diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2005-07-15 15:23:23 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2005-10-29 19:31:54 +0100 |
| commit | 1d40cfcd3442a53e98468cdb3e6d4d9a568d76cf (patch) | |
| tree | 76d3ba7ac251389194b74c4343d7c46231442044 /arch/mips/mm/tlbex.c | |
| parent | bdf21b18b4abf983db38f04ef7fec88f47389867 (diff) | |
| download | linux-1d40cfcd3442a53e98468cdb3e6d4d9a568d76cf.tar.bz2 | |
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>
Diffstat (limited to 'arch/mips/mm/tlbex.c')
| -rw-r--r-- | arch/mips/mm/tlbex.c | 30 |
1 files changed, 10 insertions, 20 deletions
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index a876ed6cde24..c3c75a234f50 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c @@ -743,7 +743,6 @@ static void __init build_r3000_tlb_refill_handler(void) #endif memcpy((void *)CAC_BASE, tlb_handler, 0x80); - flush_icache_range(CAC_BASE, CAC_BASE + 0x80); } /* @@ -1258,7 +1257,6 @@ static void __init build_r4000_tlb_refill_handler(void) #endif memcpy((void *)CAC_BASE, final_handler, 0x100); - flush_icache_range(CAC_BASE, CAC_BASE + 0x100); } /* @@ -1519,9 +1517,6 @@ static void __init build_r3000_tlb_load_handler(void) 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 @@ static void __init build_r3000_tlb_store_handler(void) 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 @@ static void __init build_r3000_tlb_modify_handler(void) 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 @@ static void __init build_r4000_tlb_load_handler(void) 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 @@ static void __init build_r4000_tlb_store_handler(void) 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 @@ static void __init build_r4000_tlb_modify_handler(void) 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 build_tlb_refill_handler(void) } } } + +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)); +} |