lkml.org 
[lkml]   [2019]   [Jun]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [RFC PATCH 09/16] xen/evtchn: support evtchn in xenhost_t
From
Date
On 09.05.19 19:25, Ankur Arora wrote:
> Largely mechanical patch that adds a new param, xenhost_t * to the
> evtchn interfaces. The evtchn port instead of being domain unique, is
> now scoped to xenhost_t.
>
> As part of upcall handling we now look at all the xenhosts and, for
> evtchn_2l, the xenhost's shared_info and vcpu_info. Other than this
> event handling is largley unchanged.
>
> Note that the IPI, timer, VIRQ, FUNCTION, PMU etc vectors remain
> attached to xh_default. Only interdomain evtchns are allowable as
> xh_remote.

I'd do only the interface changes for now (including evtchn FIFO).

The main difference will be how to call the hypervisor for sending an
event (either direct or via a passthrough-hypercall).


Juergen

\
 
 \ /
  Last update: 2019-06-14 14:04    [W:1.462 / U:0.288 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site