kernel/linux.git/drivers/vhost/test.c, branch v7.0-rc7

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-22T01:09:51+00:00

This was done entirely with mindless brute force, using git grep -l '\

treewide: Replace kmalloc with kmalloc_obj for non-scalar types

2026-02-21T09:02:28+00:00

This is the result of running the Coccinelle script from scripts/coccinelle/api/kmalloc_objs.cocci. The script is designed to avoid scalar types (which need careful case-by-case checking), and instead replace kmalloc-family calls that allocate struct or union object instances: Single allocations: kmalloc(sizeof(TYPE), ...) are replaced with: kmalloc_obj(TYPE, ...) Array allocations: kmalloc_array(COUNT, sizeof(TYPE), ...) are replaced with: kmalloc_objs(TYPE, COUNT, ...) Flex array allocations: kmalloc(struct_size(PTR, FAM, COUNT), ...) are replaced with: kmalloc_flex(*PTR, FAM, COUNT, ...) (where TYPE may also be *VAR) The resulting allocations no longer return "void *", instead returning "TYPE *". Signed-off-by: Kees Cook

vhost: switch to arrays of feature bits

2025-11-30T23:02:43+00:00

The current interface where caller has to know in which 64 bit chunk each bit is, is inelegant and fragile. Let's simply use arrays of bits. By using unroll macros text size grows only slightly. Message-ID: <637e182e139980e5930d50b928ba5ac072d628a9.1764225384.git.mst@redhat.com> Signed-off-by: Michael S. Tsirkin

vhost/test: add test specific macro for features

2025-11-27T07:03:07+00:00

test just uses vhost features with no change, but people tend to copy/paste code, so let's add our own define. Message-ID: <23ca04512a800ee8b3594482492e536020931340.1764225384.git.mst@redhat.com> Signed-off-by: Michael S. Tsirkin

vhost-test: remove meaningless debug info

2023-02-21T00:26:58+00:00

remove printk as it is meaningless. Signed-off-by: Liming Wu Message-Id: <20230105070357.274-1-liming.wu@jaguarmicro.com> Signed-off-by: Michael S. Tsirkin Acked-by: Jason Wang

vhost: rename vhost_work_dev_flush

2022-05-31T16:45:10+00:00

This patch renames vhost_work_dev_flush to just vhost_dev_flush to relfect that it flushes everything on the device and that drivers don't know/care that polls are based on vhost_works. Drivers just flush the entire device and polls, and works for vhost-scsi management TMFs and IO net virtqueues, etc all are flushed. Signed-off-by: Mike Christie Acked-by: Jason Wang Reviewed-by: Stefano Garzarella Message-Id: <20220517180850.198915-9-michael.christie@oracle.com> Signed-off-by: Michael S. Tsirkin

vhost-test: drop flush after vhost_dev_cleanup

2022-05-31T16:45:10+00:00

The flush after vhost_dev_cleanup is not needed because: 1. It doesn't do anything. vhost_dev_cleanup will stop the worker thread so the flush call will just return since the worker has not device. 2. It's not needed. The comment about jobs re-queueing themselves does not look correct because handle_vq does not requeue work. Signed-off-by: Mike Christie Acked-by: Jason Wang Message-Id: <20220517180850.198915-8-michael.christie@oracle.com> Signed-off-by: Michael S. Tsirkin

vhost_test: remove vhost_test_flush_vq()

2022-05-31T16:45:10+00:00

vhost_test_flush_vq() just a simple wrapper around vhost_work_dev_flush() which seems have no value. It's just easier to call vhost_work_dev_flush() directly. Besides there is no point in obtaining vhost_dev pointer via 'n->vqs[index].poll.dev' while we can just use &n->dev. It's the same pointers, see vhost_test_open()/vhost_dev_init(). Signed-off-by: Andrey Ryabinin Signed-off-by: Mike Christie Reviewed-by: Chaitanya Kulkarni Acked-by: Jason Wang Message-Id: <20220517180850.198915-5-michael.christie@oracle.com> Signed-off-by: Michael S. Tsirkin Reviewed-by: Stefano Garzarella

vhost: get rid of vhost_poll_flush() wrapper

2022-05-31T16:45:10+00:00

vhost_poll_flush() is a simple wrapper around vhost_work_dev_flush(). It gives wrong impression that we are doing some work over vhost_poll, while in fact it flushes vhost_poll->dev. It only complicate understanding of the code and leads to mistakes like flushing the same vhost_dev several times in a row. Just remove vhost_poll_flush() and call vhost_work_dev_flush() directly. Signed-off-by: Andrey Ryabinin [merge vhost_poll_flush removal from Stefano Garzarella] Signed-off-by: Mike Christie Reviewed-by: Chaitanya Kulkarni Acked-by: Jason Wang Reviewed-by: Stefano Garzarella Message-Id: <20220517180850.198915-2-michael.christie@oracle.com> Signed-off-by: Michael S. Tsirkin

vhost/test: fix memory leak of vhost virtqueues

2022-01-14T23:50:53+00:00

We need free the vqs in .release(), which are allocated in .open(). Signed-off-by: Xianting Tian Link: https://lore.kernel.org/r/20211228030924.3468439-1-xianting.tian@linux.alibaba.com Signed-off-by: Michael S. Tsirkin Acked-by: Jason Wang