Re: Refactoring mempaging code from xenpaging to libxc and few updates

[Dushyant Behl <myselfdushyantbehl@gmail.com>]

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Hi Everyone,

I am extremely sorry that I didn't notice these patches had most of the
code which did exactly what xc_mem_event_enable (added by XSA-99) did.
I request you to kindly ignore this patch series, I have prepared a new
patch series which takes some necessary bits and pieces from this patch
series and adds them to xc_mem_event_enable.
I'll be sending the new patch series, Please have a look at those.

I am really sorry for the inconvenience.

Thanks and Regards,
Dushyant Behl


On Fri, Aug 8, 2014 at 2:10 AM, Dushyant Behl <myselfdushyantbehl@gmail.com>
wrote:

> The following patches refactor memepaging code from xenpaging to libxc -
>
> [PATCH v3 1/3] tools/libxc: refactored mempaging code from xenpaging
> This patch adds two routines xc_mem_paging_ring_setup and
> xc_mem_paging_ring_teardown to libxc at the path
> tools/libxc/xc_mem_paging_setup.c, which is a new file.
>
> [PATCH v3 2/3] tools/libxc/xc_mem_paging_setup.c: replacing deprecated
> functions
> Replaces calls to deprecated function xc_map_foreign_batch with calls to
> xc_map_foreign_bulk.
>
> [PATCH v3 3/3] tools/libxc/xc_mem_paging_setup.c: FIX- Race condition
> Fix for a known race condition bug in mempaging ring setup code, this race
> condition is actually simmilar to that concerned by XSA-99. This patch
> tries to
> take care of all the points mentioned in XSA-99, along with clearing the
> ringpage
> to remove any bogus input.
>
> Signed-off-by: Dushyant Behl <myselfdushyantbehl@gmail.com>
>

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