> -----Original Message----- > From: Jan Beulich [mailto:jbeul...@suse.com] > Sent: 02 March 2016 14:21 > To: Paul Durrant > Cc: Wei Liu; xen-devel; George Dunlap > Subject: RE: [Xen-devel] Xen 4.7 Development Update > > >>> On 02.03.16 at 15:07, <paul.durr...@citrix.com> wrote: > >> -----Original Message----- > >> From: Xen-devel [mailto:xen-devel-boun...@lists.xen.org] On Behalf Of > Jan > >> Beulich > >> Sent: 02 March 2016 13:33 > >> To: George Dunlap > >> Cc: xen-devel; Wei Liu > >> Subject: Re: [Xen-devel] Xen 4.7 Development Update > >> > >> >>> On 02.03.16 at 12:38, <dunl...@umich.edu> wrote: > >> > On Mon, Feb 29, 2016 at 11:17 AM, Wei Liu <wei.l...@citrix.com> wrote: > >> >> * Improve ioreq server performance > >> >> - Yu Zhang > >> >> - Paul Durrant > >> > > >> > If this means "use RB trees for rangesets", I think this is already in. > >> > >> No, it's not. There was no point in committing that one without > >> the patch actually needing it. > >> > > > > Using RB trees vs. a linear walk is still an improvement so I see no harm in > > committing it. > > But the individual nodes (and hence the overall resource use) > grow, and whether that is worth the presumably tiny win on > lookups I'm not at all certain. >
Ok. Your call but I would have thought the increased resource use was small enough to not worry about.. it must be in the order of kilobytes, if that. Paul > Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
