Without the explicit wide type, the shift operation may be performed
on a int which will result in implementation defined behaviour on a
system with more than 32 CPUs.
Signed-off-by: Thomas Graf <tg...@noironetworks.com>
---
lib/ovs-thread.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/ovs-thread.c b/lib/ovs-thread.c
index fe6fb43..efbd60f 100644
--- a/lib/ovs-thread.c
+++ b/lib/ovs-thread.c
@@ -520,11 +520,11 @@ parse_cpuinfo(long int *n_cores)
break;
}
- if (cpu & (1 << id)) {
+ if (cpu & (1ULL << id)) {
/* We've already counted this package's cores. */
continue;
}
- cpu |= 1 << id;
+ cpu |= 1ULL << id;
/* Find the number of cores for this package. */
while (fgets(line, sizeof line, stream)) {
--
1.9.3
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