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=-5.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 E2ED1C2BA19 for ; Wed, 22 Apr 2020 00:45:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B8B6520706 for ; Wed, 22 Apr 2020 00:45:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587516305; bh=lP4LUL1R/VUken8Vg67EpWoxvi8+s59sw/3TZqsHqI0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=2G5CcIYqSqZV40WQqJjqcDUk/fUJnWEzpofVvNt6b49ajWXQS9O5w9RaupK4Po8K8 1M/GG6KbCJ1a0CKJDjlzQXnyp0etInPw8X1E5b6pvJzPDta0vvRvfpU3MP4hmpRmsM fWU2IV7Pu/sDgJFyxQWgk9BvwH392dbhm19IwnFs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726039AbgDVApF (ORCPT ); Tue, 21 Apr 2020 20:45:05 -0400 Received: from mail.kernel.org ([198.145.29.99]:41550 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726012AbgDVApF (ORCPT ); Tue, 21 Apr 2020 20:45:05 -0400 Received: from localhost (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 78FB3206E9; Wed, 22 Apr 2020 00:45:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587516304; bh=lP4LUL1R/VUken8Vg67EpWoxvi8+s59sw/3TZqsHqI0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=E+YkqAIn1TVglPD1tAO3KB5b1yZwmXmtk/XswqMMVoPPs1V2ZdUV5QhquBtxHegQ6 Gmpg2IVBO+h0I0Ew6pKYhKa1UxIPmT9imeYg7aAIC7ivmV+OpNf8MwHyODBQcrDBIU rxbAWz4mh6RgoeImawRlsFB+MWr34+GTXgPJP9ns= Date: Tue, 21 Apr 2020 20:45:03 -0400 From: Sasha Levin To: gregkh@linuxfoundation.org Cc: Tianyu.Lan@microsoft.com, mikelley@microsoft.com, wei.liu@kernel.org, stable@vger.kernel.org Subject: Re: FAILED: patch "[PATCH] x86/Hyper-V: Report crash register data when" failed to apply to 4.19-stable tree Message-ID: <20200422004503.GS1809@sasha-vm> References: <158748916921284@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <158748916921284@kroah.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Tue, Apr 21, 2020 at 07:12:49PM +0200, gregkh@linuxfoundation.org wrote: > >The patch below does not apply to the 4.19-stable tree. >If someone wants it applied there, or to any other stable or longterm >tree, then please email the backport, including the original git commit >id to . > >thanks, > >greg k-h > >------------------ original commit in Linus's tree ------------------ > >>From 040026df7088c56ccbad28f7042308f67bde63df Mon Sep 17 00:00:00 2001 >From: Tianyu Lan >Date: Mon, 6 Apr 2020 08:53:30 -0700 >Subject: [PATCH] x86/Hyper-V: Report crash register data when > sysctl_record_panic_msg is not set > >When sysctl_record_panic_msg is not set, the panic will >not be reported to Hyper-V via hyperv_report_panic_msg(). >So the crash should be reported via hyperv_report_panic(). > >Fixes: 81b18bce48af ("Drivers: HV: Send one page worth of kmsg dump over Hyper-V during panic") >Reviewed-by: Michael Kelley >Signed-off-by: Tianyu Lan >Link: https://lore.kernel.org/r/20200406155331.2105-6-Tianyu.Lan@microsoft.com >Signed-off-by: Wei Liu This patch builds on 74347a99e73a ("x86/Hyper-V: Unload vmbus channel in hv panic callback") which previously failed to apply. Once that issue was resolved we can grab this patch too. -- Thanks, Sasha