diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/um/include/os.h | 4 | ||||
| -rw-r--r-- | arch/um/kernel/um_arch.c | 2 |
2 files changed, 6 insertions, 0 deletions
diff --git a/arch/um/include/os.h b/arch/um/include/os.h index 583329d0a53..6f766e1faec 100644 --- a/arch/um/include/os.h +++ b/arch/um/include/os.h @@ -157,6 +157,10 @@ extern int os_lock_file(int fd, int excl); extern void os_early_checks(void); extern int can_do_skas(void); +/* Make sure they are clear when running in TT mode. Required by + * SEGV_MAYBE_FIXABLE */ +#define clear_can_do_skas() do { ptrace_faultinfo = proc_mm = 0; } while (0) + /* mem.c */ extern int create_mem_file(unsigned long len); diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c index f0a275947d3..93dc782dc1c 100644 --- a/arch/um/kernel/um_arch.c +++ b/arch/um/kernel/um_arch.c @@ -334,6 +334,8 @@ int linux_main(int argc, char **argv) add_arg(DEFAULT_COMMAND_LINE); os_early_checks(); + if (force_tt) + clear_can_do_skas(); mode_tt = force_tt ? 1 : !can_do_skas(); #ifndef CONFIG_MODE_TT if (mode_tt) { |