[Xen-devel] RE: Xen 4.1 rc1 test report

To:	"Wei, Gang" <gang.wei@xxxxxxxxx>, "Zheng, Shaohui" <shaohui.zheng@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject:	[Xen-devel] RE: Xen 4.1 rc1 test report
From:	"Wei, Gang" <gang.wei@xxxxxxxxx>
Date:	Wed, 26 Jan 2011 14:31:00 +0800
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Cc:	Keir Fraser <keir@xxxxxxx>, "Wei, Gang" <gang.wei@xxxxxxxxx>
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Thread-topic:	Xen 4.1 rc1 test report

Wei, Gang wrote on 2011-01-26:
> Just found sometime while doing domain_destroy the current->domain is
> IDLE domain, so the if ( !IS_PRIV_FOR(current->domain, d) ) hit and
> skip the pirq forcible unbinding. How could it happen?

Look like it is caused by call_rcu(&d->rcu, complete_domain_destroy) in the end 
of domain_destroy fn. We may need to move the check for 
IS_PRIV_FOR(current->domain, d) out and check it earlier in the call path if 
necessary.

Jimmy



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[Xen-devel] RE: Xen 4.1 rc1 test report