diff options
Diffstat (limited to 'core/stack.c')
| -rw-r--r-- | core/stack.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/core/stack.c b/core/stack.c index 10118e42..73700ce5 100644 --- a/core/stack.c +++ b/core/stack.c @@ -71,7 +71,7 @@ void ___print_backtrace(unsigned int pir, struct bt_entry *entries, static char bt_text_buf[4096]; int i, l = 0, max; char *buf = out_buf; - unsigned long bottom, top, tbot, ttop; + unsigned long bottom, top, normal_top, tbot, ttop; char mark; if (!out_buf) { @@ -81,7 +81,8 @@ void ___print_backtrace(unsigned int pir, struct bt_entry *entries, max = *len - 1; bottom = cpu_stack_bottom(pir); - top = cpu_stack_top(pir); + normal_top = cpu_stack_top(pir); + top = cpu_emergency_stack_top(pir); tbot = SKIBOOT_BASE; ttop = (unsigned long)&_etext; @@ -89,6 +90,8 @@ void ___print_backtrace(unsigned int pir, struct bt_entry *entries, for (i = 0; i < count && l < max; i++) { if (entries->sp < bottom || entries->sp > top) mark = '!'; + else if (entries->sp > normal_top) + mark = 'E'; else if (entries->pc < tbot || entries->pc > ttop) mark = '*'; else @@ -162,6 +165,12 @@ void __nomcount __mcount_stack_check(uint64_t sp, uint64_t lr) uint64_t top = base + NORMAL_STACK_SIZE; /* + * Don't check the emergency stack just yet. + */ + if (c->in_opal_call > 1) + return; + + /* * Don't re-enter on this CPU or don't enter at all if somebody * has spotted an overflow */ |
