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=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 B441AC468BC for ; Fri, 7 Jun 2019 15:22:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8E1D1206DF for ; Fri, 7 Jun 2019 15:22:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lca.pw header.i=@lca.pw header.b="egnZVNmp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729770AbfFGPWs (ORCPT ); Fri, 7 Jun 2019 11:22:48 -0400 Received: from mail-qk1-f177.google.com ([209.85.222.177]:39620 "EHLO mail-qk1-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728550AbfFGPWs (ORCPT ); Fri, 7 Jun 2019 11:22:48 -0400 Received: by mail-qk1-f177.google.com with SMTP id i125so1475702qkd.6 for ; Fri, 07 Jun 2019 08:22:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lca.pw; s=google; h=message-id:subject:from:to:cc:date:mime-version :content-transfer-encoding; bh=EXSmSWjcDB1szNpUZ4RnHlO+2EIGCfLRdk7Vv90DHik=; b=egnZVNmpT+xaStlzfGJh/0+mgbm9Y1D3frhr8us4SZ0cc+8P1SqFWwbZeJkeLGvBYg vmcQo+AQrNm94yjlLva8y/EE5ss3LNdbcCepnPnb0EMpW7lZ/jwdQE2CkTgFo6R1Qrpl itLjlfyRcl+/7ucoTB3iMRia0IuNop9r5ZoAY3ydtCpxEjME/kxXMUE+kg4QQxYBytVr AvdkvU9/fcAQrIjmbhID3rtrRQE8/wLVCjd9Zo1lhMWjVkAyAEkp3MhN4mv+yEfp8wdI MyrDrbYIiOYnkjZKhNkZCAcKTWYM86rPHzCFB9OU6EApBzC7mspDMr5dbZejDKGF5oT0 8hLw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:subject:from:to:cc:date:mime-version :content-transfer-encoding; bh=EXSmSWjcDB1szNpUZ4RnHlO+2EIGCfLRdk7Vv90DHik=; b=rLALlf9Shb/uxivu/9B0HPbJv8yd5V3ROZRgJMiwWXdlcSDstrxF9zzUwRCOQK+j4w QHizisHTYy8dSsBFPlWVH+VgnOhZrPH5oKUijhjoUs8hcvJgMgynIWVDV1Jx58otmu+u HuReKL7AblPQlZ/onyTPBIBvZ/Pob1jWWjeJtTZWnS4HFHuMtFOfE2u26GU1pzFtiOVB zkmzSWuGV9RD6aVY+x7wc537le8X3EQMlrOECdcDTny/13h+LueOie5klbV7aD/edXUB +s33r/yTthSNSYcj6/BlO5rY/75hBbUNbNZWwqMaJrpsL2aWe2nQ1Y5VLvcnY4HGOn7s mhmw== X-Gm-Message-State: APjAAAUYcUYh09Qv9+2gaWuARE/OHzMJ1wYoVHpHUY8dv8euo1jc6Iue kT/1rXS8Wc611f8brVfm4/Btyw== X-Google-Smtp-Source: APXvYqy2bl40AjAKSQ91cJSFv3ieqdq17wcLtP1KGmw5Lg/DXfJAm/maZoQXjHWA5ZhBJnnO2CAnjg== X-Received: by 2002:a37:640f:: with SMTP id y15mr43201126qkb.79.1559920967395; Fri, 07 Jun 2019 08:22:47 -0700 (PDT) Received: from dhcp-41-57.bos.redhat.com (nat-pool-bos-t.redhat.com. [66.187.233.206]) by smtp.gmail.com with ESMTPSA id k54sm1404799qtk.54.2019.06.07.08.22.45 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 07 Jun 2019 08:22:46 -0700 (PDT) Message-ID: <1559920965.6132.56.camel@lca.pw> Subject: "arm64: Silence gcc warnings about arch ABI drift" breaks clang From: Qian Cai To: Dave Martin Cc: Will Deacon , Catalin Marinas , linux-arm-kernel@lists.infradead.org, "linux-kernel@vger.kernel.org" , Ard Biesheuvel , linux-efi@vger.kernel.org Date: Fri, 07 Jun 2019 11:22:45 -0400 Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.22.6 (3.22.6-10.el7) Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The linux-next commit "arm64: Silence gcc warnings about arch ABI drift" [1] breaks clang build where it screams that unknown option "-Wno-psabi" and generates errors below, [1] https://lore.kernel.org/linux-arm-kernel/1559817223-32585-1-git-send-email-D ave.Martin@arm.com/ ./drivers/firmware/efi/libstub/arm-stub.stub.o: In function `install_memreserve_table': ./linux/drivers/firmware/efi/libstub/arm-stub.c:73: undefined reference to `__efistub___stack_chk_guard' ./linux/drivers/firmware/efi/libstub/arm-stub.c:73: undefined reference to `__efistub___stack_chk_guard' ./linux/drivers/firmware/efi/libstub/arm-stub.c:93: undefined reference to `__efistub___stack_chk_guard' ./linux/drivers/firmware/efi/libstub/arm-stub.c:93: undefined reference to `__efistub___stack_chk_guard' ./linux/drivers/firmware/efi/libstub/arm-stub.c:94: undefined reference to `__efistub___stack_chk_fail