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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DE035C433F5 for ; Mon, 14 Mar 2022 20:30:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244998AbiCNUbO (ORCPT ); Mon, 14 Mar 2022 16:31:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38132 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235159AbiCNUbN (ORCPT ); Mon, 14 Mar 2022 16:31:13 -0400 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id C93333980A; Mon, 14 Mar 2022 13:30:02 -0700 (PDT) Received: from jpiotrowski-Surface-Book-3 (ip-037-201-215-233.um10.pools.vodafone-ip.de [37.201.215.233]) by linux.microsoft.com (Postfix) with ESMTPSA id 2E6E5205836B; Mon, 14 Mar 2022 13:30:00 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 2E6E5205836B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1647289802; bh=Fks9i7pn0mLZFjX0LLugNfOXGZa5Y/Q/DFVFR48RSsM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=D6fVzMnuBHzNLsMNZgWE/rnNHJ1FwAZutcCEBtgwykRYHTUDFcmjVXcOQqFnZKGPf AWZMbPsMpQU72RJQ16Zx6/dgXvxiJSQUrv1bIS9GabKuPputsm5ssCS3bXcr4ZjIso aw7p+zaed2TbhKEoyPBKABzoWs/ADUBZTPQurDKU= Date: Mon, 14 Mar 2022 21:29:53 +0100 From: Jeremi Piotrowski To: Dusty Mabe Cc: Stefan Roese , linux-kernel@vger.kernel.org, Thomas Gleixner , linux-pci@vger.kernel.org, Bjorn Helgaas , Michal Simek , Marek Vasut , x86@kernel.org, maz@kernel.org Subject: Re: [tip: irq/urgent] PCI/MSI: Mask MSI-X vectors only on success Message-ID: References: <20211210161025.3287927-1-sr@denx.de> <163948488617.23020.3934435568065766936.tip-bot2@tip-bot2> <43418c23-5efd-4d14-706f-f536c504b75a@denx.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Mar 14, 2022 at 01:04:55PM -0400, Dusty Mabe wrote: > > > On 3/14/22 12:49, Stefan Roese wrote: > > > I've added Dusty to Cc, as he (and others) already have been dealing > > with this issue AFAICT. > > > > Dusty, could you perhaps chime in with the latest status? AFAIU, it's > > related to potential issues with the Xen version used on these systems? > > Thanks Stefan, > > Yes. My understanding is that the issue is because AWS is using older versions > of Xen. They are in the process of updating their fleet to a newer version of > Xen so the change introduced with Stefan's commit isn't an issue any longer. > > I think the changes are scheduled to be completed in the next 10-12 weeks. For > now we are carrying a revert in the Fedora Kernel. > > You can follow this Fedora CoreOS issue if you'd like to know more about when > the change lands in their backend. We work closely with one of their partner > engineers and he keeps us updated. https://github.com/coreos/fedora-coreos-tracker/issues/1066 > > Dusty Thanks for the link and explanation. What a fun coincidence that we hit this in Flatcar Container Linux as well. We've reverted the commit in our kernels for the time being, and will track that issue. Thanks, Jeremi