Re: [Xen-devel] [PATCH v2] x86: re-enable NX if disabled

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 09/12/15 14:51, Jan Beulich wrote:
> I noticed Linux 4.4 doing this universally now, and I think it's a good
> idea to override such anti-security BIOS settings (we certainly have no
> compatibility problem due to NX being enabled).
>
> Secondary changes:
> - no need to check supported extended CPUID level for leaves 80000000
>   and 80000001 (required on x86-64)
> - no need to update c->cpuid_level in early_init_intel() (done anyway
>   in generic_identify())
> - alignment of trampoline data items
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

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



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