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SubjectRe: [PATCH] xen: fix allocation and use of large ldts

* Jeremy Fitzhardinge <jeremy@goop.org> wrote:

> When the ldt gets to more than 1 page in size, the kernel uses vmalloc
> to allocate it. This means that:
> - when making the ldt RO, we must update the pages in both the vmalloc
> mapping and the linear mapping to make sure there are no RW aliases.
> - we need to use arbitrary_virt_to_machine to compute the machine addr
> for each update

applied to tip/x86/xen, thanks Jeremy.

Ingo


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