Re: [Xen-devel] [PATCH v2 for-4.5] xen: Bump Xen interface for Xen-4.5

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Tue, 2014-11-04 at 11:50 +0000, Andrew Cooper wrote:
> c/s fce5281c "x86/mem_access: Deprecate the HVM mem_access ops" removes the
> structures associated with xen_hvm_{get,set}_mem_access from the Xen public
> API.
> 
> While these were toolstack hypercalls and documented as liable to change in
> the future, it causes build issues for certain tools (valgrind, strace).

Valgrind has its own copy of the headers and needs to process old
hypercalls as well as new anyway, it will also DTRT with the ENOSYS
which results from a tool using an old interface on a new hypervisor.

Ian.


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