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Learn why this is important at https://aka.ms/LearnAboutSenderIdentification ] > > > > > > > > On Fri, Jun 05, 2026 at 04:36:18AM -0700, Laurentiu Mihalcea wrote: > > > > > From: Laurentiu Mihalcea > > > > > > > > > > The names of the carveout regions are derived using the names of the > > > > > reserved memory devicetree nodes, which are referenced using the > > > > > "memory-region" property. This adds a restriction on the names of said > > > > > devicetree nodes, often bearing specific names such as: "vdevbuffer", > > > > > "vdev0vring0", "rsc-table", etc... This goes against the devicetree > > > > > specification's recommendation, which states that the devicetree node > > > > > names should be generic. > > > > > > > > I don't see what is so restrictive in using the node name of the reserved-memory > > > > regions. Function of_reserved_mem_region_to_resource() is already doing all the > > > > parsing, packaging everything in a neat and easy to use "struct resource". What > > > > will you gain with this new "memory-region-names" that can't be done with the > > > > current solution? > > > > > > DT Binding check can't find such wrong if node name is not what expected. > > > Binding can't restrict memory's node name because there ware not specific > > > compatible string for it. > > > > > > > But what "wrong" could that be, and what kind of restriction are you > > hoping to enforce? What specific problem are you hoping to solve? > > > > I'll wait to see what the DT people think about this - I personally > > don't see the value in it. > > I see no point in this commit, but maybe because the commit msg is just > misleading. It mixes node names with names for phandles which are two > separate things. For example: rsc_table: rsc-table@90000000 { ret = <0x90000000>; no-map; } m4 { ... memory-region = <&rsc_table>; } If you change node name "rsc-table" to "memory", driver will failure because it parse node name "rsc-table", which phandle point to. but no binding to restrict node name to "rsc-table". So rsc-table became hidden ABI. if use memory-region-names, we can restrict memory-region-name to "rsc-table" earsily. Frank > > Plus this change actually makes nothing - no names are restricted to any > meaningful values! > > Best regards, > Krzysztof >