diff options
Diffstat (limited to 'kernel/arch/x86/kernel/head_64.S')
| -rw-r--r-- | kernel/arch/x86/kernel/head_64.S | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/kernel/arch/x86/kernel/head_64.S b/kernel/arch/x86/kernel/head_64.S index 7e5da2cbe..ffdc0e860 100644 --- a/kernel/arch/x86/kernel/head_64.S +++ b/kernel/arch/x86/kernel/head_64.S @@ -65,6 +65,9 @@ startup_64: * tables and then reload them. */ + /* Sanitize CPU configuration */ + call verify_cpu + /* * Compute the delta between the address I am compiled to run at and the * address I am actually running at. @@ -174,6 +177,9 @@ ENTRY(secondary_startup_64) * after the boot processor executes this code. */ + /* Sanitize CPU configuration */ + call verify_cpu + movq $(init_level4_pgt - __START_KERNEL_map), %rax 1: @@ -288,6 +294,8 @@ ENTRY(secondary_startup_64) pushq %rax # target address in negative space lretq +#include "verify_cpu.S" + #ifdef CONFIG_HOTPLUG_CPU /* * Boot CPU0 entry point. It's called from play_dead(). Everything has been set @@ -346,7 +354,7 @@ early_idt_handler_common: cld cmpl $2,(%rsp) # X86_TRAP_NMI - je is_nmi # Ignore NMI + je .Lis_nmi # Ignore NMI cmpl $2,early_recursion_flag(%rip) jz 1f @@ -411,7 +419,7 @@ early_idt_handler_common: popq %rcx popq %rax decl early_recursion_flag(%rip) -is_nmi: +.Lis_nmi: addq $16,%rsp # drop vector number and error code INTERRUPT_RETURN ENDPROC(early_idt_handler_common) |