aboutsummaryrefslogtreecommitdiff
path: root/arch/powerpc/mm/hash_utils_64.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/mm/hash_utils_64.c')
-rw-r--r--arch/powerpc/mm/hash_utils_64.c53
1 files changed, 31 insertions, 22 deletions
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index d766d6ee33fe..ff27d169fa80 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -265,9 +265,9 @@ static int __init htab_dt_scan_seg_sizes(unsigned long node,
const char *uname, int depth,
void *data)
{
- char *type = of_get_flat_dt_prop(node, "device_type", NULL);
- __be32 *prop;
- unsigned long size = 0;
+ const char *type = of_get_flat_dt_prop(node, "device_type", NULL);
+ const __be32 *prop;
+ int size = 0;
/* We are scanning "cpu" nodes only */
if (type == NULL || strcmp(type, "cpu") != 0)
@@ -320,9 +320,9 @@ static int __init htab_dt_scan_page_sizes(unsigned long node,
const char *uname, int depth,
void *data)
{
- char *type = of_get_flat_dt_prop(node, "device_type", NULL);
- __be32 *prop;
- unsigned long size = 0;
+ const char *type = of_get_flat_dt_prop(node, "device_type", NULL);
+ const __be32 *prop;
+ int size = 0;
/* We are scanning "cpu" nodes only */
if (type == NULL || strcmp(type, "cpu") != 0)
@@ -402,9 +402,9 @@ static int __init htab_dt_scan_page_sizes(unsigned long node,
static int __init htab_dt_scan_hugepage_blocks(unsigned long node,
const char *uname, int depth,
void *data) {
- char *type = of_get_flat_dt_prop(node, "device_type", NULL);
- __be64 *addr_prop;
- __be32 *page_count_prop;
+ const char *type = of_get_flat_dt_prop(node, "device_type", NULL);
+ const __be64 *addr_prop;
+ const __be32 *page_count_prop;
unsigned int expected_pages;
long unsigned int phys_addr;
long unsigned int block_size;
@@ -546,8 +546,8 @@ static int __init htab_dt_scan_pftsize(unsigned long node,
const char *uname, int depth,
void *data)
{
- char *type = of_get_flat_dt_prop(node, "device_type", NULL);
- __be32 *prop;
+ const char *type = of_get_flat_dt_prop(node, "device_type", NULL);
+ const __be32 *prop;
/* We are scanning "cpu" nodes only */
if (type == NULL || strcmp(type, "cpu") != 0)
@@ -960,6 +960,22 @@ void hash_failure_debug(unsigned long ea, unsigned long access,
trap, vsid, ssize, psize, lpsize, pte);
}
+static void check_paca_psize(unsigned long ea, struct mm_struct *mm,
+ int psize, bool user_region)
+{
+ if (user_region) {
+ if (psize != get_paca_psize(ea)) {
+ get_paca()->context = mm->context;
+ slb_flush_and_rebolt();
+ }
+ } else if (get_paca()->vmalloc_sllp !=
+ mmu_psize_defs[mmu_vmalloc_psize].sllp) {
+ get_paca()->vmalloc_sllp =
+ mmu_psize_defs[mmu_vmalloc_psize].sllp;
+ slb_vmalloc_update();
+ }
+}
+
/* Result code is:
* 0 - handled
* 1 - normal page fault
@@ -1081,6 +1097,8 @@ int hash_page(unsigned long ea, unsigned long access, unsigned long trap)
WARN_ON(1);
}
#endif
+ check_paca_psize(ea, mm, psize, user_region);
+
goto bail;
}
@@ -1121,17 +1139,8 @@ int hash_page(unsigned long ea, unsigned long access, unsigned long trap)
#endif
}
}
- if (user_region) {
- if (psize != get_paca_psize(ea)) {
- get_paca()->context = mm->context;
- slb_flush_and_rebolt();
- }
- } else if (get_paca()->vmalloc_sllp !=
- mmu_psize_defs[mmu_vmalloc_psize].sllp) {
- get_paca()->vmalloc_sllp =
- mmu_psize_defs[mmu_vmalloc_psize].sllp;
- slb_vmalloc_update();
- }
+
+ check_paca_psize(ea, mm, psize, user_region);
#endif /* CONFIG_PPC_64K_PAGES */
#ifdef CONFIG_PPC_HAS_HASH_64K