diff options
Diffstat (limited to 'arch/ppc64/kernel/ItLpQueue.c')
| -rw-r--r-- | arch/ppc64/kernel/ItLpQueue.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/arch/ppc64/kernel/ItLpQueue.c b/arch/ppc64/kernel/ItLpQueue.c index d3779346780..61be23ed500 100644 --- a/arch/ppc64/kernel/ItLpQueue.c +++ b/arch/ppc64/kernel/ItLpQueue.c @@ -69,7 +69,7 @@ struct HvLpEvent * ItLpQueue_getNextLpEvent( struct ItLpQueue * lpQueue ) return nextLpEvent; } -unsigned long spread_lpevents = NR_CPUS; +static unsigned long spread_lpevents = NR_CPUS; int ItLpQueue_isLpIntPending( struct ItLpQueue * lpQueue ) { @@ -166,3 +166,23 @@ unsigned ItLpQueue_process( struct ItLpQueue * lpQueue, struct pt_regs *regs ) return numIntsProcessed; } + +static int set_spread_lpevents(char *str) +{ + unsigned long val = simple_strtoul(str, NULL, 0); + + /* + * The parameter is the number of processors to share in processing + * lp events. + */ + if (( val > 0) && (val <= NR_CPUS)) { + spread_lpevents = val; + printk("lpevent processing spread over %ld processors\n", val); + } else { + printk("invalid spread_lpevents %ld\n", val); + } + + return 1; +} +__setup("spread_lpevents=", set_spread_lpevents); + |