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=-17.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, 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 1395AC47084 for ; Tue, 25 May 2021 11:56:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EB4B76140F for ; Tue, 25 May 2021 11:56:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232151AbhEYL5q (ORCPT ); Tue, 25 May 2021 07:57:46 -0400 Received: from conuserg-11.nifty.com ([210.131.2.78]:39237 "EHLO conuserg-11.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231770AbhEYL5l (ORCPT ); Tue, 25 May 2021 07:57:41 -0400 Received: from localhost.localdomain (133-32-232-101.west.xps.vectant.ne.jp [133.32.232.101]) (authenticated) by conuserg-11.nifty.com with ESMTP id 14PBsOwI021380; Tue, 25 May 2021 20:54:24 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-11.nifty.com 14PBsOwI021380 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1621943665; bh=V+gm1MoogimFfSAAfmNf6D6xHKs8r0D00kjReKhDXG0=; h=From:To:Cc:Subject:Date:From; b=n4rH5ypkPPhMhcKjpZWiQX9AIkW6jt8yzL8niiag9si0G+5hkR+AYYohZWW+53djx UYoPuWi39ddfUECJWpRiKOH3UJJhCh+gATpKWIuQUMGgzpbA7S0huyEECx6ID1bu80 3ItLw3kTIHCaif0tU/y2w3UYv2dJzlFa9RdABZn7nteF3KIg5GVnEfhG3Vl+DKCpq+ GAVGSHHU4bchRl47Kx3WuOWzEuc8mNQiZjiRIu/3Mv44HBpPCYgEW+QqGO5daur8Kn M1q0UNuVzEwN+VriHeJzn/36F06iY16szRRrPJhmD0dDcJnwW18qCPvbntpBc9F/F+ RglaiAbIYSgTg== X-Nifty-SrcIP: [133.32.232.101] From: Masahiro Yamada To: Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org Cc: Naresh Kamboju , linux-kernel@vger.kernel.org, Masahiro Yamada , Andy Lutomirski , Geert Uytterhoeven , "H. Peter Anvin" Subject: [PATCH] x86/syscalls: clear 'offset' and 'prefix' in case they are set in env Date: Tue, 25 May 2021 20:54:20 +0900 Message-Id: <20210525115420.679416-1-masahiroy@kernel.org> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If the environment variable 'prefix' is set on the build host, it is wrongly used as syscall macro prefixes. $ export prefix=/usr $ make -s defconfig all In file included from ./arch/x86/include/asm/unistd.h:20, from :2: ./arch/x86/include/generated/uapi/asm/unistd_64.h:4:9: warning: missing whitespace after the macro name 4 | #define __NR_/usrread 0 | ^~~~~ arch/x86/entry/syscalls/Makefile should clear 'offset' and 'prefix'. Link: https://lore.kernel.org/lkml/CA+G9fYvFXTHPKwasdVidF7qEHdqwRht8Xg6qm6CCLL0HGaU1ew@mail.gmail.com/ Reported-by: Naresh Kamboju Fixes: 3cba325b358f ("x86/syscalls: Switch to generic syscallhdr.sh") Signed-off-by: Masahiro Yamada --- arch/x86/entry/syscalls/Makefile | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/entry/syscalls/Makefile b/arch/x86/entry/syscalls/Makefile index 8eb014bca8c9..5b3efed0e4e8 100644 --- a/arch/x86/entry/syscalls/Makefile +++ b/arch/x86/entry/syscalls/Makefile @@ -11,6 +11,8 @@ syscall64 := $(src)/syscall_64.tbl syshdr := $(srctree)/scripts/syscallhdr.sh systbl := $(srctree)/scripts/syscalltbl.sh +offset := +prefix := quiet_cmd_syshdr = SYSHDR $@ cmd_syshdr = $(CONFIG_SHELL) $(syshdr) --abis $(abis) --emit-nr \ -- 2.27.0