Messages in this thread | | | Date | Wed, 14 Jan 2015 18:56:08 +0100 | From | Oleg Nesterov <> | Subject | Re: [RFC PATCH 04/11] x86,fpu: defer FPU restore until return to userspace |
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On 01/13, Rik van Riel wrote: > > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > 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...
Sorry, copy-and-paste error, http://marc.info/?l=linux-kernel&m=140966286609295
> > 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.
Perhaps I should resend this series... I'll recheck, it should not conflict with your changes (at least too much).
Oleg.
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