x86_64: zero-init BSP and AP CPU cpu_data before use

2023-05-07 21:40:12 +01:00
parent 9f3c080e41
commit aaad77aea5
2 changed files with 3 additions and 0 deletions
--- a/arch/x86_64/acpi/smp.cpp
+++ b/arch/x86_64/acpi/smp.cpp
@@ -29,6 +29,7 @@ extern "C" void ap_trampoline_exit(void)
 	this_cpu->c_cpu_id = cpu_id;

 	struct cpu_data *self = get_this_cpu();
+	memset(self, 0x0, sizeof *self);
 	self->c_flags = CPU_ONLINE;
 	self->c_id = cpu_id;
 	this_cpu->c_data = self;