[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 1/2] vm_event: sync domctl
On Wed, 2015-12-23 at 15:53 +0100, Tamas K Lengyel wrote: > Introduce new vm_event domctl option which allows an event subscriber > to request all vCPUs not currently pending a vm_event request to be > paused, > thus allowing the subscriber to sync up on the state of the domain. This > is especially useful when the subscribed wants to disable certain events > from being delivered and wants to ensure no more requests are pending on > the > ring before doing so. > > Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx> > Cc: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> > Cc: Ian Campbell <ian.campbell@xxxxxxxxxx> > Cc: Wei Liu <wei.liu2@xxxxxxxxxx> > Cc: Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx> > Signed-off-by: Tamas K Lengyel <tamas@xxxxxxxxxxxxx> > --- > Âtools/libxc/include/xenctrl.h | 11 +++++++++++ > Âtools/libxc/xc_vm_event.cÂÂÂÂÂ| 16 ++++++++++++++++ Tools side is pretty trivial, assuming there is agreement on the underlying hypercall interface: Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx> > +/*** > Â * Memory sharing operations. Do you also maintain this? If so do you fancy sending a patch to fix: > Â * > Â * Unles otherwise noted, these calls return 0 on succes, -1 and errno on "Unless" and "success" ? Ian.. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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