From mboxrd@z Thu Jan 1 00:00:00 1970 From: Scott Wood Subject: Re: [PATCH 0/9 v2] vfio-pci: add support for Freescale IOMMU (PAMU) Date: Tue, 10 Dec 2013 14:29:17 -0600 Message-ID: <1386707357.10013.114.camel@snotra.buserror.net> References: <1384838233-24847-1-git-send-email-Bharat.Bhushan@freescale.com> <1384973243.2879.361.camel@ul30vt.home> <6A3DF150A5B70D4F9B66A25E3F7C888D0721D9AC@039-SN2MPN1-012.039d.mgd.msft.net> <1385066603.2879.414.camel@ul30vt.home> <1385066835.1403.489.camel@snotra.buserror.net> <1385067648.2879.421.camel@ul30vt.home> <6A3DF150A5B70D4F9B66A25E3F7C888D0722C180@039-SN2MPN1-012.039d.mgd.msft.net> <1386288052.7375.100.camel@snotra.buserror.net> <6A3DF150A5B70D4F9B66A25E3F7C888D07251EFF@039-SN2MPN1-012.039d.mgd.msft.net> <1386357907.7375.127.camel@snotra.buserror.net> <34c6142137194b1cbd2336013ed3b10d@BN1PR03MB266.namprd03.prod.outlook.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <34c6142137194b1cbd2336013ed3b10d-1xfNCLzsyCo4Ngm60E62wOO6mTEJWrR4XA4E9RH9d+qIuWR1G4zioA@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: "Bharat.Bhushan-KZfg59tc24xl57MIdRCFDg@public.gmane.org" Cc: Stuart Yoder , "linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "agraf-l3A5Bk7waGM@public.gmane.org" , "bhelgaas-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org" , "iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org" , 'Wood Scott-B07421' , "linuxppc-dev-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org" , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: iommu@lists.linux-foundation.org My e-mail address is , not On Tue, 2013-12-10 at 05:37 +0000, Bharat.Bhushan-KZfg59tc24xl57MIdRCFDg@public.gmane.org wrote: > > > -----Original Message----- > > From: Wood Scott-B07421 > > Sent: Saturday, December 07, 2013 12:55 AM > > To: Bhushan Bharat-R65777 > > Cc: Alex Williamson; linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org; agraf-l3A5Bk7waGM@public.gmane.org; Yoder Stuart- > > B08248; iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org; bhelgaas-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org; linuxppc- > > dev-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org; linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org > > Subject: Re: [PATCH 0/9 v2] vfio-pci: add support for Freescale IOMMU (PAMU) > > > > If the administrator does not opt into this partial loss of isolation, then once > > you run out of MSI groups, new users should not be able to set up MSIs. > > So mean vfio should use Legacy when out of MSI banks? Yes, if the administrator hasn't granted permission to share. -Scott