From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754795AbaIVTno (ORCPT ); Mon, 22 Sep 2014 15:43:44 -0400 Received: from mail.skyhub.de ([78.46.96.112]:49937 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754575AbaIVTnl (ORCPT ); Mon, 22 Sep 2014 15:43:41 -0400 Date: Mon, 22 Sep 2014 21:43:35 +0200 From: Borislav Petkov To: Paolo Bonzini Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, chris@arachsys.com, Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, Borislav Petkov Subject: Re: [PATCH] x86: kvm: use alternatives for VMCALL vs. VMMCALL if kernel text is read-only Message-ID: <20140922194335.GB5119@pd.tnic> References: <1411384668-11135-1-git-send-email-pbonzini@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <1411384668-11135-1-git-send-email-pbonzini@redhat.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Sep 22, 2014 at 01:17:48PM +0200, Paolo Bonzini wrote: > On x86_64, kernel text mappings are mapped read-only with CONFIG_DEBUG_RODATA. Hmm, that depends on DEBUG_KERNEL. I think you're actually talking about distro kernels which enable CONFIG_DEBUG_RODATA, right? -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. --