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Re: [Xen-devel] passing a cpumask to the hypervisor as an uint8_t
| To: | "Langsdorf, Mark" <mark.langsdorf@xxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] passing a cpumask to the hypervisor as an uint8_t |
| From: | Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> |
| Date: | Sat, 27 Oct 2007 08:27:22 +0100 |
| Delivery-date: | Sat, 27 Oct 2007 00:22:39 -0700 |
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| Thread-index: | AcgX7nd+mmmnujxhRQa3OYHSkbPoewAfFjJ0 |
| Thread-topic: | [Xen-devel] passing a cpumask to the hypervisor as an uint8_t |
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Actually, on x86 you don't have to do anything. Little-endian bitmaps do not have a granularity (byte-chunked bitmap is same as a longword-chunked bitmap). -- Keir On 26/10/07 17:37, "Langsdorf, Mark" <mark.langsdorf@xxxxxxx> wrote: > Keir, Kevin - > > Could you please provide the code snippet > for passing the cpumask out of the Linux > dom0 to the Xen hypervisor in the new > getidletime platform op? Linux cpumasks > are structures to an array of unsigned > long, but getidletime takes it as a > XEN_GUEST_HANDLE(uint8_t). I can't figure > out the conversation. Thanks in advanace. > > -Mark Langsdorf > Operating System Research Center > AMD > > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-devel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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