Avoid SMP cacheflushes. This is a minor optimization of startup but
will also avoid smp_call_function from doing stupid things when called
from a CPU that is not yet marked online.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index a876ed6..c3c75a2 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -743,7 +743,6 @@
#endif
memcpy((void *)CAC_BASE, tlb_handler, 0x80);
- flush_icache_range(CAC_BASE, CAC_BASE + 0x80);
}
/*
@@ -1258,7 +1257,6 @@
#endif
memcpy((void *)CAC_BASE, final_handler, 0x100);
- flush_icache_range(CAC_BASE, CAC_BASE + 0x100);
}
/*
@@ -1519,9 +1517,6 @@
printk("%08x\n", handle_tlbl[i]);
}
#endif
-
- flush_icache_range((unsigned long)handle_tlbl,
- (unsigned long)handle_tlbl + FASTPATH_SIZE * sizeof(u32));
}
static void __init build_r3000_tlb_store_handler(void)
@@ -1559,9 +1554,6 @@
printk("%08x\n", handle_tlbs[i]);
}
#endif
-
- flush_icache_range((unsigned long)handle_tlbs,
- (unsigned long)handle_tlbs + FASTPATH_SIZE * sizeof(u32));
}
static void __init build_r3000_tlb_modify_handler(void)
@@ -1599,9 +1591,6 @@
printk("%08x\n", handle_tlbm[i]);
}
#endif
-
- flush_icache_range((unsigned long)handle_tlbm,
- (unsigned long)handle_tlbm + FASTPATH_SIZE * sizeof(u32));
}
/*
@@ -1691,9 +1680,6 @@
printk("%08x\n", handle_tlbl[i]);
}
#endif
-
- flush_icache_range((unsigned long)handle_tlbl,
- (unsigned long)handle_tlbl + FASTPATH_SIZE * sizeof(u32));
}
static void __init build_r4000_tlb_store_handler(void)
@@ -1730,9 +1716,6 @@
printk("%08x\n", handle_tlbs[i]);
}
#endif
-
- flush_icache_range((unsigned long)handle_tlbs,
- (unsigned long)handle_tlbs + FASTPATH_SIZE * sizeof(u32));
}
static void __init build_r4000_tlb_modify_handler(void)
@@ -1770,9 +1753,6 @@
printk("%08x\n", handle_tlbm[i]);
}
#endif
-
- flush_icache_range((unsigned long)handle_tlbm,
- (unsigned long)handle_tlbm + FASTPATH_SIZE * sizeof(u32));
}
void __init build_tlb_refill_handler(void)
@@ -1820,3 +1800,13 @@
}
}
}
+
+void __init flush_tlb_handlers(void)
+{
+ flush_icache_range((unsigned long)handle_tlbl,
+ (unsigned long)handle_tlbl + sizeof(handle_tlbl));
+ flush_icache_range((unsigned long)handle_tlbs,
+ (unsigned long)handle_tlbs + sizeof(handle_tlbs));
+ flush_icache_range((unsigned long)handle_tlbm,
+ (unsigned long)handle_tlbm + sizeof(handle_tlbm));
+}