From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (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 301C39445; Sun, 25 Feb 2024 10:56:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708858566; cv=none; b=NkW6IRMOIHj9CKSelxkUcAMoGl4pYRNFPF9ev9mnz5RqiAWMMrFwqekEwupr1/QE7r4NSEx08rXwwLlsCOP6ziSZbH9dLxH/YOAYFq9VJYxzP3UI2kTSHvgkbevEp2riBgLnahe25FqJ7z2Q5D9Fjk+IISJSL7kKYmUoZPXOivs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708858566; c=relaxed/simple; bh=sWBNjHc/lxEoqM9i9D+E3W5ASfrVIdwhk37D2V9TxFA=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=kgngmvUONbv+p6OrzpWm8B5/WV3YAC+akTnqC6nxn8c2diHpjb/kuadZZXc7PsSonh+Uk6krOihslwk754OHuybTxjnoEitj8tfDujU+gDBv/26dDZPT230gwWRT/MCkGlzXDUMpCMVdxmaSX4PvvwKWQTTbHfLPY81iUDJG7y0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=qX6G+1VH; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=toyhiaZj; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="qX6G+1VH"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="toyhiaZj" From: Kurt Kanzenbach DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1708858554; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=tAhOjFXIG9xCvbOQNJwE8wF0tLY2hpMIdA10BdIDOfo=; b=qX6G+1VHkEsDsE9ouyrQVD2pczeGb3IdO3iIS7gu9YZ4xRGlH4zdEqBd45v0TxaIxcdH4O zKFwI3wa2gZc8WeunwG4DhsmP82g7pSqNOSHpPaeH5CW130DzOwBX7qh8jErD0cO194QSE jAgxcXh8cNqz9ei6QlLdgNPn+U3Uq1zsYB7sFvDTfMzIjwc7oJgJjZYnk57XHlg+NUnU2u prAX09K/gfsoz7b0ofBGms74u+0na4xOEn0AxlnNb0ZwqsBUMV5VY/bAtER8zqs5oSwt8M wVAqCqiUmiO7567i3q4Ml7Shy+Wc2dwox9dDmp7RRThLTpQ5s5do0DLqEGiF7Q== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1708858554; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=tAhOjFXIG9xCvbOQNJwE8wF0tLY2hpMIdA10BdIDOfo=; b=toyhiaZj4uFJa8bdasGrux2vDUqltoqzkAimBy3wcbRRovUKpHj8bai5Wi49N/YPTntSgB mlTofppt70ABSpBw== To: Maciej Fijalkowski , Stanislav Fomichev Cc: Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Song Yoong Siang , Serge Semin , Sebastian Andrzej Siewior , netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, bpf@vger.kernel.org Subject: Re: [PATCH net] net: stmmac: Complete meta data only when enabled In-Reply-To: References: <20240222-stmmac_xdp-v1-1-e8d2d2b79ff0@linutronix.de> Date: Sun, 25 Feb 2024 11:55:52 +0100 Message-ID: <87v86c7qyv.fsf@kurt.kurt.home> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hello Maciej, On Fri Feb 23 2024, Maciej Fijalkowski wrote: > On Thu, Feb 22, 2024 at 11:53:14AM -0800, Stanislav Fomichev wrote: >> On Thu, Feb 22, 2024 at 1:45=E2=80=AFAM Kurt Kanzenbach wrote: >> > >> > Currently using XDP/ZC sockets on stmmac results in a kernel crash: >> > >> > |[ 255.822584] Unable to handle kernel NULL pointer dereference at vi= rtual address 0000000000000000 > > would be good to explain where it comes from, no? Sure, no problem. Thanks, Kurt --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQJHBAEBCgAxFiEEvLm/ssjDfdPf21mSwZPR8qpGc4IFAmXbHLgTHGt1cnRAbGlu dXRyb25peC5kZQAKCRDBk9HyqkZzggvZEACty2xTOmModE7ISEW06ga7SP33J5oF BsaLFQi7zC5qOZXJRAjhHtKTWjBb9UcWrqY35MnsloeYqICkfSH08Ik9t9WS5u/m GkqF1AekS5IX1a6xZeASSix7/kA4PLFr07BBkbArQDhTjk+B6R1HM5/w3AnRjhAu BOFvBXmEMfelBQGxHYeRkVML0kJp8E62yy1DSNtnBQZZHKYU4qzGlimKZKQZ3R03 qF3ItZGvOZhAg3nLhU1pvWAgCHp1Q9hmeK+AU4Zi5iGfrf/BKsmnHByT3TZfEHe5 g/7UlMrUjIllyQoQ7QruXAV1Z+eqD3IvZknQ9fdMQzrW5Pc7TkUweBzMOdVr4HV+ N+aIYNQYFZe1ElPftecTLpHTDLBg5n/g2TJAv+mAIkFrZWxWdB0viwHApX29nlrR C0Iu/gjTsRn8+uQ6AArMcXd9Ahf1n3hP9MpsLnZIQZBQ1bRgLjrctJ3M0Fi0tt9u 3WOP5hjSlaR7YQzA8ar0bXstvkk3HStVmvww9GbcIi3sOPTz5CcIP1IcH4qjYs5K JUqYCzCi+o349yCevOLC8hY2uyS2NpfO+vsY0mA6oGwLBB6/oJ9t2t5Rw7VYAXgs SOjuseQcAu88gVmZHClGweYRcIEJ9M+20YVIShvxQW8/vFbmU+bbwZavBPE3BW5Y zj8zV/VllRfdGA== =aFZy -----END PGP SIGNATURE----- --=-=-=--