From: Patrick Gefre <pfg@sgi.com>
Use the pda to keep the num of interrupts
---
arch/ia64/sn/io/sn2/ml_SN_intr.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff -puN arch/ia64/sn/io/sn2/ml_SN_intr.c~altix-irq-accounting-speedup arch/ia64/sn/io/sn2/ml_SN_intr.c
--- 25/arch/ia64/sn/io/sn2/ml_SN_intr.c~altix-irq-accounting-speedup 2004-02-09 09:37:16.000000000 -0800
+++ 25-akpm/arch/ia64/sn/io/sn2/ml_SN_intr.c 2004-02-09 09:37:16.000000000 -0800
@@ -30,6 +30,7 @@
#include <asm/sal.h>
#include <asm/sn/sn_sal.h>
#include <asm/sn/sn2/shub_mmr.h>
+#include <asm/sn/pda.h>
extern irqpda_t *irqpdaindr;
extern cnodeid_t master_node_get(vertex_hdl_t vhdl);
@@ -216,7 +217,6 @@ static cpuid_t intr_cpu_choose_from_node
{
cpuid_t cpu, best_cpu = CPU_NONE;
int slice, min_count = 1000;
- irqpda_t *irqs;
for (slice = CPUS_PER_NODE - 1; slice >= 0; slice--) {
int intrs;
@@ -227,8 +227,7 @@ static cpuid_t intr_cpu_choose_from_node
if (!cpu_online(cpu))
continue;
- irqs = irqpdaindr;
- intrs = irqs->num_irq_used;
+ intrs = pdacpu(cpu)->sn_num_irqs;
if (min_count > intrs) {
min_count = intrs;
@@ -243,6 +242,7 @@ static cpuid_t intr_cpu_choose_from_node
}
}
}
+ pdacpu(best_cpu)->sn_num_irqs++;
return best_cpu;
}
_