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Re: [Xen-devel] [PATCH] arm/monitor vm-events: Implement guest-request support
- To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
- From: Corneliu ZUZU <czuzu@xxxxxxxxxxxxxxx>
- Date: Fri, 19 Feb 2016 18:10:39 +0200
- Cc: Tamas K Lengyel <tamas@xxxxxxxxxxxxx>, Keir Fraser <keir@xxxxxxx>, Ian Campbell <ian.campbell@xxxxxxxxxx>, Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxx, Stefano Stabellini <stefano.stabellini@xxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>
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- Delivery-date: Fri, 19 Feb 2016 16:10:48 +0000
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On 2/19/2016 6:05 PM, Andrew Cooper wrote:
On 19/02/16 16:00, Stefano Stabellini wrote:
On Fri, 19 Feb 2016, Corneliu ZUZU wrote:
On 2/19/2016 3:49 PM, Stefano Stabellini wrote:
On Thu, 18 Feb 2016, Corneliu ZUZU wrote:
+
+ if ( sync )
+ {
+ req->flags |= VM_EVENT_FLAG_VCPU_PAUSED;
+ vm_event_vcpu_pause(v);
+ }
+
+#if CONFIG_X86
+ if ( altp2m_active(d) )
I would rather
#define altp2m_active(d) (0)
on ARM, removing the two ifdefs in this file.
Yeah, I actually wanted to get rid of that too at some point, the question is,
what do I do with "req->altp2m_idx = vcpu_altp2m(v).p2midx"? I'm not familiar
w/ altp2m design, maybe someone that knows more of the internals of that can
give a suggestion.
If you #define altp2m_active to (0), gcc will automatically avoid the if
statement.
You will still get the compile error from ARM's struct vcpu not having
altp2m information.
~Andrew
Yep.
Corneliu.
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