diff options
| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2015-01-02 17:31:51 +0100 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2015-01-02 17:31:51 +0100 |
| commit | ed959ff149a5794649312288f87453f63bbbf3c9 (patch) | |
| tree | 70906a1c4b99da097811a6477f45aeda3d30eb70 | |
| parent | cde7c781e172c1fd55f74550b66712540a677d85 (diff) | |
Handle kernel traps happening before starting userland
* i386/i386/trap.c (kernel_trap): When current_thread is null, assume that
we are in kernel land.
| -rw-r--r-- | i386/i386/trap.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/i386/i386/trap.c b/i386/i386/trap.c index 9d4d43d..f1fe634 100644 --- a/i386/i386/trap.c +++ b/i386/i386/trap.c @@ -217,9 +217,9 @@ dump_ss(regs); goto badtrap; } } else { - assert(thread); - map = thread->task->map; - if (map == kernel_map) { + if (thread) + map = thread->task->map; + if (!thread || map == kernel_map) { printf("kernel page fault at %08x:\n", subcode); dump_ss(regs); panic("kernel thread accessed user space!\n"); |