[PATCH 6/8] arm64/kexec: kexec needs cpu_die
Geoff Levand
geoff at infradead.org
Thu May 8 17:48:17 PDT 2014
Kexec uses the cpu_die method of struct cpu_operations, so add
defined(CONFIG_KEXEC) to the preprocessor conditional that enables cpu_die.
Signed-off-by: Geoff Levand <geoff at infradead.org>
---
arch/arm64/kernel/psci.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/kernel/psci.c b/arch/arm64/kernel/psci.c
index ea4828a..0e5fa69 100644
--- a/arch/arm64/kernel/psci.c
+++ b/arch/arm64/kernel/psci.c
@@ -253,7 +253,7 @@ static int cpu_psci_cpu_boot(unsigned int cpu)
return err;
}
-#ifdef CONFIG_HOTPLUG_CPU
+#if defined(CONFIG_HOTPLUG_CPU) || defined(CONFIG_KEXEC)
static int cpu_psci_cpu_disable(unsigned int cpu)
{
/* Fail early if we don't have CPU_OFF support */
@@ -284,7 +284,7 @@ const struct cpu_operations cpu_psci_ops = {
.cpu_init = cpu_psci_cpu_init,
.cpu_prepare = cpu_psci_cpu_prepare,
.cpu_boot = cpu_psci_cpu_boot,
-#ifdef CONFIG_HOTPLUG_CPU
+#if defined(CONFIG_HOTPLUG_CPU) || defined(CONFIG_KEXEC)
.cpu_disable = cpu_psci_cpu_disable,
.cpu_die = cpu_psci_cpu_die,
#endif
--
1.9.1
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