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-rw-r--r--arch/ia64/sn/kernel/irq.c9
-rw-r--r--arch/ia64/sn/kernel/setup.c9
2 files changed, 11 insertions, 7 deletions
diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c
index 96c31b4..0c66dbd 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>
@@ -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/setup.c b/arch/ia64/sn/kernel/setup.c
index bb1d249..02c5b8a 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.