diff options
Diffstat (limited to 'arch/i386/kernel/head.S')
| -rw-r--r-- | arch/i386/kernel/head.S | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/arch/i386/kernel/head.S b/arch/i386/kernel/head.S index 6c7f71176977..734be5572eb9 100644 --- a/arch/i386/kernel/head.S +++ b/arch/i386/kernel/head.S @@ -53,6 +53,7 @@ * any particular GDT layout, because we load our own as soon as we * can. */ +.section .text.head,"ax",@progbits ENTRY(startup_32) #ifdef CONFIG_PARAVIRT @@ -141,16 +142,25 @@ page_pde_offset = (__PAGE_OFFSET >> 20); jb 10b movl %edi,(init_pg_tables_end - __PAGE_OFFSET) -#ifdef CONFIG_SMP xorl %ebx,%ebx /* This is the boot CPU (BSP) */ jmp 3f - /* * Non-boot CPU entry point; entered from trampoline.S * We can't lgdt here, because lgdt itself uses a data segment, but * we know the trampoline has already loaded the boot_gdt_table GDT * for us. + * + * If cpu hotplug is not supported then this code can go in init section + * which will be freed later */ + +#ifdef CONFIG_HOTPLUG_CPU +.section .text,"ax",@progbits +#else +.section .init.text,"ax",@progbits +#endif + +#ifdef CONFIG_SMP ENTRY(startup_32_smp) cld movl $(__BOOT_DS),%eax @@ -208,8 +218,8 @@ ENTRY(startup_32_smp) xorl %ebx,%ebx incl %ebx -3: #endif /* CONFIG_SMP */ +3: /* * Enable paging @@ -492,6 +502,7 @@ ignore_int: #endif iret +.section .text #ifdef CONFIG_PARAVIRT startup_paravirt: cld |