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 1034A3A1E7F; Sun, 4 Jan 2026 18:54:23 +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=1767552864; cv=none; b=GwXlCbHsHA/v3Fb0WTuci/WkLwLbv/ZzpLveJEWSc0+Xe1gpFmQsC/VYGpn7yYyCbhkvTgQOEVTZ4OPZE+68Oh4eFRd09cmS82wWTNq4PpZUehZ1U64zuRObhYadX4wnzuxf5ouTSm83C7o7Qx4HdO+hJanr78WivNWfAvL+jyw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767552864; c=relaxed/simple; bh=b64yCDPV0gypolmqb/BLbVIIz9PR4lYLa0jw0KQQIOY=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=oDpErUD21z0B3thyj+Gn0UZlbNxzW6ic50zJ36e5U50iIUQvXDinLH4nwxaXaV76p05R9RfpWKxQItBPJ14jUQ2izz3mbbv80ubcuMmByYuZLYXjJ4imKfjwjVsua1TsYH3DyzVx64A67XiZat+dzvUbrJx+2WOKRD08VNsh5no= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=eaoKMbtW; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="eaoKMbtW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 388C8C4CEF7; Sun, 4 Jan 2026 18:54:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767552863; bh=b64yCDPV0gypolmqb/BLbVIIz9PR4lYLa0jw0KQQIOY=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=eaoKMbtWuBkKRJlZCXIOZK8lPfmQpVACDRJ5WMcDbmU4SB8/ul2Qkgh+bhUI0cmSE C4Q6zBMrr9DXj+jNjUHWYTYML+PqFFs+JfSoWF3XeGH9fqmhMavG4JD10jLH35Qnlc dHFHYbnKVcDtuqNVjzzBNx5sVbCs9+dIuz5uOPFAAeEyK0jdtQ7ilq0Hb2HVz8/GG8 BBtadzt/jN/2EXkFYOKd184foontkFYsPnlfP5JVTVyLP7Bvz47eYoeBWKM2YDTFIZ 7V2f2h2uaLXFr3qwtlKFK/CAYxnIUo8GVnTcP7KBFRUbm/Lj8HKh41kGws5TlpztAs GBnJ/9x+aCXJQ== Date: Sun, 4 Jan 2026 10:54:22 -0800 From: Jakub Kicinski To: yk@y-koj.net Cc: Andrew Lunn , "David S. Miller" , Eric Dumazet , Paolo Abeni , Breno Leitao , Andrew Lunn , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net v2 1/2] net: netdevsim: fix inconsistent carrier state after link/unlink Message-ID: <20260104105422.57542bd4@kernel.org> In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Wed, 31 Dec 2025 01:03:29 +0900 yk@y-koj.net wrote: > + netif_carrier_on(dev_a); > + netif_carrier_on(dev_b); if (netif_running(dev_a) && netif_running(dev_b)) { /// your code } right? If one side is down there should be no carrier. -- pw-bot: cr