summaryrefslogtreecommitdiff
path: root/arch/powerpc
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/mm/pgtable-radix.c29
1 files changed, 17 insertions, 12 deletions
diff --git a/arch/powerpc/mm/pgtable-radix.c b/arch/powerpc/mm/pgtable-radix.c
index 0e87733eed80..931156069a81 100644
--- a/arch/powerpc/mm/pgtable-radix.c
+++ b/arch/powerpc/mm/pgtable-radix.c
@@ -241,9 +241,8 @@ void radix__mark_initmem_nx(void)
}
#endif /* CONFIG_STRICT_KERNEL_RWX */
-static inline void __meminit print_mapping(unsigned long start,
- unsigned long end,
- unsigned long size)
+static inline void __meminit
+print_mapping(unsigned long start, unsigned long end, unsigned long size, bool exec)
{
char buf[10];
@@ -252,7 +251,8 @@ static inline void __meminit print_mapping(unsigned long start,
string_get_size(size, 1, STRING_UNITS_2, buf, sizeof(buf));
- pr_info("Mapped 0x%016lx-0x%016lx with %s pages\n", start, end, buf);
+ pr_info("Mapped 0x%016lx-0x%016lx with %s pages%s\n", start, end, buf,
+ exec ? " (exec)" : "");
}
static unsigned long next_boundary(unsigned long addr, unsigned long end)
@@ -269,6 +269,7 @@ static int __meminit create_physical_mapping(unsigned long start,
int nid)
{
unsigned long vaddr, addr, mapping_size = 0;
+ bool prev_exec, exec = false;
pgprot_t prot;
int psize;
@@ -279,6 +280,7 @@ static int __meminit create_physical_mapping(unsigned long start,
gap = next_boundary(addr, end) - addr;
previous_size = mapping_size;
+ prev_exec = exec;
if (IS_ALIGNED(addr, PUD_SIZE) && gap >= PUD_SIZE &&
mmu_psize_defs[MMU_PAGE_1G].shift) {
@@ -293,18 +295,21 @@ static int __meminit create_physical_mapping(unsigned long start,
psize = mmu_virtual_psize;
}
- if (mapping_size != previous_size) {
- print_mapping(start, addr, previous_size);
- start = addr;
- }
-
vaddr = (unsigned long)__va(addr);
if (overlaps_kernel_text(vaddr, vaddr + mapping_size) ||
- overlaps_interrupt_vector_text(vaddr, vaddr + mapping_size))
+ overlaps_interrupt_vector_text(vaddr, vaddr + mapping_size)) {
prot = PAGE_KERNEL_X;
- else
+ exec = true;
+ } else {
prot = PAGE_KERNEL;
+ exec = false;
+ }
+
+ if (mapping_size != previous_size || exec != prev_exec) {
+ print_mapping(start, addr, previous_size, prev_exec);
+ start = addr;
+ }
rc = __map_kernel_page(vaddr, addr, prot, mapping_size, nid, start, end);
if (rc)
@@ -313,7 +318,7 @@ static int __meminit create_physical_mapping(unsigned long start,
update_page_count(psize, 1);
}
- print_mapping(start, addr, mapping_size);
+ print_mapping(start, addr, mapping_size, exec);
return 0;
}