Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
MIME-Version: 1.0
References: <20180815100053.13609-1-yannik@sembritzki.me> <CA+55aFx2goMXj7rQg-qx-puiiWYJmkDMU1xniWEu6ikDBNgfdQ@mail.gmail.com>
 <654fbafb-69da-cd9a-b176-7b03401e71c5@sembritzki.me> <CA+55aFz4J+B7jvxVAGkjdsDJQff46WU2oo00_HaktncFigmxmA@mail.gmail.com>
 <d152000f-28ad-d7c1-d656-a4bd46bba450@sembritzki.me>
In-Reply-To: <d152000f-28ad-d7c1-d656-a4bd46bba450@sembritzki.me>
From:   Linus Torvalds <torvalds@linux-foundation.org>
Date:   Wed, 15 Aug 2018 11:22:12 -0700
Message-ID: <CA+55aFxXzfW+85Xf5OmNCsp2YRQqN3zJT5NhobauK=yn44_xiQ@mail.gmail.com>
Subject: Re: [PATCH] Fix kexec forbidding kernels signed with custom platform
 keys to boot
To:     yannik@sembritzki.me
Cc:     David Howells <dhowells@redhat.com>,
        Vivek Goyal <vgoyal@redhat.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>, Peter Anvin <hpa@zytor.com>,
        "the arch/x86 maintainers" <x86@kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Content-Type: text/plain; charset="UTF-8"
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Wed, Aug 15, 2018 at 11:19 AM Yannik Sembritzki <yannik@sembritzki.me> wrote:
>
> > No, I meant that it would have to go into the proper header files, and
> > also be used by verify_pkcs7_signature() and pkcs7_preparse() etc, so
> > that you could actually grep for this, and understand what it does.
> Thanks, Linus, I'll take care of this right away.
>
> This is my first patch and I'm not familiar with the kernel; can you
> give me a quick hint which header file(s) would be the right place for
> this #define?

I think

    include/linux/verification.h

is the right point, it's where verify_pkcs7_signature() is declared
too (and "struct key" is forward-declared), so it would seem to make
most sense there.

             Linus