diff options
Diffstat (limited to 'arch/x86/kernel/head_32.S')
| -rw-r--r-- | arch/x86/kernel/head_32.S | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S index fbad51fce67..5d8c5730686 100644 --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_32.S @@ -9,6 +9,7 @@ .text #include <linux/threads.h> +#include <linux/init.h> #include <linux/linkage.h> #include <asm/segment.h> #include <asm/page.h> @@ -151,7 +152,9 @@ WEAK(xen_entry) /* Unknown implementation; there's really nothing we can do at this point. */ ud2a -.data + + __INITDATA + subarch_entries: .long default_entry /* normal x86/PC */ .long lguest_entry /* lguest hypervisor */ @@ -199,7 +202,6 @@ default_entry: addl $0x67, %eax /* 0x67 == _PAGE_TABLE */ movl %eax, 4092(%edx) - xorl %ebx,%ebx /* This is the boot CPU (BSP) */ jmp 3f /* * Non-boot CPU entry point; entered from trampoline.S @@ -222,6 +224,8 @@ ENTRY(startup_32_smp) movl %eax,%es movl %eax,%fs movl %eax,%gs +#endif /* CONFIG_SMP */ +3: /* * New page tables may be in 4Mbyte page mode and may @@ -268,12 +272,6 @@ ENTRY(startup_32_smp) wrmsr 6: - /* This is a secondary processor (AP) */ - xorl %ebx,%ebx - incl %ebx - -#endif /* CONFIG_SMP */ -3: /* * Enable paging @@ -297,7 +295,7 @@ ENTRY(startup_32_smp) popfl #ifdef CONFIG_SMP - andl %ebx,%ebx + cmpb $0, ready jz 1f /* Initial CPU cleans BSS */ jmp checkCPUtype 1: @@ -502,6 +500,7 @@ early_fault: call printk #endif #endif + call dump_stack hlt_loop: hlt jmp hlt_loop |