linux-kernel - Re: [RFC PATCH v2 08/21] psci: Fix the function type for psci_initcall

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Date:   Mon, 16 May 2022 08:44:44 -0700
From:   Sami Tolvanen <samitolvanen@...gle.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     linux-kernel@...r.kernel.org, Josh Poimboeuf <jpoimboe@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>, x86@...nel.org,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Joao Moreira <joao@...rdrivepizza.com>,
        Sedat Dilek <sedat.dilek@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        linux-hardening@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, llvm@...ts.linux.dev
Subject: Re: [RFC PATCH v2 08/21] psci: Fix the function type for psci_initcall_t

On Sat, May 14, 2022 at 2:50 PM Kees Cook <keescook@...omium.org> wrote:
>
> On Fri, May 13, 2022 at 01:21:46PM -0700, Sami Tolvanen wrote:
> > Functions called through a psci_initcall_t pointer all have
> > non-const arguments. Fix the type definition to avoid tripping
> > indirect call checks with CFI_CLANG.
> >
> > Reported-by: Mark Rutland <mark.rutland@....com>
> > Signed-off-by: Sami Tolvanen <samitolvanen@...gle.com>
>
> This could land separately from this series, too, yes?

Correct.

Sami