>>> On 17.08.15 at 17:07, <t...@xen.org> wrote: > At 14:53 +0100 on 17 Aug (1439823232), Ben Catterall wrote: >> So, have we arrived at a decision for this? Thanks! > > Seems to have stalled a bit. OK, I propose that: > - we use TR/IST to make Xen take interrupts/exceptions at a different SP; > - we make that SP be an extension of the main stack, so that things > like current() Just Work[tm]; > - we set this up and tear it down when we enter/leave depriv mode. > - someone ought to look at the case where IST handlers copy > themselves to the main stack, and see if we need to adjust that too. > > Any other proposals?
No. > I think we can leave the question of TR switching on VMEXIT as a > separate issue. Just like for the other one - at this point I think anything that work should be okay. Dealing with quirks can be deferred (but it would be nice if a respective note was added in a prominent place so it doesn't get forgotten once/if these patches leave RFC state). Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
