From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9BD7FC4332F for ; Fri, 1 Apr 2022 14:34:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347808AbiDAOgK (ORCPT ); Fri, 1 Apr 2022 10:36:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38690 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347402AbiDAOcb (ORCPT ); Fri, 1 Apr 2022 10:32:31 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 214851EB83E; Fri, 1 Apr 2022 07:28:54 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id CCA1DB824AF; Fri, 1 Apr 2022 14:28:52 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3B315C34114; Fri, 1 Apr 2022 14:28:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1648823331; bh=zel5AscGqfMdJemGDD3WKGXXWhNB8nDc3/pFoOF9KFg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UQEtTCqR/kxYUcDjplAiz/b6qFKIEjESC4/MBhBM9PsIfs/M4Qj0Jik2F78QxNFqe Nu6YV59YRa95/NpV5rPaMPL6PVwfBUTFf2oau1794QCmMvvnwF0pbms9hzkLvkiDqn bklqrpG+2xTZCblDQUyu4mUBtB0+VrZiX6x94wWFk0RToZmmPa3Ip4ZxFpvo8bSyjx 7YoIVWNgZ3yr/FIY1WgoDDI0EP5LuquPZSgoYUujDI7Rxb/td3Gh+aCBjlkatfXtJY lqpiDTszsGYRhrZI7T8hZeRhbnX4uNI+7RojfLuajDlkl+tspz47uZj5TWfa0mP6YC IvkhQY+umW8ug== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Ilya Leoshkevich , Heiko Carstens , Andrii Nakryiko , "Naveen N . Rao" , Sasha Levin , ast@kernel.org, daniel@iogearbox.net, netdev@vger.kernel.org, bpf@vger.kernel.org Subject: [PATCH AUTOSEL 5.17 060/149] libbpf: Fix accessing syscall arguments on powerpc Date: Fri, 1 Apr 2022 10:24:07 -0400 Message-Id: <20220401142536.1948161-60-sashal@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220401142536.1948161-1-sashal@kernel.org> References: <20220401142536.1948161-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Ilya Leoshkevich [ Upstream commit f07f1503469b11b739892d50c836992ffbe026ee ] powerpc does not select ARCH_HAS_SYSCALL_WRAPPER, so its syscall handlers take "unpacked" syscall arguments. Indicate this to libbpf using PT_REGS_SYSCALL_REGS macro. Reported-by: Heiko Carstens Signed-off-by: Ilya Leoshkevich Signed-off-by: Andrii Nakryiko Tested-by: Naveen N. Rao Link: https://lore.kernel.org/bpf/20220209021745.2215452-5-iii@linux.ibm.com Signed-off-by: Sasha Levin --- tools/lib/bpf/bpf_tracing.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/lib/bpf/bpf_tracing.h b/tools/lib/bpf/bpf_tracing.h index 90f56b0f585f..d40b87c0e4b9 100644 --- a/tools/lib/bpf/bpf_tracing.h +++ b/tools/lib/bpf/bpf_tracing.h @@ -178,6 +178,8 @@ #define __PT_RC_REG gpr[3] #define __PT_SP_REG sp #define __PT_IP_REG nip +/* powerpc does not select ARCH_HAS_SYSCALL_WRAPPER. */ +#define PT_REGS_SYSCALL_REGS(ctx) ctx #elif defined(bpf_target_sparc) -- 2.34.1