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 BC569C4167D for ; Tue, 12 Apr 2022 08:40:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1383980AbiDLIiw (ORCPT ); Tue, 12 Apr 2022 04:38:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43044 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1357102AbiDLHjr (ORCPT ); Tue, 12 Apr 2022 03:39:47 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8DDEFBE16; Tue, 12 Apr 2022 00:12:06 -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 3F3F0B81B55; Tue, 12 Apr 2022 07:12:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8900EC385A5; Tue, 12 Apr 2022 07:12:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1649747523; bh=AipMkh4r+PEC3Hg3oKtel1W8x7XdUXLF+5yYy1OyNVc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KwX/wXObYj8PNEpbpCFM0fMx32V4VTrA/fZ8lpiwkWgA4tX9bxPbdY7pg6ULExqK8 5B3f1APor5mYe9f2h4iVfIIqjoTI0BIA9RF34UUkInHwsHq5+HAQH1mKv/PGFL0aTi 5pFOrkTLXZn7H2zo4zlvFiZvS2Q4lf36Q1hfIKtc= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Heiko Carstens , Ilya Leoshkevich , Andrii Nakryiko , "Naveen N. Rao" , Sasha Levin Subject: [PATCH 5.17 069/343] libbpf: Fix accessing syscall arguments on powerpc Date: Tue, 12 Apr 2022 08:28:07 +0200 Message-Id: <20220412062953.094373741@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220412062951.095765152@linuxfoundation.org> References: <20220412062951.095765152@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 e1b505606882..41f5f3149875 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) -- 2.35.1