Mailing List Archive

# HG changeset patch
# User Keir Fraser <keir.fraser@citrix.com>
# Date 1227190877 0
# Node ID db7a713071fe69b40d279d6322a059e084f73e63
# Parent 857bda0c15b3584c6c2048657fd68ffbaef37b5c
x86: freeze non-current vCPUs of dom0 before entering S5

Signed-off-by: Jan Beulich <jbeulich@novell.com>
---
xen/arch/x86/acpi/power.c | 36 ++++++++++++++++++++++++++++++++----
1 files changed, 32 insertions(+), 4 deletions(-)

diff -r 857bda0c15b3 -r db7a713071fe xen/arch/x86/acpi/power.c
--- a/xen/arch/x86/acpi/power.c Thu Nov 20 14:17:09 2008 +0000
+++ b/xen/arch/x86/acpi/power.c Thu Nov 20 14:21:17 2008 +0000
@@ -77,19 +77,47 @@ static void freeze_domains(void)
static void freeze_domains(void)
{
struct domain *d;
-
+ struct vcpu *v;
+
+ rcu_read_lock(&domlist_read_lock);
for_each_domain ( d )
- if ( d->domain_id != 0 )
+ {
+ switch ( d->domain_id )
+ {
+ case 0:
+ for_each_vcpu ( d, v )
+ if ( v != current )
+ vcpu_pause(v);
+ break;
+ default:
domain_pause(d);
+ break;
+ }
+ }
+ rcu_read_unlock(&domlist_read_lock);
}

static void thaw_domains(void)
{
struct domain *d;
-
+ struct vcpu *v;
+
+ rcu_read_lock(&domlist_read_lock);
for_each_domain ( d )
- if ( d->domain_id != 0 )
+ {
+ switch ( d->domain_id )
+ {
+ case 0:
+ for_each_vcpu ( d, v )
+ if ( v != current )
+ vcpu_unpause(v);
+ break;
+ default:
domain_unpause(d);
+ break;
+ }
+ }
+ rcu_read_unlock(&domlist_read_lock);
}

static void acpi_sleep_prepare(u32 state)

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