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Date:   Mon, 19 Apr 2021 15:26:36 +0000
From:   David Laight <David.Laight@...LAB.COM>
To:     'Andy Lutomirski' <luto@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>
CC:     Kees Cook <keescook@...omium.org>, Borislav Petkov <bp@...en8.de>,
        "Sami Tolvanen" <samitolvanen@...gle.com>, X86 ML <x86@...nel.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        "Nathan Chancellor" <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Sedat Dilek <sedat.dilek@...il.com>,
        "linux-hardening@...r.kernel.org" <linux-hardening@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>
Subject: RE: [PATCH 05/15] x86: Implement function_nocfi

From: Andy Lutomirski
> Sent: 18 April 2021 01:12
..
> Slightly more complicated:
> 
> struct opaque_symbol;
> extern struct opaque_symbol entry_SYSCALL_64;
> 
> The opaque_symbol variant avoids any possible confusion over the weird
> status of arrays in C, and it's hard to misuse, since struct
> opaque_symbol is an incomplete type.

Maybe:

s/opaque_symbol/entry_SYSCALL_64/

	David

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