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4f7f417042
Fix incompatible function pointer type warnings in sched_ext BPF selftests by explicitly casting the function pointers when initializing struct_ops. This addresses multiple -Wincompatible-function-pointer-types warnings from the clang compiler where function signatures didn't match exactly. The void * cast ensures the compiler accepts the function pointer assignment despite minor type differences in the parameters. Signed-off-by: Vishal Chourasia <vishalc@linux.ibm.com> Signed-off-by: Tejun Heo <tj@kernel.org>
43 lines
1.0 KiB
C
43 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2024 Meta Platforms, Inc. and affiliates.
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* Copyright (c) 2024 David Vernet <dvernet@meta.com>
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* Copyright (c) 2024 Tejun Heo <tj@kernel.org>
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*/
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#include <scx/common.bpf.h>
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char _license[] SEC("license") = "GPL";
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UEI_DEFINE(uei);
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s32 BPF_STRUCT_OPS(ddsp_bogus_dsq_fail_select_cpu, struct task_struct *p,
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s32 prev_cpu, u64 wake_flags)
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{
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s32 cpu = scx_bpf_pick_idle_cpu(p->cpus_ptr, 0);
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if (cpu >= 0) {
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/*
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* If we dispatch to a bogus DSQ that will fall back to the
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* builtin global DSQ, we fail gracefully.
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*/
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scx_bpf_dispatch_vtime(p, 0xcafef00d, SCX_SLICE_DFL,
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p->scx.dsq_vtime, 0);
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return cpu;
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}
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return prev_cpu;
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}
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void BPF_STRUCT_OPS(ddsp_bogus_dsq_fail_exit, struct scx_exit_info *ei)
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{
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UEI_RECORD(uei, ei);
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}
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SEC(".struct_ops.link")
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struct sched_ext_ops ddsp_bogus_dsq_fail_ops = {
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.select_cpu = (void *) ddsp_bogus_dsq_fail_select_cpu,
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.exit = (void *) ddsp_bogus_dsq_fail_exit,
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.name = "ddsp_bogus_dsq_fail",
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.timeout_ms = 1000U,
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};
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