From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marc Zyngier Subject: Re: [PATCH v4 02/32] arm64: KVM: HYP mode idmap support Date: Mon, 20 May 2013 16:43:06 +0100 Message-ID: <519A448A.4000506@arm.com> References: <1368540840-26750-1-git-send-email-marc.zyngier@arm.com> <1368540840-26750-3-git-send-email-marc.zyngier@arm.com> <20130520153142.GA3639@MacBook-Pro.local> Mime-Version: 1.0 Content-Type: text/plain; charset=WINDOWS-1252 Content-Transfer-Encoding: 8BIT Cc: "linux-arm-kernel@lists.infradead.org" , "kvmarm@lists.cs.columbia.edu" , "kvm@vger.kernel.org" , Will Deacon , "pbonzini@redhat.com" , "gleb@redhat.com" To: Catalin Marinas Return-path: Received: from service87.mimecast.com ([91.220.42.44]:32855 "EHLO service87.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752024Ab3ETPnK convert rfc822-to-8bit (ORCPT ); Mon, 20 May 2013 11:43:10 -0400 In-Reply-To: <20130520153142.GA3639@MacBook-Pro.local> Sender: kvm-owner@vger.kernel.org List-ID: On 20/05/13 16:31, Catalin Marinas wrote: > On Tue, May 14, 2013 at 03:13:30PM +0100, Marc Zyngier wrote: >> Add the necessary infrastructure for identity-mapped HYP page >> tables. Idmap-ed code must be in the ".hyp.idmap.text" linker >> section. >> >> The rest of the HYP ends up in ".hyp.text". >> >> Signed-off-by: Marc Zyngier > ... >> +/* >> + * The HYP init code can't be more than a page long. >> + */ >> +ASSERT(((__hyp_idmap_text_start + PAGE_SIZE) >= __hyp_idmap_text_end), >> + "HYP init code too big") > > Is __hyp_idmap_text_end inclusive or exclusive? I think the latter and > you can use greater than (without equal). Indeed. I'll update the check. > Otherwise: > > Reviewed-by: Catalin Marinas Thanks, M. -- Jazz is not dead. It just smells funny...