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Re: [Xen-devel] [PATCH v4 3/5] xen/arm: clean and invalidate all guest caches by VMID after domain build.

>>> On 10.02.14 at 15:02, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
> If you don't invalidate the cache then a guest which starts without
> caches enabled and writes to RAM may be surprised when it enables the
> cache and finds the data it wrote is now shadowed by some stale cache
> entries.

Oh, right, I forgot guests get started in cache disabled mode on
ARM (for whatever that's good).


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