linux-kernel - Re: [PATCH 0/3] KEXEC_SIG with appended signature

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Message-ID: <290c0097271c68f5a9fd1e8f6fdb542631981b33.camel@linux.ibm.com>
Date:   Wed, 24 Nov 2021 08:10:10 -0500
From:   Mimi Zohar <zohar@...ux.ibm.com>
To:     Philipp Rudo <prudo@...hat.com>
Cc:     Michal Suchánek <msuchanek@...e.de>,
        Nayna <nayna@...ux.vnet.ibm.com>, keyrings@...r.kernel.org,
        Rob Herring <robh@...nel.org>, linux-s390@...r.kernel.org,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Lakshmi Ramasubramanian <nramas@...ux.microsoft.com>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Jessica Yu <jeyu@...nel.org>, linux-kernel@...r.kernel.org,
        David Howells <dhowells@...hat.com>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        Luis Chamberlain <mcgrof@...nel.org>,
        Paul Mackerras <paulus@...ba.org>,
        Hari Bathini <hbathini@...ux.ibm.com>,
        Alexander Gordeev <agordeev@...ux.ibm.com>,
        linuxppc-dev@...ts.ozlabs.org,
        Frank van der Linden <fllinden@...zon.com>,
        Thiago Jung Bauermann <bauerman@...ux.ibm.com>,
        Daniel Axtens <dja@...ens.net>, buendgen@...ibm.com
Subject: Re: [PATCH 0/3] KEXEC_SIG with appended signature

On Wed, 2021-11-24 at 12:09 +0100, Philipp Rudo wrote:
> Now Michal wants to adapt KEXEC_SIG for ppc too so distros can rely on all
> architectures using the same mechanism and thus reduce maintenance cost.
> On the way there he even makes some absolutely reasonable improvements
> for everybody.
> 
> Why is that so controversial? What is the real problem that should be
> discussed here?

Nothing is controversial with what Michal wants to do.  I've already
said, "As for adding KEXEC_SIG appended signature support on PowerPC
based on the s390 code, it sounds reasonable."

thanks,

Mimi