From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752159Ab3FZOPe (ORCPT ); Wed, 26 Jun 2013 10:15:34 -0400 Received: from mail.skyhub.de ([78.46.96.112]:46760 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751738Ab3FZOPc (ORCPT ); Wed, 26 Jun 2013 10:15:32 -0400 Date: Wed, 26 Jun 2013 16:15:28 +0200 From: Borislav Petkov To: Matt Fleming Cc: Grant Likely , Leif Lindholm , "linux-arm-kernel@lists.infradead.org" , linux-efi@vger.kernel.org, "linux-doc@vger.kernel.org" , Linux Kernel Mailing List , "patches@linaro.org" , "H. Peter Anvin" , Thomas Gleixner , matt.fleming@intel.com Subject: Re: [PATCH 3/4] arm: Add [U]EFI runtime services support Message-ID: <20130626141528.GF20274@pd.tnic> References: <1372183863-11333-1-git-send-email-leif.lindholm@linaro.org> <1372183863-11333-4-git-send-email-leif.lindholm@linaro.org> <20130626135417.GP22026@console-pimps.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20130626135417.GP22026@console-pimps.org> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 26, 2013 at 02:54:17PM +0100, Matt Fleming wrote: > On Wed, 26 Jun, at 02:46:09PM, Grant Likely wrote: > > Eventually we'll need to look at how this interacts with kexec. A > > kexec'd kernel will need to use the mapping already chosen by a > > previous kernel, but that's an issue for another patch series. > > FYI, this is exactly what Borislav has been tackling on x86 recently. It > would be nice if we could find one scheme that suits everyone. Is this arm 32 or 64-bit? Because we haven't talked about 32-bit on x86 either. From skimming over the code, I'm not sure the same top-down allocation and 1:1 mapping would work there. But I haven't looked hard yet so I dunno. -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. --