From: Olof Johansson <olof@lixom.net>
To: atish.patra@wdc.com
Cc: Mark Rutland <mark.rutland@arm.com>,
zong@andestech.com, Damien.LeMoal@wdc.com,
olof johansson <olof.johansson@gmail.com>,
Andrew Waterman <andrew@sifive.com>,
alankao@andestech.com, philipp@hug.cx,
Palmer Dabbelt <palmer@sifive.com>,
"Richard W.M. Jones" <rjones@redhat.com>,
Christoph Hellwig <hch@infradead.org>,
vincentc@andestech.com, mjc@sifive.com,
Arnd Bergmann <arnd@arndb.de>,
paul.walmsley@sifive.com, Anup Patel <anup@brainfault.org>,
linux-riscv@lists.infradead.org, abner.chang@hpe.com,
David.Abdurachmanov@cern.ch
Subject: Re: SBI extension proposal
Date: Thu, 1 Nov 2018 20:17:09 -0700 [thread overview]
Message-ID: <CAOesGMiRW=CHy7i3xWgEk2Oq8BGxRwd2Mvt8DWt96XNqBFB1HA@mail.gmail.com> (raw)
Message-ID: <20181102031709.VCdLS4ipHqrdiWj8f4rAnl6fiIO0TdTstx1_E6fLoS0@z> (raw)
In-Reply-To: <7c20c4d5-1726-d940-58ef-6541f0a117d2@wdc.com>
On Thu, Nov 1, 2018 at 8:10 AM Atish Patra <atish.patra@wdc.com> wrote:
>
> On 11/1/18 4:25 AM, Richard W.M. Jones wrote:
> > On Thu, Nov 01, 2018 at 12:03:49PM +0100, Philipp Hug wrote:
> >> Am Do., 1. Nov. 2018 um 10:46 Uhr schrieb Richard W.M. Jones
> >> <rjones@redhat.com>:
> >>>
> >>> I agree. Please try not to make things that depend on DT, as it's a
> >>> Linux-only description which isn't suitable for other OSes and has a
> >>> poorly defined ABI.
> >>>
> >> You don't have to depend on DT. If you implement ACPI you'd put this
> >> information in ACPI as well as you do with other information about the
> >> platform.
> >> What's the advantage of putting static information into an SBI call
> >> instead of putting it in DT, ACPI, ...?
> >
> > You only have to put it in one place.
> >
> > Rich.
> >
> I agree with Richard. It is better to manage it in SBI implementation.
> This version will not change in every kernel release or so. I think
> having global SBI version in SBI spec is fine.
>
> However, we may need to put <function,version> for vendor specific APIs
> in DT/ACPI as pointed by olof earlier. That will help to avoid conflicts.
>
> I will update the proposal such that it is clear that we are not making
> DT mandatory, ACPI is an option as well. SBI spec should independent of
> OS specific spec.
Please keep the ACPI mess out of it for now, there is no reason to go there.
-Olof
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next prev parent reply other threads:[~2018-11-02 3:17 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-31 18:23 SBI extension proposal Atish Patra
2018-10-31 18:23 ` Atish Patra
[not found] ` <CAK-hmcQeiGa3BwnzEVB_dyhFiC7rXHFN-wTsJomg-jAo7a+v3Q@mail.gmail.com>
2018-10-31 19:11 ` Olof Johansson
2018-10-31 19:11 ` Olof Johansson
2018-10-31 20:37 ` Atish Patra
2018-10-31 20:37 ` Atish Patra
2018-11-02 6:31 ` Chang, Abner (HPS SW/FW Technologist)
2018-11-02 6:31 ` Chang, Abner (HPS SW/FW Technologist)
2018-11-02 22:31 ` Atish Patra
2018-11-02 22:31 ` Atish Patra
2018-11-04 14:36 ` Chang, Abner (HPS SW/FW Technologist)
2018-11-04 14:36 ` Chang, Abner (HPS SW/FW Technologist)
[not found] ` <CA+h06zgcyWz7WMbzQxjyc9V5S3CokqSoO1mGOaynJE3uJE5QSg@mail.gmail.com>
2018-11-01 9:35 ` Anup Patel
2018-11-01 9:35 ` Anup Patel
2018-11-01 9:46 ` Richard W.M. Jones
2018-11-01 9:46 ` Richard W.M. Jones
2018-11-01 11:03 ` Philipp Hug
2018-11-01 11:03 ` Philipp Hug
2018-11-01 11:25 ` Richard W.M. Jones
2018-11-01 11:25 ` Richard W.M. Jones
2018-11-01 15:09 ` Atish Patra
2018-11-01 15:09 ` Atish Patra
2018-11-02 3:17 ` Olof Johansson [this message]
2018-11-02 3:17 ` Olof Johansson
2018-11-01 16:42 ` Karsten Merker
2018-11-02 2:49 ` Palmer Dabbelt
2018-11-02 2:49 ` Palmer Dabbelt
2018-11-02 3:27 ` Anup Patel
2018-11-02 3:27 ` Anup Patel
2018-11-02 4:29 ` Chang, Abner (HPS SW/FW Technologist)
2018-11-02 4:29 ` Chang, Abner (HPS SW/FW Technologist)
2018-11-02 15:24 ` Nick Kossifidis
2018-11-02 15:24 ` Nick Kossifidis
2018-11-02 23:12 ` Atish Patra
2018-11-02 23:12 ` Atish Patra
2018-11-02 23:45 ` Nick Kossifidis
2018-11-02 23:45 ` Nick Kossifidis
2018-11-03 0:00 ` Atish Patra
2018-11-03 0:00 ` Atish Patra
2018-11-05 13:50 ` Nick Kossifidis
2018-11-05 13:50 ` Nick Kossifidis
2018-11-05 18:51 ` Atish Patra
2018-11-05 18:51 ` Atish Patra
2018-11-06 1:55 ` Zong Li
2018-11-06 1:55 ` Zong Li
2018-11-09 21:47 ` Atish Patra
2018-11-09 21:47 ` Atish Patra
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