From mboxrd@z Thu Jan 1 00:00:00 1970 From: Song Liu Subject: [PATCH bpf 0/3] show more accurrate bpf program address Date: Thu, 1 Nov 2018 00:00:55 -0700 Message-ID: <20181101070058.2760251-1-songliubraving@fb.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , Song Liu , , , To: Return-path: Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:59022 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727814AbeKAQCv (ORCPT ); Thu, 1 Nov 2018 12:02:51 -0400 Received: from pps.filterd (m0044010.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id wA16sV8W003296 for ; Thu, 1 Nov 2018 00:01:09 -0700 Received: from mail.thefacebook.com ([199.201.64.23]) by mx0a-00082601.pphosted.com with ESMTP id 2nfvkd80hn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT) for ; Thu, 01 Nov 2018 00:01:09 -0700 Sender: netdev-owner@vger.kernel.org List-ID: This set improves bpf program address showed in /proc/kallsyms and in bpf_prog_info. First, real program address is showed instead of page address. Second, when there is no subprogram, bpf_prog_info->jited_ksyms returns the main prog address. Song Liu (3): bpf: show real jited prog address in /proc/kallsyms bpf: show real jited address in bpf_prog_info->jited_ksyms bpf: show main program address in bpf_prog_info->jited_ksyms kernel/bpf/core.c | 4 +--- kernel/bpf/syscall.c | 17 ++++++++++++----- 2 files changed, 13 insertions(+), 8 deletions(-)