[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] [PATCH v5 07/12] x86/hyperv: setup hypercall page



On 30.01.2020 12:47, Wei Liu wrote:
> On Thu, Jan 30, 2020 at 12:39:47PM +0100, Roger Pau Monné wrote:
>> I think what you need is a hook that modifies the memory map and adds
>> a reserved region at ((1 << paddr_bits) - PAGE_SIZE) of size
>> PAGE_SIZE. See where pv_shim_fixup_e820 is used, and I think you want
>> to make this a hypervisor hook and add the HyperV code to reserve the
>> hypercall page in the e820 there.
> 
> That works for me too. Let's see what other people think.

The idea lgtm, pending seeing it actually carried out.

Jan

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxxx
https://lists.xenproject.org/mailman/listinfo/xen-devel

 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.