lkml.org 
[lkml]   [2020]   [Apr]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH 2/7] x86/cpufeatures: Enumerate ENQCMD and ENQCMDS instructions
Date
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

\
 
 \ /
  Last update: 2020-04-26 13:07    [W:0.141 / U:0.248 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site