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Re: [Xen-devel] do_grant_table_op()'s input array size limitation
| To: | Jan Beulich <JBeulich@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] do_grant_table_op()'s input array size limitation |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Thu, 02 Jul 2009 08:37:12 +0100 |
| Cc: | |
| Delivery-date: | Thu, 02 Jul 2009 00:37:40 -0700 |
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| Thread-index: | Acn65hxl5z40wzP5TCilESgC8OhfowAAc0uM |
| Thread-topic: | [Xen-devel] do_grant_table_op()'s input array size limitation |
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On 02/07/2009 08:23, "Jan Beulich" <JBeulich@xxxxxxxxxx> wrote: > Am I right in understanding that the restriction on 512 entries to be passed > in is solely to cap the time that's being spent in the hypervisor without > being > able to service softirq requests as well as while the domain lock is being > held? > If that's the case, eliminating that restriction could be fairly strait > forward by > putting the majority of the function body in a loop or, perhaps even better, > calling hypercall_preempt_check() every so many entries and using the > continuation mechanism. Yes, true. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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