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> Thanks, Juergen _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
