aboutsummaryrefslogtreecommitdiff
path: root/arch/x86/kernel/head_64.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/kernel/head_64.S')
-rw-r--r--arch/x86/kernel/head_64.S7
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
index 780cd928fcd..2d8b5035371 100644
--- a/arch/x86/kernel/head_64.S
+++ b/arch/x86/kernel/head_64.S
@@ -212,8 +212,8 @@ ENTRY(secondary_startup_64)
*/
lgdt early_gdt_descr(%rip)
- /* set up data segments. actually 0 would do too */
- movl $__KERNEL_DS,%eax
+ /* set up data segments */
+ xorl %eax,%eax
movl %eax,%ds
movl %eax,%ss
movl %eax,%es
@@ -262,11 +262,11 @@ ENTRY(secondary_startup_64)
.quad x86_64_start_kernel
ENTRY(initial_gs)
.quad INIT_PER_CPU_VAR(irq_stack_union)
- __FINITDATA
ENTRY(stack_start)
.quad init_thread_union+THREAD_SIZE-8
.word 0
+ __FINITDATA
bad_address:
jmp bad_address
@@ -340,6 +340,7 @@ ENTRY(name)
i = i + 1 ; \
.endr
+ .data
/*
* This default setting generates an ident mapping at address 0x100000
* and a mapping for the kernel that precisely maps virtual address