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Re: [Xen-devel] [PATCH RFC] tools/kdd: avoid adversarial optimisation hazard

To: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
From: Wei Liu <wei.liu2@xxxxxxxxxx>
Date: Fri, 27 Jul 2018 15:09:47 +0100
Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>, Wei Liu <wei.liu2@xxxxxxxxxx>, Marek Marczykowski <marmarek@xxxxxxxxxxxxxxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Tim Deegan <tim@xxxxxxx>
Delivery-date: Fri, 27 Jul 2018 14:10:10 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

One interesting observation is that if I revert 2de2b10b225 which turns
the type of offset from uint32_t back to uint64_t, kdd.c will build with
32 bit, but then of course 64 bit build is broken. :-/

Wei.

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References:
- [Xen-devel] [PATCH RFC] tools/kdd: avoid adversarial optimisation hazard
  - From: Wei Liu

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