linux-kernel - Re: [PATCH v3] remoteproc: qcom_q6v5: Assign mpss region to Q6 before MBA boot

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]

Date:   Thu, 17 Sep 2020 13:24:02 -0700
From:   Stephen Boyd <swboyd@...omium.org>
To:     Sibi Sankar <sibis@...eaurora.org>, bjorn.andersson@...aro.org
Cc:     agross@...nel.org, linux-arm-msm@...r.kernel.org,
        linux-remoteproc@...r.kernel.org, linux-kernel@...r.kernel.org,
        ohad@...ery.com, evgreen@...omium.org,
        Sibi Sankar <sibis@...eaurora.org>
Subject: Re: [PATCH v3] remoteproc: qcom_q6v5: Assign mpss region to Q6 before MBA boot

Quoting Sibi Sankar (2020-09-17 10:58:40)
> On secure devices which support warm reset, the MBA firmware requires
> access to the modem region to clear them out. Hence provide Q6 access
> to this region before MBA boot. This will be a nop during a modem SSR.
> 
> Signed-off-by: Sibi Sankar <sibis@...eaurora.org>
> ---

Reviewed-by: Stephen Boyd <swboyd@...omium.org>