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authorLinus Torvalds <torvalds@linux-foundation.org>2011-03-16 10:10:02 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-16 10:10:02 -0700
commite7fd3b4669f5b835c8afce28425d9f698a558115 (patch)
treed7f254a1d75807cc8b50f416ba3bd13010913ddc /arch/x86/kernel/smpboot.c
parentfc82e1d59a24cbac01c49d4eb3b28d6abc26a5f4 (diff)
parent2ae9d293b14d17f35eff624272cfecac7979a2ee (diff)
Merge branch 'x86-trampoline-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-trampoline-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86: Fix binutils-2.21 symbol related build failures x86-64, trampoline: Remove unused variable x86, reboot: Fix the use of passed arguments in 32-bit BIOS reboot x86, reboot: Move the real-mode reboot code to an assembly file x86: Make the GDT_ENTRY() macro in <asm/segment.h> safe for assembly x86, trampoline: Use the unified trampoline setup for ACPI wakeup x86, trampoline: Common infrastructure for low memory trampolines Fix up trivial conflicts in arch/x86/kernel/Makefile
Diffstat (limited to 'arch/x86/kernel/smpboot.c')
-rw-r--r--arch/x86/kernel/smpboot.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index e9efdfd51c8d..c2871d3c71b6 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -711,7 +711,7 @@ do_rest:
stack_start = c_idle.idle->thread.sp;
/* start_ip had better be page-aligned! */
- start_ip = setup_trampoline();
+ start_ip = trampoline_address();
/* So we see what's up */
announce_cpu(cpu, apicid);
@@ -721,6 +721,8 @@ do_rest:
* the targeted processor.
*/
+ printk(KERN_DEBUG "smpboot cpu %d: start_ip = %lx\n", cpu, start_ip);
+
atomic_set(&init_deasserted, 0);
if (get_uv_system_type() != UV_NON_UNIQUE_APIC) {
@@ -774,8 +776,8 @@ do_rest:
pr_debug("CPU%d: has booted.\n", cpu);
else {
boot_error = 1;
- if (*((volatile unsigned char *)trampoline_base)
- == 0xA5)
+ if (*(volatile u32 *)TRAMPOLINE_SYM(trampoline_status)
+ == 0xA5A5A5A5)
/* trampoline started but...? */
pr_err("CPU%d: Stuck ??\n", cpu);
else
@@ -801,7 +803,7 @@ do_rest:
}
/* mark "stuck" area as not stuck */
- *((volatile unsigned long *)trampoline_base) = 0;
+ *(volatile u32 *)TRAMPOLINE_SYM(trampoline_status) = 0;
if (get_uv_system_type() != UV_NON_UNIQUE_APIC) {
/*