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

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Message-ID: <SA1PR11MB6734131B9260C07CF1DCFECFA8AD9@SA1PR11MB6734.namprd11.prod.outlook.com>
Date:   Wed, 1 Mar 2023 03:17:45 +0000
From:   "Li, Xin3" <xin3.li@...el.com>
To:     "H. Peter Anvin" <hpa@...or.com>,
        "andrew.cooper3@...rix.com" <andrew.cooper3@...rix.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "x86@...nel.org" <x86@...nel.org>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>
CC:     "tglx@...utronix.de" <tglx@...utronix.de>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "bp@...en8.de" <bp@...en8.de>,
        "dave.hansen@...ux.intel.com" <dave.hansen@...ux.intel.com>,
        "peterz@...radead.org" <peterz@...radead.org>,
        "Christopherson,, Sean" <seanjc@...gle.com>,
        "pbonzini@...hat.com" <pbonzini@...hat.com>,
        "Shankar, Ravi V" <ravi.v.shankar@...el.com>
Subject: RE: [RFC PATCH v3 15/32] x86/fred: make unions for the cs and ss
 fields in struct pt_regs

> >> 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
> >
> 
> I called it csx, for "cs extended". "csq" would work, too.

csx and ssx then.