Messages in this thread | | | Date | Mon, 23 Jan 2012 03:14:13 +0100 | Subject | Re: Compat 32-bit syscall entry from 64-bit task!? | From | "Indan Zupancic" <> |
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On Sat, January 21, 2012 00:55, Roland McGrath wrote: > On Fri, Jan 20, 2012 at 3:49 PM, Indan Zupancic <indan@nul.nu> 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'.
Greetings,
Indan
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