alpha: move include/asm-alpha to arch/alpha/include/asm

Sam Ravnborg did the build-test that the direct header file move works,
I'm just committing it.

This is a pure move:

	mkdir arch/alpha/include
	git mv include/asm-alpha arch/alpha/include/asm

with no other changes.

Requested-and-tested-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 30 insertions, 0 deletions

diff --git a/arch/alpha/include/asm/hardirq.h b/arch/alpha/include/asm/hardirq.h
new file mode 100644
index 000000000000..d953e234daa8
--- /dev/null
+++ b/arch/alpha/include/asm/hardirq.h
@@ -0,0 +1,30 @@
+#ifndef _ALPHA_HARDIRQ_H
+#define _ALPHA_HARDIRQ_H
+
+#include <linux/threads.h>
+#include <linux/cache.h>
+
+
+/* entry.S is sensitive to the offsets of these fields */
+typedef struct {
+	unsigned long __softirq_pending;
+} ____cacheline_aligned irq_cpustat_t;
+
+#include <linux/irq_cpustat.h>	/* Standard mappings for irq_cpustat_t above */
+
+void ack_bad_irq(unsigned int irq);
+
+#define HARDIRQ_BITS	12
+
+/*
+ * The hardirq mask has to be large enough to have
+ * space for potentially nestable IRQ sources in the system
+ * to nest on a single CPU. On Alpha, interrupts are masked at the CPU
+ * by IPL as well as at the system level. We only have 8 IPLs (UNIX PALcode)
+ * so we really only have 8 nestable IRQs, but allow some overhead
+ */
+#if (1 << HARDIRQ_BITS) < 16
+#error HARDIRQ_BITS is too low!
+#endif
+
+#endif /* _ALPHA_HARDIRQ_H */