From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 4C78C2C016E for ; Wed, 8 May 2013 06:49:53 +1000 (EST) Message-ID: <1367959778.25488.17.camel@pasglop> Subject: Re: [PATCH] arch/powerpc: advertise ISA2.07, HTM, DSCR, EBB and ISEL bits in HWCAP2 From: Benjamin Herrenschmidt To: Nishanth Aravamudan Date: Wed, 08 May 2013 06:49:38 +1000 In-Reply-To: <20130507203346.GA7307@linux.vnet.ibm.com> References: <20130503231933.GA29436@linux.vnet.ibm.com> <1367623431.4389.132.camel@pasglop> <20130503234019.GE8561@linux.vnet.ibm.com> <1367876228.15842.62.camel@pasglop> <20130507203346.GA7307@linux.vnet.ibm.com> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Cc: linuxppc-dev@lists.ozlabs.org, Michael R Meissner , Steve Munroe , Peter Bergner , Ryan Arnold , Michael Neuling List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tue, 2013-05-07 at 13:33 -0700, Nishanth Aravamudan wrote: > > Similarily, Nish, you may need to check that we remove those bits if > > pHyp has the partition in a mode that doesn't support them (P7 > > compatibility for example) for migration purposes. > > Yep, I'll need to talk with Mikey about this part. Will be a follow-on > patch if needed. Minimally, the bit defines will stay the same, which is > the important part to get going right now. Actually in such a mode we'd get a back-version architected PVR so we should be fine now that I think twice, but of course that need to be tested. Cheers, Ben.