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Commit54f9aa1092("tools/perf/powerpc/util: Add support to handle compatible mode PVR for perf json events") introduced to select proper JSON events in case of compat mode using auxiliary vector. But this caused a compilation error in ppc64 Big Endian. arch/powerpc/util/header.c: In function 'is_compat_mode': arch/powerpc/util/header.c:20:21: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast] 20 | if (!strcmp((char *)platform, (char *)base_platform)) | ^ arch/powerpc/util/header.c:20:39: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast] 20 | if (!strcmp((char *)platform, (char *)base_platform)) | Commit saved the getauxval(AT_BASE_PLATFORM) and getauxval(AT_PLATFORM) return values in u64 which causes the compilation error. Patch fixes this issue by changing u64 to "unsigned long". Fixes:54f9aa1092("tools/perf/powerpc/util: Add support to handle compatible mode PVR for perf json events") Signed-off-by: Likhitha Korrapati <likhitha@linux.ibm.com> Reviewed-by: Athira Rajeev <atrajeev@linux.ibm.com> Link: https://lore.kernel.org/r/20250321100726.699956-1-likhitha@linux.ibm.com Signed-off-by: Namhyung Kim <namhyung@kernel.org>