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[panic] Don't spin the CPU in panic

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While waiting for the main panicing CPU to finish, don't spin the CPU
without using `asm("pause")` to lower power consumption. Some panics can
get stuck in this state and oh man do my fans spin up.
This commit is contained in:
Justin C. Miller
2023-08-31 19:43:26 -07:00
parent 97433fc7d1
commit 337b8bb36b
1 changed files with 1 additions and 1 deletions
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2
src/kernel/panic.serial/main.cpp
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@@ -30,7 +30,7 @@ void panic_handler(const cpu_state *regs)
// If we're not running on the CPU that panicked, wait // If we're not running on the CPU that panicked, wait
// for it to finish // for it to finish
if (!panic) { if (!panic) {
while (!main_cpu_done); while (!main_cpu_done) asm ("pause");
} else { } else {
new (&com1) panicking::serial_port {panicking::COM1}; new (&com1) panicking::serial_port {panicking::COM1};
new (&syms) panicking::symbol_table {panic->symbol_data}; new (&syms) panicking::symbol_table {panic->symbol_data};