From: Stephen Hemminger <stephen@networkplumber.org>
Date: Thu, 4 Jan 2018 22:13:31 +0000 (-0800)
Subject: uio_hv_generic: use ISR callback method
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=2141a8457f16bac72ef4b4c38885612d1f2232cb;p=linux.git

uio_hv_generic: use ISR callback method

The UIO IRQ handler doesn't need to be called from a tasklet.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/uio/uio_hv_generic.c b/drivers/uio/uio_hv_generic.c
index 8d5f529a1dc1a..a0c4c07a907f7 100644
--- a/drivers/uio/uio_hv_generic.c
+++ b/drivers/uio/uio_hv_generic.c
@@ -109,7 +109,7 @@ hv_uio_probe(struct hv_device *dev,
 		goto fail;
 
 	dev->channel->inbound.ring_buffer->interrupt_mask = 1;
-	set_channel_read_mode(dev->channel, HV_CALL_DIRECT);
+	set_channel_read_mode(dev->channel, HV_CALL_ISR);
 
 	/* Fill general uio info */
 	pdata->info.name = "uio_hv_generic";