Commit f10eca6e authored by Michal Simek's avatar Michal Simek

microblaze: Fix do_page_fault for no context

Calling fixup when we are in kernel mode. This
prevent fault for copy_to/from_user. This fault
was find thanks to writev01/03/04 LTP tests.
Signed-off-by: default avatarMichal Simek <monstr@monstr.eu>
parent f14d6f7c
......@@ -122,15 +122,10 @@ void do_page_fault(struct pt_regs *regs, unsigned long address,
}
#endif /* CONFIG_KGDB */
if (in_atomic() || mm == NULL) {
/* FIXME */
if (kernel_mode(regs)) {
printk(KERN_EMERG
"Page fault in kernel mode - Oooou!!! pid %d\n",
current->pid);
_exception(SIGSEGV, regs, code, address);
return;
}
if (in_atomic() || !mm) {
if (kernel_mode(regs))
goto bad_area_nosemaphore;
/* in_atomic() in user mode is really bad,
as is current->mm == NULL. */
printk(KERN_EMERG "Page fault in user mode with "
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment