From: Glauber de Oliveira Costa Date: Wed, 19 Mar 2008 17:25:57 +0000 (-0300) Subject: x86: move stack_start to smp.h X-Git-Tag: v2.6.26-rc1~1154^2~340 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=9d97d0da71ad6c7ceb76b4e29b02bed1ee9d4cd2;p=linux-2.6-omap-h63xx.git x86: move stack_start to smp.h voyager would conflict with it, but the types are ultimately compatible. So remove the extern definition from voyager_smp.c in favour of the common one Signed-off-by: Glauber Costa Signed-off-by: Ingo Molnar --- diff --git a/arch/x86/kernel/smpboot_32.c b/arch/x86/kernel/smpboot_32.c index 1eb7b73b45a..ae25927f08c 100644 --- a/arch/x86/kernel/smpboot_32.c +++ b/arch/x86/kernel/smpboot_32.c @@ -257,12 +257,6 @@ void __devinit initialize_secondary(void) :"m" (current->thread.sp),"m" (current->thread.ip)); } -/* Static state in head.S used to set up a CPU */ -extern struct { - void * sp; - unsigned short ss; -} stack_start; - static inline void __inquire_remote_apic(int apicid) { unsigned i, regs[] = { APIC_ID >> 4, APIC_LVR >> 4, APIC_SPIV >> 4 }; diff --git a/arch/x86/mach-voyager/voyager_smp.c b/arch/x86/mach-voyager/voyager_smp.c index 11b806c7ed9..4397235c2e3 100644 --- a/arch/x86/mach-voyager/voyager_smp.c +++ b/arch/x86/mach-voyager/voyager_smp.c @@ -520,13 +520,6 @@ static void __init do_boot_cpu(__u8 cpu) & ~(voyager_extended_vic_processors & voyager_allowed_boot_processors); - /* This is an area in head.S which was used to set up the - * initial kernel stack. We need to alter this to give the - * booting CPU a new stack (taken from its idle process) */ - extern struct { - __u8 *sp; - unsigned short ss; - } stack_start; /* This is the format of the CPI IDT gate (in real mode) which * we're hijacking to boot the CPU */ union IDTFormat { diff --git a/include/asm-x86/smp.h b/include/asm-x86/smp.h index d02e6eacee3..78ef16dd194 100644 --- a/include/asm-x86/smp.h +++ b/include/asm-x86/smp.h @@ -28,6 +28,13 @@ extern const unsigned char trampoline_data []; extern const unsigned char trampoline_end []; extern unsigned char *trampoline_base; +/* Static state in head.S used to set up a CPU */ +extern struct { + void *sp; + unsigned short ss; +} stack_start; + + struct smp_ops { void (*smp_prepare_boot_cpu)(void); void (*smp_prepare_cpus)(unsigned max_cpus);