diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched/core.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 8c5778053a20..1294c3cacab0 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -6037,6 +6037,7 @@ static int sd_degenerate(struct sched_domain *sd) SD_BALANCE_FORK | SD_BALANCE_EXEC | SD_SHARE_CPUCAPACITY | + SD_ASYM_CPUCAPACITY | SD_SHARE_PKG_RESOURCES | SD_SHARE_POWERDOMAIN | SD_SHARE_CAP_STATES)) { @@ -6068,6 +6069,7 @@ sd_parent_degenerate(struct sched_domain *sd, struct sched_domain *parent) SD_BALANCE_NEWIDLE | SD_BALANCE_FORK | SD_BALANCE_EXEC | + SD_ASYM_CPUCAPACITY | SD_SHARE_CPUCAPACITY | SD_SHARE_PKG_RESOURCES | SD_PREFER_SIBLING | @@ -6749,11 +6751,19 @@ static int sched_domains_curr_level; /* * SD_flags allowed in topology descriptions. * - * SD_SHARE_CPUCAPACITY - describes SMT topologies - * SD_SHARE_PKG_RESOURCES - describes shared caches - * SD_NUMA - describes NUMA topologies - * SD_SHARE_POWERDOMAIN - describes shared power domain - * SD_SHARE_CAP_STATES - describes shared capacity states + * These flags are purely descriptive of the topology and do not prescribe + * behaviour. Behaviour is artificial and mapped in the below sd_init() + * function: + * + * SD_SHARE_CPUCAPACITY - describes SMT topologies + * SD_SHARE_PKG_RESOURCES - describes shared caches + * SD_NUMA - describes NUMA topologies + * SD_SHARE_POWERDOMAIN - describes shared power domain + * SD_ASYM_CPUCAPACITY - describes mixed capacity topologies + * SD_SHARE_CAP_STATES - describes shared capacity states + * + * Odd one out, which beside describing the topology has a quirk also + * prescribes the desired behaviour that goes along with it: * * Odd one out: * SD_ASYM_PACKING - describes SMT quirks @@ -6763,6 +6773,7 @@ static int sched_domains_curr_level; SD_SHARE_PKG_RESOURCES | \ SD_NUMA | \ SD_ASYM_PACKING | \ + SD_ASYM_CPUCAPACITY | \ SD_SHARE_POWERDOMAIN | \ SD_SHARE_CAP_STATES) |