i386: Change sysenter_setup to __cpuinit & improve __INIT, __INITDATA From: Prarit Bhargava Change sysenter_setup to __cpuinit. Change __INIT & __INITDATA to be cpu hotplug aware. Resolve MODPOST warnings similar to: WARNING: vmlinux - Section mismatch: reference to .init.text:sysenter_setup from .text between 'identify_cpu' (at offset 0xc040a380) and 'detect_ht' and WARNING: vmlinux - Section mismatch: reference to .init.data:vsyscall_int80_end from .text between 'sysenter_setup' (at offset 0xc041a269) and 'enable_sep_cpu' WARNING: vmlinux - Section mismatch: reference to .init.data:vsyscall_int80_start from .text between 'sysenter_setup' (at offset 0xc041a26e) and 'enable_sep_cpu' WARNING: vmlinux - Section mismatch: reference to .init.data:vsyscall_sysenter_end from .text between 'sysenter_setup' (at offset 0xc041a275) and 'enable_sep_cpu' WARNING: vmlinux - Section mismatch: reference to .init.data:vsyscall_sysenter_start from .text between 'sysenter_setup' (at offset 0xc041a27a) and 'enable_sep_cpu' Signed-off-by: Prarit Bhargava Signed-off-by: Andi Kleen --- arch/i386/kernel/sysenter.c | 2 +- include/linux/init.h | 7 ++++++- 2 files changed, 7 insertions(+), 2 deletions(-) Index: linux/arch/i386/kernel/sysenter.c =================================================================== --- linux.orig/arch/i386/kernel/sysenter.c +++ linux/arch/i386/kernel/sysenter.c @@ -72,7 +72,7 @@ extern const char vsyscall_int80_start, extern const char vsyscall_sysenter_start, vsyscall_sysenter_end; static struct page *syscall_pages[1]; -int __init sysenter_setup(void) +int __cpuinit sysenter_setup(void) { void *syscall_page = (void *)get_zeroed_page(GFP_ATOMIC); syscall_pages[0] = virt_to_page(syscall_page); Index: linux/include/linux/init.h =================================================================== --- linux.orig/include/linux/init.h +++ linux/include/linux/init.h @@ -52,9 +52,14 @@ #endif /* For assembly routines */ +#ifdef CONFIG_HOTPLUG_CPU +#define __INIT .section ".text","ax" +#define __INITDATA .section ".data","aw" +#else #define __INIT .section ".init.text","ax" -#define __FINIT .previous #define __INITDATA .section ".init.data","aw" +#endif +#define __FINIT .previous #ifndef __ASSEMBLY__ /*