linux-kernel - [PATCH] vfio-mdev: send KOBJ_CHANGE event after creating mdev sysfs files

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Message-ID: <1517534946-49165-1-git-send-email-cordius.wu@huawei.com>
Date:   Fri, 2 Feb 2018 09:29:06 +0800
From:   Wu Zongyong <cordius.wu@...wei.com>
To:     <kvm@...r.kernel.org>
CC:     <kwankhede@...dia.com>, <alex.williamson@...hat.com>,
        <linux-kernel@...r.kernel.org>, <weijinfen@...wei.com>,
        <wanzongshun@...wei.com>
Subject: [PATCH] vfio-mdev: send KOBJ_CHANGE event after creating mdev sysfs files

Like SR-IOV, driver should notify that sysfs files like some attrs or
symbol links after cretation finished.

Signed-off-by: Wu Zongyong <cordius.wu@...wei.com>
---
 drivers/vfio/mdev/mdev_core.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/vfio/mdev/mdev_core.c b/drivers/vfio/mdev/mdev_core.c
index 1269910..64cc808 100644
--- a/drivers/vfio/mdev/mdev_core.c
+++ b/drivers/vfio/mdev/mdev_core.c
@@ -351,6 +351,8 @@ int mdev_device_create(struct kobject *kobj, struct device *dev, uuid_le uuid)
 		goto create_failed;
 	}
 
+	kobject_uevent(&(mdev->dev.kobj), KOBJ_CHANGE);
+
 	mdev->type_kobj = kobj;
 	dev_dbg(&mdev->dev, "MDEV: created\n");
 
-- 
1.9.1