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bpf-for-netdev

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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf

Alexei Starovoitov says:

====================
pull-request: bpf 2022-10-23

We've added 7 non-merge commits during the last 18 day(s) which contain
a total of 8 files changed, 69 insertions(+), 5 deletions(-).

The main changes are:

1) Wait for busy refill_work when destroying bpf memory allocator, from Hou.

2) Allow bpf_user_ringbuf_drain() callbacks to return 1, from David.

3) Fix dispatcher patchable function entry to 5 bytes nop, from Jiri.

4) Prevent decl_tag from being referenced in func_proto, from Stanislav.

* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
  bpf: Use __llist_del_all() whenever possbile during memory draining
  bpf: Wait for busy refill_work when destroying bpf memory allocator
  bpf: Fix dispatcher patchable function entry to 5 bytes nop
  bpf: prevent decl_tag from being referenced in func_proto
  selftests/bpf: Add reproducer for decl_tag in func_proto return type
  selftests/bpf: Make bpf_user_ringbuf_drain() selftest callback return 1
  bpf: Allow bpf_user_ringbuf_drain() callbacks to return 1
====================

Link: https://lore.kernel.org/r/20221023192244.81137-1-alexei.starovoitov@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2022-10-24 10:32:00 -07:00
commit e28c44450b
8 changed files with 69 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

13
tools/testing/selftests/bpf/prog_tests/btf.c
View file

@ -3935,6 +3935,19 @@ static struct btf_raw_test raw_tests[] = {
.btf_load_err = true,
.err_str = "Invalid type_id",
},
{
.descr = "decl_tag test #16, func proto, return type",
.raw_types = {
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */
BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 0, 0), 2), (-1), /* [3] */
BTF_FUNC_PROTO_ENC(3, 0), /* [4] */
BTF_END_RAW,
},
BTF_STR_SEC("\0local\0tag1"),
.btf_load_err = true,
.err_str = "Invalid return type",
},
{
.descr = "type_tag test #1",
.raw_types = {

4
tools/testing/selftests/bpf/progs/user_ringbuf_success.c
View file

@ -47,14 +47,14 @@ record_sample(struct bpf_dynptr *dynptr, void *context)
if (status) {
bpf_printk("bpf_dynptr_read() failed: %d\n", status);
err = 1;
return 0;
return 1;
}
} else {
sample = bpf_dynptr_data(dynptr, 0, sizeof(*sample));
if (!sample) {
bpf_printk("Unexpectedly failed to get sample\n");
err = 2;
return 0;
return 1;
}
stack_sample = *sample;
}