diff mbox series

[bpf-next,2/2] bpf: selftests: Do not use generated kfunc prototypes for arena progs

Message ID fc59a617439ceea9ad8dfbb4786843c2169496ae.1718295425.git.dxu@dxuuu.xyz (mailing list archive)
State Accepted
Commit 6a8260147745fe493d733d4e5f9b327da3720905
Delegated to: BPF
Headers show
Series Fixes for kfunc prototype generation | expand

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Commit Message

Daniel Xu June 13, 2024, 4:19 p.m. UTC 
When selftests are built with a new enough clang, the arena selftests
opt-in to use LLVM address_space attribute annotations for arena
pointers.

These annotations are not emitted by kfunc prototype generation. This
causes compilation errors when clang sees conflicting prototypes.

Fix by opting arena selftests out of using generated kfunc prototypes.

Fixes: 770abbb5a25a ("bpftool: Support dumping kfunc prototypes from BTF")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/r/202406131810.c1B8hTm8-lkp@intel.com/
Signed-off-by: Daniel Xu <dxu@dxuuu.xyz>
---
 tools/testing/selftests/bpf/progs/arena_htab.c           | 1 +
 tools/testing/selftests/bpf/progs/arena_list.c           | 1 +
 tools/testing/selftests/bpf/progs/verifier_arena.c       | 1 +
 tools/testing/selftests/bpf/progs/verifier_arena_large.c | 1 +
 4 files changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/tools/testing/selftests/bpf/progs/arena_htab.c b/tools/testing/selftests/bpf/progs/arena_htab.c
index 1e6ac187a6a0..cf938cf8c11e 100644
--- a/tools/testing/selftests/bpf/progs/arena_htab.c
+++ b/tools/testing/selftests/bpf/progs/arena_htab.c
@@ -1,5 +1,6 @@ 
 // SPDX-License-Identifier: GPL-2.0
 /* Copyright (c) 2024 Meta Platforms, Inc. and affiliates. */
+#define BPF_NO_KFUNC_PROTOTYPES
 #include <vmlinux.h>
 #include <bpf/bpf_helpers.h>
 #include <bpf/bpf_tracing.h>
diff --git a/tools/testing/selftests/bpf/progs/arena_list.c b/tools/testing/selftests/bpf/progs/arena_list.c
index 93bd0600eba0..3a2ddcacbea6 100644
--- a/tools/testing/selftests/bpf/progs/arena_list.c
+++ b/tools/testing/selftests/bpf/progs/arena_list.c
@@ -1,5 +1,6 @@ 
 // SPDX-License-Identifier: GPL-2.0
 /* Copyright (c) 2024 Meta Platforms, Inc. and affiliates. */
+#define BPF_NO_KFUNC_PROTOTYPES
 #include <vmlinux.h>
 #include <bpf/bpf_helpers.h>
 #include <bpf/bpf_tracing.h>
diff --git a/tools/testing/selftests/bpf/progs/verifier_arena.c b/tools/testing/selftests/bpf/progs/verifier_arena.c
index 93144ae6df74..67509c5d3982 100644
--- a/tools/testing/selftests/bpf/progs/verifier_arena.c
+++ b/tools/testing/selftests/bpf/progs/verifier_arena.c
@@ -1,6 +1,7 @@ 
 // SPDX-License-Identifier: GPL-2.0
 /* Copyright (c) 2024 Meta Platforms, Inc. and affiliates. */
 
+#define BPF_NO_KFUNC_PROTOTYPES
 #include <vmlinux.h>
 #include <bpf/bpf_helpers.h>
 #include <bpf/bpf_tracing.h>
diff --git a/tools/testing/selftests/bpf/progs/verifier_arena_large.c b/tools/testing/selftests/bpf/progs/verifier_arena_large.c
index ef66ea460264..6065f862d964 100644
--- a/tools/testing/selftests/bpf/progs/verifier_arena_large.c
+++ b/tools/testing/selftests/bpf/progs/verifier_arena_large.c
@@ -1,6 +1,7 @@ 
 // SPDX-License-Identifier: GPL-2.0
 /* Copyright (c) 2024 Meta Platforms, Inc. and affiliates. */
 
+#define BPF_NO_KFUNC_PROTOTYPES
 #include <vmlinux.h>
 #include <bpf/bpf_helpers.h>
 #include <bpf/bpf_tracing.h>