Merge tag 'stable/for-linus-3.15-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull Xen features and fixes from David Vrabel:
 "Support PCI devices with multiple MSIs, performance improvement for
  kernel-based backends (by not populated m2p overrides when mapping),
  and assorted minor bug fixes and cleanups"

* tag 'stable/for-linus-3.15-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen/acpi-processor: fix enabling interrupts on syscore_resume
  xen/grant-table: Refactor gnttab_[un]map_refs to avoid m2p_override
  xen: remove XEN_PRIVILEGED_GUEST
  xen: add support for MSI message groups
  xen-pciback: Use pci_enable_msix_exact() instead of pci_enable_msix()
  xen/xenbus: remove unused xenbus_bind_evtchn()
  xen/events: remove unnecessary call to bind_evtchn_to_cpu()
  xen/events: remove the unused resend_irq_on_evtchn()
  drivers:xen-selfballoon:reset 'frontswap_inertia_counter' after frontswap_shrink
  drivers: xen: Include appropriate header file in pcpu.c
  drivers: xen: Mark function as static in platform-pci.c

1 files changed, 8 insertions, 7 deletions

diff --git a/drivers/xen/xen-acpi-processor.c b/drivers/xen/xen-acpi-processor.c
index 7231859119f1..82358d14ecf1 100644
--- a/drivers/xen/xen-acpi-processor.c
+++ b/drivers/xen/xen-acpi-processor.c
@@ -27,10 +27,10 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/types.h>
-#include <linux/syscore_ops.h>
 #include <linux/acpi.h>
 #include <acpi/processor.h>
 #include <xen/xen.h>
+#include <xen/xen-ops.h>
 #include <xen/interface/platform.h>
 #include <asm/xen/hypercall.h>
 
@@ -495,14 +495,15 @@ static int xen_upload_processor_pm_data(void)
 	return rc;
 }
 
-static void xen_acpi_processor_resume(void)
+static int xen_acpi_processor_resume(struct notifier_block *nb,
+				     unsigned long action, void *data)
 {
 	bitmap_zero(acpi_ids_done, nr_acpi_bits);
-	xen_upload_processor_pm_data();
+	return xen_upload_processor_pm_data();
 }
 
-static struct syscore_ops xap_syscore_ops = {
-	.resume	= xen_acpi_processor_resume,
+struct notifier_block xen_acpi_processor_resume_nb = {
+	.notifier_call = xen_acpi_processor_resume,
 };
 
 static int __init xen_acpi_processor_init(void)
@@ -555,7 +556,7 @@ static int __init xen_acpi_processor_init(void)
 	if (rc)
 		goto err_unregister;
 
-	register_syscore_ops(&xap_syscore_ops);
+	xen_resume_notifier_register(&xen_acpi_processor_resume_nb);
 
 	return 0;
 err_unregister:
@@ -574,7 +575,7 @@ static void __exit xen_acpi_processor_exit(void)
 {
 	int i;
 
-	unregister_syscore_ops(&xap_syscore_ops);
+	xen_resume_notifier_unregister(&xen_acpi_processor_resume_nb);
 	kfree(acpi_ids_done);
 	kfree(acpi_id_present);
 	kfree(acpi_id_cst_present);