linux-kernel - Re: [PATCH v3 0/4] Add support for SBI v0.2

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Date:   Thu, 21 Nov 2019 19:07:20 +0000
From:   Atish Patra <Atish.Patra@....com>
To:     "paul.walmsley@...ive.com" <paul.walmsley@...ive.com>
CC:     "linux-riscv@...ts.infradead.org" <linux-riscv@...ts.infradead.org>,
        "hch@....de" <hch@....de>, "han_mao@...ky.com" <han_mao@...ky.com>,
        "gary@...yguo.net" <gary@...yguo.net>,
        "rppt@...ux.ibm.com" <rppt@...ux.ibm.com>,
        "palmer@...belt.com" <palmer@...belt.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "allison@...utok.net" <allison@...utok.net>,
        "behrensj@....edu" <behrensj@....edu>,
        "anup@...infault.org" <anup@...infault.org>,
        "alexios.zavras@...el.com" <alexios.zavras@...el.com>,
        "aou@...s.berkeley.edu" <aou@...s.berkeley.edu>
Subject: Re: [PATCH v3 0/4] Add support for SBI v0.2

On Tue, 2019-11-19 at 23:51 -0800, Paul Walmsley wrote:
> Hi Atish,
> 
> On Mon, 18 Nov 2019, Atish Patra wrote:
> 
> > The Supervisor Binary Interface(SBI) specification[1] now defines a
> > base extension that provides extendability to add future extensions
> > while maintaining backward compatibility with previous versions.
> > The new version is defined as 0.2 and older version is marked as
> > 0.1.
> > 
> > This series adds support v0.2 and a unified calling convention
> > implementation between 0.1 and 0.2. It also adds minimal SBI
> > functions
> > from 0.2 as well to keep the series lean. 
> > 
> > [1] 
> > https://github.com/riscv/riscv-sbi-doc/blob/master/riscv-sbi.adoc
> > 
> > The base support for SBI v0.2 is already available in OpenSBI v0.5.
> > This series needs following additional patches in OpenSBI. 
> > 
> > http://lists.infradead.org/pipermail/opensbi/2019-November/000704.html
> > 
> > Tested on both BBL, OpenSBI with/without the above patch series. 
> 
> Just based on a quick look:
> 
> All of the patches in this series add warnings reported by 
> 'scripts/checkpatch.pl --strict'.  Could you please fix and repost?
> 

Yeah sure. I will do that.

> Also: could you rebase these patches on top of the current RISC-V
> for-next 
> branch?  There are some significant conflicts after Christoph's
> nommu 
> work.
> 

ok. I will rebase on top of for-next.

> We'll wait to send these upstream until the SBI v0.2 spec is frozen,
> but 
> in the meantime, it'll be good to get these into the experimental
> branch.
> 
> thanks,
> 
> - Paul

-- 
Regards,
Atish