aboutsummaryrefslogtreecommitdiffstats
path: root/arch/powerpc/mm/mem.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/mm/mem.c')
-rw-r--r--arch/powerpc/mm/mem.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index f5535eae637f..1c07d5a3f543 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -49,6 +49,7 @@
#include <asm/fixmap.h>
#include <asm/swiotlb.h>
#include <asm/rtas.h>
+#include <asm/kasan.h>
#include <mm/mmu_decl.h>
@@ -301,6 +302,9 @@ void __init mem_init(void)
high_memory = (void *) __va(max_low_pfn * PAGE_SIZE);
set_max_mapnr(max_pfn);
+
+ kasan_late_init();
+
memblock_free_all();
#ifdef CONFIG_HIGHMEM
@@ -369,7 +373,9 @@ static inline bool flush_coherent_icache(unsigned long addr)
*/
if (cpu_has_feature(CPU_FTR_COHERENT_ICACHE)) {
mb(); /* sync */
+ allow_read_from_user((const void __user *)addr, L1_CACHE_BYTES);
icbi((void *)addr);
+ prevent_read_from_user((const void __user *)addr, L1_CACHE_BYTES);
mb(); /* sync */
isync();
return true;