RE: [RFC PATCH v3 15/32] x86/fred: make unions for the cs and ss fields in struct pt_regs

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> > +	union {
> > +		unsigned long  csl; /* CS + any fields above it */
> 
> I guess that CSL here is supposed to mean cs long, but CSL (Current Stack Level) is a
> new term in the FRED spec which isn't this.

Good catch!

> 
> This causes changes such as the final hunk in patch 27 to read incorrectly, despite
> being technically correct.
> 
> cs_slot would be much clearer in code, but tbh, even cs_l would be better than the
> version without an underscore.

cs_slot sounds a good term unless someone comes up with a better one.

> 
> And obviously, whatever is done here should be mirrored for ss.

Probably ss_slot then.
  Xin




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