* [PATCH] arch/tile: make glibc's sysconf(_SC_NPROCESSORS_CONF) work correctly
@ 2010-11-24 18:42 Chris Metcalf
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From: Chris Metcalf @ 2010-11-24 18:42 UTC (permalink / raw)
To: linux-kernel
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 <cmetcalf@tilera.com>
---
arch/tile/kernel/setup.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/tile/kernel/setup.c b/arch/tile/kernel/setup.c
index fb0b3cb..f185736 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;
--
1.6.5.2
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2010-11-24 18:42 [PATCH] arch/tile: make glibc's sysconf(_SC_NPROCESSORS_CONF) work correctly Chris Metcalf
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