From 4267c41a458cd7d287dc8031468fc385c2f5b2c3 Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@qumranet.com>
Date: Thu, 24 May 2007 13:09:41 +0300
Subject: [PATCH] KVM: Tune hotplug/suspend IPIs
The hotplug IPIs can be called from the cpu on which we are currently
running on, so use on_cpu(). Similarly, drop on_each_cpu() for the
suspend/resume callbacks, as we're in atomic context here and only one
cpu is up anyway.
Signed-off-by: Avi Kivity <avi@qumranet.com>
---
drivers/kvm/kvm_main.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c
index 3226ad4bce7c5..603e8ce3d65e8 100644
--- a/drivers/kvm/kvm_main.c
+++ b/drivers/kvm/kvm_main.c
@@ -3110,13 +3110,13 @@ static void kvm_exit_debug(void)
static int kvm_suspend(struct sys_device *dev, pm_message_t state)
{
- on_each_cpu(hardware_disable, NULL, 0, 0);
+ hardware_disable(NULL);
return 0;
}
static int kvm_resume(struct sys_device *dev)
{
- on_each_cpu(hardware_disable, NULL, 0, 0);
+ hardware_enable(NULL);
return 0;
}
--
2.30.2