diff options
author | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2024-04-02 08:17:13 -0400 |
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committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2024-04-02 08:17:13 -0400 |
commit | 5add703f6acad1c63f8a532b6de56e50d548e904 (patch) | |
tree | be39a82716119cd8b7cf7e2734baf8cd9a80ceb7 /tools/testing/selftests/bpf/progs/test_spin_lock_fail.c | |
parent | 71cdfa8cad300caa7afcbba09776bbc8dcfa9e39 (diff) | |
parent | 39cd87c4eb2b893354f3b850f916353f2658ae6f (diff) |
Merge drm/drm-next into drm-intel-next
Catching up on 6.9-rc2
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_spin_lock_fail.c')
-rw-r--r-- | tools/testing/selftests/bpf/progs/test_spin_lock_fail.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_spin_lock_fail.c b/tools/testing/selftests/bpf/progs/test_spin_lock_fail.c index 86cd183ef6dc..43f40c4fe241 100644 --- a/tools/testing/selftests/bpf/progs/test_spin_lock_fail.c +++ b/tools/testing/selftests/bpf/progs/test_spin_lock_fail.c @@ -201,4 +201,48 @@ CHECK(innermapval_mapval, &iv->lock, &v->lock); #undef CHECK +__noinline +int global_subprog(struct __sk_buff *ctx) +{ + volatile int ret = 0; + + if (ctx->protocol) + ret += ctx->protocol; + return ret + ctx->mark; +} + +__noinline +static int static_subprog_call_global(struct __sk_buff *ctx) +{ + volatile int ret = 0; + + if (ctx->protocol) + return ret; + return ret + ctx->len + global_subprog(ctx); +} + +SEC("?tc") +int lock_global_subprog_call1(struct __sk_buff *ctx) +{ + int ret = 0; + + bpf_spin_lock(&lockA); + if (ctx->mark == 42) + ret = global_subprog(ctx); + bpf_spin_unlock(&lockA); + return ret; +} + +SEC("?tc") +int lock_global_subprog_call2(struct __sk_buff *ctx) +{ + int ret = 0; + + bpf_spin_lock(&lockA); + if (ctx->mark == 42) + ret = static_subprog_call_global(ctx); + bpf_spin_unlock(&lockA); + return ret; +} + char _license[] SEC("license") = "GPL"; |