Messages in this thread | | | From | Thomas Gleixner <> | Subject | Re: [PATCH 2/7] x86/cpufeatures: Enumerate ENQCMD and ENQCMDS instructions | Date | Sun, 26 Apr 2020 13:06:33 +0200 |
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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?
Thanks,
tglx
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