diff --git a/arch/powerpc/include/asm/lppaca.h b/arch/powerpc/include/asm/lppaca.h index 14b592dfb4e8..6b73554433a0 100644 --- a/arch/powerpc/include/asm/lppaca.h +++ b/arch/powerpc/include/asm/lppaca.h @@ -153,6 +153,8 @@ struct lppaca { extern struct lppaca lppaca[]; +#define lppaca_of(cpu) (lppaca[cpu]) + /* * SLB shadow buffer structure as defined in the PAPR. The save_area * contains adjacent ESID and VSID pairs for each shadowed SLB. The diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c index 50362b6ef6e9..8d9e3b9cda64 100644 --- a/arch/powerpc/kernel/lparcfg.c +++ b/arch/powerpc/kernel/lparcfg.c @@ -56,7 +56,7 @@ static unsigned long get_purr(void) for_each_possible_cpu(cpu) { if (firmware_has_feature(FW_FEATURE_ISERIES)) - sum_purr += lppaca[cpu].emulated_time_base; + sum_purr += lppaca_of(cpu).emulated_time_base; else { struct cpu_usage *cu; @@ -263,7 +263,7 @@ static void parse_ppp_data(struct seq_file *m) ppp_data.active_system_procs); /* pool related entries are apropriate for shared configs */ - if (lppaca[0].shared_proc) { + if (lppaca_of(0).shared_proc) { unsigned long pool_idle_time, pool_procs; seq_printf(m, "pool=%d\n", ppp_data.pool_num); @@ -460,8 +460,8 @@ static void pseries_cmo_data(struct seq_file *m) return; for_each_possible_cpu(cpu) { - cmo_faults += lppaca[cpu].cmo_faults; - cmo_fault_time += lppaca[cpu].cmo_fault_time; + cmo_faults += lppaca_of(cpu).cmo_faults; + cmo_fault_time += lppaca_of(cpu).cmo_fault_time; } seq_printf(m, "cmo_faults=%lu\n", cmo_faults); @@ -479,8 +479,8 @@ static void splpar_dispatch_data(struct seq_file *m) unsigned long dispatch_dispersions = 0; for_each_possible_cpu(cpu) { - dispatches += lppaca[cpu].yield_count; - dispatch_dispersions += lppaca[cpu].dispersion_count; + dispatches += lppaca_of(cpu).yield_count; + dispatch_dispersions += lppaca_of(cpu).dispersion_count; } seq_printf(m, "dispatches=%lu\n", dispatches); @@ -545,7 +545,7 @@ static int pseries_lparcfg_data(struct seq_file *m, void *v) seq_printf(m, "partition_potential_processors=%d\n", partition_potential_processors); - seq_printf(m, "shared_processor_mode=%d\n", lppaca[0].shared_proc); + seq_printf(m, "shared_processor_mode=%d\n", lppaca_of(0).shared_proc); seq_printf(m, "slb_size=%d\n", mmu_slb_size); diff --git a/arch/powerpc/lib/locks.c b/arch/powerpc/lib/locks.c index 58e14fba11b1..9b8182e82166 100644 --- a/arch/powerpc/lib/locks.c +++ b/arch/powerpc/lib/locks.c @@ -34,7 +34,7 @@ void __spin_yield(arch_spinlock_t *lock) return; holder_cpu = lock_value & 0xffff; BUG_ON(holder_cpu >= NR_CPUS); - yield_count = lppaca[holder_cpu].yield_count; + yield_count = lppaca_of(holder_cpu).yield_count; if ((yield_count & 1) == 0) return; /* virtual cpu is currently running */ rmb(); @@ -65,7 +65,7 @@ void __rw_yield(arch_rwlock_t *rw) return; /* no write lock at present */ holder_cpu = lock_value & 0xffff; BUG_ON(holder_cpu >= NR_CPUS); - yield_count = lppaca[holder_cpu].yield_count; + yield_count = lppaca_of(holder_cpu).yield_count; if ((yield_count & 1) == 0) return; /* virtual cpu is currently running */ rmb(); diff --git a/arch/powerpc/platforms/iseries/dt.c b/arch/powerpc/platforms/iseries/dt.c index 7f45a51fe793..fdb7384c0c4f 100644 --- a/arch/powerpc/platforms/iseries/dt.c +++ b/arch/powerpc/platforms/iseries/dt.c @@ -243,7 +243,7 @@ static void __init dt_cpus(struct iseries_flat_dt *dt) pft_size[1] = __ilog2(HvCallHpt_getHptPages() * HW_PAGE_SIZE); for (i = 0; i < NR_CPUS; i++) { - if (lppaca[i].dyn_proc_status >= 2) + if (lppaca_of(i).dyn_proc_status >= 2) continue; snprintf(p, 32 - (p - buf), "@%d", i); @@ -251,7 +251,7 @@ static void __init dt_cpus(struct iseries_flat_dt *dt) dt_prop_str(dt, "device_type", device_type_cpu); - index = lppaca[i].dyn_hv_phys_proc_index; + index = lppaca_of(i).dyn_hv_phys_proc_index; d = &xIoHriProcessorVpd[index]; dt_prop_u32(dt, "i-cache-size", d->xInstCacheSize * 1024); diff --git a/arch/powerpc/platforms/iseries/smp.c b/arch/powerpc/platforms/iseries/smp.c index 6590850045af..6c6029914dbc 100644 --- a/arch/powerpc/platforms/iseries/smp.c +++ b/arch/powerpc/platforms/iseries/smp.c @@ -91,7 +91,7 @@ static void smp_iSeries_kick_cpu(int nr) BUG_ON((nr < 0) || (nr >= NR_CPUS)); /* Verify that our partition has a processor nr */ - if (lppaca[nr].dyn_proc_status >= 2) + if (lppaca_of(nr).dyn_proc_status >= 2) return; /* The processor is currently spinning, waiting diff --git a/arch/powerpc/platforms/pseries/dtl.c b/arch/powerpc/platforms/pseries/dtl.c index a00addb55945..adfd5441b612 100644 --- a/arch/powerpc/platforms/pseries/dtl.c +++ b/arch/powerpc/platforms/pseries/dtl.c @@ -107,14 +107,14 @@ static int dtl_enable(struct dtl *dtl) } /* set our initial buffer indices */ - dtl->last_idx = lppaca[dtl->cpu].dtl_idx = 0; + dtl->last_idx = lppaca_of(dtl->cpu).dtl_idx = 0; /* ensure that our updates to the lppaca fields have occurred before * we actually enable the logging */ smp_wmb(); /* enable event logging */ - lppaca[dtl->cpu].dtl_enable_mask = dtl_event_mask; + lppaca_of(dtl->cpu).dtl_enable_mask = dtl_event_mask; return 0; } @@ -123,7 +123,7 @@ static void dtl_disable(struct dtl *dtl) { int hwcpu = get_hard_smp_processor_id(dtl->cpu); - lppaca[dtl->cpu].dtl_enable_mask = 0x0; + lppaca_of(dtl->cpu).dtl_enable_mask = 0x0; unregister_dtl(hwcpu, __pa(dtl->buf)); @@ -171,7 +171,7 @@ static ssize_t dtl_file_read(struct file *filp, char __user *buf, size_t len, /* actual number of entries read */ n_read = 0; - cur_idx = lppaca[dtl->cpu].dtl_idx; + cur_idx = lppaca_of(dtl->cpu).dtl_idx; last_idx = dtl->last_idx; if (cur_idx - last_idx > dtl->buf_entries) { diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index cf79b46d8f88..a17fe4a9059f 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -250,9 +250,9 @@ void vpa_init(int cpu) long ret; if (cpu_has_feature(CPU_FTR_ALTIVEC)) - lppaca[cpu].vmxregs_in_use = 1; + lppaca_of(cpu).vmxregs_in_use = 1; - addr = __pa(&lppaca[cpu]); + addr = __pa(&lppaca_of(cpu)); ret = register_vpa(hwcpu, addr); if (ret) {