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Re: [Xen-devel] Re: [Xen-changelog] Indirect hypercalls through ahypercall transfer page.

Ian Pratt wrote:

> The vsyscall
> page lives within the fixaddr region, and its virtual address needs to
> be known at *compile* time as it gets built into various elf objects.

That's not necessarily the case.

The FC x86 kernel has random vdso address support.  I don't know why
this isn't also enabled for x86-64 but there is no real reason for that.
   These are, after all, DSOs which need little fixup for a new location.

â Ulrich Drepper â Red Hat, Inc. â 444 Castro St â Mountain View, CA â

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