From mboxrd@z Thu Jan 1 00:00:00 1970 From: Olaf Hering Subject: stale hypervisor info in HVM after migration Date: Fri, 14 Sep 2018 10:29:07 +0200 Message-ID: <20180914102907.1337e33b.olaf@aepfle.de> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============6712307743307869991==" Return-path: Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1g0jTY-0006Uq-0c for xen-devel@lists.xenproject.org; Fri, 14 Sep 2018 08:29:16 +0000 Received: from sender by smtp.strato.de (RZmta 44.1 AUTH) with ESMTPSA id j00953u8E8TC2xt (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (curve secp521r1 with 521 ECDH bits, eq. 15360 bits RSA)) (Client did not present a certificate) for ; Fri, 14 Sep 2018 10:29:12 +0200 (CEST) List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: xen-devel@lists.xenproject.org List-Id: xen-devel@lists.xenproject.org --===============6712307743307869991== Content-Type: multipart/signed; micalg=pgp-sha1; boundary="Sig_/fHM4NwEOJbdj2IbQOXvkZgQ"; protocol="application/pgp-signature" --Sig_/fHM4NwEOJbdj2IbQOXvkZgQ Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable During boot of a HVM domU, the running hypervisor ist recorded in DMI and d= mesg: crash> dmesg | grep -m1 Xen [ 0.000000] DMI: Xen HVM domU, BIOS 4.7.2_02-36.1.1284 08/28/2017 But after migration to another host, that info is not updated. Is there a chance to update that info in the kernels "resume" path? It would probably be ok to just do a printk in case DMI is a static string. Olaf --Sig_/fHM4NwEOJbdj2IbQOXvkZgQ Content-Type: application/pgp-signature Content-Description: Digitale Signatur von OpenPGP -----BEGIN PGP SIGNATURE----- iF0EARECAB0WIQSkRyP6Rn//f03pRUBdQqD6ppg2fgUCW5txUwAKCRBdQqD6ppg2 fjf9AKCr+M/d5tQdp7i4ybghXxPXAWBZxgCgx7rrNUrtDo2j0gmdBUfMJiLzsjQ= =1Y8v -----END PGP SIGNATURE----- --Sig_/fHM4NwEOJbdj2IbQOXvkZgQ-- --===============6712307743307869991== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVs IG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA== --===============6712307743307869991==--