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| author | Paul Mundt <lethal@linux-sh.org> | 2006-09-27 18:22:14 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2006-09-27 18:22:14 +0900 |
| commit | a6a31139897a5e539efe7ad3b7bd351fa9673ce8 (patch) | |
| tree | 6e2ad11d93ab95214694038080c79284c6da30d6 /include/asm-sh/irq.h | |
| parent | 2cb7ce3bb384f30a377f66336c78546b834604df (diff) | |
| download | linux-a6a31139897a5e539efe7ad3b7bd351fa9673ce8.tar.gz | |
sh: Add support for 4K stacks.
This enables support for 4K stacks on SH. Currently this depends on DEBUG_KERNEL, but likely all boards will switch to this as the default in the future. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'include/asm-sh/irq.h')
| -rw-r--r-- | include/asm-sh/irq.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/asm-sh/irq.h b/include/asm-sh/irq.h index dd05e102fc0e..0e5f365aff70 100644 --- a/include/asm-sh/irq.h +++ b/include/asm-sh/irq.h @@ -719,6 +719,15 @@ static inline int generic_irq_demux(int irq) #define irq_canonicalize(irq) (irq) #define irq_demux(irq) __irq_demux(sh_mv.mv_irq_demux(irq)) +#ifdef CONFIG_4KSTACKS +extern void irq_ctx_init(int cpu); +extern void irq_ctx_exit(int cpu); +# define __ARCH_HAS_DO_SOFTIRQ +#else +# define irq_ctx_init(cpu) do { } while (0) +# define irq_ctx_exit(cpu) do { } while (0) +#endif + #if defined(CONFIG_CPU_SUBTYPE_SH73180) #include <asm/irq-sh73180.h> #endif |