linux-kernel - Re: [PATCH v3 1/8] iommu/arm-smmu: Refactor context bank allocation

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

Message-ID: <010101747c3eca88-35878e4c-07b1-4fee-94fc-77af55456507-000000@us-west-2.amazonses.com>
Date:   Fri, 11 Sep 2020 08:18:44 +0000
From:   Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     Will Deacon <will@...nel.org>, Robin Murphy <robin.murphy@....com>,
        Joerg Roedel <joro@...tes.org>,
        Jordan Crouse <jcrouse@...eaurora.org>,
        Rob Clark <robdclark@...omium.org>,
        Sibi Sankar <sibis@...eaurora.org>,
        linux-arm-kernel@...ts.infradead.org,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v3 1/8] iommu/arm-smmu: Refactor context bank allocation

On 2020-09-04 21:25, Bjorn Andersson wrote:
> Extract the conditional invocation of the platform defined
> alloc_context_bank() to a separate function to keep
> arm_smmu_init_domain_context() cleaner.
> 
> Instead pass a reference to the arm_smmu_device as parameter to the
> call. Also remove the count parameter, as this can be read from the
> newly passed object.
> 
> This allows us to not assign smmu_domain->smmu before attempting to
> allocate the context bank and as such we don't need to roll back this
> assignment on failure.
> 
> Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> ---

Reviewed-by: Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
Tested-by: Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>

-- 
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a 
member
of Code Aurora Forum, hosted by The Linux Foundation