diff options
Diffstat (limited to 'arch/powerpc')
-rw-r--r-- | arch/powerpc/mm/pgtable-radix.c | 29 |
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; } |