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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-DetectorID-Processed: b00c1d49-9d2e-4205-b15f-d015386d3d5e On 5/14/2026 9:37 AM, Ian Rogers wrote: > On Thu, May 14, 2026 at 8:56 AM Namhyung Kim wrote: >> >> Hello, >> >> On Wed, May 13, 2026 at 12:23:46PM -0700, Florian Fainelli wrote: >>> Toolchains with older kernel headers that do not include upstream commit >>> c75b1d9421f80f4143e389d2d50ddfc8a28c8c35 ("fs: add fcntl() interface for >>> setting/getting write life time hints") will now fail to build perf due >>> to missing definitions for >>> F_GET_RW_HINT/F_SET_RW_HINT/F_GET_FILE_RW_HINT/F_SET_FILE_RW_HINT. >> >> Can you share the error messages? The compile errors look like this: trace/beauty/fcntl.c: In function 'syscall_arg__scnprintf_fcntl_arg': trace/beauty/fcntl.c:96:13: error: 'F_GET_RW_HINT' undeclared (first use in this function); did you mean 'F_GETOWN'? cmd == F_GET_RW_HINT || cmd == F_SET_RW_HINT || ^~~~~~~~~~~~~ F_GETOWN trace/beauty/fcntl.c:96:13: note: each undeclared identifier is reported only once for each function it appears in trace/beauty/fcntl.c:96:37: error: 'F_SET_RW_HINT' undeclared (first use in this function); did you mean 'F_SETOWN'? cmd == F_GET_RW_HINT || cmd == F_SET_RW_HINT || ^~~~~~~~~~~~~ F_SETOWN trace/beauty/fcntl.c:97:13: error: 'F_GET_FILE_RW_HINT' undeclared (first use in this function); did you mean 'F_GETOWNER_UIDS'? cmd == F_GET_FILE_RW_HINT || cmd == F_SET_FILE_RW_HINT) ^~~~~~~~~~~~~~~~~~ F_GETOWNER_UIDS trace/beauty/fcntl.c:97:42: error: 'F_SET_FILE_RW_HINT' undeclared (first use in this function) cmd == F_GET_FILE_RW_HINT || cmd == F_SET_FILE_RW_HINT) ^~~~~~~~~~~~~~~~~~ >> >> I think this code should use a copy of the header in >> trace/beauty/include/uapi/linux/fcntl.h which has the definitions. > > I don't think the beauty headers are in the include path. I suppose if it were however that would provide the missing definition, maybe that's a better path forward to front load the inclusion of trace/beauty/include/uapi/linux/fcntl.h? -- Florian