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SubjectRe: Compat 32-bit syscall entry from 64-bit task!?
Linus claims it does break.

Roland McGrath <> wrote:

>On Fri, Jan 20, 2012 at 3:49 PM, Indan Zupancic <> wrote:
>> It's a lot easier for existing code to add an extra cs check than to
>The issue is whether showing fictitious high bits of %cs as set will
>existing applications (debuggers, etc.) that look at it and think that
>nothing but the hardware state zero-extended, as it is today.

Sent from my Android phone with K-9 Mail. Please excuse my brevity.

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