kmalloc wasn't being disabled during panic. This patch ensures that, no
matter how UML is exiting, it is disabled. This matters because part of the
cleanup is to remove the umid file, which involves readdir, which calls
malloc. This must map to libc malloc, rather than kmalloc or vmalloc.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
static void last_ditch_exit(int sig)
{
- kmalloc_ok = 0;
signal(SIGINT, SIG_DFL);
signal(SIGTERM, SIG_DFL);
signal(SIGHUP, SIG_DFL);
void uml_cleanup(void)
{
- kill_off_processes();
+ kmalloc_ok = 0;
do_uml_exitcalls();
+ kill_off_processes();
}
void machine_restart(char * __unused)
{
- do_uml_exitcalls();
- kill_off_processes();
+ uml_cleanup();
CHOOSE_MODE(reboot_tt(), reboot_skas());
}
void machine_power_off(void)
{
- do_uml_exitcalls();
- kill_off_processes();
+ uml_cleanup();
CHOOSE_MODE(halt_tt(), halt_skas());
}