diff options
Diffstat (limited to 'arch/ia64/sn/kernel')
| -rw-r--r-- | arch/ia64/sn/kernel/irq.c | 15 | ||||
| -rw-r--r-- | arch/ia64/sn/kernel/msi_sn.c | 7 | ||||
| -rw-r--r-- | arch/ia64/sn/kernel/setup.c | 9 | ||||
| -rw-r--r-- | arch/ia64/sn/kernel/sn2/sn_hwperf.c | 27 |
4 files changed, 30 insertions, 28 deletions
diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c index 96c31b4180c3..66fd705e82c0 100644 --- a/arch/ia64/sn/kernel/irq.c +++ b/arch/ia64/sn/kernel/irq.c @@ -5,7 +5,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (c) 2000-2007 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) 2000-2008 Silicon Graphics, Inc. All Rights Reserved. */ #include <linux/irq.h> @@ -227,14 +227,14 @@ finish_up: return new_irq_info; } -static void sn_set_affinity_irq(unsigned int irq, cpumask_t mask) +static void sn_set_affinity_irq(unsigned int irq, const struct cpumask *mask) { struct sn_irq_info *sn_irq_info, *sn_irq_info_safe; nasid_t nasid; int slice; - nasid = cpuid_to_nasid(first_cpu(mask)); - slice = cpuid_to_slice(first_cpu(mask)); + nasid = cpuid_to_nasid(cpumask_first(mask)); + slice = cpuid_to_slice(cpumask_first(mask)); list_for_each_entry_safe(sn_irq_info, sn_irq_info_safe, sn_irq_lh[irq], list) @@ -375,6 +375,7 @@ void sn_irq_fixup(struct pci_dev *pci_dev, struct sn_irq_info *sn_irq_info) int cpu = nasid_slice_to_cpuid(nasid, slice); #ifdef CONFIG_SMP int cpuphys; + irq_desc_t *desc; #endif pci_dev_get(pci_dev); @@ -391,6 +392,12 @@ void sn_irq_fixup(struct pci_dev *pci_dev, struct sn_irq_info *sn_irq_info) #ifdef CONFIG_SMP cpuphys = cpu_physical_id(cpu); set_irq_affinity_info(sn_irq_info->irq_irq, cpuphys, 0); + desc = irq_to_desc(sn_irq_info->irq_irq); + /* + * Affinity was set by the PROM, prevent it from + * being reset by the request_irq() path. + */ + desc->status |= IRQ_AFFINITY_SET; #endif } diff --git a/arch/ia64/sn/kernel/msi_sn.c b/arch/ia64/sn/kernel/msi_sn.c index 83f190ffe350..ca553b0429ce 100644 --- a/arch/ia64/sn/kernel/msi_sn.c +++ b/arch/ia64/sn/kernel/msi_sn.c @@ -151,7 +151,8 @@ int sn_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *entry) } #ifdef CONFIG_SMP -static void sn_set_msi_irq_affinity(unsigned int irq, cpumask_t cpu_mask) +static void sn_set_msi_irq_affinity(unsigned int irq, + const struct cpumask *cpu_mask) { struct msi_msg msg; int slice; @@ -164,7 +165,7 @@ static void sn_set_msi_irq_affinity(unsigned int irq, cpumask_t cpu_mask) struct sn_pcibus_provider *provider; unsigned int cpu; - cpu = first_cpu(cpu_mask); + cpu = cpumask_first(cpu_mask); sn_irq_info = sn_msi_info[irq].sn_irq_info; if (sn_irq_info == NULL || sn_irq_info->irq_int_bit >= 0) return; @@ -204,7 +205,7 @@ static void sn_set_msi_irq_affinity(unsigned int irq, cpumask_t cpu_mask) msg.address_lo = (u32)(bus_addr & 0x00000000ffffffff); write_msi_msg(irq, &msg); - irq_desc[irq].affinity = cpu_mask; + irq_desc[irq].affinity = *cpu_mask; } #endif /* CONFIG_SMP */ diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c index bb1d24929640..02c5b8a9fb60 100644 --- a/arch/ia64/sn/kernel/setup.c +++ b/arch/ia64/sn/kernel/setup.c @@ -200,7 +200,7 @@ static int __cpuinitdata shub_1_1_found; * Set flag for enabling shub specific wars */ -static inline int __init is_shub_1_1(int nasid) +static inline int __cpuinit is_shub_1_1(int nasid) { unsigned long id; int rev; @@ -212,7 +212,7 @@ static inline int __init is_shub_1_1(int nasid) return rev <= 2; } -static void __init sn_check_for_wars(void) +static void __cpuinit sn_check_for_wars(void) { int cnode; @@ -512,7 +512,6 @@ static void __init sn_init_pdas(char **cmdline_p) for_each_online_node(cnode) { nodepdaindr[cnode] = alloc_bootmem_node(NODE_DATA(cnode), sizeof(nodepda_t)); - memset(nodepdaindr[cnode], 0, sizeof(nodepda_t)); memset(nodepdaindr[cnode]->phys_cpuid, -1, sizeof(nodepdaindr[cnode]->phys_cpuid)); spin_lock_init(&nodepdaindr[cnode]->ptc_lock); @@ -521,11 +520,9 @@ static void __init sn_init_pdas(char **cmdline_p) /* * Allocate & initialize nodepda for TIOs. For now, put them on node 0. */ - for (cnode = num_online_nodes(); cnode < num_cnodes; cnode++) { + for (cnode = num_online_nodes(); cnode < num_cnodes; cnode++) nodepdaindr[cnode] = alloc_bootmem_node(NODE_DATA(0), sizeof(nodepda_t)); - memset(nodepdaindr[cnode], 0, sizeof(nodepda_t)); - } /* * Now copy the array of nodepda pointers to each nodepda. diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c index 636588e7e068..be339477f906 100644 --- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c +++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c @@ -385,7 +385,6 @@ static int sn_topology_show(struct seq_file *s, void *d) int j; const char *slabname; int ordinal; - cpumask_t cpumask; char slice; struct cpuinfo_ia64 *c; struct sn_hwperf_port_info *ptdata; @@ -473,23 +472,21 @@ static int sn_topology_show(struct seq_file *s, void *d) * CPUs on this node, if any */ if (!SN_HWPERF_IS_IONODE(obj)) { - cpumask = node_to_cpumask(ordinal); - for_each_online_cpu(i) { - if (cpu_isset(i, cpumask)) { - slice = 'a' + cpuid_to_slice(i); - c = cpu_data(i); - seq_printf(s, "cpu %d %s%c local" - " freq %luMHz, arch ia64", - i, obj->location, slice, - c->proc_freq / 1000000); - for_each_online_cpu(j) { - seq_printf(s, j ? ":%d" : ", dist %d", - node_distance( + for_each_cpu_and(i, cpu_online_mask, + cpumask_of_node(ordinal)) { + slice = 'a' + cpuid_to_slice(i); + c = cpu_data(i); + seq_printf(s, "cpu %d %s%c local" + " freq %luMHz, arch ia64", + i, obj->location, slice, + c->proc_freq / 1000000); + for_each_online_cpu(j) { + seq_printf(s, j ? ":%d" : ", dist %d", + node_distance( cpu_to_node(i), cpu_to_node(j))); - } - seq_putc(s, '\n'); } + seq_putc(s, '\n'); } } } |
