From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yinghai Lu Subject: Re: [PATCH 1/8] x86, kaslr: get kaslr_enabled back correctly Date: Sun, 1 Mar 2015 12:24:08 -0800 Message-ID: References: <1425176259-30087-1-git-send-email-yinghai@kernel.org> <1425176259-30087-2-git-send-email-yinghai@kernel.org> <20150301094557.GA7748@pd.tnic> <20150301152351.GA17391@gmail.com> <20150301194904.GC7748@pd.tnic> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Return-path: In-Reply-To: <20150301194904.GC7748-fF5Pk5pvG8Y@public.gmane.org> Sender: linux-efi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Borislav Petkov Cc: Ingo Molnar , Jiri Kosina , Kees Cook , Matt Fleming , Thomas Gleixner , "H. Peter Anvin" , Ingo Molnar , Bjorn Helgaas , Linus Torvalds , Linux Kernel Mailing List , "linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: linux-efi@vger.kernel.org On Sun, Mar 1, 2015 at 11:49 AM, Borislav Petkov wrote: > On Sun, Mar 01, 2015 at 11:27:48AM -0800, Yinghai Lu wrote: >> other 7 should also address the problem in >> http://lkml.kernel.org/r/1424929021.10337.24.camel-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org > > No, they don't: > > [ 0.000000] parse_setup_data: data: 0x2206e50 (va: ffffffffff200e50) { next: 0x0, type: 0x0, len: 16, data[0]: 0x0 } > [ 0.000000] Unknown setup_data type: 0 ignored! > > -- ok, i get your point. static allocation in misc.c can not be used to kernel/head_64.S stage safely. Thanks Yinghai