diff options
Diffstat (limited to 'sys/kern/link_elf_obj.c')
| -rw-r--r-- | sys/kern/link_elf_obj.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/kern/link_elf_obj.c b/sys/kern/link_elf_obj.c index 344f163..613d1e4 100644 --- a/sys/kern/link_elf_obj.c +++ b/sys/kern/link_elf_obj.c @@ -653,8 +653,10 @@ link_elf_load_file(linker_class_t cls, const char* filename, linker_file_t* resu ef = (elf_file_t) lf; #ifdef SPARSE_MAPPING + mtx_lock(&vm_mtx); ef->object = vm_object_allocate(OBJT_DEFAULT, mapsize >> PAGE_SHIFT); if (ef->object == NULL) { + mtx_unlock(&vm_mtx); free(ef, M_LINKER); error = ENOMEM; goto out; @@ -667,9 +669,11 @@ link_elf_load_file(linker_class_t cls, const char* filename, linker_file_t* resu VM_PROT_ALL, VM_PROT_ALL, 0); if (error) { vm_object_deallocate(ef->object); + mtx_unlock(&vm_mtx); ef->object = 0; goto out; } + mtx_unlock(&vm_mtx); #else ef->address = malloc(mapsize, M_LINKER, M_WAITOK); if (!ef->address) { @@ -697,10 +701,12 @@ link_elf_load_file(linker_class_t cls, const char* filename, linker_file_t* resu /* * Wire down the pages */ + mtx_lock(&vm_mtx); vm_map_pageable(kernel_map, (vm_offset_t) segbase, (vm_offset_t) segbase + segs[i]->p_memsz, FALSE); + mtx_unlock(&vm_mtx); #endif } @@ -824,10 +830,12 @@ link_elf_unload_file(linker_file_t file) } #ifdef SPARSE_MAPPING if (ef->object) { + mtx_lock(&vm_mtx); vm_map_remove(kernel_map, (vm_offset_t) ef->address, (vm_offset_t) ef->address + (ef->object->size << PAGE_SHIFT)); vm_object_deallocate(ef->object); + mtx_unlock(&vm_mtx); } #else if (ef->address) |
