Re: [tboot-devel] [patch] x86: Add a delay between INIT & SIPIs for AP bring-up in X2APIC case

2011-12-21 Thread Tim Deegan
At 12:29 + on 21 Dec (1324470582), Wei, Gang wrote: > Without this delay, Xen could not bring APs up while working with > TXT/tboot, because tboot need some time in APs to handle INIT before > becoming ready for receiving SIPIs. (this delay was removed as part of > c/s 23724 by Tim

Re: [tboot-devel] [patch] x86: Add a delay between INIT & SIPIs for AP bring-up in X2APIC case

2011-12-22 Thread Tim Deegan
At 01:32 + on 22 Dec (1324517520), Wei, Gang wrote: > Tim Deegan wrote onĀ 2011-12-22: > > At 12:29 + on 21 Dec (1324470582), Wei, Gang wrote: > >> Without this delay, Xen could not bring APs up while working with > >> TXT/tboot, because tboot need some time i

Re: [tboot-devel] [patch] x86: Add a delay between INIT & SIPIs for tboot AP bring-up in X2APIC case

2011-12-27 Thread Tim Deegan
At 10:05 + on 27 Dec (1324980346), Wei, Gang wrote: > > So you jumped from 100ms to 10us - how was that value established? > > Or in other words, how certain is it that this (or any other) timeout > > is sufficient for all current and future systems implementing tboot? > > First way, code anal

Re: [tboot-devel] [Xen-devel] [patch] x86: Add a delay between INIT & SIPIs for tboot AP bring-up in X2APIC case

2011-12-29 Thread Tim Deegan
At 01:22 + on 28 Dec (1325035368), Wei, Gang wrote: > If no further question on this patch from anyone else, could you help > to check it in? Done. Tim. -- Ridiculously easy VDI. With Citrix VDI-in-a-Box, you don't n