linux-kernel - Re: [PATCH 3/5] firmware: arm_scmi: add config dependency for smc transport

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20201009155816.il56rbatvcagyosz@bogus>
Date:   Fri, 9 Oct 2020 16:58:16 +0100
From:   Sudeep Holla <sudeep.holla@....com>
To:     Etienne Carriere <etienne.carriere@...aro.org>
Cc:     linux-kernel@...r.kernel.org,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        Cristian Marussi <cristian.marussi@....com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Souvik Chakravarty <Souvik.Chakravarty@....com>
Subject: Re: [PATCH 3/5] firmware: arm_scmi: add config dependency for smc
 transport

On Fri, Oct 09, 2020 at 02:33:41PM +0200, Etienne Carriere wrote:
> On Thu, 8 Oct 2020 at 23:08, Sudeep Holla <sudeep.holla@....com> wrote:
> >
> > On Thu, Oct 08, 2020 at 04:37:20PM +0200, Etienne Carriere wrote:
> > > Fix dependencies for configuration switch ARM_SCMI_PROTOCOL that
> > > is not exclusively dependent on MAILBOX since the alternate
> > > smc transport that is depends on HAVE_ARM_SMCCC_DISCOVERY since [1].
> > >
> >
> > Do you need any build issues ? I don't see why this is needed.
> >
> 
> This change is for consistency of the kernel configuration.
> Without this change, a kernel configured without CONFIG_MAILBOX
> cannot embed SCMI support even is using only the SMC transport
> enabled thanks to HAVE_ARM_SMCCC_DISCOVERY.
> 

Fair enough, however instead of adding to the list for each added transport
we need to do better transport abstraction now that we have multiple.
I don't see this as critical, let me know if you disagree.

-- 
Regards,
Sudeep