Re: [Xen-devel] [PATCH] Fix invalidate if memory requested was not bucket aligned

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Frediano Ziglio writes ("[Xen-devel] [PATCH] Fix invalidate if memory requested 
was not bucket aligned"):
> When memory is mapped in qemu_map_cache with lock != 0 a reverse mapping
> is created pointing to the virtual address of location requested.
> The cached mapped entry is saved in last_address_vaddr with the memory
> location of the base virtual address (without bucket offset).
> However when this entry is invalidated the virtual address saved in the
> reverse mapping is used. This cause that the mapping is freed but the
> last_address_vaddr is not reset.
> 
> Signed-off-by: Frediano Ziglio <frediano.ziglio@xxxxxxxxxx>

Thanks for this!

Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
Committed-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>

I think that this is a good candidate for a backport, after it has
been given a workout in -unstable.

Ian.

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