On 27/07/17 17:41, Boris Ostrovsky wrote: > On 07/27/2017 11:31 AM, Juergen Gross wrote: >> On 27/06/17 19:21, Venu Busireddy wrote: >>> This patch set is part of a set of patchs that together allow containment >>> of unrecoverable AER errors from PCIe devices assigned to guests in >>> passthrough mode. The containment is achieved by killing the guest and >>> hiding the device upon receiving the fatal AER error. >>> >>> The Xen patch related to this patch is: >>> >>> https://lists.xen.org/archives/html/xen-devel/2017-06/msg03269.html >>> >>> >>> This patch stores in xenstore the <s:b:d.f> of the passed through device >>> that triggered the AER unrecoverable error. This will allow xen (with a >>> watcher setup to watch "aerFailedSBDF") to make the device unassignable >>> until the next reboot or operator intervention using the xen tool stack. >>> >>> Note: >>> When unrecoverable AER errors are detected from the PCIe devices >>> assigned to guests in passthrough mode, BIOS's bring down the server, >>> thus bringing down the entire hypervisor. For this patch set to work, >>> the AER error handling needs to be delegated to the host operating system. >>> >>> Signed-off-by: Venu Busireddy <venu.busire...@oracle.com> >>> Signed-off-by: Elena Ufimtseva <elena.ufimts...@oracle.com> >> Reviewed-by: Juergen Gross <jgr...@suse.com> >> > > Isn't this dependent on Xen-side patches? I think we should wait until > those are accepted (if nothing else, the watch name should be agreed upon).
Right. I wouldn't commit the patch until the Xen side is ready. Just wanted to give a "go ahead" for the Xen side to avoid a deadlock. :-) Juergen _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
