From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from newverein.lst.de (verein.lst.de [213.95.11.211]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3yRKsH5qTWzDr4B for ; Wed, 1 Nov 2017 05:40:02 +1100 (AEDT) Date: Tue, 31 Oct 2017 19:39:59 +0100 From: Torsten Duwe To: "Naveen N . Rao" Cc: Kamalesh Babulal , Michael Ellerman , Balbir Singh , Josh Poimboeuf , Jessica Yu , Ananth N Mavinakayanahalli , Aravinda Prasad , linuxppc-dev@lists.ozlabs.org, live-patching@vger.kernel.org Subject: Re: [PATCH v3] kernel/module_64.c: Add REL24 relocation support of livepatch symbols Message-ID: <20171031183959.GA4313@lst.de> References: <1508217523-18885-1-git-send-email-kamalesh@linux.vnet.ibm.com> <20171031141959.7pqnlncg2236yqqg@naverao1-tp.localdomain> <20171031153004.GA31864@lst.de> <20171031162316.zerlu7ijb3qem33v@naverao1-tp.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20171031162316.zerlu7ijb3qem33v@naverao1-tp.localdomain> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tue, Oct 31, 2017 at 09:53:16PM +0530, Naveen N . Rao wrote: > On 2017/10/31 03:30PM, Torsten Duwe wrote: > > > > Maybe I failed to express my views properly; I find the whole approach [...] > > NAK'd-by: Torsten Duwe > > Hmm... that wasn't evident at all given Balbir's reponse to your > previous concerns and your lack of response for the same: > https://www.mail-archive.com/linuxppc-dev@lists.ozlabs.org/msg125350.html To me it was obvious that the root cause was kpatch's current inability to deal with ppc calling conventions when copying binary functions. Hence my hint at the discussion about a possible source-level solution that would work nicely for all architectures. Torsten