linux-kernel - Re: [PATCH 4/4] x86: fix function types in COND

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Message-ID: <CABCJKudjb7FzsM1iXukOqgcXuC31YkH1inBmFME5msbZ=jh4+Q@mail.gmail.com>
Date:   Fri, 13 Sep 2019 16:28:43 -0700
From:   Sami Tolvanen <samitolvanen@...gle.com>
To:     Andy Lutomirski <luto@...nel.org>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H . Peter Anvin" <hpa@...or.com>,
        Kees Cook <keescook@...omium.org>, X86 ML <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 4/4] x86: fix function types in COND_SYSCALL

On Fri, Sep 13, 2019 at 3:46 PM Andy Lutomirski <luto@...nel.org> wrote:
> Didn't you just fix the type of sys_ni_syscall?  What am I missing here?

The other patch fixes indirect call type mismatches when the function
is called through the syscall table. However, cond_syscall creates an
alias to the actual sys_ni_syscall function defined in
kernel/sys_ni.c, which still has the wrong type.

Sami