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SubjectRe: Compat 32-bit syscall entry from 64-bit task!?
On Sat, January 21, 2012 00:55, 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 use
> The issue is whether showing fictitious high bits of %cs as set will break
> existing applications (debuggers, etc.) that look at it and think that it's
> nothing but the hardware state zero-extended, as it is today.

Argh, sorry, I meant eflags.

I even checked how many bits are free in eflags and still wrote 'cs'.



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