Re: [Xen-devel] [PATCH] hvmloader: avoid tests when they would clobber used memory

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 16/05/17 11:16, Jan Beulich wrote:
> First of all limit the memory range used for testing to 4Mb: There's no
> point placing page tables right above 8Mb when they can equally well
> live at the bottom of the chunk at 4Mb - rep_io_test() cares about the
> 5Mb...7Mb range only anyway. In a subsequent patch this will then also
> allow simply looking for an unused 4Mb range (instead of using a build
> time determined one).
>
> Extend the "skip tests" condition beyond the "is there enough memory"
> question.
>
> Reported-by: Charles Arnold <carnold@xxxxxxxx>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
> Tested-by: Gary Lin <glin@xxxxxxxx>

Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

As already identified, I'm not convinced that these tests should stay,
but for older releases, they shouldn't exhibit this failure mode.

~Andrew

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