Messages in this thread | | | Subject | Re: [patch] vm86: Clear AC on INT | From | Alan Cox <> | Date | 01 Aug 2002 18:28:20 +0100 |
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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
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