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)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id C63531A0814 for ; Wed, 21 May 2014 17:24:34 +1000 (EST) Message-ID: <1400657062.18653.2.camel@pasglop> Subject: Re: [PATCH 3/4] drivers/vfio: New IOCTL command VFIO_EEH_INFO From: Benjamin Herrenschmidt To: Alexander Graf Date: Wed, 21 May 2014 17:24:22 +1000 In-Reply-To: <17FB3514-B4F0-437F-826F-C473AD4F139E@suse.de> References: <1400574612-19411-1-git-send-email-gwshan@linux.vnet.ibm.com> <1400574612-19411-4-git-send-email-gwshan@linux.vnet.ibm.com> <537B3AA7.7040106@suse.de> <537B3C68.8080102@suse.de> <20140520114031.GA20397@shangw> <537B4015.7030404@suse.de> <20140520122147.GA26483@shangw> <537B49C9.4000302@suse.de> <20140520123914.GA28441@shangw> <1400631832.3986.154.camel@pasglop> <17FB3514-B4F0-437F-826F-C473AD4F139E@suse.de> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Cc: "aik@ozlabs.ru" , Gavin Shan , "kvm-ppc@vger.kernel.org" , "alex.williamson@redhat.com" , "qiudayu@linux.vnet.ibm.com" , "linuxppc-dev@lists.ozlabs.org" List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Wed, 2014-05-21 at 08:23 +0200, Alexander Graf wrote: > > Note to Alex: This definitely kills the notifier idea for now > though, > > at least as a first class citizen of the design. We can add it as an > > optional optimization on top later. > > I don't think it does. The notifier would just get triggered on config > space read failures for example :). It's really just an aid for the > vfio user to have a common code path for error handling. I'll let Gavin make the final call on that one, if he thinks we can reliably trigger it and there isn't too much code churn as a consequence. Cheers, Ben.