kexec: Fix CONFIG_SMP=n compilation (ia64)
This patch makes it possible to compile kexec for ia64 without SMP support.
Signed-off-by: Magnus Damm <[email protected]>
---
Applies on top of 2.6.20-rc7.
arch/ia64/kernel/crash.c | 11 +++++++----
arch/ia64/kernel/machine_kexec.c | 2 ++
2 files changed, 9 insertions(+), 4 deletions(-)
--- 0002/arch/ia64/kernel/crash.c
+++ work/arch/ia64/kernel/crash.c 2007-02-01 12:42:38.000000000 +0900
@@ -79,6 +79,7 @@ crash_save_this_cpu()
final_note(buf);
}
+#ifdef CONFIG_SMP
static int
kdump_wait_cpu_freeze(void)
{
@@ -91,6 +92,7 @@ kdump_wait_cpu_freeze(void)
}
return 1;
}
+#endif
void
machine_crash_shutdown(struct pt_regs *pt)
@@ -132,11 +134,12 @@ kdump_cpu_freeze(struct unw_frame_info *
atomic_inc(&kdump_cpu_freezed);
kdump_status[cpuid] = 1;
mb();
- if (cpuid == 0) {
- for (;;)
- cpu_relax();
- } else
+#ifdef CONFIG_HOTPLUG_CPU
+ if (cpuid != 0)
ia64_jump_to_sal(&sal_boot_rendez_state[cpuid]);
+#endif
+ for (;;)
+ cpu_relax();
}
static int
--- 0002/arch/ia64/kernel/machine_kexec.c
+++ work/arch/ia64/kernel/machine_kexec.c 2007-02-01 12:35:46.000000000 +0900
@@ -70,12 +70,14 @@ void machine_kexec_cleanup(struct kimage
void machine_shutdown(void)
{
+#ifdef CONFIG_SMP
int cpu;
for_each_online_cpu(cpu) {
if (cpu != smp_processor_id())
cpu_down(cpu);
}
+#endif
kexec_disable_iosapic();
}
-
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