diff options
Diffstat (limited to 'arch/sh/mm/cache-sh7705.c')
| -rw-r--r-- | arch/sh/mm/cache-sh7705.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/sh/mm/cache-sh7705.c b/arch/sh/mm/cache-sh7705.c index 9dc38660e3de..6293f57fa888 100644 --- a/arch/sh/mm/cache-sh7705.c +++ b/arch/sh/mm/cache-sh7705.c @@ -81,6 +81,7 @@ static void sh7705_flush_icache_range(void *args) static void __flush_dcache_page(unsigned long phys) { unsigned long ways, waysize, addrstart; + unsigned long flags; phys |= SH_CACHE_VALID; @@ -97,6 +98,7 @@ static void __flush_dcache_page(unsigned long phys) * potential cache aliasing, therefore the optimisation is probably not * possible. */ + local_irq_save(flags); jump_to_uncached(); ways = current_cpu_data.dcache.ways; @@ -124,6 +126,7 @@ static void __flush_dcache_page(unsigned long phys) } while (--ways); back_to_cached(); + local_irq_restore(flags); } /* @@ -142,9 +145,14 @@ static void sh7705_flush_dcache_page(void *page) static void sh7705_flush_cache_all(void *args) { + unsigned long flags; + + local_irq_save(flags); jump_to_uncached(); + cache_wback_all(); back_to_cached(); + local_irq_restore(flags); } /* |