From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: ARC-Seal: i=1; a=rsa-sha256; t=1518370847; cv=none; d=google.com; s=arc-20160816; b=jyFrHe0QiGqO4KS+w97q2PCkGaw1h1qwKr29Q06MHXFNOUVSwIq7VpQ96ZwWVPdhZ8 3KldqRB15ulbdaE++M+FHPwCxfbXKZv/QWoZWme6+r78tvjAL/qff8zIAj0I/GsS/Ehv f7L1cU8UNEwbxx//BTEur1lohtfLCS28HNKiSr69Zv5B211VaZnkpkObnBVsASOW5MRT edN8WZ60mPjw1bj3NikX2bbbHsNGc9tML89nzpJ+smX5Be4WbrNfHyVBgwf5kKjoNLJj ZLkEGFxCV8LCihsCDCBdVdqCaI5uTH5hssAy09dTQs18W5fhphEelCX6G0YhzqweXuKq dGUA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=references:to:cc:in-reply-to:date:subject:mime-version:message-id :from:dkim-signature:arc-authentication-results; bh=04OnLRblxY/vaf8XU/knIIFW7JdsQkAmK/bnZu43e74=; b=t4P2e4NAvZtnB/LX2HuumGDS60Ua5dzHR/XSebUK8sMnWXYEVn5NhnUa3cInA7NlcN Qj+mVJbI5a4ZllJu8Vf8eOhy00K1n7WHiXvMVmyTrIq7BV4pcw6seBmy6Fin9IEidjP6 H0Dhz66WgtdDTEvGNmwjEEwO3/9ZqgBGQ+XBVygQJ8dgn11AYEQDruMVQEYM4hAlNDpd 6SHPiT/OXWe5UdV1m+9/DIZ6rmCGds/8G0071TmkRSNNEN2RPjS4VJMkSWVQagl7Oe61 j2xOONI2+qgYJTNXmF59d33sZVHcqqhKCgbBdhfkChkaJywYkyX63YuGuByFaOGVsgZD C7bw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=KVaHeGCy; spf=pass (google.com: domain of mrustad@gmail.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=mrustad@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=KVaHeGCy; spf=pass (google.com: domain of mrustad@gmail.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=mrustad@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com X-Google-Smtp-Source: AH8x225A2l646kJzYOEXyLK6rPK3aHryryZcOTuocnjw4WYtBgSlcfdm0YOdhK1HWcjMHDoaMENf9w== From: Mark D Rustad Message-Id: <6FB16384-7597-474E-91A1-1AF09201CEAC@gmail.com> Content-Type: multipart/signed; boundary="Apple-Mail=_DCD15F6B-F8AE-4A90-959F-96DD4FD7056B"; protocol="application/pgp-signature"; micalg=pgp-sha256 Mime-Version: 1.0 (Mac OS X Mail 10.3 \(3273\)) Subject: Re: [PATCH 00/31 v2] PTI support for x86_32 Date: Sun, 11 Feb 2018 09:40:41 -0800 In-Reply-To: <20180211105909.53bv5q363u7jgrsc@angband.pl> Cc: Linus Torvalds , Joerg Roedel , Andy Lutomirski , Joerg Roedel , Thomas Gleixner , Ingo Molnar , "H . Peter Anvin" , X86 ML , LKML , Linux-MM , Dave Hansen , Josh Poimboeuf , Juergen Gross , Peter Zijlstra , Borislav Petkov , Jiri Kosina , Boris Ostrovsky , Brian Gerst , David Laight , Denys Vlasenko , Eduardo Valentin , Greg KH , Will Deacon , "Liguori, Anthony" , Daniel Gruss , Hugh Dickins , Kees Cook , Andrea Arcangeli , Waiman Long , Pavel Machek To: Adam Borowski References: <1518168340-9392-1-git-send-email-joro@8bytes.org> <20180209191112.55zyjf4njum75brd@suse.de> <20180210091543.ynypx4y3koz44g7y@angband.pl> <20180211105909.53bv5q363u7jgrsc@angband.pl> X-Mailer: Apple Mail (2.3273) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1591914900490843452?= X-GMAIL-MSGID: =?utf-8?q?1592127230306513677?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: --Apple-Mail=_DCD15F6B-F8AE-4A90-959F-96DD4FD7056B Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii > On Feb 11, 2018, at 2:59 AM, Adam Borowski = wrote: >=20 >> Does Debian make it easy to upgrade to a 64-bit kernel if you have a >> 32-bit install? >=20 > Quite easy, yeah. Crossgrading userspace is not for the faint of the = heart, > but changing just the kernel is fine. ISTR that iscsi doesn't work when running a 64-bit kernel with a 32-bit = userspace. I remember someone offered kernel patches to fix it, but I = think they were rejected. I haven't messed with that stuff in many = years, so perhaps the userspace side now has accommodation for it. It = might be something to check on. -- Mark Rustad, MRustad@gmail.com --Apple-Mail=_DCD15F6B-F8AE-4A90-959F-96DD4FD7056B Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP -----BEGIN PGP SIGNATURE----- Comment: GPGTools - http://gpgtools.org iQIzBAEBCAAdFiEE6ug8b0Wg+ULmnksNPA7/547j7m4FAlqAgBkACgkQPA7/547j 7m7WqQ//dL2W2MDxrxtXXgkVjhGojpNcHzpDqPCADZDc7qu0oTnN/po8Cel4KP2n Wz+nuvnBAWjJdlyo+SAprxBqYRxxTa5u3laswYaouwWptmxvMn7B3KJu4tQWsZpd bFDxlk8nY2gMnNqMGe4ScVHgXOXLUl2hlSA0OJ1GAp/lHUx/K33B542y4FiXeQ9G oB5OPSJBGmPb8c+/XrSgDsFVo8bWili4Ubbk0Tdu4JNGaz1BD323u8NSJGh8S0ME RIYu4hfDZtQJ5slnTU67cxt2R7fvMAzxRpCCeM4QG60aGvkN3CycmfGuxSk6y7K8 g0XsoIOsXwjLoSMtaroMFw7Mo8W+aK0VZ8+ZOC53qTaArVb0jb31SGEtb7C7cI1M Vjn3ttS8YNDpUDMEBM3+khj6LNH3Ukf6GcoVg/Z+ZUU3IurTHrU93rV2JMplXLua Qrza/Ei8t0EbgpcXc9qCY3bPOAL+reESKoBfBoxQsBJ2HGvsWVsKIdvZ2BhbnHPe wiGlw+1s/230B7HRU17eihyftpDi+8CrK30jE6qP3hjpLYJYMJKpT9pxPXMnDujV 8jPmCbhP/DCMRDPKvdpzchAyUN2zIUf9xYsCuzzqXYN9b9dntAJKNrD/ynnbLybr ntvdu1ByozCeHtyhJaNOSD+tUtF6MDskIy6ySTYJ/xaL88QXi/Q= =VaGL -----END PGP SIGNATURE----- --Apple-Mail=_DCD15F6B-F8AE-4A90-959F-96DD4FD7056B--