diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-15 20:19:40 +0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-15 20:19:40 +0400 |
commit | 024b246ed24492d6c2ee14c34d742b137fce1b94 (patch) | |
tree | 428444950025503218c96b03c86f749403626dec /arch/alpha/include/asm/hardirq.h | |
parent | 9419fc1c957d600093baaea247fef23cca3b4e93 (diff) | |
download | linux-024b246ed24492d6c2ee14c34d742b137fce1b94.tar.xz |
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>
Diffstat (limited to 'arch/alpha/include/asm/hardirq.h')
-rw-r--r-- | arch/alpha/include/asm/hardirq.h | 30 |
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 */ |