powerpc/cpumask: Convert pseries SMP code to new cpumask API
authorAnton Blanchard <anton@samba.org>
Mon, 26 Apr 2010 15:32:37 +0000 (15:32 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Thu, 6 May 2010 07:41:50 +0000 (17:41 +1000)
Use new cpumask functions in pseries SMP startup code.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/platforms/pseries/smp.c

index 8979982..3b1bf61 100644 (file)
@@ -55,7 +55,7 @@
  * The Primary thread of each non-boot processor was started from the OF client
  * interface by prom_hold_cpus and is spinning on secondary_hold_spinloop.
  */
-static cpumask_t of_spin_map;
+static cpumask_var_t of_spin_mask;
 
 /* Query where a cpu is now.  Return codes #defined in plpar_wrappers.h */
 int smp_query_cpu_stopped(unsigned int pcpu)
@@ -98,7 +98,7 @@ static inline int __devinit smp_startup_cpu(unsigned int lcpu)
        unsigned int pcpu;
        int start_cpu;
 
-       if (cpu_isset(lcpu, of_spin_map))
+       if (cpumask_test_cpu(lcpu, of_spin_mask))
                /* Already started by OF and sitting in spin loop */
                return 1;
 
@@ -106,7 +106,7 @@ static inline int __devinit smp_startup_cpu(unsigned int lcpu)
 
        /* Check to see if the CPU out of FW already for kexec */
        if (smp_query_cpu_stopped(pcpu) == QCSS_NOT_STOPPED){
-               cpu_set(lcpu, of_spin_map);
+               cpumask_set_cpu(lcpu, of_spin_mask);
                return 1;
        }
 
@@ -143,7 +143,7 @@ static void __devinit smp_xics_setup_cpu(int cpu)
        if (firmware_has_feature(FW_FEATURE_SPLPAR))
                vpa_init(cpu);
 
-       cpu_clear(cpu, of_spin_map);
+       cpumask_clear_cpu(cpu, of_spin_mask);
        set_cpu_current_state(cpu, CPU_STATE_ONLINE);
        set_default_offline_state(cpu);
 
@@ -214,17 +214,19 @@ static void __init smp_init_pseries(void)
 
        pr_debug(" -> smp_init_pSeries()\n");
 
+       alloc_bootmem_cpumask_var(&of_spin_mask);
+
        /* Mark threads which are still spinning in hold loops. */
        if (cpu_has_feature(CPU_FTR_SMT)) {
                for_each_present_cpu(i) { 
                        if (cpu_thread_in_core(i) == 0)
-                               cpu_set(i, of_spin_map);
+                               cpumask_set_cpu(i, of_spin_mask);
                }
        } else {
-               of_spin_map = cpu_present_map;
+               cpumask_copy(of_spin_mask, cpu_present_mask);
        }
 
-       cpu_clear(boot_cpuid, of_spin_map);
+       cpumask_clear_cpu(boot_cpuid, of_spin_mask);
 
        /* Non-lpar has additional take/give timebase */
        if (rtas_token("freeze-time-base") != RTAS_UNKNOWN_SERVICE) {