* [PATCH bpf-next] bpf: Fix build error in case of !CONFIG_DEBUG_INFO_BTF
@ 2022-07-22 11:36 Kumar Kartikeya Dwivedi
2022-07-22 12:40 ` Jiri Olsa
2022-07-22 16:10 ` patchwork-bot+netdevbpf
0 siblings, 2 replies; 3+ messages in thread
From: Kumar Kartikeya Dwivedi @ 2022-07-22 11:36 UTC (permalink / raw)
To: bpf
Cc: kernel test robot, Alexei Starovoitov, Andrii Nakryiko, Daniel Borkmann
BTF_ID_FLAGS macro needs to be able to take 0 or 1 args, so make it a
variable argument. BTF_SET8_END is incorrect, it should just be empty.
Reported-by: kernel test robot <lkp@intel.com>
Fixes: ab21d6063c01 ("bpf: Introduce 8-byte BTF set")
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
---
include/linux/btf_ids.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/btf_ids.h b/include/linux/btf_ids.h
index 3cb0741e71d7..2aea877d644f 100644
--- a/include/linux/btf_ids.h
+++ b/include/linux/btf_ids.h
@@ -206,7 +206,7 @@ extern struct btf_id_set8 name;
#define BTF_ID_LIST(name) static u32 __maybe_unused name[5];
#define BTF_ID(prefix, name)
-#define BTF_ID_FLAGS(prefix, name, flags)
+#define BTF_ID_FLAGS(prefix, name, ...)
#define BTF_ID_UNUSED
#define BTF_ID_LIST_GLOBAL(name, n) u32 __maybe_unused name[n];
#define BTF_ID_LIST_SINGLE(name, prefix, typename) static u32 __maybe_unused name[1];
@@ -215,7 +215,7 @@ extern struct btf_id_set8 name;
#define BTF_SET_START_GLOBAL(name) static struct btf_id_set __maybe_unused name = { 0 };
#define BTF_SET_END(name)
#define BTF_SET8_START(name) static struct btf_id_set8 __maybe_unused name = { 0 };
-#define BTF_SET8_END(name) static struct btf_id_set8 __maybe_unused name = { 0 };
+#define BTF_SET8_END(name)
#endif /* CONFIG_DEBUG_INFO_BTF */
--
2.34.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH bpf-next] bpf: Fix build error in case of !CONFIG_DEBUG_INFO_BTF
2022-07-22 11:36 [PATCH bpf-next] bpf: Fix build error in case of !CONFIG_DEBUG_INFO_BTF Kumar Kartikeya Dwivedi
@ 2022-07-22 12:40 ` Jiri Olsa
2022-07-22 16:10 ` patchwork-bot+netdevbpf
1 sibling, 0 replies; 3+ messages in thread
From: Jiri Olsa @ 2022-07-22 12:40 UTC (permalink / raw)
To: Kumar Kartikeya Dwivedi
Cc: bpf, kernel test robot, Alexei Starovoitov, Andrii Nakryiko,
Daniel Borkmann
On Fri, Jul 22, 2022 at 01:36:05PM +0200, Kumar Kartikeya Dwivedi wrote:
> BTF_ID_FLAGS macro needs to be able to take 0 or 1 args, so make it a
> variable argument. BTF_SET8_END is incorrect, it should just be empty.
>
> Reported-by: kernel test robot <lkp@intel.com>
> Fixes: ab21d6063c01 ("bpf: Introduce 8-byte BTF set")
> Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
jirka
> ---
> include/linux/btf_ids.h | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/include/linux/btf_ids.h b/include/linux/btf_ids.h
> index 3cb0741e71d7..2aea877d644f 100644
> --- a/include/linux/btf_ids.h
> +++ b/include/linux/btf_ids.h
> @@ -206,7 +206,7 @@ extern struct btf_id_set8 name;
>
> #define BTF_ID_LIST(name) static u32 __maybe_unused name[5];
> #define BTF_ID(prefix, name)
> -#define BTF_ID_FLAGS(prefix, name, flags)
> +#define BTF_ID_FLAGS(prefix, name, ...)
> #define BTF_ID_UNUSED
> #define BTF_ID_LIST_GLOBAL(name, n) u32 __maybe_unused name[n];
> #define BTF_ID_LIST_SINGLE(name, prefix, typename) static u32 __maybe_unused name[1];
> @@ -215,7 +215,7 @@ extern struct btf_id_set8 name;
> #define BTF_SET_START_GLOBAL(name) static struct btf_id_set __maybe_unused name = { 0 };
> #define BTF_SET_END(name)
> #define BTF_SET8_START(name) static struct btf_id_set8 __maybe_unused name = { 0 };
> -#define BTF_SET8_END(name) static struct btf_id_set8 __maybe_unused name = { 0 };
> +#define BTF_SET8_END(name)
>
> #endif /* CONFIG_DEBUG_INFO_BTF */
>
> --
> 2.34.1
>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH bpf-next] bpf: Fix build error in case of !CONFIG_DEBUG_INFO_BTF
2022-07-22 11:36 [PATCH bpf-next] bpf: Fix build error in case of !CONFIG_DEBUG_INFO_BTF Kumar Kartikeya Dwivedi
2022-07-22 12:40 ` Jiri Olsa
@ 2022-07-22 16:10 ` patchwork-bot+netdevbpf
1 sibling, 0 replies; 3+ messages in thread
From: patchwork-bot+netdevbpf @ 2022-07-22 16:10 UTC (permalink / raw)
To: Kumar Kartikeya Dwivedi; +Cc: bpf, lkp, ast, andrii, daniel
Hello:
This patch was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@kernel.org>:
On Fri, 22 Jul 2022 13:36:05 +0200 you wrote:
> BTF_ID_FLAGS macro needs to be able to take 0 or 1 args, so make it a
> variable argument. BTF_SET8_END is incorrect, it should just be empty.
>
> Reported-by: kernel test robot <lkp@intel.com>
> Fixes: ab21d6063c01 ("bpf: Introduce 8-byte BTF set")
> Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
>
> [...]
Here is the summary with links:
- [bpf-next] bpf: Fix build error in case of !CONFIG_DEBUG_INFO_BTF
https://git.kernel.org/bpf/bpf-next/c/e42341437586
You are awesome, thank you!
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2022-07-22 11:36 [PATCH bpf-next] bpf: Fix build error in case of !CONFIG_DEBUG_INFO_BTF Kumar Kartikeya Dwivedi
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2022-07-22 16:10 ` patchwork-bot+netdevbpf
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