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: <CAL_JsqLY2iuJHXEEx41eEVPgkwmHbngOB53sFgF1e079uLOOqQ@mail.gmail.com>
Date:   Mon, 4 May 2020 13:52:15 -0500
From:   Rob Herring <robh+dt@...nel.org>
To:     Alex Elder <elder@...aro.org>
Cc:     David Miller <davem@...emloft.net>,
        Evan Green <evgreen@...omium.org>, subashab@...eaurora.org,
        cpratapa@...eaurora.org,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Andy Gross <agross@...nel.org>, devicetree@...r.kernel.org,
        netdev <netdev@...r.kernel.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net-next v2 1/4] dt-bindings: net: add IPA iommus property

On Mon, May 4, 2020 at 12:59 PM Alex Elder <elder@...aro.org> wrote:
>
> The IPA accesses "IMEM" and main system memory through an SMMU, so
> its DT node requires an iommus property to define range of stream IDs
> it uses.
>
> Signed-off-by: Alex Elder <elder@...aro.org>
> ---
>  Documentation/devicetree/bindings/net/qcom,ipa.yaml | 10 +++++++++-
>  1 file changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/net/qcom,ipa.yaml b/Documentation/devicetree/bindings/net/qcom,ipa.yaml
> index 140f15245654..7b749fc04c32 100644
> --- a/Documentation/devicetree/bindings/net/qcom,ipa.yaml
> +++ b/Documentation/devicetree/bindings/net/qcom,ipa.yaml
> @@ -20,7 +20,10 @@ description:
>    The GSI is an integral part of the IPA, but it is logically isolated
>    and has a distinct interrupt and a separately-defined address space.
>
> -  See also soc/qcom/qcom,smp2p.txt and interconnect/interconnect.txt.
> +  See also soc/qcom/qcom,smp2p.txt and interconnect/interconnect.txt.  See
> +  iommu/iommu.txt and iommu/arm,smmu.yaml for more information about SMMU
> +  bindings.

I'd drop this. We don't need every binding to reference back to common
bindings. And in theory, this binding is unrelated to the Arm SMMU.
Any IOMMU could be used.

With that,

Reviewed-by: Rob Herring <robh@...nel.org>

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ