From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [PATCH v2 1/2] xen/arm: Add support of PSCI v1.0 for the host Date: Fri, 23 Oct 2015 11:39:25 +0100 Message-ID: <562A0E5D.9000906@citrix.com> References: <1444664352-16057-1-git-send-email-julien.grall@citrix.com> <1444664352-16057-2-git-send-email-julien.grall@citrix.com> <1445528531.2374.17.camel@citrix.com> <56291A34.7010107@citrix.com> <1445596751.2374.113.camel@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZpZmH-0001mH-6Q for xen-devel@lists.xenproject.org; Fri, 23 Oct 2015 10:40:53 +0000 In-Reply-To: <1445596751.2374.113.camel@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Ian Campbell , xen-devel@lists.xenproject.org Cc: Mark Rutland , Andre Przywara , stefano.stabellini@eu.citrix.com List-Id: xen-devel@lists.xenproject.org On 23/10/15 11:39, Ian Campbell wrote: > On Thu, 2015-10-22 at 18:17 +0100, Julien Grall wrote: >> Hi, >> >> On 22/10/15 16:42, Ian Campbell wrote: >>> On Mon, 2015-10-12 at 16:39 +0100, Julien Grall wrote: >>> >>> Subject: support PSCI v1.0 for the host. >>> >>>> From Xen point of view, PSCI v0.2 and PSCI v1.0 are very similar. All >>> Xen's >>> >>>> the PSCI calls used within Xen (PSCI_VERSION, CPU_ON, SYSTEM_OFF and >>>> SYSTEM_RESET) behaves exactly the same. >>> >>> behave >>> >>>> Furthermore, based on the spec (5.3.1 DEN0022C), any 1.y version must >>>> be >>>> compatible with 1.x when y > x for any functions existing in 1.x. >>>> >>>> So check the presence of the new compatible string [1] and allow Xen >>>> to >>>> boot on any platform using PSCI 1.x. >>>> >>>> [1] >>>> http://lists.infradead.org/pipermail/linux-arm-kernel/2015-October/37 >>>> 4547.html >>>> >>>> Signed-off-by: Julien Grall >>> >>> Acked-by: Ian Campbell >> >> Shall I resend a new version with those typos fixed? Or do you plan to >> do it when you'll commit the patch? > > Looks like those are the only changes required, so assuming you are are > happy with them I'll just do them on commit. I'm fine with that. Thank you! -- Julien Grall