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-rw-r--r--arch/powerpc/mm/hash_utils_64.c26
-rw-r--r--arch/powerpc/mm/hugetlbpage.c10
-rw-r--r--arch/powerpc/mm/slb.c2
3 files changed, 16 insertions, 22 deletions
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index b435e229c0e..88fdd9d2507 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -207,6 +207,10 @@ int htab_bolt_mapping(unsigned long vstart, unsigned long vend,
if (overlaps_kernel_text(vaddr, vaddr + step))
tprot &= ~HPTE_R_N;
+ /* Make kvm guest trampolines executable */
+ if (overlaps_kvm_tmp(vaddr, vaddr + step))
+ tprot &= ~HPTE_R_N;
+
/*
* If relocatable, check if it overlaps interrupt vectors that
* are copied down to real 0. For relocatable kernel
@@ -265,9 +269,9 @@ 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 +324,9 @@ 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 +406,9 @@ 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;
@@ -565,8 +569,8 @@ 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)
diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index eb923654ba8..7e70ae968e5 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -86,11 +86,6 @@ int pgd_huge(pgd_t pgd)
*/
return ((pgd_val(pgd) & 0x3) != 0x0);
}
-
-int pmd_huge_support(void)
-{
- return 1;
-}
#else
int pmd_huge(pmd_t pmd)
{
@@ -106,11 +101,6 @@ int pgd_huge(pgd_t pgd)
{
return 0;
}
-
-int pmd_huge_support(void)
-{
- return 0;
-}
#endif
pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr)
diff --git a/arch/powerpc/mm/slb.c b/arch/powerpc/mm/slb.c
index 4623366f82e..0399a670295 100644
--- a/arch/powerpc/mm/slb.c
+++ b/arch/powerpc/mm/slb.c
@@ -97,7 +97,7 @@ static inline void create_shadowed_slbe(unsigned long ea, int ssize,
static void __slb_flush_and_rebolt(void)
{
/* If you change this make sure you change SLB_NUM_BOLTED
- * appropriately too. */
+ * and PR KVM appropriately too. */
unsigned long linear_llp, vmalloc_llp, lflags, vflags;
unsigned long ksp_esid_data, ksp_vsid_data;