[Xen-devel] [PATCH] unmodified_drivers: handle IRQF_SAMPLE_RANDOM

[Olaf Hering <olaf@xxxxxxxxx>]

# HG changeset patch
# User Olaf Hering <olaf@xxxxxxxxx>
# Date 1347038133 -7200
# Node ID bfa53b123b12884aa564a47104ad1373d8d16157
# Parent  bb85bbccb1c9d802c92dd3fe00841368966ff623
unmodified_drivers: handle IRQF_SAMPLE_RANDOM

The flag IRQF_SAMPLE_RANDOM was removed in 3.6-rc1. Add it only if it is
defined. An additional call to add_interrupt_randomness is appearently
not needed because its now called unconditionally in
handle_irq_event_percpu().

Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>

diff -r bb85bbccb1c9 -r bfa53b123b12 
unmodified_drivers/linux-2.6/platform-pci/evtchn.c
--- a/unmodified_drivers/linux-2.6/platform-pci/evtchn.c
+++ b/unmodified_drivers/linux-2.6/platform-pci/evtchn.c
@@ -350,7 +350,11 @@ int xen_irq_init(struct pci_dev *pdev)
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22)
                           SA_SHIRQ | SA_SAMPLE_RANDOM | SA_INTERRUPT,
 #else
-                          IRQF_SHARED | IRQF_SAMPLE_RANDOM | IRQF_DISABLED,
+                          IRQF_SHARED |
+#ifdef IRQF_SAMPLE_RANDOM
+                          IRQF_SAMPLE_RANDOM |
+#endif
+                          IRQF_DISABLED,
 #endif
                           "xen-platform-pci", pdev);
 }

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