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selftests/bpf: Remove test_access_variable_array

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test_access_variable_array relied on accessing struct sched_domain::span
to validate variable-length array handling via BTF. Recent scheduler
refactoring removed or hid this field, causing the test
to fail to build.

Given that this test depends on internal scheduler structures that are
subject to refactoring, and equivalent variable-length array coverage
already exists via bpf_testmod-based tests, remove
test_access_variable_array entirely.

Link: https://lore.kernel.org/all/177434340048.1647592.8586759362906719839.tip-bot2@tip-bot2/

Signed-off-by: Venkat Rao Bagalkote <venkat88@linux.ibm.com>
Tested-by: Naveen Kumar Thummalapenta <naveen66@linux.ibm.com>
Link: https://lore.kernel.org/r/20260410105404.91126-1-venkat88@linux.ibm.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Venkat Rao Bagalkote 2026-04-10 16:24:04 +05:30 committed by Alexei Starovoitov
parent 4406942e65
commit aacee214d5
2 changed files with 0 additions and 35 deletions
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16
tools/testing/selftests/bpf/prog_tests/access_variable_array.c
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@ -1,16 +0,0 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2022 Bytedance */
#include <test_progs.h>
#include "test_access_variable_array.skel.h"
void test_access_variable_array(void)
{
struct test_access_variable_array *skel;
skel = test_access_variable_array__open_and_load();
if (!ASSERT_OK_PTR(skel, "test_access_variable_array__open_and_load"))
return;
test_access_variable_array__destroy(skel);
}

19
tools/testing/selftests/bpf/progs/test_access_variable_array.c
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@ -1,19 +0,0 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2023 Bytedance */
#include "vmlinux.h"
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
unsigned long span = 0;
SEC("fentry/sched_balance_rq")
int BPF_PROG(fentry_fentry, int this_cpu, struct rq *this_rq,
struct sched_domain *sd)
{
span = sd->span[0];
return 0;
}
char _license[] SEC("license") = "GPL";