[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v10 6/7] vmx: VT-d posted-interrupt core logic handling
> -----Original Message----- > From: Dario Faggioli [mailto:dario.faggioli@xxxxxxxxxx] > Sent: Wednesday, January 20, 2016 7:13 PM > To: Jan Beulich <JBeulich@xxxxxxxx>; Wu, Feng <feng.wu@xxxxxxxxx> > Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>; George Dunlap > <george.dunlap@xxxxxxxxxxxxx>; Tian, Kevin <kevin.tian@xxxxxxxxx>; xen- > devel@xxxxxxxxxxxxx; Keir Fraser <keir@xxxxxxx> > Subject: Re: [PATCH v10 6/7] vmx: VT-d posted-interrupt core logic handling > > On Wed, 2016-01-20 at 01:35 -0700, Jan Beulich wrote: > > > > > On 20.01.16 at 08:49, <feng.wu@xxxxxxxxx> wrote: > > > > > > If we put the hook in 'else', we'd always go down the full blocking > path, even if an event became pending while arranging for that, and > we'll have to be woken again, as soon as the event is handled. How > effective an optimization this is depends on how probable and frequent > it is that we get interrupts during the execution of the hook, which, > as said, it's not easy to either just tell or measure. Thanks a lot for your explanation, Dario. Thanks, Feng _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
|
Lists.xenproject.org is hosted with RackSpace, monitoring our |