From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ingo Molnar Subject: Re: x86: PIE support and option to extend KASLR randomization Date: Fri, 20 Oct 2017 10:13:20 +0200 Message-ID: <20171020081320.h5hsp46m7rgocusm__47184.8224210136$1508487261$gmane$org@gmail.com> References: <20170815075609.mmzbfwritjzvrpsn@gmail.com> <20170816151235.oamkdva6cwpc4cex@gmail.com> <20170821133222.2ek6bhqgdeoymxsg@hirez.programming.kicks-ass.net> <20170821142854.dmuusnbc2tsrai3v@hirez.programming.kicks-ass.net> <20170923100029.6nzpui6c3ke76bbs@gmail.com> <20170924223708.GA12616@amd> <20170925073342.2yoghmanhx6c75ho@gmail.com> <20171006103933.GA9497@amd> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1e5SQp-0001ki-DQ for xen-devel@lists.xenproject.org; Fri, 20 Oct 2017 08:13:27 +0000 Received: by mail-wm0-f68.google.com with SMTP id b189so20081029wmd.4 for ; Fri, 20 Oct 2017 01:13:25 -0700 (PDT) Content-Disposition: inline In-Reply-To: <20171006103933.GA9497@amd> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Pavel Machek Cc: Nicolas Pitre , Michal Hocko , kvm list , Radim =?utf-8?B?S3LEjW3DocWZ?= , Peter Zijlstra , Catalin Marinas , Christopher Li , Alexei Starovoitov , David Howells , Paul Gortmaker , Peter Foley , "H. Peter Anvin" , Kernel Hardening , Christoph Lameter , Thomas Gleixner , Kees Cook , the arch/x86 maintainers , Herbert Xu , Daniel Borkmann , Matthew Wilcox , Joerg Roedel , "Rafael J . Wysocki" List-Id: xen-devel@lists.xenproject.org CiogUGF2ZWwgTWFjaGVrIDxwYXZlbEB1Y3cuY3o+IHdyb3RlOgoKPiBPbiBNb24gMjAxNy0wOS0y NSAwOTozMzo0MiwgSW5nbyBNb2xuYXIgd3JvdGU6Cj4gPiAKPiA+ICogUGF2ZWwgTWFjaGVrIDxw YXZlbEB1Y3cuY3o+IHdyb3RlOgo+ID4gCj4gPiA+ID4gRm9yIGV4YW1wbGUsIHRoZXJlIHdvdWxk IGJlIGNvbGxpc2lvbiB3aXRoIHJlZ3VsYXIgdXNlci1zcGFjZSBtYXBwaW5ncywgcmlnaHQ/IAo+ ID4gPiA+IENhbiBsb2NhbCB1bnByaXZpbGVnZWQgdXNlcnMgdXNlIG1tYXAoTUFQX0ZJWEVEKSBw cm9iaW5nIHRvIGZpZ3VyZSBvdXQgd2hlcmUgCj4gPiA+ID4gdGhlIGtlcm5lbCBsaXZlcz8KPiA+ ID4gCj4gPiA+IExvY2FsIHVucHJpdmlsZWRnZWQgdXNlcnMgY2FuIHByb2JhYmx5IGdldCB5b3Vy IHNlY3JldCBiaXRzIHVzaW5nIGNhY2hlIHByb2JpbmcgCj4gPiA+IGFuZCBqdW1wIHByZWRpY3Rp b24gYnVmZmVycy4KPiA+ID4gCj4gPiA+IFllcywgeW91IGRvbid0IHdhbnQgdG8gbGVhayB0aGUg aW5mb3JtYXRpb24gdXNpbmcgbW1hcChNQVBfRklYRUQpLCBidXQgQ1BVIHdpbGwgCj4gPiA+IGxl YWsgaXQgZm9yIHlvdSwgYW55d2F5Lgo+ID4gCj4gPiBEZXBlbmRzIG9uIHRoZSBDUFUgSSB0aGlu aywgYW5kIENQVSB2ZW5kb3JzIGFyZSBidXN5IHRyeWluZyB0byBtaXRpZ2F0ZSB0aGlzIAo+ID4g YW5nbGUuCj4gCj4gSSBiZWxpZXZlIGFueSB4ODYgQ1BVIHJ1bm5pbmcgTGludXggd2lsbCBsZWFr IGl0LiBBbmQgd2l0aCBDUFUgdmVuZG9ycwo+IHB1dHRpbmcgImFydGlmaWNhbCBpbnRlbGlnZW5j ZSIgaW50byBicmFuY2ggcHJlZGljdGlvbiwgbm8sIEkgZG9uJ3QKPiB0aGluayBpdCBpcyBnb2lu ZyB0byBnZXQgYmV0dGVyLgo+IAo+IFRoYXQgZG9lcyBub3QgbWVhbiB3ZSBzaG91ZGwgbm90IHBy ZXZlbnQgbW1hcCgpIGluZm8gbGVhaywgYnV0Li4uCgpUaGF0IG1pZ2h0IG9yIG1pZ2h0IG5vdCBi ZSBzbywgYnV0IHRoZXJlJ3MgYSB3b3JsZCBvZiBhIGRpZmZlcmVuY2UgYmV0d2VlbgpydW5uaW5n IGEgcmVsYXRpdmVseSBsb25nIHN0YXRpc3RpY2FsIGF0dGFjayBmaWd1cmluZyBvdXQgdGhlIGtl cm5lbCdzCmxvY2F0aW9uLCB2ZXJzdXMgYmVpbmcgYWJsZSB0byBwcm9ncmFtbWF0aWNhbGx5IHBy b2JlIHRoZSBrZXJuZWwncyBsb2NhdGlvbgpieSB1c2luZyBsYXJnZSBNQVBfRklYRUQgdXNlci1z cGFjZSBtbWFwKClzLCB3aXRoaW4gYSBmZXcgZG96ZW4gbWljcm9zZWNvbmRzCm9yIHNvIGFuZCBh IDEwMCUgZ3VhcmFudGVlZCwgbm9uLXN0YXRpc3RpY2FsIHJlc3VsdC4KClRoYW5rcywKCglJbmdv CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2 ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVu Lm9yZy94ZW4tZGV2ZWwK