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The hppa architectures provides an own output for the emulated /proc/cpuinfo file. Some userspace applications count (even if that's not the recommended way) the number of lines which start with "processor:" and assume that this number then reflects the number of online CPUs. Since those 3 architectures don't provide any such line, applications may assume "0" CPUs. One such issue can be seen in debian bug report: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1024653 Avoid such issues by adding a "processor:" line for each of the online CPUs. Signed-off-by: Helge Deller <deller@gmx.de> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <Y9QvyRSq1I1k5/JW@p100> Signed-off-by: Laurent Vivier <laurent@vivier.eu>