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=1793291887; b=RPl4OovFmKB5RGUXowxKgDlhZMZmHZMlUxKzu8h4EyNKAPb2ou/8fnV2h0jQwbuTddjh CraYMsOjhssRh7es3MJVPNucomQsb2iIfSAzOlw9HCE2sR0jb4QDnC3k7KlTnLRAGmUJg IBV2+QsRvOuMXBZ/CaAtSb4/dxs6e1rVFmXCUS0++6DVzAEoEepnPygGvpq5966Uox0Qy 31Tx9IcaXyv+x45kKcjSrsZ05L9iA7vJ0DFE/nQvrrg0fVjtsut/UqDpsBUyGOSNtKTjw vFuxA+2zlH/MMNKtR/HgbAM5PoO6HA4uycFhWu8F02okXjcOwAS3T874DoXUrZLITlw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793291887; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-Id: In-Reply-To:References:X-Mailer:Mime-Version:Content-Type: Content-Transfer-Encoding; bh=gLPlt//hCaW3yl8CTKlsKCz4bE7ch+tF1xtuAXdIMsY=; b=hSgqi1RvGCFwx48dt/cTSGxaiFbkLxkU9eqCXCutzDlZSbn+ZBFoEQJl2V4jK8fEO0RG NFnzHIHpRmqfnSsu71busGdfmQUtNdI8qEYzL6IDSBGYK2H0w8Laxr8QCS42Pp1d946uW OLtMp9lR6QLQTfSiIuWzwc0G/5gH+c+dznkgiG0UMkIleq/OBLJeMc4+jTqbCmG+wA9C8 10K/m2Zhl/YTWOGaMuF6Vlt26tq+ap2PdkyPtqMYjpj8qH9ti9yd0CT7/Py5Bpl2pQa5v vkQB+Tba64Eow32XPEC3g8rM8R1orUY36XrbzgOK6AGNQRETLtTgAmDl9joU+BDPalg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=linux-foundation.org header.i=@linux-foundation.org header.a=rsa-sha256 header.s=korg header.b=y+pfeUEd; 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 087EF606A31A for ; Thu, 29 Oct 2026 16:38:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linux-foundation.org header.i=@linux-foundation.org header.a=rsa-sha256 header.s=korg header.b=y+pfeUEd Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4CB671F01816; Thu, 29 Oct 2026 16:38:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=korg; t=1793291886; bh=gLPlt//hCaW3yl8CTKlsKCz4bE7ch+tF1xtuAXdIMsY=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=y+pfeUEdaNV+XdUGp1gYPf9LxEHpgLNdfdVuNmRlmCWYxa5QMqnA+ICugsf4lTNAo 2x2inJQsV93EwWtspyS4aE84d97kcM19sG2BGI4UdxVULEVcO6eznk3IsMWNRyoQFA sKFiUVuGr5KZ/QssEkxtGolJvaHLFWP6Km5N6PYo= Date: Thu, 29 Oct 2026 09:38:05 -0700 From: Andrew Morton To: Mani Tofigh Cc: Oleg Nesterov , Christian Brauner , linux-mm@kvack.org, linux-kernel@vger.kernel.org, tz2294@columbia.edu Subject: Re: [PATCH] exit: use READ_ONCE() to read mm->owner Message-Id: <20261029093805.67d5eb70116fe0e9823997fd@linux-foundation.org> In-Reply-To: <5537eacc-0884-4b05-9634-16dff0eef69b@columbia.edu> References: <20261027-kcsan-exit-v1-1-7c0429a29bc0@columbia.edu> <20261028235404.2a24aa50c06556eaf77a033b@linux-foundation.org> <5537eacc-0884-4b05-9634-16dff0eef69b@columbia.edu> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) X-Mailing-List: linux-kernel@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=US-ASCII Content-Transfer-Encoding: 7bit On Thu, 29 Oct 2026 11:05:02 -0400 Mani Tofigh wrote: > > > On 10/29/26 2:54 AM, Andrew Morton wrote: > > We don't want older kernels doing this either, so I suggest > > > > Fixes: cf475ad28ac3 ("cgroups: add an owner to the mm_struct") > > Cc: > > Sounds good to me, thanks. Should I send a v2 with these tags or will > you add them when you apply it? > That's OK - we gather up the patch metadata as a part of the merging process. I'm assuming that Christian will be handling this patch.