Re: Ingo's PIII FXSTOR patch [2 Mar] causes problems

Gabriel Paubert (paubert@iram.es)
Fri, 16 Apr 1999 14:48:58 +0200 (METDST)


On Fri, 16 Apr 1999, Ingo Molnar wrote:

>
> i think i've found the bug. (the bug was that __put_user is self-detecting
> operand sizes, and the twd in the 'hard' structure is a char, while in the
> user-structure it's a long, so we silently lost significant bits.) I also
> fixed two other bugs and improved performance of the conversion routines.
> Does the attached patch (against 2.2.5) run your numeric application fine
> now? [There is also a new #define in process.c that switches on the
> 'hardware-based' conversion variants, just in case there are still
> problems.]

There is still the typo of a right shift by 3 which should be by 2 in the
387 to KNI tag word conversion.

Gabriel.

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