From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792491633; b=LMfADAyVwrP+ru/mChH1aZ8NvL08GoK5VS82ewG6hWs6Ai7DO/IT+HFjWh+jfb5H7Wrb BSqOgZVLfb9ucVTTGK6+42XAr60frP22Z+CW+qZcxrTYhZn3YGTarWFER7HBZbQop5KMF VSsyExpjGC93zYY8bXFmdN8FJDtNZpRmi+LuKMzlI97Bi3aHKPQ4tDrurS9OhFXB2pqdr YNY2UH9mV+H2bUE1t3XmzFX86WQkio7F/Ke3RWZ/Dp+3CuO+H04qV/xX2pbu3cmA5+paX VGcWXAxKq0WdRYr8CZQQ2zf0CpZUXZByx+zU9yiGDjcwVuPIlER+UOzem3ZAd32NJrQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792491633; h=Received:DKIM-Signature:From:To:Cc:Subject:In-Reply-To:References: Date:Message-ID:User-Agent:MIME-Version:Content-Type: Content-Transfer-Encoding; bh=nLyz9JhGDWxy9NbjsVWTRULOrIKXHGlt/Z6IB5TxlIQ=; b=VzHbSacSW6NNYDqd306p6A3481/6sSOrAlF3kCiY6Y+5NMXu7GKifyagUfTYDKm8jnlh t994M0TWWW/2cBeKlAG8MhMAQIHNDNqbFX1GE5J1PhvmqjJgo0/izg9qwGFz3QSXfTGSP OFsuPCtkB0hJUCIfvXTdwSiPdJwTpJu0KMWby3QMpFMpvLYFfRfHzW5gYkRcfW63Kffln OFAEhvOQEkbZdLFx5tbs8Nw9evbdWqOXUIe/Ec7abUHZ2C7odFUf65eGV2rbQAmppBs7w knFuQVlUbXYZsL23IKyzH9pJvaR0JJ1f8ZlHT4b0c604sGC3eBiNFruREZ64syis3oA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b="ARO/ajo2"; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BED48606A31E; Tue, 20 Oct 2026 10:20:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=ARO/ajo2 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1BEC51F000C4; Tue, 20 Oct 2026 10:20:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792491632; bh=nLyz9JhGDWxy9NbjsVWTRULOrIKXHGlt/Z6IB5TxlIQ=; h=From:To:Cc:Subject:In-Reply-To:References:Date; b=ARO/ajo2zgnbhFh5hCsGaz2xlsiTq5MKQA6QPpY92hDVzgorsIZh6oB+ih4SUR7Sz tIwJgdtYXc3kdAtc8zIZB1sQAhih9AFMDP5WLOrHIyxgNB/ReCHVUJyJqFnTHEjBqd 84SBrjEEA3ccXcwJHCAHI0pCb64e09QbkB+WwlUSIAJSRYofca91MsD2O5S/01RU8s Kb2wYkAbksfdst2H+OBT2H1jGVQ5oyRchc/cWEuy3ecycbLOpz6QFvwMcn0KG8joWJ 0iBmrCBKxSd91sy0cvV/QL47OD2pi12m2LMfPXiVyiX3Kx6I6KP2r2/i6sSNyHy01m jKAi1djIrLRrA== From: Pratyush Yadav To: Pasha Tatashin Cc: tarunsahu@google.com, linux-kselftest@vger.kernel.org, rppt@kernel.org, shuah@kernel.org, akpm@linux-foundation.org, linux-mm@kvack.org, vipinsh@google.com, linux-kernel@vger.kernel.org, dmatlack@google.com, kexec@lists.infradead.org, pratyush@kernel.org, graf@amazon.com Subject: Re: [PATCH v1 3/7] liveupdate: Pass user argument to file preserve and retrieve In-Reply-To: (Pasha Tatashin's message of "Mon, 19 Oct 2026 15:31:50 -0400") References: <20261015093816.2438942-1-pasha.tatashin@soleen.com> <20261015093816.2438942-4-pasha.tatashin@soleen.com> <9huzwlrdh4q4.fsf@tarunix.c.googlers.com> Date: Tue, 20 Oct 2026 12:20:28 +0200 Message-ID: <2vxzfqy0hdw3.fsf@kernel.org> User-Agent: Gnus/5.13 (Gnus v5.13) X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On Mon, Oct 19 2026, Pasha Tatashin wrote: > On Mon, Oct 19, 2026 at 3:26=E2=80=AFPM wrote: >> >> >> As Per Today's Hypervisor liveupdate meeting, This patch will be picked >> by @dmatlack@google.com for latest tmpfs preservation series. >> >> I have a suggestion to make here. >> >> Let's send this patch as a saperate patch so that I can also use this in >> my guest_memfd preservation work. This will help landing this feature >> sooner and unblock other subsystem who needs it. >> >> Let me know what you think? > > Hi Tarun, > > You can include this patch the next time you send your guest_memfd > patches. Whichever series lands first will pull in this change. > > We are trying not to merge new features without an actual user, > especially ones as important as those changing the uapi. I think tmpfs > preservation may actually make it easier to land, as it only changes > the code that we maintain. +1, let's use tmpfs preservation to land this change. It is a simple and relatively small change compared to guest_memfd preservation. [...] --=20 Regards, Pratyush Yadav