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nodeinfo: work when hot-plugging is disabled

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Fixes https://bugzilla.redhat.com/show_bug.cgi?id=635857.

* src/nodeinfo.c (cpu_online): Allow missing directory for all
CPUs, not just cpu0.

Signed-off-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Eric Blake 2010-09-21 11:43:06 -06:00
parent 6eddbb0d3b
commit be026480f9
1 changed files with 3 additions and 2 deletions
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5
src/nodeinfo.c
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@ -65,7 +65,8 @@ int linuxNodeInfoCPUPopulate(FILE *cpuinfo,
/* Return the positive decimal contents of the given
* CPU_SYS_PATH/cpu%u/FILE, or -1 on error. If MISSING_OK and the
* file could not be found, return 1 instead of an error; this is
* because some machines cannot hot-unplug cpu0. */
* because some machines cannot hot-unplug cpu0, or because
* hot-unplugging is disabled. */
static int
get_cpu_value(unsigned int cpu, const char *file, bool missing_ok)
{
@ -113,7 +114,7 @@ cleanup:
static int
cpu_online(unsigned int cpu)
{
return get_cpu_value(cpu, "online", cpu == 0);
return get_cpu_value(cpu, "online", true);
}
static unsigned long count_thread_siblings(unsigned int cpu)