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-rw-r--r--arch/tile/mm/elf.c19
1 files changed, 7 insertions, 12 deletions
diff --git a/arch/tile/mm/elf.c b/arch/tile/mm/elf.c
index 758b6038c2b7..3cfa98bf9125 100644
--- a/arch/tile/mm/elf.c
+++ b/arch/tile/mm/elf.c
@@ -36,19 +36,14 @@ static void sim_notify_exec(const char *binary_name)
36 } while (c); 36 } while (c);
37} 37}
38 38
39static int notify_exec(void) 39static int notify_exec(struct mm_struct *mm)
40{ 40{
41 int retval = 0; /* failure */ 41 int retval = 0; /* failure */
42 struct vm_area_struct *vma = current->mm->mmap; 42
43 while (vma) { 43 if (mm->exe_file) {
44 if ((vma->vm_flags & VM_EXECUTABLE) && vma->vm_file)
45 break;
46 vma = vma->vm_next;
47 }
48 if (vma) {
49 char *buf = (char *) __get_free_page(GFP_KERNEL); 44 char *buf = (char *) __get_free_page(GFP_KERNEL);
50 if (buf) { 45 if (buf) {
51 char *path = d_path(&vma->vm_file->f_path, 46 char *path = d_path(&mm->exe_file->f_path,
52 buf, PAGE_SIZE); 47 buf, PAGE_SIZE);
53 if (!IS_ERR(path)) { 48 if (!IS_ERR(path)) {
54 sim_notify_exec(path); 49 sim_notify_exec(path);
@@ -106,16 +101,16 @@ int arch_setup_additional_pages(struct linux_binprm *bprm,
106 unsigned long vdso_base; 101 unsigned long vdso_base;
107 int retval = 0; 102 int retval = 0;
108 103
104 down_write(&mm->mmap_sem);
105
109 /* 106 /*
110 * Notify the simulator that an exec just occurred. 107 * Notify the simulator that an exec just occurred.
111 * If we can't find the filename of the mapping, just use 108 * If we can't find the filename of the mapping, just use
112 * whatever was passed as the linux_binprm filename. 109 * whatever was passed as the linux_binprm filename.
113 */ 110 */
114 if (!notify_exec()) 111 if (!notify_exec(mm))
115 sim_notify_exec(bprm->filename); 112 sim_notify_exec(bprm->filename);
116 113
117 down_write(&mm->mmap_sem);
118
119 /* 114 /*
120 * MAYWRITE to allow gdb to COW and set breakpoints 115 * MAYWRITE to allow gdb to COW and set breakpoints
121 */ 116 */