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From:   Catalin Marinas <catalin.marinas@arm.com>
To:     lpieralisi@kernel.org, guohanjun@huawei.com, sudeep.holla@arm.com,
        rafael@kernel.org, Guanghui Feng <guanghuifeng@linux.alibaba.com>
Cc:     Will Deacon <will@kernel.org>, linux-acpi@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        baolin.wang@linux.alibaba.com,
        alikernel-developer@linux.alibaba.com
Subject: Re: [PATCH v3] ACPI/IORT: Remove erroneous id_count check in iort_node_get_rmr_info()
Date:   Fri, 28 Jul 2023 14:55:13 +0100
Message-Id: <169055250812.1025105.13485697321170348706.b4-ty@arm.com>
In-Reply-To: <1689593625-45213-1-git-send-email-guanghuifeng@linux.alibaba.com>
References: <1689593625-45213-1-git-send-email-guanghuifeng@linux.alibaba.com>
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On Mon, 17 Jul 2023 19:33:45 +0800, Guanghui Feng wrote:
> According to the ARM IORT specifications DEN 0049 issue E,
> the "Number of IDs" field in the ID mapping format reports
> the number of IDs in the mapping range minus one.
> 
> In iort_node_get_rmr_info(), we erroneously skip ID mappings
> whose "Number of IDs" equal to 0, resulting in valid mapping
> nodes with a single ID to map being skipped, which is wrong.
> 
> [...]

Applied to arm64 (for-next/fixes), thanks!

[1/1] ACPI/IORT: Remove erroneous id_count check in iort_node_get_rmr_info()
      https://git.kernel.org/arm64/c/003e6b56d780

-- 
Catalin