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 7232A2E822; Tue, 19 Nov 2024 01:09:37 +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=1731978577; cv=none; b=q98thjTLy63qfvro1UtAEWzy1unGf7TnizoI6QOvmW+p6O/yTkFFbzrU4jP+fTqsynCWsctpkHnaxjv/gsq2/E4L8ujTgZTRYMoiX8MuZnZ/svPBcAk1f175yptWsCoV/2jzET5MyCFO5MtUeRE3aTrsogDlJFpZSH/6Kv+vDG0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731978577; c=relaxed/simple; bh=LrsF3ZsHuO880knHws8A3cbD2EXMox9VjyA2EeLrLU8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=i4iamJmVHq9sIiNuHmbZsXvVcGCiUCtT+Sf3/5Bi5yedJOdVqqCxZ4DTXcMpjMyzp6HqITifJ6nexkdhD2Cws4BohwTlQn7KUToWlVkrJLbVtSg4REXj75y+SQh7kOUAwbrft/C95Yv6RKPJYpGtaomF2K9qtH23ofpmwKKkKfI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=J2N/Q53E; 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="J2N/Q53E" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1DB73C4CECF; Tue, 19 Nov 2024 01:09:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1731978577; bh=LrsF3ZsHuO880knHws8A3cbD2EXMox9VjyA2EeLrLU8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=J2N/Q53EV+oOVQenVjGBYjgwjml6I8VO8Ri4wRUhgNQQtr2jh/SbCEkE2yLYgvT34 vpLiICp5uU1fvF863XHXQgsMb1ly7hH4evjmsdo7T/qqIcAD/P+PTsPCPel1ia0UNp 3HdaHH7g7bJgAAbtu6LjxTL+9KzX/+bnOULkA8eY= Date: Tue, 19 Nov 2024 02:09:14 +0100 From: Greg KH To: Pasha Tatashin Cc: Roman Gushchin , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-doc@vger.kernel.org, linux-fsdevel@vger.kernel.org, cgroups@vger.kernel.org, linux-kselftest@vger.kernel.org, akpm@linux-foundation.org, corbet@lwn.net, derek.kiernan@amd.com, dragan.cvetic@amd.com, arnd@arndb.de, viro@zeniv.linux.org.uk, brauner@kernel.org, jack@suse.cz, tj@kernel.org, hannes@cmpxchg.org, mhocko@kernel.org, shakeel.butt@linux.dev, muchun.song@linux.dev, Liam.Howlett@oracle.com, lorenzo.stoakes@oracle.com, vbabka@suse.cz, jannh@google.com, shuah@kernel.org, vegard.nossum@oracle.com, vattunuru@marvell.com, schalla@marvell.com, david@redhat.com, willy@infradead.org, osalvador@suse.de, usama.anjum@collabora.com, andrii@kernel.org, ryan.roberts@arm.com, peterx@redhat.com, oleg@redhat.com, tandersen@netflix.com, rientjes@google.com, gthelen@google.com Subject: Re: [RFCv1 0/6] Page Detective Message-ID: <2024111938-anointer-kooky-d4f9@gregkh> References: <20241116175922.3265872-1-pasha.tatashin@soleen.com> Precedence: bulk X-Mailing-List: linux-doc@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 Mon, Nov 18, 2024 at 05:08:42PM -0500, Pasha Tatashin wrote: > Additionally, using crash/drgn is not feasible for us at this time, it > requires keeping external tools on our hosts, also it requires > approval and a security review for each script before deployment in > our fleet. So it's ok to add a totally insecure kernel feature to your fleet instead? You might want to reconsider that policy decision :) good luck! greg k-h