diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2009-02-27 02:42:05 -0500 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-02-27 02:42:05 -0500 |
| commit | a73090ffaf0f6853880d9ac3fff7e5d88215131a (patch) | |
| tree | 1e6f10a1f8912dabc5a3adee5833da79ccab2ce7 | |
| parent | 0197f21ca5c5ed0df2a14a60ef073e8163e6533b (diff) | |
sh: Disable unsupportable prefetching on SH-3.
The SH-3 does not support 'pref'-based prefetching, only SH-2A and SH-4A
parts do. Remove SH-3 from the list.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| -rw-r--r-- | arch/sh/include/asm/processor_32.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/sh/include/asm/processor_32.h b/arch/sh/include/asm/processor_32.h index dcaed24c71fc..efdd78a53b11 100644 --- a/arch/sh/include/asm/processor_32.h +++ b/arch/sh/include/asm/processor_32.h | |||
| @@ -191,8 +191,7 @@ extern unsigned long get_wchan(struct task_struct *p); | |||
| 191 | 191 | ||
| 192 | #define user_stack_pointer(_regs) ((_regs)->regs[15]) | 192 | #define user_stack_pointer(_regs) ((_regs)->regs[15]) |
| 193 | 193 | ||
| 194 | #if defined(CONFIG_CPU_SH2A) || defined(CONFIG_CPU_SH3) || \ | 194 | #if defined(CONFIG_CPU_SH2A) || defined(CONFIG_CPU_SH4) |
| 195 | defined(CONFIG_CPU_SH4) | ||
| 196 | #define PREFETCH_STRIDE L1_CACHE_BYTES | 195 | #define PREFETCH_STRIDE L1_CACHE_BYTES |
| 197 | #define ARCH_HAS_PREFETCH | 196 | #define ARCH_HAS_PREFETCH |
| 198 | #define ARCH_HAS_PREFETCHW | 197 | #define ARCH_HAS_PREFETCHW |