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a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768926675; bh=b+DEzrhzQLEZaXZekFtcaQ+EoJRPMgcm+b7GQK00jzs=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=Lllm8gJKsKXKIIbGa/8Mhv3Frwq887BG2Yh/JTKwz3Cs30xtnoRwE075kz3xMtERX 8VbtdWkRd8wwxP5YPBII0c5+/TxFnfnoWO5J0VWK2z1LEJcN+/JVeQpb3DHWY6LEET OzS+5sAmZKniDDSXOJKC5RHqITIbB9bFf6b9yt5/FRwBrGabs4g0INX0mMVFG/gkfr FFDWmgC9EXOvhj3znC5tjScmOclMBI2vArmTbFQ+2FX3nYuWFV+z6PgZoSZJYvHrPZ Uw6nq+uPcpUyOkMuiF0eD8lwHjnxJqFJMQXhWOb0cZYZrk0xbG37uYBtMWZMFQR01U heAP9PWzXct7w== From: Pratyush Yadav To: Mike Rapoport Cc: Andrew Morton , Alexander Graf , Jason Miu , Jonathan Corbet , Pasha Tatashin , Pratyush Yadav , kexec@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH 6/6] kho/abi: add memblock ABI header In-Reply-To: <20260105165839.285270-7-rppt@kernel.org> (Mike Rapoport's message of "Mon, 5 Jan 2026 18:58:39 +0200") References: <20260105165839.285270-1-rppt@kernel.org> <20260105165839.285270-7-rppt@kernel.org> Date: Tue, 20 Jan 2026 16:31:12 +0000 Message-ID: <2vxzqzrkckkv.fsf@kernel.org> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain X-Rspamd-Queue-Id: D939B4000E X-Rspamd-Server: rspam06 X-Stat-Signature: dg9p93xg5moudhiwqa6o4yyeocig3mwt X-Rspam-User: X-HE-Tag: 1768926676-541549 X-HE-Meta: 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 Vwd/gylH 6toumrwMUGTOVZczykpyNuVCPIPKg8xgz80v4uffcufs9wsRGlQjqJ7YG/2t4vv6zVnB/nKLNtFQx5cLPc+BbJIt0cMT5yLwZq2ucFjWUWtaGtzr2QBlPy4h+Q+fHFCw8HFHVwJjR0HcnLhgNQzjm19LFk7RqtMy17ZDvkOU+oIBbbf6/L0gC60JvTiJdJy5jdQG6+XlmV+3vYudBG4VNnsqHPQf51ikX4QDMR4X4Bus+Hxc= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Jan 05 2026, Mike Rapoport wrote: > From: "Mike Rapoport (Microsoft)" > > Introduce KHO ABI header describing preservation ABI for memblock's > reserve_mem regions and link the relevant documentation to KHO docs. > > Signed-off-by: Mike Rapoport (Microsoft) > --- [...] > + * / { > + * compatible = "memblock-v1"; > + * > + * n1 { > + * compatible = "reserve-mem-v1"; > + * start = <0xc06b 0x4000000>; > + * size = <0x04 0x00>; > + * }; > + * }; > + * > + * Main memblock node (/): > + * > + * - compatible: "memblock-v1" > + > + * Identifies the overall memblock ABI version. > + * > + * reserved_mem node: > + * These nodes describe all reserve_mem regions. > + * > + * - compatible: "reserve-mem-v1" > + * > + * Identifies the ABI version of reserve_mem descriptions > + * > + * - start: u64 > + * > + * Physical address of the reserved memory region. > + * > + * - size: u64 > + * > + * size in bytes of the reserved memory region. I think you should also mention that the name of the node is the name of the map. Other than this, Reviewed-by: Pratyush Yadav > + */ > + > +/* Top level memblock FDT node name. */ > +#define MEMBLOCK_KHO_FDT "memblock" > + > +/* The compatible string for the memblock FDT root node. */ > +#define MEMBLOCK_KHO_NODE_COMPATIBLE "memblock-v1" > + > +/* The compatible string for the reserve_mem FDT nodes. */ > +#define RESERVE_MEM_KHO_NODE_COMPATIBLE "reserve-mem-v1" > + > +#endif /* _LINUX_KHO_ABI_MEMBLOCK_H */ [...] -- Regards, Pratyush Yadav