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 A45443A7859; Tue, 7 Apr 2026 10:10:14 +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=1775556614; cv=none; b=tcuUxZsG1LGYQit12MJkdYVhyfYZAQg1qTnemkOk5s32///hVUJlcRn2lbeooNzhBe37eZdjTMwCZiu5h7Jo7GRKuWN3886bzrAEQUVHvpKd6H7pFwjqAy5iluxVX5p3qBaVuILLjTYqcgXDTJWOrhft1W2scFjjF+kJfNmu4SI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775556614; c=relaxed/simple; bh=uJwhrCZ5DVi1XGiVE85l7GZb0X3pCioNotmsUsRYefE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=GWbsEcabsA6uoQYmUyVKyVx9dwgv1RhzGprylvdSeOg337CN0aC08rSuJ1wTLpKWN/gm7Y5crkWdB4qKBfu96XEfUUE1TxU/DW/3ZyDxeMZN9akLOn7FAFHk3XEYG6qjaPBel5PZQS/R2YPzD/Vxh0lVmQLwPbG4okIP4TnSqgs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=nkumau9Z; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="nkumau9Z" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5CF52C116C6; Tue, 7 Apr 2026 10:10:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775556614; bh=uJwhrCZ5DVi1XGiVE85l7GZb0X3pCioNotmsUsRYefE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=nkumau9ZkicHGxV91qxYWjPubXMFULLZk3pPmXQ7EZvc6i+zLYpzG1V+ahiER9OHH BR5AHjlnw6nKN9it8TN9PvZR63KdbXLwqng9rQ+UGRcVw8LeYS/qsFHwfRFzJQ54w+ tYI+dvFq5PhS+fszRDxi4GsTLjolDl+T59NdJz/T7VqPArV9p/+waErCWpJZP8A1qc RqecKtM08KUOQRJihnsNRHncdPa1Th4gfCJZl3zKWr1gq/ZWljZIh3ouGYcehbBbto r2v6KzKZTzc5eTJTEOjYLm1TxZ6Wrbof2WBXKtY+FurfLniwKd/dPAW4Tpqi7LJXhV vGupcfnvlxl+g== Date: Tue, 7 Apr 2026 11:10:05 +0100 From: "Lorenzo Stoakes (Oracle)" To: Matthew Brost Cc: Thomas =?utf-8?Q?Hellstr=C3=B6m?= , intel-xe@lists.freedesktop.org, Alistair Popple , Ralph Campbell , Christoph Hellwig , Jason Gunthorpe , Jason Gunthorpe , Leon Romanovsky , Andrew Morton , John Hubbard , linux-mm@kvack.org, dri-devel@lists.freedesktop.org, stable@vger.kernel.org, linux-fsdevel@vger.kernel.org, David Hildenbrand , Zi Yan , Joshua Hahn , Rakie Kim , Byungchul Park , Gregory Price , Ying Huang , "Matthew Wilcox (Oracle)" , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko Subject: Re: [PATCH v5] mm: Fix a hmm_range_fault() livelock / starvation problem Message-ID: References: <20260210115653.92413-1-thomas.hellstrom@linux.intel.com> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Mon, Apr 06, 2026 at 12:11:28PM -0700, Matthew Brost wrote: > On Mon, Apr 06, 2026 at 01:56:49PM +0100, Lorenzo Stoakes (Oracle) wrote: > > On Mon, Apr 06, 2026 at 01:54:13PM +0100, Lorenzo Stoakes (Oracle) wrote: > > > I see John gave a tag (and he's great so that gives me confidence here), > > > but we should really follow the procedure on this properly. > > > > Oh and just noticed Alastair also :) so that adds further confidence, so this is > > really a point about cc/M signoff requirement going forwards. > > +1. > > Andrew did ACK this via DRM here [1]. > > When we take external subsystem patches through DRM, our merge script > requires ACKs from an external maintainer, as determined by > get_maintainers.pl. > > I’m not sure what happened here, but it looks like Andrew’s ACK was lost > on the patch, and somehow our merge tool allowed it to go in regardless. > We will be more diligent going forward. ACK on that... ack :), but please make sure to cc- at least the relevant maintainers on these series going forwards also. I realise mm has changed somewhat in its approach with this so forgiveable you missed it :>) but - at least for me - reading mailing lists is just out due to bandwidth limitations. > > Matt > > [1] https://patchwork.freedesktop.org/patch/703183/?series=161082&rev=3#comment_1294670 > > > Thanks, Lorenzo