KVM: MMU: use page array in unsync walk
[safe/jmp/linux-2.6] / fs / binfmt_aout.c
index e176d19..f1f3f41 100644 (file)
@@ -28,6 +28,7 @@
 #include <asm/system.h>
 #include <asm/uaccess.h>
 #include <asm/cacheflush.h>
+#include <asm/a.out-core.h>
 
 static int load_aout_binary(struct linux_binprm *, struct pt_regs * regs);
 static int load_aout_library(struct file*);
@@ -115,10 +116,10 @@ static int aout_core_dump(long signr, struct pt_regs *regs, struct file *file, u
        current->flags |= PF_DUMPCORE;
                strncpy(dump.u_comm, current->comm, sizeof(dump.u_comm));
 #ifndef __sparc__
-       dump.u_ar0 = (void *)(((unsigned long)(&dump.regs)) - ((unsigned long)(&dump)));
+       dump.u_ar0 = offsetof(struct user, regs);
 #endif
        dump.signal = signr;
-       dump_thread(regs, &dump);
+       aout_dump_thread(regs, &dump);
 
 /* If the size of the dump file exceeds the rlimit, then see what would happen
    if we wrote the stack, but not the data area.  */
@@ -319,8 +320,7 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
        current->mm->free_area_cache = current->mm->mmap_base;
        current->mm->cached_hole_size = 0;
 
-       current->mm->mmap = NULL;
-       compute_creds(bprm);
+       install_exec_creds(bprm);
        current->flags &= ~PF_FORKNOEXEC;
 #ifdef __sparc__
        if (N_MAGIC(ex) == NMAGIC) {
@@ -372,21 +372,17 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
                         
                flush_icache_range(text_addr, text_addr+ex.a_text+ex.a_data);
        } else {
-               static unsigned long error_time, error_time2;
                if ((ex.a_text & 0xfff || ex.a_data & 0xfff) &&
-                   (N_MAGIC(ex) != NMAGIC) && (jiffies-error_time2) > 5*HZ)
+                   (N_MAGIC(ex) != NMAGIC) && printk_ratelimit())
                {
                        printk(KERN_NOTICE "executable not page aligned\n");
-                       error_time2 = jiffies;
                }
 
-               if ((fd_offset & ~PAGE_MASK) != 0 &&
-                   (jiffies-error_time) > 5*HZ)
+               if ((fd_offset & ~PAGE_MASK) != 0 && printk_ratelimit())
                {
                        printk(KERN_WARNING 
                               "fd_offset is not page aligned. Please convert program: %s\n",
                               bprm->file->f_path.dentry->d_name.name);
-                       error_time = jiffies;
                }
 
                if (!bprm->file->f_op->mmap||((fd_offset & ~PAGE_MASK) != 0)) {
@@ -448,12 +444,6 @@ beyond_if:
        regs->gp = ex.a_gpvalue;
 #endif
        start_thread(regs, ex.a_entry, current->mm->start_stack);
-       if (unlikely(current->ptrace & PT_PTRACED)) {
-               if (current->ptrace & PT_TRACE_EXEC)
-                       ptrace_notify ((PTRACE_EVENT_EXEC << 8) | SIGTRAP);
-               else
-                       send_sig(SIGTRAP, current, 0);
-       }
        return 0;
 }
 
@@ -495,15 +485,13 @@ static int load_aout_library(struct file *file)
        start_addr =  ex.a_entry & 0xfffff000;
 
        if ((N_TXTOFF(ex) & ~PAGE_MASK) != 0) {
-               static unsigned long error_time;
                loff_t pos = N_TXTOFF(ex);
 
-               if ((jiffies-error_time) > 5*HZ)
+               if (printk_ratelimit())
                {
                        printk(KERN_WARNING 
                               "N_TXTOFF is not page aligned. Please convert library: %s\n",
                               file->f_path.dentry->d_name.name);
-                       error_time = jiffies;
                }
                down_write(&current->mm->mmap_sem);
                do_brk(start_addr, ex.a_text + ex.a_data + ex.a_bss);