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=1792544703; b=NmqCppAoc19KGMXVawxjPCAksaC1L0Shkbi2XRKNW0RSryw81tBy4kqfTkIIMy+J2e8d 6EecUpqNMvSDoLYsHwhqQvGQ+hszU2NLNeXvaOSm3WC4kKbwODYggImQ3hqgRgrjyej6Z CFhXrP7AOODCCXPF6gXz038//RrpN1v5KtQshmk7xHypvLl7mBrzsKEnTLl7grnERax+S ubgIwTUToMXWoQEmJ0fR6SUKPNhWaRvBMWkAXoGsWxE3sPEnufjWWS5ZZlG0vpiCv2P61 ARtqQtRApZqRKdL8856OaFyv5DM/IFq0bqPSzn05+biesv0t5ayFuOytDa2uY+H9B+Q== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792544703; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: In-Reply-To:References:MIME-Version:Content-Type: Content-Transfer-Encoding; bh=Nek6SQB9HilcNqrUDKvbjnwNeRbszXlVW1qjIvvxAf8=; b=AGYQ9WvaP2AG13uI7zfRhBlDfhLdZONLMAxKrXwNlzEiBaoGmSVVrrrgIC+5EQZgtkTj awGtw8x09WnCaQN98tK8dPEs+RYGyrjUrk1FbnuGJvoXzeHgs3b1tAwhICH7fLI8ZafsG Ne14ERutplOfqRVSdVIs/pYeZYCzhw3C5sy+JdOjsxjvrCwSgCWHMP0EJXfAYKHiEuaIn yKS8m9/74m4zh2W54/ReIwlv6urr6Bv6nsGlNTQVkotelmtr2abweN5jV44nD24TZiwnN GVA90tehRRd2Zs/LE6wUzxBnCFW6wB2mQEPaJammS5/PxNCOIsAtGV+Pz2aEgA8P6yw== 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=CQn6XZEm; 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 BD140606A319; Wed, 21 Oct 2026 01:05:02 +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=CQn6XZEm Received: by smtp.kernel.org (Postfix) with ESMTPSA id B860C1F000C9; Wed, 21 Oct 2026 01:05:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792544702; bh=Nek6SQB9HilcNqrUDKvbjnwNeRbszXlVW1qjIvvxAf8=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=CQn6XZEmx4JuBxOCkGUoJxghD6fgxKGGvSTb7ELHt1bjWPlVx48I+kyKIgnc0qr7c NhgbVZWa4Lwo67KLrbjDl6sjNbG4cTE3Y5zwpFpZVpbAbOITcS/Wfx9vxPUj1slJkb WQsgQF7PJo+NWG+9REo4JUnCIzps60aCpEq1pTNgCxknuRGsxQ/gOkPWoyRJ4hCZQJ oygMrQghn5CeQf526xtBNeHcN/kfyQUR9srbICRbEtVMDVVoumuUqSJ5TVXxHPjBdT nNgxYhhdyIj2yHGGFqz+jS84eNxdAe8gyzYkwDhnv3dL3FzNUVDWKKnYaMtQSYdKhy MV4yOooKiLIxA== Date: Tue, 20 Oct 2026 18:05:01 -0700 From: Jakub Kicinski To: Daniel Thompson Cc: Andrew Lunn , "David S. Miller" , Paolo Abeni , Maxime Coquelin , Alexandre Torgue , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Stanislav Fomichev , Maxime Chevallier , Eric Dumazet , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Alex Elder , netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, linux-sunxi@lists.linux.dev Subject: Re: [PATCH net-next v3 0/2] net: stmmac: Avoid freeing and re-requesting IRQ during XDP set prog Message-ID: <20261020180501.59a77f38@kernel.org> In-Reply-To: <20261015-tc956x-stmmac-no_irq_teardown-v3-0-8189870be545@riscstar.com> References: <20261015-tc956x-stmmac-no_irq_teardown-v3-0-8189870be545@riscstar.com> X-Mailing-List: linux-sunxi@lists.linux.dev 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, 15 Oct 2026 15:55:00 +0100 Daniel Thompson wrote: > Currently stmmac will run a full cycle of IRQ tear down and setup when > setting up a new XDP program. This makes tuning TSN systems difficult > because whenever a new XDP program is installed then the irq threads will > be stopped and restarted which will undo any thread tuning. Series does not apply