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    SubjectRe: [PATCH 2/7] x86/cpufeatures: Enumerate ENQCMD and ENQCMDS instructions
    On Sun, Apr 26, 2020 at 01:06:33PM +0200, Thomas Gleixner wrote:
    > Fenghua Yu <fenghua.yu@intel.com> writes:
    > > A user space application can execute ENQCMD instruction to submit work
    > > to device. The kernel executes ENQCMDS instruction to submit work to
    > > device.
    >
    > So a user space application _can_ execute ENQCMD and the kernel
    > executes ENQCMDS. And both submit work to device.
    >
    > > There is a lot of other enabling needed for the instructions to actually
    > > be usable in user space and the kernel, and that enabling is coming later
    > > in the series and in device drivers.
    >
    > That's important information to the enumeration of the instructions in
    > which way?

    I just want to notify people this enumeration is only part of enabling
    ENQCMD. But seems this paragraph is not so useful to be here. Maybe I can
    remove it.

    Thanks.

    -Fenghua

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