Re: Compat 32-bit syscall entry from 64-bit task!?

[Linus Torvalds]

On Wed, Jan 18, 2012 at 12:55 PM, H. Peter Anvin <hpa@xxxxxxxxx> wrote:
>
> If we're going to use bits in an existing register field I would be
> happier if we used bits [31:16] of CS, which are unlikely to ever be
> used for anything.

See my note about that: I would have preferred CS or ORIG_AX myself,
but that breaks existing binaries. So that isn't really an option.

                Linus
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