Re: [Xen-devel] [PATCH 5/6] x86emul: support INVPCID

[Paul Durrant <Paul.Durrant@xxxxxxxxxx>]

> -----Original Message-----
> From: Jan Beulich <JBeulich@xxxxxxxx>
> Sent: 01 July 2019 12:58
> To: xen-devel@xxxxxxxxxxxxxxxxxxxx
> Cc: Andrew Cooper <Andrew.Cooper3@xxxxxxxxxx>; Paul Durrant 
> <Paul.Durrant@xxxxxxxxxx>; Roger Pau Monne
> <roger.pau@xxxxxxxxxx>; Wei Liu <wl@xxxxxxx>
> Subject: [PATCH 5/6] x86emul: support INVPCID
> 
> Just like for INVLPGA the HVM hook only supports PCID 0 for the time
> being for individual address invalidation. It also translates the other
> types to a full flush, which is architecturally permitted and
> performance-wise presumably not much worse because emulation is slow
> anyway.
> 
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

hvm/emulate bits...

Reviewed-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxxx
https://lists.xenproject.org/mailman/listinfo/xen-devel