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b8910630c9
In some configurations e.g. systems with CXL, a numa node can have 0 cpus and cpumask_nth() will return a cpu value that doesn't exist, which will result in an attempt to add an entry to the wq table at a bad index. To fix this, when iterating the cpus for a node, skip any node that doesn't have cpus. Also, as a precaution, add a warning and bail if cpumask_nth() returns a nonexistent cpu. Reported-by: Zhang, Rex <rex.zhang@intel.com> Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> |
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