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 94A3523A564 for ; Thu, 21 Aug 2025 04:24:24 +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=1755750264; cv=none; b=rbcBy2oYFnt51u3fpdgMsmk6yfsOG2aYXnJpFnl1J+LawbJFyIwT8nXvYaIWp6Cfbg/zgJXwHAshKbBQh+oSKwbL5elPP1QmbdD1/HjxLMKW+33insOTLWAjfzgjUtzC5vroRgzOkpyR8XQPYAEC/6E12hi3n8csbB3TM+g7Eh4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755750264; c=relaxed/simple; bh=yEbxrMCEYmcIooCbdM8kiby0WKYLYX/mSci3aAy4yVM=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=qv4AR+i2oVqWnEYNTDpa40SlKgAGm5UdxvJh5He7M9/G//SLNVnK0VunTDaAaCOeLUFKkxaJg4FgM1dFB1HKBhnNp3o91yALqQWNrLMG4Hk3IwdR+p08u2vE7dDPQxYlN9Ab9skHYIVMsKNgFiIyr7BfIO2s7VsmTuA921+TUc0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=f8fCfwFh; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="f8fCfwFh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D09BEC113CF; Thu, 21 Aug 2025 04:24:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1755750264; bh=yEbxrMCEYmcIooCbdM8kiby0WKYLYX/mSci3aAy4yVM=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=f8fCfwFh4Z1og95qFf//8M53G5+NpB0yLPawo58P+nEJ33AB0QDoMmwRNquGqfk1S tsu4nuflWvmc2k2+b/tD4Yo2VUE6pT7IUR7ZuBev1amEvdmaRaGakAhitSeYTBEzes Yn3DvWs4xjELaW3Hr13oWRpJRwYQUcg2i4cxPTps= Date: Wed, 20 Aug 2025 21:24:23 -0700 From: Andrew Morton To: Sasha Levin Cc: david@redhat.com, surenb@google.com, aarcange@redhat.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm/userfaultfd: fix kmap_local LIFO ordering for CONFIG_HIGHPTE Message-Id: <20250820212423.fbac2b17eb4f6a9667a8c979@linux-foundation.org> In-Reply-To: References: <20250731144431.773923-1-sashal@kernel.org> <20250801141101.9f3555a172609cb64fde7f71@linux-foundation.org> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) 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=US-ASCII Content-Transfer-Encoding: 7bit On Fri, 1 Aug 2025 17:56:25 -0400 Sasha Levin wrote: > >> Fixes: adef440691ba ("userfaultfd: UFFDIO_MOVE uABI") > >> Co-developed-by: Claude claude-opus-4-20250514 > > > >Well this is innovative. I doubt if Co-developed-by: is appropriate > >for this (where's Claude's Signed-off-by:?) > > Claude (or any other AI) can't legally sign off on code :) > > >I'd support creating a new changelog tag for this case. > > This is in the context of a proposal on workflows@: > https://lore.kernel.org/workflows/20250728105634.GF787@pendragon.ideasonboard.com/T/#t > > The Co-developed-by: usage wasn't my proposal, but it looked like the > majority of folks were okay with it. > I need to do something about this and the discussion over on ksummit@lists.linux.dev has been as beer-addled as one would expect. Oh well. I guess for now we can welcome Claude to the kernel development team.