Re: [Xen-ia64-devel] [PATCH] introduce dom0_vhpt_size_log2 boot option to change dom0 vhpt size

[Isaku Yamahata <yamahata@xxxxxxxxxxxxx>]

On Fri, Jan 18, 2008 at 02:06:53PM -0700, Alex Williamson wrote:
> On Fri, 2008-01-18 at 12:58 +0900, Isaku Yamahata wrote:
> > introduce dom0_vhpt_size_log2 boot option to change dom0 vhpt size
>    Seems like this needs a default value and maybe some sanity checking
> for valid values.  Thanks,

pervcpu_vhpt_alloc() takes care of those issues like domU case.
The default value of dom0_vhpt_size_log2 is 0. In this case
pervcpu_vhpt_alloc() sets the vhpt size to VHPT_SIZE_LOG2.
When the value is specified, pervcpu_vhpt_alloc() calls
canonicalize_vhpt_size() which does sanity checking.

-- 
yamahata

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