From: Chris Metcalf Date: Wed, 24 Nov 2010 18:42:15 +0000 (-0500) Subject: arch/tile: make glibc's sysconf(_SC_NPROCESSORS_CONF) work correctly X-Git-Tag: v2.6.37-rc4~29^2~1 X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=4d658d13c90f14cf3510ca15cafe2f4aa9e23d64;p=~shefty%2Frdma-dev.git arch/tile: make glibc's sysconf(_SC_NPROCESSORS_CONF) work correctly glibc assumes that it can count /sys/devices/system/cpu/cpu* to get the number of configured cpus. For this to be valid on tile, we need to generate a "cpu" entry for all cpus, including the ones that are not currently allocated for Linux's use. Signed-off-by: Chris Metcalf --- diff --git a/arch/tile/kernel/setup.c b/arch/tile/kernel/setup.c index fb0b3cbeae1..f18573643ed 100644 --- a/arch/tile/kernel/setup.c +++ b/arch/tile/kernel/setup.c @@ -840,7 +840,7 @@ static int __init topology_init(void) for_each_online_node(i) register_one_node(i); - for_each_present_cpu(i) + for (i = 0; i < smp_height * smp_width; ++i) register_cpu(&cpu_devices[i], i); return 0;