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| author | Takashi Iwai <tiwai@suse.de> | 2025-11-27 07:19:59 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2025-11-27 07:19:59 +0100 |
| commit | d01a3aad7f2c183152dec02202aa1d23ee02556c (patch) | |
| tree | 62947b128848602f6c543e05dad2a078d2c117b2 /tools/testing/selftests/bpf/progs/livepatch_trampoline.c | |
| parent | d041e5e748f926398ad96436a86667dea8b591e0 (diff) | |
| parent | 73b97d46dde64fa184d47865d4a532d818c3a007 (diff) | |
Merge tag 'asoc-fix-v6.18-rc7' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.18
A small pile of driver specific fixes that came in during the past few
weeks, none of them especially major.
Diffstat (limited to 'tools/testing/selftests/bpf/progs/livepatch_trampoline.c')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/livepatch_trampoline.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/livepatch_trampoline.c b/tools/testing/selftests/bpf/progs/livepatch_trampoline.c new file mode 100644 index 000000000000..15579d5bcd91 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/livepatch_trampoline.c @@ -0,0 +1,30 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2025 Meta Platforms, Inc. and affiliates. */ + +#include <linux/bpf.h> +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_tracing.h> + +int fentry_hit; +int fexit_hit; +int my_pid; + +SEC("fentry/cmdline_proc_show") +int BPF_PROG(fentry_cmdline) +{ + if (my_pid != (bpf_get_current_pid_tgid() >> 32)) + return 0; + + fentry_hit = 1; + return 0; +} + +SEC("fexit/cmdline_proc_show") +int BPF_PROG(fexit_cmdline) +{ + if (my_pid != (bpf_get_current_pid_tgid() >> 32)) + return 0; + + fexit_hit = 1; + return 0; +} |