[PATCH] powerpc64: remove broken/bitrotted HMT support

[deliverable/linux.git] / arch / powerpc / kernel / prom_init.c

diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index ec7153f4d47c2b6d6d0bcef7c241bc15692e2b18..d34fe537400e657996521a7cba0025c3febc7bfa 100644 (file)
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -205,14 +205,6 @@ static cell_t __initdata regbuf[1024];
 
 #define MAX_CPU_THREADS 2
 
-/* TO GO */
-#ifdef CONFIG_HMT
-struct {
-       unsigned int pir;
-       unsigned int threadid;
-} hmt_thread_data[NR_CPUS];
-#endif /* CONFIG_HMT */
-
 /*
  * Error results ... some OF calls will return "-1" on error, some
  * will return 0, some will return either. To simplify, here are
@@ -1319,10 +1311,6 @@ static void __init prom_hold_cpus(void)
         */
        *spinloop = 0;
 
-#ifdef CONFIG_HMT
-       for (i = 0; i < NR_CPUS; i++)
-               RELOC(hmt_thread_data)[i].pir = 0xdeadbeef;
-#endif
        /* look for cpus */
        for (node = 0; prom_next_node(&node); ) {
                type[0] = 0;
@@ -1389,32 +1377,6 @@ static void __init prom_hold_cpus(void)
                /* Reserve cpu #s for secondary threads.   They start later. */
                cpuid += cpu_threads;
        }
-#ifdef CONFIG_HMT
-       /* Only enable HMT on processors that provide support. */
-       if (__is_processor(PV_PULSAR) || 
-           __is_processor(PV_ICESTAR) ||
-           __is_processor(PV_SSTAR)) {
-               prom_printf("    starting secondary threads\n");
-
-               for (i = 0; i < NR_CPUS; i += 2) {
-                       if (!cpu_online(i))
-                               continue;
-
-                       if (i == 0) {
-                               unsigned long pir = mfspr(SPRN_PIR);
-                               if (__is_processor(PV_PULSAR)) {
-                                       RELOC(hmt_thread_data)[i].pir = 
-                                               pir & 0x1f;
-                               } else {
-                                       RELOC(hmt_thread_data)[i].pir = 
-                                               pir & 0x3ff;
-                               }
-                       }
-               }
-       } else {
-               prom_printf("Processor is not HMT capable\n");
-       }
-#endif
 
        if (cpuid > NR_CPUS)
                prom_printf("WARNING: maximum CPUs (" __stringify(NR_CPUS)