Messages in this thread | | | From | Andy Lutomirski <> | Date | Mon, 17 Oct 2016 18:23:03 -0700 | Subject | Re: [PATCH RFC 1/3] fpu/x86: add make_fpregs_active(_newstate) helper functions |
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On Mon, Oct 17, 2016 at 4:45 PM, Yu-cheng Yu <yu-cheng.yu@intel.com> wrote: > On Mon, Oct 17, 2016 at 04:30:47PM -0700, Andy Lutomirski wrote: >> Rik wants to add a different form of FPU laziness, and it would be >> simpler if we could just always copy from a kernel buffer. Does code >> to do that exist in the tree? > > If we know fpregs are not active at the time of the copy and compacted format > is the concern, can we use copyout_from_xsaves() in xstate.c? >
Right, that. Rik, that could be an alternative solution.
--Andy
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