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Received: from DM6PR12MB2667.namprd12.prod.outlook.com (2603:10b6:5:42::28) by PH7PR12MB5620.namprd12.prod.outlook.com (2603:10b6:510:137::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9298.16; Wed, 12 Nov 2025 20:22:22 +0000 Received: from DM6PR12MB2667.namprd12.prod.outlook.com ([fe80::bd88:b883:813d:54a2]) by DM6PR12MB2667.namprd12.prod.outlook.com ([fe80::bd88:b883:813d:54a2%6]) with mapi id 15.20.9275.015; Wed, 12 Nov 2025 20:22:22 +0000 Message-ID: Date: Wed, 12 Nov 2025 12:22:19 -0800 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 03/33] ACPI / PPTT: Add acpi_pptt_cache_v1_full to use pptt cache as one structure To: Ben Horgan , james.morse@arm.com Cc: amitsinght@marvell.com, baisheng.gao@unisoc.com, baolin.wang@linux.alibaba.com, bobo.shaobowang@huawei.com, carl@os.amperecomputing.com, catalin.marinas@arm.com, dakr@kernel.org, dave.martin@arm.com, david@redhat.com, dfustini@baylibre.com, gregkh@linuxfoundation.org, gshan@redhat.com, guohanjun@huawei.com, jeremy.linton@arm.com, jonathan.cameron@huawei.com, kobak@nvidia.com, lcherian@marvell.com, lenb@kernel.org, linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, lpieralisi@kernel.org, peternewman@google.com, quic_jiles@quicinc.com, rafael@kernel.org, robh@kernel.org, rohit.mathew@arm.com, scott@os.amperecomputing.com, sdonthineni@nvidia.com, sudeep.holla@arm.com, tan.shaopeng@fujitsu.com, will@kernel.org, xhao@linux.alibaba.com References: <20251107123450.664001-1-ben.horgan@arm.com> <20251107123450.664001-4-ben.horgan@arm.com> Content-Language: en-US From: Fenghua Yu In-Reply-To: <20251107123450.664001-4-ben.horgan@arm.com> Content-Type: text/plain; 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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 11/7/25 04:34, Ben Horgan wrote: > In actbl2.h, struct acpi_pptt_cache describes the fields in the original > cache type structure. In PPTT table version 3 a new field was added at the > end, cache_id. This is described in struct acpi_pptt_cache_v1. Introduce > the new, acpi_pptt_cache_v1_full to contain both these structures. Update > the existing code to use this new struct. This simplifies the code, removes > a non-standard use of ACPI_ADD_PTR and allows using the length in the > header to check if the cache_id is valid. > > Signed-off-by: Ben Horgan Reviewed-by: Fenghua Yu Thanks. -Fenghua