On Fri, Jun 04, 2021 at 01:44:37PM +0200, Peter Zijlstra wrote:

On naming (sorry Paul for forgetting that in the initial mail); while I
think using the volatile qualifier for the language feature (can we haz
plz, kthxbai) makes perfect sense, Paul felt that we might use a
'better' name for the kernel use, ctrl_dep_if() was proposed.

In standard C statements do not have qualifiers.  Unless you can
convince the ISO C committee to have them on "if", you will have a very
hard time convincing any serious compiler to do this.


Segher