Messages in this thread |  | | From | "Bae, Chang Seok" <> | Subject | Re: [PATCH v5 14/28] x86/fpu/xstate: Prevent unauthorised use of dynamic user state | Date | Wed, 16 Jun 2021 19:37:49 +0000 |
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On Jun 16, 2021, at 12:28, Hansen, Dave <dave.hansen@intel.com> wrote: > That's odd. How is it possible that the performance of XGETBV(1) > informed the design of that patch without there being any mention of > XGETBV in the comments or changelog?
Yes, I admit that it is wrong that the text there highlights the benefit without fairly mentioning the cost. I will make sure v6 covers them all.
Thanks, Chang
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