Natanael Copa ncopa@alpinelinux.org wrote:

Include the header that defines u32.

Fixes: 9707ac4fe2f5 ("tools/resolve_btfids: Refactor set sorting with types from btf_ids.h") Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218647

Tested-by: Greg Thelen gthelen@google.com

Cc: stable@vger.kernel.org Signed-off-by: Natanael Copa ncopa@alpinelinux.org

---

This fixes build of 6.6.23 and 6.1.83 kernels for Alpine Linux, which uses musl libc. I assume that GNU libc indirecly pulls in linux/types.h.

tools/include/linux/btf_ids.h | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/tools/include/linux/btf_ids.h b/tools/include/linux/btf_ids.h index 72535f00572f..72ea363d434d 100644 --- a/tools/include/linux/btf_ids.h +++ b/tools/include/linux/btf_ids.h @@ -3,6 +3,8 @@ #ifndef _LINUX_BTF_IDS_H #define _LINUX_BTF_IDS_H

+#include <linux/types.h> /* for u32 */

• struct btf_id_set { u32 cnt; u32 ids[];