linux-kernel - [RFC 1/7] vhost: Add a new module

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Message-ID: <20240819092851.441670-2-lulu@redhat.com>
Date: Mon, 19 Aug 2024 17:27:27 +0800
From: Cindy Lu <lulu@...hat.com>
To: lulu@...hat.com,
	jasowang@...hat.com,
	mst@...hat.com,
	linux-kernel@...r.kernel.org,
	virtualization@...ts.linux-foundation.org
Subject: [RFC 1/7] vhost: Add a new module_param for enable kthread

Add a new module parameter to enable kthread while loading modules.
This parameter will identify if the vhost will use kthread or a task.
The default value will be true.

Signed-off-by: Cindy Lu <lulu@...hat.com>
---
 drivers/vhost/vhost.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 9ac25d08f473..da701f6b3f2c 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -41,6 +41,9 @@ static int max_iotlb_entries = 2048;
 module_param(max_iotlb_entries, int, 0444);
 MODULE_PARM_DESC(max_iotlb_entries,
 	"Maximum number of iotlb entries. (default: 2048)");
+bool use_kthread = true;
+module_param(use_kthread, bool, 0444);
+MODULE_PARM_DESC(use_kthread, "enable vhost to use kthread (default: Y)");
 
 enum {
 	VHOST_MEMORY_F_LOG = 0x1,
-- 
2.45.0