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Re: [Xen-devel] [PATCH v3 2/2] xen/vm-events: Move parts of monitor_domctl code to common-side.
- To: xen-devel@xxxxxxxxxxxxx
- From: Corneliu ZUZU <czuzu@xxxxxxxxxxxxxxx>
- Date: Mon, 15 Feb 2016 10:46:38 +0200
- Cc: Tamas K Lengyel <tamas@xxxxxxxxxxxxx>, Keir Fraser <keir@xxxxxxx>, Ian Campbell <ian.campbell@xxxxxxxxxx>, Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Stefano Stabellini <stefano.stabellini@xxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>
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- Delivery-date: Mon, 15 Feb 2016 08:46:52 +0000
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On 2/15/2016 8:37 AM, Corneliu ZUZU wrote:
diff --git a/xen/common/monitor.c b/xen/common/monitor.c
new file mode 100644
index 0000000..b708cab
--- /dev/null
+++ b/xen/common/monitor.c
+ int rc;
+ bool_t requested_status = 0;
+
+ if ( unlikely(current->domain == d) ) /* no domain_pause() */
+ return -EPERM;
+
+ rc = xsm_vm_event_control(XSM_PRIV, d, mop->op, mop->event);
+ if ( unlikely(rc) )
+ return rc;
+
+ switch ( mop->op )
+ {
+ case XEN_DOMCTL_MONITOR_OP_ENABLE:
+ requested_status = 1;
+ /* fallthrough */
+ case XEN_DOMCTL_MONITOR_OP_DISABLE:
+ /* Check if event type is available. */
+ if ( unlikely(!(arch_monitor_get_capabilities(d) & (1 << mop->event)))
)
+ return -EOPNOTSUPP;
+ /* Arch-side handles enable/disable ops. */
+ return arch_monitor_domctl_event(d, mop);
Only noticed now, requested_status now became unused in this function.
Will remove in v4.
Corneliu.
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