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=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS, T_DKIMWL_WL_HIGH,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 52B18C04AA9 for ; Fri, 3 May 2019 00:26:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1588B20C01 for ; Fri, 3 May 2019 00:26:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556843182; bh=KVN3SXa5GiVV1FFghxWEC7Dki/DXI+Aw+9RrOLy4jIE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=A1b15sLt4GAZ+H9AQJS6PIFbqWtC+hQv5O38IhkE568Eo6I54L6v04YwZJjuYwPtJ BnCIuJ1XbWGpuzJ5wM86vAP+ItzPByzXwN32fVKkaOjY4sJHgb2rtRELX6ycxfnhrj oggytGKo85/3SbwjrH0SselZ1f0iom2tmooivAAM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726648AbfECA0V (ORCPT ); Thu, 2 May 2019 20:26:21 -0400 Received: from mail.kernel.org ([198.145.29.99]:44204 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726589AbfECA0O (ORCPT ); Thu, 2 May 2019 20:26:14 -0400 Received: from quaco.ghostprotocols.net (adsl-173-228-226-134.prtc.net [173.228.226.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 19ED12089E; Fri, 3 May 2019 00:26:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556843172; bh=KVN3SXa5GiVV1FFghxWEC7Dki/DXI+Aw+9RrOLy4jIE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KPG9UQUtJ/JZnMUW6Wzc/h5Nm3jzD2IXSBk90uB5x2D325zfXwT0CVHOY6RgzpNUa c+dhVvWgNO7WJDE6OQ2+GMaR3Jr/s6dLfFhX7fh9gDSiHqwlyvYTlXUx+BBmlBAjgG Jh6sFAYZX+QTKpGiOYkYHP7L+XmtebFu//DdIuYk= From: Arnaldo Carvalho de Melo To: Ingo Molnar , Thomas Gleixner Cc: Jiri Olsa , Namhyung Kim , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Arnaldo Carvalho de Melo , Vineet Gupta , Adrian Hunter , Arnd Bergmann , linux-snps-arc@lists.infradead.org Subject: [PATCH 10/11] tools arch uapi: Copy missing unistd.h headers for arc, hexagon and riscv Date: Thu, 2 May 2019 20:25:32 -0400 Message-Id: <20190503002533.29359-11-acme@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190503002533.29359-1-acme@kernel.org> References: <20190503002533.29359-1-acme@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Arnaldo Carvalho de Melo Since those were introduced in: c8ce48f06503 ("asm-generic: Make time32 syscall numbers optional") But when the asm-generic/unistd.h was sync'ed with tools/ in: 1a787fc5ba18 ("tools headers uapi: Sync copy of asm-generic/unistd.h with the kernel sources") I forgot to copy the files for the architectures that define __ARCH_WANT_TIME32_SYSCALLS, so the perf build was breaking there, as reported by Vineet Gupta for the ARC architecture. After updating my ARC container to use the glibc based toolchain + cross building libnuma, zlib and elfutils, I finally managed to reproduce the problem and verify that this now is fixed and will not regress as will be tested before each pull req sent upstream. Reported-by: Vineet Gupta Cc: Adrian Hunter Cc: Arnd Bergmann Cc: Jiri Olsa CC: linux-snps-arc@lists.infradead.org Cc: Namhyung Kim Link: https://lkml.kernel.org/r/20190426193531.GC28586@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/arch/arc/include/uapi/asm/unistd.h | 51 ++++++++++++++++++++ tools/arch/hexagon/include/uapi/asm/unistd.h | 40 +++++++++++++++ tools/arch/riscv/include/uapi/asm/unistd.h | 42 ++++++++++++++++ 3 files changed, 133 insertions(+) create mode 100644 tools/arch/arc/include/uapi/asm/unistd.h create mode 100644 tools/arch/hexagon/include/uapi/asm/unistd.h create mode 100644 tools/arch/riscv/include/uapi/asm/unistd.h diff --git a/tools/arch/arc/include/uapi/asm/unistd.h b/tools/arch/arc/include/uapi/asm/unistd.h new file mode 100644 index 000000000000..5eafa1115162 --- /dev/null +++ b/tools/arch/arc/include/uapi/asm/unistd.h @@ -0,0 +1,51 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +/******** no-legacy-syscalls-ABI *******/ + +/* + * Non-typical guard macro to enable inclusion twice in ARCH sys.c + * That is how the Generic syscall wrapper generator works + */ +#if !defined(_UAPI_ASM_ARC_UNISTD_H) || defined(__SYSCALL) +#define _UAPI_ASM_ARC_UNISTD_H + +#define __ARCH_WANT_RENAMEAT +#define __ARCH_WANT_STAT64 +#define __ARCH_WANT_SET_GET_RLIMIT +#define __ARCH_WANT_SYS_EXECVE +#define __ARCH_WANT_SYS_CLONE +#define __ARCH_WANT_SYS_VFORK +#define __ARCH_WANT_SYS_FORK +#define __ARCH_WANT_TIME32_SYSCALLS + +#define sys_mmap2 sys_mmap_pgoff + +#include + +#define NR_syscalls __NR_syscalls + +/* Generic syscall (fs/filesystems.c - lost in asm-generic/unistd.h */ +#define __NR_sysfs (__NR_arch_specific_syscall + 3) + +/* ARC specific syscall */ +#define __NR_cacheflush (__NR_arch_specific_syscall + 0) +#define __NR_arc_settls (__NR_arch_specific_syscall + 1) +#define __NR_arc_gettls (__NR_arch_specific_syscall + 2) +#define __NR_arc_usr_cmpxchg (__NR_arch_specific_syscall + 4) + +__SYSCALL(__NR_cacheflush, sys_cacheflush) +__SYSCALL(__NR_arc_settls, sys_arc_settls) +__SYSCALL(__NR_arc_gettls, sys_arc_gettls) +__SYSCALL(__NR_arc_usr_cmpxchg, sys_arc_usr_cmpxchg) +__SYSCALL(__NR_sysfs, sys_sysfs) + +#undef __SYSCALL + +#endif diff --git a/tools/arch/hexagon/include/uapi/asm/unistd.h b/tools/arch/hexagon/include/uapi/asm/unistd.h new file mode 100644 index 000000000000..432c4db1b623 --- /dev/null +++ b/tools/arch/hexagon/include/uapi/asm/unistd.h @@ -0,0 +1,40 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * Syscall support for Hexagon + * + * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +/* + * The kernel pulls this unistd.h in three different ways: + * 1. the "normal" way which gets all the __NR defines + * 2. with __SYSCALL defined to produce function declarations + * 3. with __SYSCALL defined to produce syscall table initialization + * See also: syscalltab.c + */ + +#define sys_mmap2 sys_mmap_pgoff +#define __ARCH_WANT_RENAMEAT +#define __ARCH_WANT_STAT64 +#define __ARCH_WANT_SET_GET_RLIMIT +#define __ARCH_WANT_SYS_EXECVE +#define __ARCH_WANT_SYS_CLONE +#define __ARCH_WANT_SYS_VFORK +#define __ARCH_WANT_SYS_FORK +#define __ARCH_WANT_TIME32_SYSCALLS + +#include diff --git a/tools/arch/riscv/include/uapi/asm/unistd.h b/tools/arch/riscv/include/uapi/asm/unistd.h new file mode 100644 index 000000000000..0e2eeeb1fd27 --- /dev/null +++ b/tools/arch/riscv/include/uapi/asm/unistd.h @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * Copyright (C) 2018 David Abdurachmanov + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#ifdef __LP64__ +#define __ARCH_WANT_NEW_STAT +#define __ARCH_WANT_SET_GET_RLIMIT +#endif /* __LP64__ */ + +#include + +/* + * Allows the instruction cache to be flushed from userspace. Despite RISC-V + * having a direct 'fence.i' instruction available to userspace (which we + * can't trap!), that's not actually viable when running on Linux because the + * kernel might schedule a process on another hart. There is no way for + * userspace to handle this without invoking the kernel (as it doesn't know the + * thread->hart mappings), so we've defined a RISC-V specific system call to + * flush the instruction cache. + * + * __NR_riscv_flush_icache is defined to flush the instruction cache over an + * address range, with the flush applying to either all threads or just the + * caller. We don't currently do anything with the address range, that's just + * in there for forwards compatibility. + */ +#ifndef __NR_riscv_flush_icache +#define __NR_riscv_flush_icache (__NR_arch_specific_syscall + 15) +#endif +__SYSCALL(__NR_riscv_flush_icache, sys_riscv_flush_icache) -- 2.20.1