* Replace cpu_pda(i) references with percpu(pda, i). Based on linux-2.6.tip/master Signed-off-by: Christoph Lameter Signed-off-by: Mike Travis --- arch/x86/kernel/cpu/common_64.c | 2 +- arch/x86/kernel/irq_64.c | 36 ++++++++++++++++++++---------------- arch/x86/kernel/nmi.c | 2 +- arch/x86/kernel/setup_percpu.c | 2 +- arch/x86/kernel/smpboot.c | 2 +- arch/x86/kernel/traps_64.c | 11 +++++++---- 6 files changed, 31 insertions(+), 24 deletions(-) --- linux-2.6.tip.orig/arch/x86/kernel/cpu/common_64.c +++ linux-2.6.tip/arch/x86/kernel/cpu/common_64.c @@ -477,7 +477,7 @@ __setup("noexec32=", nonx32_setup); void pda_init(int cpu) { - struct x8664_pda *pda = cpu_pda(cpu); + struct x8664_pda *pda = &per_cpu(pda, cpu); /* Setup up data that may be needed in __get_free_pages early */ asm volatile("movl %0,%%fs ; movl %0,%%gs" :: "r" (0)); --- linux-2.6.tip.orig/arch/x86/kernel/irq_64.c +++ linux-2.6.tip/arch/x86/kernel/irq_64.c @@ -115,39 +115,43 @@ skip: } else if (i == NR_IRQS) { seq_printf(p, "NMI: "); for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_pda(j)->__nmi_count); + seq_printf(p, "%10u ", per_cpu(pda.__nmi_count, j)); seq_printf(p, " Non-maskable interrupts\n"); seq_printf(p, "LOC: "); for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_pda(j)->apic_timer_irqs); + seq_printf(p, "%10u ", per_cpu(pda.apic_timer_irqs, j)); seq_printf(p, " Local timer interrupts\n"); #ifdef CONFIG_SMP seq_printf(p, "RES: "); for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_pda(j)->irq_resched_count); + seq_printf(p, "%10u ", + per_cpu(pda.irq_resched_count, j)); seq_printf(p, " Rescheduling interrupts\n"); seq_printf(p, "CAL: "); for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_pda(j)->irq_call_count); + seq_printf(p, "%10u ", per_cpu(pda.irq_call_count, j)); seq_printf(p, " function call interrupts\n"); seq_printf(p, "TLB: "); for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_pda(j)->irq_tlb_count); + seq_printf(p, "%10u ", per_cpu(pda.irq_tlb_count, j)); seq_printf(p, " TLB shootdowns\n"); #endif #ifdef CONFIG_X86_MCE seq_printf(p, "TRM: "); for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_pda(j)->irq_thermal_count); + seq_printf(p, "%10u ", + per_cpu(pda.irq_thermal_count, j)); seq_printf(p, " Thermal event interrupts\n"); seq_printf(p, "THR: "); for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_pda(j)->irq_threshold_count); + seq_printf(p, "%10u ", + per_cpu(pda.irq_threshold_count, j)); seq_printf(p, " Threshold APIC interrupts\n"); #endif seq_printf(p, "SPU: "); for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_pda(j)->irq_spurious_count); + seq_printf(p, "%10u ", + per_cpu(pda.irq_spurious_count, j)); seq_printf(p, " Spurious interrupts\n"); seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count)); } @@ -159,19 +163,19 @@ skip: */ u64 arch_irq_stat_cpu(unsigned int cpu) { - u64 sum = cpu_pda(cpu)->__nmi_count; + u64 sum = per_cpu(pda.__nmi_count, cpu); - sum += cpu_pda(cpu)->apic_timer_irqs; + sum += per_cpu(pda.apic_timer_irqs, cpu); #ifdef CONFIG_SMP - sum += cpu_pda(cpu)->irq_resched_count; - sum += cpu_pda(cpu)->irq_call_count; - sum += cpu_pda(cpu)->irq_tlb_count; + sum += per_cpu(pda.irq_resched_count, cpu); + sum += per_cpu(pda.irq_call_count, cpu); + sum += per_cpu(pda.irq_tlb_count, cpu); #endif #ifdef CONFIG_X86_MCE - sum += cpu_pda(cpu)->irq_thermal_count; - sum += cpu_pda(cpu)->irq_threshold_count; + sum += per_cpu(pda.irq_thermal_count, cpu); + sum += per_cpu(pda.irq_threshold_count, cpu); #endif - sum += cpu_pda(cpu)->irq_spurious_count; + sum += per_cpu(pda.irq_spurious_count, cpu); return sum; } --- linux-2.6.tip.orig/arch/x86/kernel/nmi.c +++ linux-2.6.tip/arch/x86/kernel/nmi.c @@ -61,7 +61,7 @@ static int endflag __initdata; static inline unsigned int get_nmi_count(int cpu) { #ifdef CONFIG_X86_64 - return cpu_pda(cpu)->__nmi_count; + return per_cpu(pda.__nmi_count, cpu); #else return nmi_count(cpu); #endif --- linux-2.6.tip.orig/arch/x86/kernel/setup_percpu.c +++ linux-2.6.tip/arch/x86/kernel/setup_percpu.c @@ -279,7 +279,7 @@ void __cpuinit numa_set_node(int cpu, in per_cpu(x86_cpu_to_node_map, cpu) = node; if (node != NUMA_NO_NODE) - cpu_pda(cpu)->nodenumber = node; + per_cpu(pda.nodenumber, cpu) = node; } void __cpuinit numa_clear_node(int cpu) --- linux-2.6.tip.orig/arch/x86/kernel/smpboot.c +++ linux-2.6.tip/arch/x86/kernel/smpboot.c @@ -814,7 +814,7 @@ do_rest: /* Stack for startup_32 can be just as for start_secondary onwards */ irq_ctx_init(cpu); #else - cpu_pda(cpu)->pcurrent = c_idle.idle; + per_cpu(pda.pcurrent, cpu) = c_idle.idle; clear_tsk_thread_flag(c_idle.idle, TIF_FORK); initial_pda = (unsigned long)get_cpu_pda(cpu); #endif --- linux-2.6.tip.orig/arch/x86/kernel/traps_64.c +++ linux-2.6.tip/arch/x86/kernel/traps_64.c @@ -265,7 +265,8 @@ void dump_trace(struct task_struct *tsk, const struct stacktrace_ops *ops, void *data) { const unsigned cpu = get_cpu(); - unsigned long *irqstack_end = (unsigned long*)cpu_pda(cpu)->irqstackptr; + unsigned long *irqstack_end = + (unsigned long *)per_cpu(pda.irqstackptr, cpu); unsigned used = 0; struct thread_info *tinfo; @@ -399,8 +400,10 @@ _show_stack(struct task_struct *tsk, str unsigned long *stack; int i; const int cpu = smp_processor_id(); - unsigned long *irqstack_end = (unsigned long *) (cpu_pda(cpu)->irqstackptr); - unsigned long *irqstack = (unsigned long *) (cpu_pda(cpu)->irqstackptr - IRQSTACKSIZE); + unsigned long *irqstack_end = + (unsigned long *)per_cpu(pda.irqstackptr, cpu); + unsigned long *irqstack = + (unsigned long *)(irqstack_end - IRQSTACKSIZE); // debugging aid: "show_stack(NULL, NULL);" prints the // back trace for this cpu. @@ -464,7 +467,7 @@ void show_registers(struct pt_regs *regs int i; unsigned long sp; const int cpu = smp_processor_id(); - struct task_struct *cur = cpu_pda(cpu)->pcurrent; + struct task_struct *cur = __get_cpu_var(pda.pcurrent); u8 *ip; unsigned int code_prologue = code_bytes * 43 / 64; unsigned int code_len = code_bytes; -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/