diff options
Diffstat (limited to 'arch/powerpc/platforms/pseries/lpar.c')
| -rw-r--r-- | arch/powerpc/platforms/pseries/lpar.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index d4d6de0628..4e9916bb03 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -192,9 +192,9 @@ static void free_dtl_buffers(unsigned long *time_limit) continue; kmem_cache_free(dtl_cache, pp->dispatch_log); pp->dtl_ridx = 0; - pp->dispatch_log = 0; - pp->dispatch_log_end = 0; - pp->dtl_curr = 0; + pp->dispatch_log = NULL; + pp->dispatch_log_end = NULL; + pp->dtl_curr = NULL; if (time_limit && time_after(jiffies, *time_limit)) { cond_resched(); @@ -223,7 +223,7 @@ static void destroy_cpu_associativity(void) { kfree(vcpu_associativity); kfree(pcpu_associativity); - vcpu_associativity = pcpu_associativity = 0; + vcpu_associativity = pcpu_associativity = NULL; } static __be32 *__get_cpu_associativity(int cpu, __be32 *cpu_assoc, int flag) @@ -662,8 +662,12 @@ u64 pseries_paravirt_steal_clock(int cpu) { struct lppaca *lppaca = &lppaca_of(cpu); - return be64_to_cpu(READ_ONCE(lppaca->enqueue_dispatch_tb)) + - be64_to_cpu(READ_ONCE(lppaca->ready_enqueue_tb)); + /* + * VPA steal time counters are reported at TB frequency. Hence do a + * conversion to ns before returning + */ + return tb_to_ns(be64_to_cpu(READ_ONCE(lppaca->enqueue_dispatch_tb)) + + be64_to_cpu(READ_ONCE(lppaca->ready_enqueue_tb))); } #endif |