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authorRalf Baechle <ralf@linux-mips.org>2000-08-08 18:54:49 +0000
committerRalf Baechle <ralf@linux-mips.org>2000-08-08 18:54:49 +0000
commit5514f4babeeb3af00ee0c325e3cda7a562cc3d65 (patch)
treeedd733879cab73e41324a99ca5da7bc154c4196d /include/linux
parent6a9366db547e958e8c9bf8e1c13bcea6cb2bf393 (diff)
Merge with Linux 2.4.0-test6-pre4.
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/agp_backend.h1
-rw-r--r--include/linux/interrupt.h19
-rw-r--r--include/linux/irq_cpustat.h35
3 files changed, 40 insertions, 15 deletions
diff --git a/include/linux/agp_backend.h b/include/linux/agp_backend.h
index 698a6f262..a35094450 100644
--- a/include/linux/agp_backend.h
+++ b/include/linux/agp_backend.h
@@ -50,6 +50,7 @@ enum chipset_type {
VIA_VP3,
VIA_MVP3,
VIA_MVP4,
+ VIA_APOLLO_SUPER,
VIA_APOLLO_PRO,
SIS_GENERIC,
AMD_GENERIC,
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 8eb171810..9d214fadc 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -61,20 +61,9 @@ enum
TASKLET_SOFTIRQ
};
-#if SMP_CACHE_BYTES <= 32
-/* It is trick to make assembly easier. */
-#define SOFTIRQ_STATE_PAD 32
-#else
-#define SOFTIRQ_STATE_PAD SMP_CACHE_BYTES
-#endif
-
-struct softirq_state
-{
- __u32 active;
- __u32 mask;
-} __attribute__ ((__aligned__(SOFTIRQ_STATE_PAD)));
-
-extern struct softirq_state softirq_state[NR_CPUS];
+/* softirq mask and active fields moved to irq_cpustat_t in
+ * asm/hardirq.h to get better cache usage. KAO
+ */
struct softirq_action
{
@@ -87,7 +76,7 @@ extern void open_softirq(int nr, void (*action)(struct softirq_action*), void *d
static inline void __cpu_raise_softirq(int cpu, int nr)
{
- softirq_state[cpu].active |= (1<<nr);
+ softirq_active(cpu) |= (1<<nr);
}
diff --git a/include/linux/irq_cpustat.h b/include/linux/irq_cpustat.h
new file mode 100644
index 000000000..98cf96ff4
--- /dev/null
+++ b/include/linux/irq_cpustat.h
@@ -0,0 +1,35 @@
+#ifndef __irq_cpustat_h
+#define __irq_cpustat_h
+
+/*
+ * Contains default mappings for irq_cpustat_t, used by almost every
+ * architecture. Some arch (like s390) have per cpu hardware pages and
+ * they define their own mappings for irq_stat.
+ *
+ * Keith Owens <kaos@ocs.com.au> July 2000.
+ */
+
+/*
+ * Simple wrappers reducing source bloat. Define all irq_stat fields
+ * here, even ones that are arch dependent. That way we get common
+ * definitions instead of differing sets for each arch.
+ */
+
+extern irq_cpustat_t irq_stat[]; /* defined in asm/hardirq.h */
+
+#ifdef CONFIG_SMP
+#define __IRQ_STAT(cpu, member) (irq_stat[cpu].member)
+#else
+#define __IRQ_STAT(cpu, member) ((void)(cpu), irq_stat[0].member)
+#endif
+
+ /* arch independent irq_stat fields */
+#define softirq_active(cpu) __IRQ_STAT((cpu), __softirq_active)
+#define softirq_mask(cpu) __IRQ_STAT((cpu), __softirq_mask)
+#define local_irq_count(cpu) __IRQ_STAT((cpu), __local_irq_count)
+#define local_bh_count(cpu) __IRQ_STAT((cpu), __local_bh_count)
+#define syscall_count(cpu) __IRQ_STAT((cpu), __syscall_count)
+ /* arch dependent irq_stat fields */
+#define nmi_count(cpu) __IRQ_STAT((cpu), __nmi_count) /* i386, ia64 */
+
+#endif /* __irq_cpustat_h */