Messages in this thread |  | | Date | Tue, 17 Feb 2015 12:04:05 +0100 | From | Oleg Nesterov <> | Subject | Re: [PATCH 7/8] x86,fpu: use disable_task_lazy_fpu_restore helper |
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On 02/17, Borislav Petkov wrote: > > On Fri, Feb 06, 2015 at 03:02:04PM -0500, riel@redhat.com wrote: > > From: Rik van Riel <riel@redhat.com> > > > > Replace magic assignments of fpu.last_cpu = ~0 with more explicit > > disable_task_lazy_fpu_restore calls. > > > > This also fixes the lazy FPU restore disabling in drop_fpu, which > > only really works when !use_eager_fpu(). This is fine for now, > > because fpu_lazy_restore() is only used when !use_eager_fpu() > > currently, but we may want to expand that. > > Sorry, I can't follow here. The only non-trivial change below is in > arch_dup_task_struct(). Please clarify.
I guess Rik forgot to update the changelog ;)
Initial version of this patch played with drop_fpu() as well, this part was removed after discussion. So I guess the last sentence in the changelog should go away too.
Oleg.
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