diff options
Diffstat (limited to 'arch/powerpc/kernel/setup-common.c')
| -rw-r--r-- | arch/powerpc/kernel/setup-common.c | 32 |
1 files changed, 18 insertions, 14 deletions
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index 499c3861074..0af3fc1bdcc 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -304,19 +304,21 @@ struct seq_operations cpuinfo_op = { void __init check_for_initrd(void) { #ifdef CONFIG_BLK_DEV_INITRD - unsigned long *prop; + const unsigned int *prop; + int len; DBG(" -> check_for_initrd()\n"); if (of_chosen) { - prop = (unsigned long *)get_property(of_chosen, - "linux,initrd-start", NULL); + prop = get_property(of_chosen, "linux,initrd-start", &len); if (prop != NULL) { - initrd_start = (unsigned long)__va(*prop); - prop = (unsigned long *)get_property(of_chosen, - "linux,initrd-end", NULL); + initrd_start = (unsigned long) + __va(of_read_ulong(prop, len / 4)); + prop = get_property(of_chosen, + "linux,initrd-end", &len); if (prop != NULL) { - initrd_end = (unsigned long)__va(*prop); + initrd_end = (unsigned long) + __va(of_read_ulong(prop, len / 4)); initrd_below_start_ok = 1; } else initrd_start = 0; @@ -366,15 +368,14 @@ void __init smp_setup_cpu_maps(void) int cpu = 0; while ((dn = of_find_node_by_type(dn, "cpu")) && cpu < NR_CPUS) { - int *intserv; + const int *intserv; int j, len = sizeof(u32), nthreads = 1; - intserv = (int *)get_property(dn, "ibm,ppc-interrupt-server#s", - &len); + intserv = get_property(dn, "ibm,ppc-interrupt-server#s", &len); if (intserv) nthreads = len / sizeof(int); else { - intserv = (int *) get_property(dn, "reg", NULL); + intserv = get_property(dn, "reg", NULL); if (!intserv) intserv = &cpu; /* assume logical == phys */ } @@ -395,13 +396,12 @@ void __init smp_setup_cpu_maps(void) if (machine_is(pseries) && firmware_has_feature(FW_FEATURE_LPAR) && (dn = of_find_node_by_path("/rtas"))) { int num_addr_cell, num_size_cell, maxcpus; - unsigned int *ireg; + const unsigned int *ireg; num_addr_cell = prom_n_addr_cells(dn); num_size_cell = prom_n_size_cells(dn); - ireg = (unsigned int *) - get_property(dn, "ibm,lrdr-capacity", NULL); + ireg = get_property(dn, "ibm,lrdr-capacity", NULL); if (!ireg) goto out; @@ -444,6 +444,8 @@ void __init smp_setup_cpu_maps(void) int __initdata do_early_xmon; #ifdef CONFIG_XMON +extern int xmon_no_auto_backtrace; + static int __init early_xmon(char *p) { /* ensure xmon is enabled */ @@ -452,6 +454,8 @@ static int __init early_xmon(char *p) xmon_init(1); if (strncmp(p, "off", 3) == 0) xmon_init(0); + if (strncmp(p, "nobt", 4) == 0) + xmon_no_auto_backtrace = 1; if (strncmp(p, "early", 5) != 0) return 0; } |