On Thu, Aug 16, 2018 at 04:27:57PM +0100, Andrew Cooper wrote:
> A number of corner cases (most obviously, no-real-mode and no Multiboot memory
> map) can end up with e820_raw.nr_map being 0, at which point the L1TF
> calculation will underflow.
> 
> Spotted by Coverity.
> 
> Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com>

Reviewed-by: Roger Pau Monné <roger....@citrix.com>

Thanks.

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