Re: [Xen-devel] [PATCH] x86/setup: Avoid OoB E820 lookup when calculating the L1TF safe address

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 16.08.18 at 17:27, <andrew.cooper3@xxxxxxxxxx> 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.cooper3@xxxxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>




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