AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

sh: Disable unsupportable prefetching on SH-3.

Browse Source 
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>
This commit is contained in:
Paul Mundt 2009-02-27 16:42:05 +09:00
parent 0197f21ca5
commit a73090ffaf
1 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
arch/sh/include/asm/processor_32.h
View File

@ -191,8 +191,7 @@ extern unsigned long get_wchan(struct task_struct *p);
#define user_stack_pointer(_regs) ((_regs)->regs[15])
#if defined(CONFIG_CPU_SH2A) || defined(CONFIG_CPU_SH3) || \
defined(CONFIG_CPU_SH4)
#if defined(CONFIG_CPU_SH2A) || defined(CONFIG_CPU_SH4)
#define PREFETCH_STRIDE L1_CACHE_BYTES
#define ARCH_HAS_PREFETCH
#define ARCH_HAS_PREFETCHW