From patchwork Mon Mar 1 16:04:49 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 389324 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 522E5C433DB for ; Mon, 1 Mar 2021 19:50:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 039B764DE3 for ; Mon, 1 Mar 2021 19:50:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241055AbhCATuX (ORCPT ); Mon, 1 Mar 2021 14:50:23 -0500 Received: from mail.kernel.org ([198.145.29.99]:53020 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241626AbhCATlU (ORCPT ); Mon, 1 Mar 2021 14:41:20 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 4E6EA65150; Mon, 1 Mar 2021 17:05:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1614618309; bh=PBzJUNwNOjo/WPR9nCD7feykmsnzuCuGOb7tqvWFaWk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JrmHQKhNt5nE07hK2qHWTmh5C5hhdqMtddNPzDxTtbDW7WwaXMj1voVMrbLGJYroP opcZCPqx/D7U29sEVUg0tT+uXcGYHRCzUjHpR1WQJ/tnl3OJGbn6aUtuoN1OQBYR5+ Tn8vicrHbi7U+3X9BiWdJlTS/+k+8CO64XgKyR4g= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, kernel test robot , Andrii Nakryiko , Alexei Starovoitov , Yonghong Song , Sasha Levin Subject: [PATCH 5.10 041/663] bpf: Add bpf_patch_call_args prototype to include/linux/bpf.h Date: Mon, 1 Mar 2021 17:04:49 +0100 Message-Id: <20210301161143.807463242@linuxfoundation.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210301161141.760350206@linuxfoundation.org> References: <20210301161141.760350206@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Andrii Nakryiko [ Upstream commit a643bff752dcf72a07e1b2ab2f8587e4f51118be ] Add bpf_patch_call_args() prototype. This function is called from BPF verifier and only if CONFIG_BPF_JIT_ALWAYS_ON is not defined. This fixes compiler warning about missing prototype in some kernel configurations. Fixes: 1ea47e01ad6e ("bpf: add support for bpf_call to interpreter") Reported-by: kernel test robot Signed-off-by: Andrii Nakryiko Signed-off-by: Alexei Starovoitov Acked-by: Yonghong Song Link: https://lore.kernel.org/bpf/20210112075520.4103414-2-andrii@kernel.org Signed-off-by: Sasha Levin --- include/linux/bpf.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 2b16bf48aab61..642ce03f19c4c 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -1371,7 +1371,10 @@ static inline void bpf_long_memcpy(void *dst, const void *src, u32 size) /* verify correctness of eBPF program */ int bpf_check(struct bpf_prog **fp, union bpf_attr *attr, union bpf_attr __user *uattr); + +#ifndef CONFIG_BPF_JIT_ALWAYS_ON void bpf_patch_call_args(struct bpf_insn *insn, u32 stack_depth); +#endif struct btf *bpf_get_btf_vmlinux(void);