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From: Mike Christie <michael.christie@oracle.com>
To: stefanha@redhat.com, jasowang@redhat.com, mst@redhat.com,
	sgarzare@redhat.com, virtualization@lists.linux-foundation.org,
	christian.brauner@ubuntu.com, axboe@kernel.dk,
	linux-kernel@vger.kernel.org
Cc: Mike Christie <michael.christie@oracle.com>
Subject: [PATCH 8/8] vhost: remove cgroup code
Date: Thu, 16 Sep 2021 16:20:51 -0500	[thread overview]
Message-ID: <20210916212051.6918-9-michael.christie@oracle.com> (raw)
In-Reply-To: <20210916212051.6918-1-michael.christie@oracle.com>

We inherit v1 and v2 cgroups from copy_process now, so we can drop the v1
only code.

Signed-off-by: Mike Christie <michael.christie@oracle.com>
---
 drivers/vhost/vhost.c | 26 --------------------------
 1 file changed, 26 deletions(-)

diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 6e58417b13fc..b561c5ea00fc 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -22,7 +22,6 @@
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
 #include <linux/kthread.h>
-#include <linux/cgroup.h>
 #include <linux/module.h>
 #include <linux/sort.h>
 #include <linux/sched/mm.h>
@@ -515,31 +514,6 @@ long vhost_dev_check_owner(struct vhost_dev *dev)
 }
 EXPORT_SYMBOL_GPL(vhost_dev_check_owner);
 
-struct vhost_attach_cgroups_struct {
-	struct vhost_work work;
-	struct task_struct *owner;
-	int ret;
-};
-
-static void vhost_attach_cgroups_work(struct vhost_work *work)
-{
-	struct vhost_attach_cgroups_struct *s;
-
-	s = container_of(work, struct vhost_attach_cgroups_struct, work);
-	s->ret = cgroup_attach_task_all(s->owner, current);
-}
-
-static int vhost_attach_cgroups(struct vhost_dev *dev)
-{
-	struct vhost_attach_cgroups_struct attach;
-
-	attach.owner = current;
-	vhost_work_init(&attach.work, vhost_attach_cgroups_work);
-	vhost_work_queue(dev, &attach.work);
-	vhost_work_dev_flush(dev);
-	return attach.ret;
-}
-
 /* Caller should have device mutex */
 bool vhost_dev_has_owner(struct vhost_dev *dev)
 {
-- 
2.25.1


      parent reply	other threads:[~2021-09-16 21:21 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-16 21:20 [PATCH 0/8] Use copy_process/create_io_thread in vhost layer Mike Christie
2021-09-16 21:20 ` [PATCH 1/8] fork: add helper to clone a process Mike Christie
2021-09-17  6:00   ` Christoph Hellwig
2021-09-17  7:44     ` Christian Brauner
2021-09-17  8:01       ` Christoph Hellwig
2021-09-17  8:43         ` Christian Brauner
2021-09-17  8:48   ` Christian Brauner
2021-09-16 21:20 ` [PATCH 2/8] signal: Export ignore_signals Mike Christie
2021-09-16 21:20 ` [PATCH 3/8] fork: add option to not clone or dup files Mike Christie
2021-09-17  8:54   ` Christian Brauner
2021-09-16 21:20 ` [PATCH 4/8] fork: move PF_IO_WORKER's kernel frame setup to new flag Mike Christie
2021-09-16 21:20 ` [PATCH 5/8] io_uring: switch to kernel_copy_process Mike Christie
2021-09-16 21:20 ` [PATCH 6/8] vhost: move worker thread fields to new struct Mike Christie
2021-09-16 21:20 ` [PATCH 7/8] vhost: use kernel_copy_process to check RLIMITs and inherit cgroups Mike Christie
2021-09-20 20:47   ` kernel test robot
2021-09-16 21:20 ` Mike Christie [this message]

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