Re: [RFC PATCH 04/11] x86,fpu: defer FPU restore until return to userspace

Rik van Riel
2015-01-13T20:06:23Z

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On 01/13/2015 01:30 PM, Oleg Nesterov wrote:
> On 01/13, Oleg Nesterov wrote:
>>
>> But yes, I think we need the per-cpu "in_kernel_fpu" and
>> irq_fpu_usable() must die. Please look at
>> http://marc.info/?l=linux-kernel&m=14096628660929

This link does not work for me. I wonder if that email is not
on the marc.info node I managed to send my http request to...

> Plus I think we need this to fix the race with
> math_state_restore()... Please see
> http://marc.info/?l=linux-kernel&m=140992479607206
>
> Unfortunately I forgot other problems I found in this area... And I
> completely forgot the plan I had in mind ;)

That I can certainly merge into my series.

- --
All rights reversed
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