From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: [PATCH v3 07/23] xsplice: Implement support for applying/reverting/replacing patches. (v5) Date: Tue, 23 Feb 2016 15:53:22 -0500 Message-ID: <20160223205322.GE15838@char.us.oracle.com> References: <1455300361-13092-1-git-send-email-konrad.wilk@oracle.com> <1455300361-13092-8-git-send-email-konrad.wilk@oracle.com> <56C3744E.8000702@citrix.com> <20160223204157.GB15838@char.us.oracle.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 1aYJxg-0001Va-Fw for xen-devel@lists.xenproject.org; Tue, 23 Feb 2016 20:53:36 +0000 Content-Disposition: inline In-Reply-To: <20160223204157.GB15838@char.us.oracle.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: Andrew Cooper Cc: Kevin Tian , Keir Fraser , Ian Campbell , Jun Nakajima , jinsong.liu@alibaba-inc.com, xen-devel@lists.xen.org, mpohlack@amazon.de, ross.lagerwall@citrix.com, Stefano Stabellini , Aravind Gopalakrishnan , Jan Beulich , xen-devel@lists.xenproject.org, Boris Ostrovsky , Suravee Suthikulpanit , sasha.levin@citrix.com List-Id: xen-devel@lists.xenproject.org On Tue, Feb 23, 2016 at 03:41:57PM -0500, Konrad Rzeszutek Wilk wrote: > .. snip.. > > > + * Note that because of this NOP code the do_nmi is not safely patchable. > > > + * Also if we do receive 'real' NMIs we have lost them. > > > > The MCE path needs consideration as well. Unlike the NMI path however, > > that one cannot be ignored. > > > > In both cases, it might be best to see about raising a tasklet or > > softirq to pick up some deferred work. > > I will put that in a seperate patch as this is patch is big enough. > .. which will also fix the alternative_asm() usage of it.