linux-kernel - Re: [PATCH 2/5] cacheinfo: Return error code in init_of_cache

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Date:   Tue, 8 Nov 2022 16:05:58 +0000
From:   Sudeep Holla <sudeep.holla@....com>
To:     Pierre Gondois <pierre.gondois@....com>
Cc:     linux-kernel@...r.kernel.org,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Len Brown <lenb@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Gavin Shan <gshan@...hat.com>,
        Krzysztof Wilczyński <kw@...ux.com>,
        SeongJae Park <sj@...nel.org>,
        Jakub Kicinski <kuba@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        linux-riscv@...ts.infradead.org, linux-acpi@...r.kernel.org
Subject: Re: [PATCH 2/5] cacheinfo: Return error code in init_of_cache_level()

On Tue, Nov 08, 2022 at 12:04:18PM +0100, Pierre Gondois wrote:
> Make init_of_cache_level() return an error code when the cache
> information parsing fails to help detecting missing information.
> 
> init_of_cache_level() is only called for riscv. Returning an error
> code instead of 0 will prevent detect_cache_attributes() to allocate
> memory if an incomplete DT is parsed.
>

Reviewed-by: Sudeep Holla <sudeep.holla@....com>

-- 
Regards,
Sudeep