From nobody Fri Dec 19 06:56:55 2025 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 CE760C25B0E for ; Mon, 15 Aug 2022 21:12:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344146AbiHOVLg (ORCPT ); Mon, 15 Aug 2022 17:11:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47484 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347695AbiHOVHP (ORCPT ); Mon, 15 Aug 2022 17:07:15 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 834EDB3B39; Mon, 15 Aug 2022 12:15:50 -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 1448AB8110A; Mon, 15 Aug 2022 19:15:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 66A73C433D6; Mon, 15 Aug 2022 19:15:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660590947; bh=A7ewpQEt3rqc/dX6YH/ywzUaXlCgXOfEWwGpF3U/FuU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=v7z4eZioZgtzuXW8emcKlLeMR6hjl8mxWUUphBuFk2ZHw4nInWtUdoKILlh8lu2mi EElvqwrhj2jAbyG/hvMCiw6Pspw8tfX9YtII1BgWUP01x8JL+q/Wl3FaKKz0msl6lP fQQvR2yaIjW59nlLgZ/vKbCyUC4Plmnl/6mv+grw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Yixun Lan , Daniel Borkmann , =?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?= , Amjad OULED-AMEUR , Sasha Levin Subject: [PATCH 5.18 0422/1095] libbpf, riscv: Use a0 for RC register Date: Mon, 15 Aug 2022 19:57:01 +0200 Message-Id: <20220815180447.173186472@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220815180429.240518113@linuxfoundation.org> References: <20220815180429.240518113@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Yixun Lan [ Upstream commit 935dc35c75318fa213d26808ad8bb130fb0b486e ] According to the RISC-V calling convention register usage here [0], a0 is used as return value register, so rename it to make it consistent with the spec. [0] section 18.2, table 18.2 https://riscv.org/wp-content/uploads/2015/01/riscv-calling.pdf Fixes: 589fed479ba1 ("riscv, libbpf: Add RISC-V (RV64) support to bpf_traci= ng.h") Signed-off-by: Yixun Lan Signed-off-by: Daniel Borkmann Acked-by: Bj=C3=B6rn T=C3=B6pel Acked-by: Amjad OULED-AMEUR Link: https://lore.kernel.org/bpf/20220706140204.47926-1-dlan@gentoo.org Signed-off-by: Sasha Levin --- tools/lib/bpf/bpf_tracing.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/lib/bpf/bpf_tracing.h b/tools/lib/bpf/bpf_tracing.h index e3a8c947e89f..479f514f7411 100644 --- a/tools/lib/bpf/bpf_tracing.h +++ b/tools/lib/bpf/bpf_tracing.h @@ -227,7 +227,7 @@ struct pt_regs___arm64 { #define __PT_PARM5_REG a4 #define __PT_RET_REG ra #define __PT_FP_REG s0 -#define __PT_RC_REG a5 +#define __PT_RC_REG a0 #define __PT_SP_REG sp #define __PT_IP_REG pc /* riscv does not select ARCH_HAS_SYSCALL_WRAPPER. */ --=20 2.35.1