* A question about GIC
@ 2014-04-07 6:59 김재민
2014-04-07 9:13 ` Ian Campbell
0 siblings, 1 reply; 2+ messages in thread
From: 김재민 @ 2014-04-07 6:59 UTC (permalink / raw)
To: Xen-devel@lists.xen.org
Hello, This is a question about GIC.
It looks like xen does not save the context for GICV.
Since it is used by multiple VMs for acting as a GICC, should xen save and restore the status of GICV?
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: A question about GIC
2014-04-07 6:59 A question about GIC 김재민
@ 2014-04-07 9:13 ` Ian Campbell
0 siblings, 0 replies; 2+ messages in thread
From: Ian Campbell @ 2014-04-07 9:13 UTC (permalink / raw)
To: jmkim.kim; +Cc: Xen-devel@lists.xen.org
On Mon, 2014-04-07 at 06:59 +0000, 김재민 wrote:
> Hello, This is a question about GIC.
> It looks like xen does not save the context for GICV.
> Since it is used by multiple VMs for acting as a GICC, should xen save
> and restore the status of GICV?
This is not necessary, since the GICV is driven by the settings given
the GICH which we do context switch as necessary. The GICV is just the
guest's window onto that state.
Ian.
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2014-04-07 6:59 A question about GIC 김재민
2014-04-07 9:13 ` Ian Campbell
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