summaryrefslogtreecommitdiffstats
path: root/arch/arc/mm
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arc/mm')
-rw-r--r--arch/arc/mm/cache_arc700.c25
1 files changed, 19 insertions, 6 deletions
diff --git a/arch/arc/mm/cache_arc700.c b/arch/arc/mm/cache_arc700.c
index 1f676c4794e0..353b202c37c9 100644
--- a/arch/arc/mm/cache_arc700.c
+++ b/arch/arc/mm/cache_arc700.c
@@ -389,7 +389,7 @@ static inline void __dc_line_op(unsigned long paddr, unsigned long vaddr,
/***********************************************************
* Machine specific helper for per line I-Cache invalidate.
*/
-static void __ic_line_inv_vaddr(unsigned long paddr, unsigned long vaddr,
+static void __ic_line_inv_vaddr_local(unsigned long paddr, unsigned long vaddr,
unsigned long sz)
{
unsigned long flags;
@@ -405,6 +405,23 @@ static inline void __ic_entire_inv(void)
read_aux_reg(ARC_REG_IC_CTRL); /* blocks */
}
+struct ic_line_inv_vaddr_ipi {
+ unsigned long paddr, vaddr;
+ int sz;
+};
+
+static void __ic_line_inv_vaddr_helper(void *info)
+{
+ struct ic_line_inv_vaddr_ipi *ic_inv = (struct ic_line_inv_vaddr_ipi*) info;
+ __ic_line_inv_vaddr_local(ic_inv->paddr, ic_inv->vaddr, ic_inv->sz);
+}
+
+static void __ic_line_inv_vaddr(unsigned long paddr, unsigned long vaddr,
+ unsigned long sz)
+{
+ struct ic_line_inv_vaddr_ipi ic_inv = { paddr, vaddr , sz};
+ on_each_cpu(__ic_line_inv_vaddr_helper, &ic_inv, 1);
+}
#else
#define __ic_entire_inv()
@@ -553,12 +570,8 @@ void flush_icache_range(unsigned long kstart, unsigned long kend)
*/
void __sync_icache_dcache(unsigned long paddr, unsigned long vaddr, int len)
{
- unsigned long flags;
-
- local_irq_save(flags);
- __ic_line_inv_vaddr(paddr, vaddr, len);
__dc_line_op(paddr, vaddr, len, OP_FLUSH_N_INV);
- local_irq_restore(flags);
+ __ic_line_inv_vaddr(paddr, vaddr, len);
}
/* wrapper to compile time eliminate alignment checks in flush loop */