diff options
Diffstat (limited to 'arch/powerpc/platforms/pseries')
| -rw-r--r-- | arch/powerpc/platforms/pseries/hotplug-memory.c | 6 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/iommu.c | 6 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/pci_dlpar.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/smp.c | 13 |
4 files changed, 15 insertions, 12 deletions
diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c index 140d02a5232..a623ad256e9 100644 --- a/arch/powerpc/platforms/pseries/hotplug-memory.c +++ b/arch/powerpc/platforms/pseries/hotplug-memory.c @@ -22,6 +22,12 @@ static int pseries_remove_lmb(unsigned long base, unsigned int lmb_size) int ret; start_pfn = base >> PAGE_SHIFT; + + if (!pfn_valid(start_pfn)) { + lmb_remove(base, lmb_size); + return 0; + } + zone = page_zone(pfn_to_page(start_pfn)); /* diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index a8c446697f9..c90817acb47 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -32,6 +32,7 @@ #include <linux/string.h> #include <linux/pci.h> #include <linux/dma-mapping.h> +#include <linux/crash_dump.h> #include <asm/io.h> #include <asm/prom.h> #include <asm/rtas.h> @@ -291,9 +292,8 @@ static void iommu_table_setparms(struct pci_controller *phb, tbl->it_base = (unsigned long)__va(*basep); -#ifndef CONFIG_CRASH_DUMP - memset((void *)tbl->it_base, 0, *sizep); -#endif + if (!is_kdump_kernel()) + memset((void *)tbl->it_base, 0, *sizep); tbl->it_busno = phb->bus->number; diff --git a/arch/powerpc/platforms/pseries/pci_dlpar.c b/arch/powerpc/platforms/pseries/pci_dlpar.c index 21a6d55418f..31481dc485d 100644 --- a/arch/powerpc/platforms/pseries/pci_dlpar.c +++ b/arch/powerpc/platforms/pseries/pci_dlpar.c @@ -189,6 +189,7 @@ struct pci_controller * __devinit init_phb_dynamic(struct device_node *dn) { struct pci_controller *phb; int primary; + struct pci_bus *b; primary = list_empty(&hose_list); phb = pcibios_alloc_controller(dn); @@ -203,6 +204,7 @@ struct pci_controller * __devinit init_phb_dynamic(struct device_node *dn) eeh_add_device_tree_early(dn); scan_phb(phb); + pcibios_allocate_bus_resources(phb->bus); pcibios_fixup_new_pci_devices(phb->bus); pci_bus_add_devices(phb->bus); eeh_add_device_tree_late(phb->bus); diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c index e00f96baa38..1a231c389ba 100644 --- a/arch/powerpc/platforms/pseries/smp.c +++ b/arch/powerpc/platforms/pseries/smp.c @@ -52,8 +52,8 @@ /* - * The primary thread of each non-boot processor is recorded here before - * smp init. + * 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; @@ -161,8 +161,7 @@ static void __devinit smp_pSeries_kick_cpu(int nr) static int smp_pSeries_cpu_bootable(unsigned int nr) { /* Special case - we inhibit secondary thread startup - * during boot if the user requests it. Odd-numbered - * cpus are assumed to be secondary threads. + * during boot if the user requests it. */ if (system_state < SYSTEM_RUNNING && cpu_has_feature(CPU_FTR_SMT) && @@ -199,11 +198,7 @@ static void __init smp_init_pseries(void) /* Mark threads which are still spinning in hold loops. */ if (cpu_has_feature(CPU_FTR_SMT)) { for_each_present_cpu(i) { - if (i % 2 == 0) - /* - * Even-numbered logical cpus correspond to - * primary threads. - */ + if (cpu_thread_in_core(i) == 0) cpu_set(i, of_spin_map); } } else { |