Re: [GIT PULL] x86 fixes

[H. Peter Anvin]

That is not true.  It *does* work, and I have tested it fairly recently.

On August 17, 2015 9:47:01 AM PDT, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
>On Mon, Aug 17, 2015 at 1:01 AM, Ingo Molnar <mingo@xxxxxxxxxx> wrote:
>>
>> Any objections against removing all of math-emu in v4.3? This would
>simplify the
>> FPU code in various places beyond math-emu/.
>
>Hmm. I guess we could just try. The fact that you argue that the FP
>emulation likely hasn't worked for a few years is a pretty powerful
>argument that nobody has cared. And if somebody does, and ends up
>having a use case and willing to test, we can always re-animate the
>zombie that is math emu support.
>
>Considering that we don't support the old i386 any more, the only chip
>I know of that needs it is the i486sx. However, there are probably
>several clone chips that did the "we're a 486" thing by adding the few
>integer instructions but not doing a FPU. And there might well be
>various embedded versions of the 486 that might even be in use still.
>But afaik most distributions have required Pentium of P6-level
>capabilities for some time, and I guess any existing old systems
>aren't going to upgrade their kernels anyway.
>
>                      Linus

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