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Date: Mon, 08 Dec 2008 14:06:17 -0800
From: Yinghai Lu <yinghai@...nel.org>
To: Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
"H. Peter Anvin" <hpa@...or.com>,
Andrew Morton <akpm@...ux-foundation.org>
CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] x86: fix compiling with alpha
Impact: fix
can not use irq_desc in stat.c for some arch
Signed-off-by: Yinghai Lu <yinghai@...nel.orgg>
---
fs/proc/stat.c | 20 +++++++++++++-------
include/linux/irq.h | 9 ---------
include/linux/irqnr.h | 19 ++++++++++++++++---
3 files changed, 29 insertions(+), 19 deletions(-)
Index: linux-2.6/fs/proc/stat.c
===================================================================
--- linux-2.6.orig/fs/proc/stat.c
+++ linux-2.6/fs/proc/stat.c
@@ -45,9 +45,12 @@ static int show_stat(struct seq_file *p,
softirq = cputime64_add(softirq, kstat_cpu(i).cpustat.softirq);
steal = cputime64_add(steal, kstat_cpu(i).cpustat.steal);
guest = cputime64_add(guest, kstat_cpu(i).cpustat.guest);
- for_each_irq_desc(j, desc) {
+ for_each_irq_nr(j) {
+#ifdef CONFIG_SPARSE_IRQ
+ desc = irq_to_desc(j);
if (!desc)
continue;
+#endif
sum += kstat_irqs_cpu(j, i);
}
sum += arch_irq_stat_cpu(i);
@@ -92,14 +95,17 @@ static int show_stat(struct seq_file *p,
seq_printf(p, "intr %llu", (unsigned long long)sum);
/* sum again ? it could be updated? */
- for (j = 0; j < NR_IRQS; j++) {
- desc = irq_to_desc(j);
+ for_each_irq_nr(j) {
per_irq_sum = 0;
-
- if (desc) {
- for_each_possible_cpu(i)
- per_irq_sum += kstat_irqs_cpu(j, i);
+#ifdef CONFIG_SPARSE_IRQ
+ desc = irq_to_desc(j);
+ if (!desc) {
+ seq_printf(p, " %u", per_irq_sum);
+ continue;
}
+#endif
+ for_each_possible_cpu(i)
+ per_irq_sum += kstat_irqs_cpu(j, i);
seq_printf(p, " %u", per_irq_sum);
}
Index: linux-2.6/include/linux/irq.h
===================================================================
--- linux-2.6.orig/include/linux/irq.h
+++ linux-2.6/include/linux/irq.h
@@ -198,7 +198,6 @@ extern void arch_init_copy_chip_data(str
extern void arch_free_chip_data(struct irq_desc *old_desc, struct irq_desc *desc);
#ifndef CONFIG_SPARSE_IRQ
-
extern struct irq_desc irq_desc[NR_IRQS];
static inline struct irq_desc *irq_to_desc(unsigned int irq)
@@ -210,14 +209,6 @@ static inline struct irq_desc *irq_to_de
return irq_to_desc(irq);
}
-#ifdef CONFIG_GENERIC_HARDIRQS
-# define for_each_irq_desc(irq, desc) \
- for (irq = 0, desc = irq_desc; irq < nr_irqs; irq++, desc++)
-# define for_each_irq_desc_reverse(irq, desc) \
- for (irq = nr_irqs - 1, desc = irq_desc + (nr_irqs - 1); \
- irq >= 0; irq--, desc--)
-#endif
-
#else
extern struct irq_desc *irq_to_desc(unsigned int irq);
Index: linux-2.6/include/linux/irqnr.h
===================================================================
--- linux-2.6.orig/include/linux/irqnr.h
+++ linux-2.6/include/linux/irqnr.h
@@ -8,9 +8,22 @@
# define for_each_irq_desc(irq, desc) \
for (irq = 0; irq < nr_irqs; irq++)
-static inline early_sparse_irq_init(void)
-{
-}
+# define for_each_irq_desc_reverse(irq, desc) \
+ for (irq = nr_irqs - 1; irq >= 0; irq--)
+#else
+#ifndef CONFIG_SPARSE_IRQ
+
+struct irq_desc;
+extern int nr_irqs;
+# define for_each_irq_desc(irq, desc) \
+ for (irq = 0, desc = irq_desc; irq < nr_irqs; irq++, desc++)
+# define for_each_irq_desc_reverse(irq, desc) \
+ for (irq = nr_irqs - 1, desc = irq_desc + (nr_irqs - 1); \
+ irq >= 0; irq--, desc--)
#endif
+#endif
+
+#define for_each_irq_nr(irq) \
+ for (irq = 0; irq < nr_irqs; irq++)
#endif
--
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