From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B6D6EC433ED for ; Mon, 17 May 2021 21:58:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 90ACF61166 for ; Mon, 17 May 2021 21:58:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245228AbhEQV7t (ORCPT ); Mon, 17 May 2021 17:59:49 -0400 Received: from out3-smtp.messagingengine.com ([66.111.4.27]:34485 "EHLO out3-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235014AbhEQV7q (ORCPT ); Mon, 17 May 2021 17:59:46 -0400 Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id DA9D15C0184; Mon, 17 May 2021 17:58:29 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute1.internal (MEProxy); Mon, 17 May 2021 17:58:29 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm2; bh=KZ594z tIARs/GJxBthPQn+lIZaulwFStf5XQEa/2T6U=; b=Fyf7tYIzS6KwF24g8AV9TN eCNgeQVskLGDEn4FUju6k7dyDRg6TsqIiz2iZgA4iDqV2ZXTKMor3g6xF9RfkI4g cHj/Po8RzYaWpG+R5jD+uo2tkF0y4g+bul8L+JfVqopv+2gYc3Pk7HEs6HQHxWQB RgunkmZhvStSmenx04Ic8ZsQeyps6uOl7cizxSFm0j27KVxuIL4d/bQcmOfSEups eFZNnOATWmArwPZef2gEOjWCTVkh0puwlKmFwFVsO/0qIgUuDXMCFY6UkwMHRa0u ZkXxEDEN/aoFtdBCDp4bvQp7P9Zfar9KLN+2eQCK3C/QylTCUXBm+a9gC2RHujmQ == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledrvdeihedgudeiiecutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfgh necuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmd enucfjughrpeffhffvuffkfhggtggujgesghdtreertddtjeenucfhrhhomhepofgrrhgv khcuofgrrhgtiiihkhhofihskhhiqdfikphrvggtkhhiuceomhgrrhhmrghrvghksehinh hvihhsihgslhgvthhhihhnghhslhgrsgdrtghomheqnecuggftrfgrthhtvghrnhepteev ffeigffhkefhgfegfeffhfegveeikeettdfhheevieehieeitddugeefteffnecukfhppe eluddrieejrdejledrgeenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgr ihhlfhhrohhmpehmrghrmhgrrhgvkhesihhnvhhishhisghlvghthhhinhhgshhlrggsrd gtohhm X-ME-Proxy: Received: from mail-itl (ip5b434f04.dynamic.kabel-deutschland.de [91.67.79.4]) by mail.messagingengine.com (Postfix) with ESMTPA; Mon, 17 May 2021 17:58:28 -0400 (EDT) Date: Mon, 17 May 2021 23:58:25 +0200 From: Marek =?utf-8?Q?Marczykowski-G=C3=B3recki?= To: Michael Brown Cc: "Durrant, Paul" , "paul@xen.org" , "xen-devel@lists.xenproject.org" , "netdev@vger.kernel.org" , "wei.liu@kernel.org" , Ian Jackson , Wei Liu , Anthony PERARD Subject: Re: [PATCH] xen-netback: Check for hotplug-status existence before watching Message-ID: References: <404130e4-210d-2214-47a8-833c0463d997@fensystems.co.uk> <21f38a92-c8ae-12a7-f1d8-50810c5eb088@fensystems.co.uk> <9edd6873034f474baafd70b1df693001@EX13D32EUC003.ant.amazon.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="v82u8Wko8ZqO+zT5" Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org --v82u8Wko8ZqO+zT5 Content-Type: text/plain; protected-headers=v1; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Date: Mon, 17 May 2021 23:58:25 +0200 From: Marek =?utf-8?Q?Marczykowski-G=C3=B3recki?= To: Michael Brown Cc: "Durrant, Paul" , "paul@xen.org" , "xen-devel@lists.xenproject.org" , "netdev@vger.kernel.org" , "wei.liu@kernel.org" , Ian Jackson , Wei Liu , Anthony PERARD Subject: Re: [PATCH] xen-netback: Check for hotplug-status existence before watching On Mon, May 17, 2021 at 10:51:38PM +0100, Michael Brown wrote: > On 17/05/2021 22:43, Marek Marczykowski-G=C3=B3recki wrote: > > In any case, the issue is not calling the hotplug script, responsible > > for configuring newly created vif interface. Not kernel waiting for it. > > So, I think both commits should still be reverted. >=20 > Did you also test the ability for a domU to have the netfront driver > reloaded? (That should be roughly equivalent to my original test scenario > comprising the iPXE netfront driver used to boot a kernel that then loads > the Linux netfront driver.) Yes, with both commits reverted, it just works. Without the need to do anything at the backend side. --=20 Best Regards, Marek Marczykowski-G=C3=B3recki Invisible Things Lab --v82u8Wko8ZqO+zT5 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEhrpukzGPukRmQqkK24/THMrX1ywFAmCi5wEACgkQ24/THMrX 1yxtFgf+OzfFn2JRwVyKHdBAPwZoJJT+BTQds43iuXSkSLYOR07z8k8q3oTEBfPM R0B5K9O869Prjinv+14tkO1coZs4vNb/4GTmxd4WEPwbA5AqGiq2Y+5VKbDL6Wwv FQeHDSgZ3xIgX+mq4gLX2Nccwlc4X8R6Pidq+5TLPGpEkIlutDQpIPfHMncYyrli Xr9ffRXZvbkck1UTNzx/h1epY3UwIupyhzIhz5ieqhhqRRsZKVKmd/D0Q8zUX9oS Wa60THmmamKjIPgEvN5LfFe0z6tYohJIWA5AnY6hQCSVbg29t1zXMIVpwYE+WL8n vPegbPQ2KbLcHd9RZ8igEIL0BlX+eA== =p4UQ -----END PGP SIGNATURE----- --v82u8Wko8ZqO+zT5--