linux-kernel - Re: [v2 PATCH] irqchip/sifive-plic: Add support for multiple PLICs

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] [day] [month] [year] [list]

Message-ID: <4211bc32ef9a2de376f96d9e4d6c05df@kernel.org>
Date:   Fri, 28 Feb 2020 19:55:52 +0000
From:   Marc Zyngier <maz@...nel.org>
To:     Atish Patra <Atish.Patra@....com>
Cc:     paul.walmsley@...ive.com, linux-riscv@...ts.infradead.org,
        palmer@...belt.com, tglx@...utronix.de,
        linux-kernel@...r.kernel.org, jason@...edaemon.net
Subject: Re: [v2 PATCH] irqchip/sifive-plic: Add support for multiple PLICs

On 2020-02-28 19:03, Atish Patra wrote:
> On Fri, 2020-02-28 at 18:53 +0000, Marc Zyngier wrote:
>> On 2020-02-21 23:22, Atish Patra wrote:
>> > Current, PLIC driver can support only 1 PLIC on the board. However,
>> > there can be multiple PLICs present on a two socket systems in
>> > RISC-V.
>> >
>> > Modify the driver so that each PLIC handler can have a information
>> > about individual PLIC registers and an irqdomain associated with
>> > it.
>> >
>> > Tested on two socket RISC-V system based on VCU118 FPGA connected
>> > via
>> > OmniXtend protocol.
>> >
>> > Signed-off-by: Atish Patra <atish.patra@....com>
>> > ---
>> > This patch is rebased on top of 5.6-rc2 and following plic fix from
>> > hotplug series.
>> >
>> > https://lkml.org/lkml/2020/2/20/1220
>> 
>> How do you want this to be merged? I haven't really followed the
>> hotplug
>> series, but given that this is a pretty simple patch, I'd rather
>> have
>> things
>> based the other way around so that it can be merged independently.
>> 
> I am fine with that or
> 
> I can remove the PLIC patch from the hotplug series and include this
> series as that patch is not really dependant on hotplug code.
> 
> https://patchwork.kernel.org/patch/11407379/
> 
> Let me know what do you prefer.

I'd rather have an independent PLIC series that I can take into 5.7
independently of the rest of the hotplug series. This will make things
simpler for everyone.

Thanks,

         M.
-- 
Jazz is not dead. It just smells funny...