sh: Make cache flushers SMP-aware.
This does a bit of rework for making the cache flushers SMP-aware. The
function pointer-based flushers are renamed to local variants with the
exported interface being commonly implemented and wrapping as necessary.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/mm/cache-sh2a.c b/arch/sh/mm/cache-sh2a.c
index 96a4187..975899d 100644
--- a/arch/sh/mm/cache-sh2a.c
+++ b/arch/sh/mm/cache-sh2a.c
@@ -97,13 +97,15 @@
}
/* WBack O-Cache and flush I-Cache */
-static void sh2a_flush_icache_range(unsigned long start, unsigned long end)
+static void sh2a_flush_icache_range(void *args)
{
+ struct flusher_data *data = args;
+ unsigned long start, end;
unsigned long v;
unsigned long flags;
- start = start & ~(L1_CACHE_BYTES-1);
- end = (end + L1_CACHE_BYTES-1) & ~(L1_CACHE_BYTES-1);
+ start = data->addr1 & ~(L1_CACHE_BYTES-1);
+ end = (data->addr2 + L1_CACHE_BYTES-1) & ~(L1_CACHE_BYTES-1);
local_irq_save(flags);
jump_to_uncached();
@@ -130,7 +132,7 @@
void __init sh2a_cache_init(void)
{
- flush_icache_range = sh2a_flush_icache_range;
+ local_flush_icache_range = sh2a_flush_icache_range;
__flush_wback_region = sh2a__flush_wback_region;
__flush_purge_region = sh2a__flush_purge_region;
