From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932594AbcLGQTf (ORCPT ); Wed, 7 Dec 2016 11:19:35 -0500 Received: from mo4-p00-ob.smtp.rzone.de ([81.169.146.219]:20906 "EHLO mo4-p00-ob.smtp.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752956AbcLGQTe (ORCPT ); Wed, 7 Dec 2016 11:19:34 -0500 X-RZG-AUTH: :P2EQZWCpfu+qG7CngxMFH1J+zrwiavkK6tmQaLfsxs2aAREi5ot6NU1lDBDAeW25UYlxQDf7DSfMqB+3UAl5iyU1Bow= X-RZG-CLASS-ID: mo00 Date: Wed, 7 Dec 2016 17:19:29 +0100 From: Olaf Hering To: KY Srinivasan Cc: "vkuznets@redhat.com" , "gregkh@linuxfoundation.org" , "linux-kernel@vger.kernel.org" , "devel@linuxdriverproject.org" Subject: Re: move hyperv CHANNELMSG_UNLOAD from crashed kernel to kdump kernel Message-ID: <20161207161929.GD1618@aepfle.de> References: <20161207085110.GC1618@aepfle.de> <7CEFFEF3-911A-4D37-AC37-DF8C6A3395BF@aepfle.de> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="mSxgbZZZvrAyzONB" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.7.1 (6878) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --mSxgbZZZvrAyzONB Content-Type: text/plain; charset=utf-8 Content-Disposition: inline On Wed, Dec 07, KY Srinivasan wrote: > Is there a mechanism for stashing away state that can be retrieved in > the context of the execed kernel. I have to find out. To simplify things the new approach may only be used in the kdump case, which already passes various info in cmdline. Most likely there is a way to preserve a few gpfns with the relevant data. Olaf --mSxgbZZZvrAyzONB Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EARECAB0WIQSkRyP6Rn//f03pRUBdQqD6ppg2fgUCWEg2iwAKCRBdQqD6ppg2 fuknAKD4hFpz6ak7Rq0WeKBR3TjuzjYiDwCeJFPXUwS4qrQYMvwTEnAc4A0Kn74= =BdCu -----END PGP SIGNATURE----- --mSxgbZZZvrAyzONB--