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    SubjectRe: [PATCH v5 14/28] x86/fpu/xstate: Prevent unauthorised use of dynamic user state
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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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