diff options
Diffstat (limited to 'arch/x86/kernel/smpboot.c')
| -rw-r--r-- | arch/x86/kernel/smpboot.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 433529e29be4..f56f96da77f5 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -57,7 +57,7 @@ #include <asm/nmi.h> #include <asm/irq.h> #include <asm/idle.h> -#include <asm/trampoline.h> +#include <asm/realmode.h> #include <asm/cpu.h> #include <asm/numa.h> #include <asm/pgtable.h> @@ -73,6 +73,8 @@ #include <asm/smpboot_hooks.h> #include <asm/i8259.h> +#include <asm/realmode.h> + /* State of each CPU */ DEFINE_PER_CPU(int, cpu_state) = { 0 }; @@ -660,8 +662,12 @@ static void __cpuinit announce_cpu(int cpu, int apicid) */ static int __cpuinit do_boot_cpu(int apicid, int cpu, struct task_struct *idle) { + volatile u32 *trampoline_status = + (volatile u32 *) __va(real_mode_header->trampoline_status); + /* start_ip had better be page-aligned! */ + unsigned long start_ip = real_mode_header->trampoline_start; + unsigned long boot_error = 0; - unsigned long start_ip; int timeout; alternatives_smp_switch(1); @@ -684,9 +690,6 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu, struct task_struct *idle) initial_code = (unsigned long)start_secondary; stack_start = idle->thread.sp; - /* start_ip had better be page-aligned! */ - start_ip = trampoline_address(); - /* So we see what's up */ announce_cpu(cpu, apicid); @@ -749,8 +752,7 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu, struct task_struct *idle) pr_debug("CPU%d: has booted.\n", cpu); } else { boot_error = 1; - if (*(volatile u32 *)TRAMPOLINE_SYM(trampoline_status) - == 0xA5A5A5A5) + if (*trampoline_status == 0xA5A5A5A5) /* trampoline started but...? */ pr_err("CPU%d: Stuck ??\n", cpu); else @@ -776,7 +778,7 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu, struct task_struct *idle) } /* mark "stuck" area as not stuck */ - *(volatile u32 *)TRAMPOLINE_SYM(trampoline_status) = 0; + *trampoline_status = 0; if (get_uv_system_type() != UV_NON_UNIQUE_APIC) { /* |