[Xen-devel] [PATCH 2/3] add IRQF_NO_SUSPEND for 'bind_ipi_to_irqhandler'

[Guanqun Lu <guanqun.lu@xxxxxxxxx>]

This function exports the ipi functionality to kernel,
and the corresponding irq should not be disabled during
host S3 suspend.

Signed-off-by: Guanqun Lu <guanqun.lu@xxxxxxxxx>
---
 drivers/xen/events.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 97f4b39..58606d5 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -532,6 +532,7 @@ int bind_ipi_to_irqhandler(enum ipi_vector ipi,
        if (irq < 0)
                return irq;
 
+       irqflags |= IRQF_NO_SUSPEND;
        retval = request_irq(irq, handler, irqflags, devname, dev_id);
        if (retval != 0) {
                unbind_from_irq(irq);
-- 
1.6.1.rc3


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