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 X-Spam-Level: X-Spam-Status: No, score=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 DB3D4C4646B for ; Wed, 26 Jun 2019 05:52:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A66D0204FD for ; Wed, 26 Jun 2019 05:52:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1561528346; bh=2DCB47D8iuSCWkMu8d8a5UgYWyZlL0ucifFdec4hUUk=; h=From:To:Cc:Subject:Date:List-ID:From; b=aXYSz6av6fEC5evN6pb+qNa3kw9UF9a90bXhrvuKdedO8UOfuIyLIX5pU6N8+SZg3 w8om6k+BFTF5TppFAvyWvvzUsTvuGiY9gEeZjOilDmNbFWe1HkBsIkFpFy8oeGlnVa UmMs8YQrpPuJKJ0M0vE8qXP9B4WRsq5bVPoGXWMg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725790AbfFZFw0 (ORCPT ); Wed, 26 Jun 2019 01:52:26 -0400 Received: from mail.kernel.org ([198.145.29.99]:38878 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725536AbfFZFw0 (ORCPT ); Wed, 26 Jun 2019 01:52:26 -0400 Received: from localhost.localdomain (unknown [223.93.147.148]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B0CF9208CB; Wed, 26 Jun 2019 05:52:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1561528345; bh=2DCB47D8iuSCWkMu8d8a5UgYWyZlL0ucifFdec4hUUk=; h=From:To:Cc:Subject:Date:From; b=R20RshivXgjWnOWHHBZfhveZTd1+unvGdZhWwqUUq+b83/5TKrgwWwGHBkKDJk6iv HFQqam0IbAkbSoetr1M4FdP8m3Vq7kpXtrfptNCfX9/jrEqWsZQJJVNXzuNHFxn5WN J6opDznUcMdWYwe/hpuJnMYUmM0rcwsTsiPlA1nE= From: guoren@kernel.org To: arnd@arndb.de Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-csky@vger.kernel.org, Guo Ren , Mao Han Subject: [PATCH] csky: Fixup libgcc unwind error Date: Wed, 26 Jun 2019 13:51:36 +0800 Message-Id: <1561528296-27444-1-git-send-email-guoren@kernel.org> X-Mailer: git-send-email 2.7.4 Sender: linux-csky-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-csky@vger.kernel.org From: Guo Ren The struct rt_sigframe is also defined in libgcc/config/csky/linux-unwind.h of gcc. Although there is no use for the first three word space, we must keep them the same with linux-unwind.h for member position. The BUG is found in glibc test with the tst-cancel02. The BUG is from commit:bf2416829362 of linux-5.2-rc1 merge window. Signed-off-by: Guo Ren Signed-off-by: Mao Han Cc: Arnd Bergmann --- arch/csky/kernel/signal.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/csky/kernel/signal.c b/arch/csky/kernel/signal.c index 04a43cf..d47a338 100644 --- a/arch/csky/kernel/signal.c +++ b/arch/csky/kernel/signal.c @@ -39,6 +39,11 @@ static int save_fpu_state(struct sigcontext __user *sc) #endif struct rt_sigframe { + /* + * pad[3] is compatible with the same struct defined in + * gcc/libgcc/config/csky/linux-unwind.h + */ + int pad[3]; struct siginfo info; struct ucontext uc; }; -- 2.7.4