From: Alexei Starovoitov Date: Wed, 13 Nov 2024 01:13:47 +0000 (-0800) Subject: Merge branch 'add-kernel-symbol-for-struct_ops-trampoline' X-Git-Tag: v6.13-rc1~136^2~13 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=faadc69af1ef68f2820fc29c874a42f1da2685f9;p=thirdparty%2Fkernel%2Fstable.git Merge branch 'add-kernel-symbol-for-struct_ops-trampoline' Xu Kuohai says: ==================== Add kernel symbol for struct_ops trampoline. Without kernel symbol for struct_ops trampoline, the unwinder may produce unexpected stacktraces. For example, the x86 ORC and FP unwinder stops stacktrace on a struct_ops trampoline address since there is no kernel symbol for the address. v4: - Add a separate cleanup patch to remove unused member rcu from bpf_struct_ops_map (patch 1) - Use funcs_cnt instead of btf_type_vlen(vt) for links memory calculation in .map_mem_usage (patch 2) - Include ksyms[] memory in map_mem_usage (patch 3) - Various fixes in patch 3 (Thanks to Martin) v3: https://lore.kernel.org/bpf/20241111121641.2679885-1-xukuohai@huaweicloud.com/ - Add a separate cleanup patch to replace links_cnt with funcs_cnt - Allocate ksyms on-demand in update_elem() to stay with the links allocation way - Set ksym name to prog___ v2: https://lore.kernel.org/bpf/20241101111948.1570547-1-xukuohai@huaweicloud.com/ - Refine the commit message for clarity and fix a test bot warning v1: https://lore.kernel.org/bpf/20241030111533.907289-1-xukuohai@huaweicloud.com/ ==================== Reviewed-by: Martin KaFai Lau Link: https://lore.kernel.org/r/20241112145849.3436772-1-xukuohai@huaweicloud.com Signed-off-by: Alexei Starovoitov --- faadc69af1ef68f2820fc29c874a42f1da2685f9