linux-kernel - Re: [PATCH v4 0/7] firmware: smccc: Add basic SMCCC v1.2 + ARCH_SOC

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 for Android: free password hash cracker in your pocket

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

Message-ID: <CAK8P3a0bx2eOFSqM7ihNkJBWU_KKSh0vGJZZdvpkH=1nppingw@mail.gmail.com>
Date:   Wed, 20 May 2020 23:54:16 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Will Deacon <will@...nel.org>
Cc:     Sudeep Holla <sudeep.holla@....com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Mark Rutland <mark.rutland@....com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Steven Price <steven.price@....com>, harb@...erecomputing.com,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 0/7] firmware: smccc: Add basic SMCCC v1.2 +
 ARCH_SOC_ID support

On Wed, May 20, 2020 at 11:29 PM Will Deacon <will@...nel.org> wrote:
>
> On Mon, 18 May 2020 10:12:15 +0100, Sudeep Holla wrote:
> > This patch series adds support for SMCCCv1.2 ARCH_SOC_ID.
> > This doesn't add other changes added in SMCCC v1.2 yet. They will
> > follow these soon along with its first user SPCI/PSA-FF.
> >
> > This is tested using upstream TF-A + the patch[3] fixing the original
> > implementation there.
> >
> > [...]
>
> Applied to arm64 (for-next/smccc), thanks!
>
> [1/7] firmware: smccc: Add HAVE_ARM_SMCCC_DISCOVERY to identify SMCCC v1.1 and above
>       https://git.kernel.org/arm64/c/e5bfb21d98b6
> [2/7] firmware: smccc: Update link to latest SMCCC specification
>       https://git.kernel.org/arm64/c/15c704ab6244
> [3/7] firmware: smccc: Add the definition for SMCCCv1.2 version/error codes
>       https://git.kernel.org/arm64/c/0441bfe7f00a
> [4/7] firmware: smccc: Drop smccc_version enum and use ARM_SMCCC_VERSION_1_x instead
>       https://git.kernel.org/arm64/c/ad5a57dfe434
> [5/7] firmware: smccc: Refactor SMCCC specific bits into separate file
>       https://git.kernel.org/arm64/c/f2ae97062a48
> [6/7] firmware: smccc: Add function to fetch SMCCC version
>       https://git.kernel.org/arm64/c/a4fb17465182
> [7/7] firmware: smccc: Add ARCH_SOC_ID support
>       https://git.kernel.org/arm64/c/ce6488f0ce09
>
> Arnd -- Sudeep's reply to you about the sysfs groups seemed reasonable to me,
> but please shout if you'd rather I dropped this in order to pursue an
> alternative approach.

I missed the reply earlier, thanks for pointing me to it again.

I'm not entirely convinced, but don't revert it for now because of that,
I assume we can find a solution.

However, please have a look at the build failure report for patch 5
and fix it if you can see what went wrong.

        Arnd