> -----Original Message----- > From: Christoph Hellwig [mailto:hch@xxxxxxxxxxxxx] > Sent: Thursday, July 10, 2014 3:17 AM > To: KY Srinivasan > Cc: Christoph Hellwig; linux-kernel@xxxxxxxxxxxxxxx; > devel@xxxxxxxxxxxxxxxxxxxxxx; ohering@xxxxxxxx; > jbottomley@xxxxxxxxxxxxx; jasowang@xxxxxxxxxx; apw@xxxxxxxxxxxxx; > linux-scsi@xxxxxxxxxxxxxxx; stable@xxxxxxxxxxxxxxx > Subject: Re: [PATCH 7/8] drivers: scsi: storvsc: Set srb_flags in all cases > > On Wed, Jul 09, 2014 at 06:40:09PM +0000, KY Srinivasan wrote: > > > On Tue, Jul 08, 2014 at 05:46:51PM -0700, K. Y. Srinivasan wrote: > > > > Correctly set SRB flags for all valid I/O directions. Some IHV > > > > drivers on the Windows host require this. > > > > > > What are IHV drivers? > > > > If the target is a SAN device, the host simply passes the request over to the > native driver stack on the host. Some specific hardware (IHV - independent > hadware vendor) drivers on Windows require that SRB flags be correctly set > in all cases. > > > > I'm fine with putting this in, but treating I/O request from guests as trusted in > a hypervisor doesn't seem like a good idea in general.. The host does validate the guest request before forwarding the request to the appropriate target. K. Y _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
