From: Andrii Nakryiko Date: Tue, 20 Jul 2021 20:49:25 +0000 (-0700) Subject: Merge branch 'libbpf: btf typed data dumping fixes (__int128 usage, error propagation)' X-Git-Tag: howlett/maple/20220722_2~2449^2~345^2~24 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=807b8f0e24e6004984094e1bcbbd2b297011a085;p=users%2Fjedix%2Flinux-maple.git Merge branch 'libbpf: btf typed data dumping fixes (__int128 usage, error propagation)' Alan Maguire says: ==================== This series aims to resolve further issues with the BTF typed data dumping interfaces in libbpf. Compilation failures with use of __int128 on 32-bit platforms were reported [1]. As a result, the use of __int128 in libbpf typed data dumping is replaced with __u64 usage for bitfield manipulations. In the case of 128-bit integer values, they are simply split into two 64-bit hex values for display (patch 1). Tests are added for __int128 display in patch 2, using conditional compilation to avoid problems with a lack of __int128 support. Patch 3 resolves an issue Andrii noted about error propagation when handling enum data display. More followup work is required to ensure multi-dimensional char array display works correctly. [1] https://lore.kernel.org/bpf/1626362126-27775-1-git-send-email-alan.maguire@oracle.com/T/#mc2cb023acfd6c3cd0b661e385787b76bb757430d Changes since v1: - added error handling for bitfield size > 64 bits by changing function signature for bitfield retrieval to return an int error value and to set bitfield value via a __u64 * argument (Andrii) ==================== Signed-off-by: Andrii Nakryiko --- 807b8f0e24e6004984094e1bcbbd2b297011a085