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authorMagnus Damm <magnus@valinux.co.jp>2007-02-05 15:43:42 +0900
committerTony Luck <tony.luck@intel.com>2007-02-05 11:27:21 -0800
commitbcb9b99d1fb6a1cbe592f131dc95450d2f18c91f (patch)
tree7c3e9711112c0559f8d734b5fed6e82eb846c3be /arch
parent62d0cfcb27cf755cebdc93ca95dabc83608007cd (diff)
downloadop-kernel-dev-bcb9b99d1fb6a1cbe592f131dc95450d2f18c91f.zip
op-kernel-dev-bcb9b99d1fb6a1cbe592f131dc95450d2f18c91f.tar.gz
[IA64] kexec: Fix CONFIG_SMP=n compilation
Kexec support for 2.6.20 on ia64 does not build properly using a config made up by CONFIG_SMP=n and CONFIG_HOTPLUG_CPU=n: Signed-off-by: Magnus Damm <magnus@valinux.co.jp> Acked-by: Simon Horman <horms@verge.net.au> Acked-by: Jay Lan <jlan@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/ia64/kernel/crash.c11
-rw-r--r--arch/ia64/kernel/machine_kexec.c2
2 files changed, 9 insertions, 4 deletions
diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c
index bc2f64d..2018e62 100644
--- a/arch/ia64/kernel/crash.c
+++ b/arch/ia64/kernel/crash.c
@@ -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 *info, void *arg)
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
diff --git a/arch/ia64/kernel/machine_kexec.c b/arch/ia64/kernel/machine_kexec.c
index e2ccc9f..7141795 100644
--- a/arch/ia64/kernel/machine_kexec.c
+++ b/arch/ia64/kernel/machine_kexec.c
@@ -70,12 +70,14 @@ void machine_kexec_cleanup(struct kimage *image)
void machine_shutdown(void)
{
+#ifdef CONFIG_HOTPLUG_CPU
int cpu;
for_each_online_cpu(cpu) {
if (cpu != smp_processor_id())
cpu_down(cpu);
}
+#endif
kexec_disable_iosapic();
}
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