diff options
Diffstat (limited to 'arch/sparc')
| -rw-r--r-- | arch/sparc/include/asm/cacheflush.h | 4 | ||||
| -rw-r--r-- | arch/sparc/include/asm/cacheflush_64.h | 3 | ||||
| -rw-r--r-- | arch/sparc/kernel/setup_32.c | 16 |
3 files changed, 10 insertions, 13 deletions
diff --git a/arch/sparc/include/asm/cacheflush.h b/arch/sparc/include/asm/cacheflush.h index 049168087b19..f6c4839b8388 100644 --- a/arch/sparc/include/asm/cacheflush.h +++ b/arch/sparc/include/asm/cacheflush.h @@ -1,5 +1,9 @@ #ifndef ___ASM_SPARC_CACHEFLUSH_H #define ___ASM_SPARC_CACHEFLUSH_H + +/* flush addr - to allow use of self-modifying code */ +#define flushi(addr) __asm__ __volatile__ ("flush %0" : : "r" (addr) : "memory") + #if defined(__sparc__) && defined(__arch64__) #include <asm/cacheflush_64.h> #else diff --git a/arch/sparc/include/asm/cacheflush_64.h b/arch/sparc/include/asm/cacheflush_64.h index 2efea2ff88b7..301736d9e7a1 100644 --- a/arch/sparc/include/asm/cacheflush_64.h +++ b/arch/sparc/include/asm/cacheflush_64.h @@ -8,9 +8,6 @@ #include <linux/mm.h> /* Cache flush operations. */ - - -#define flushi(addr) __asm__ __volatile__ ("flush %0" : : "r" (addr) : "memory") #define flushw_all() __asm__ __volatile__("flushw") extern void __flushw_user(void); diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c index d65b5a1c2209..c052313f4dc5 100644 --- a/arch/sparc/kernel/setup_32.c +++ b/arch/sparc/kernel/setup_32.c @@ -227,16 +227,14 @@ static void __init per_cpu_patch(void) prom_halt(); } *(unsigned int *) (addr + 0) = insns[0]; + flushi(addr + 0); *(unsigned int *) (addr + 4) = insns[1]; + flushi(addr + 4); *(unsigned int *) (addr + 8) = insns[2]; + flushi(addr + 8); p++; } -#ifdef CONFIG_SMP - local_ops->cache_all(); -#else - sparc32_cachetlb_ops->cache_all(); -#endif } enum sparc_cpu sparc_cpu_model; @@ -340,13 +338,11 @@ void __init setup_arch(char **cmdline_p) init_mm.context = (unsigned long) NO_CONTEXT; init_task.thread.kregs = &fake_swapper_regs; - paging_init(); - - /* Now that we have the cache ops hooked up, we can patch - * instructions. - */ + /* Run-time patch instructions to match the cpu model */ per_cpu_patch(); + paging_init(); + smp_setup_cpu_possible_map(); } |