Re: [patch] vm86: Clear AC on INT

[Alan Cox]

On Thu, 2002-08-01 at 16:55, Kasper Dupont wrote:
> This would be similar to the use of the use of the VIF flag to
> emulate the IF flag. This flag has actually got me wondering:
> AFAIR the flag is mentioned in Intel specs, but it looks like
> in Linux the flag is implemented 100% in software with no help
> from the CPU. Is that correct, or did I miss something?

The kernel itself doesn't use the alignment flags but some applications
do. For example some language systems use alignment traps for
typechecking by adding a type code (0-3) to the address and
dereferencing it