjr4lo4BhPzAzN3HF5dsRkRzsdtRvGuCozqwm4d/jTczJOKLqCKZi/nvMPLgd6/IZC8XJcuHrOeiX98fv2779s2mKEZFoxqtIXuW07CFNPZArgWw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769610182; c=relaxed/simple; bh=0Ef8djpfBMKRzm7uv8zMZBUYSAMPA924VdrV9qxTSVk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=MKdadkyVLiz8i2rn3CkaYN31uImxolE99qLpquL2MgmBA6tnYrWinhsss9dcJLm1wFcFuKWIWDyhK6CSbPSVuO7jHEZZstRQr54eMOQEdFmkreIJsaMJsU//CvuiVj7q2xV4LyFTh71TNN9yQfSCtZjBJV5TP1gscBYuJ9svi6A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lst.de; spf=pass smtp.mailfrom=lst.de; arc=none smtp.client-ip=213.95.11.211 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lst.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lst.de Received: by verein.lst.de (Postfix, from userid 2407) id B7173227AAC; Wed, 28 Jan 2026 15:22:55 +0100 (CET) Date: Wed, 28 Jan 2026 15:22:55 +0100 From: Christoph Hellwig To: Roger Pau =?iso-8859-1?Q?Monn=E9?= Cc: Christoph Hellwig , xen-devel@lists.xenproject.org, Jens Axboe , Keith Busch , "Martin K. Petersen" , linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, Sagi Grimberg Subject: Re: [PATCH] nvme-pci: fix parameter order in nvme_free_sgls() call Message-ID: <20260128142255.GA3210@lst.de> References: <20260127195907.34563-1-roger.pau@citrix.com> <20260128084958.GB9373@lst.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) On Wed, Jan 28, 2026 at 10:10:08AM +0100, Roger Pau Monné wrote: > > > the root device as part of a kernel update is unexpected. Sadly 6.18 > > > already contained this issue, and no-one noticed, so its impact is limited? > > > > This only affects non-IOMMU paths with a non-noop dma_unmap_phys. > > So it is a very common setup, but very severe for those. Because of > > Do you mean a "not very common setup"? Otherwise I can't parse the > sentence. Yes, sorry.