From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 6A7A216D4F6 for ; Wed, 12 Jun 2024 12:35:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718195752; cv=none; b=dEop+M6VAM4yd4VTwpthI4NtNIwSH3ya/eENX8ci1FsY1I8XN24NZ64ybKvD+U8ij552feNKLJ1CdPluWbSHpexayBs8vDfzhWSG/L3g4upjCCKyKx/P1UM5j4L7UIjd7ETqNZhOvxepiCeTWnoUN6ppU4sX/ws9WdKSf/h914w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718195752; c=relaxed/simple; bh=po3Q1dgxSB8ft2ZJeU+XxZ4RpHBnDvnnitMk/X+fedM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=AkXV/H1uzegdrc+o9Q9P/51JgwQ2RoZVf27AiwVlQoF7Zl7BhCvqfT1r0m9XVxQksQmHj87NhUXEpGlhlLy1nAPZiXcSojie9vMUOJ2XL/m1l7yrbTGlHY+icemiwYLSikYs+J4ztJmubqfiFAp/5hWavvW+sCPxehySjqgCjaw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=YSsdgMbp; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="YSsdgMbp" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9D854C3277B; Wed, 12 Jun 2024 12:35:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1718195752; bh=po3Q1dgxSB8ft2ZJeU+XxZ4RpHBnDvnnitMk/X+fedM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=YSsdgMbpTZV6IysnvTDp/OA9bG9egxasoJ1v26zZqw7NE/A/SslmTm3wI0c2nL/sq hqbLBlaa43Kfs+P2cvQdAbo2BOZx4ubi9M+umTN3GRcO0RXVw7LlsWNIvNBg9iuAcu v5UiyL2dw3TA4ma+RnngbkPzRnonvj2D6Bkv/DhI= Date: Wed, 12 Jun 2024 14:35:49 +0200 From: Greg KH To: Shawn Anastasio Cc: stable@vger.kernel.org, Timothy Pearson Subject: Re: Backport request for "powerpc/iommu: Add iommu_ops to report capabilities and allow blocking domains" Message-ID: <2024061225-groom-opal-58c1@gregkh> References: Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Wed, Jun 05, 2024 at 08:01:26PM -0500, Shawn Anastasio wrote: > Hello, > > Commit a940904443e432623579245babe63e2486ff327b ("powerpc/iommu: Add > iommu_ops to report capabilities and allow blocking domains") fixes a > regression that prevents attaching PCI devices to the vfio-pci driver on > PPC64. Its inclusion in 6.1 would open the door for restoring VFIO and > KVM PCI passthrough support on distros that rely on this LTS kernel. Given that the commit does NOT apply to the 6.1.y kernel tree, how was this tested? if you want it applied, please provide a working, and tested, backport. thanks, greg k-h