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=-17.4 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT, USER_IN_DEF_DKIM_WL 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 D4336ECE58C for ; Mon, 7 Oct 2019 19:21:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A6A252070B for ; Mon, 7 Oct 2019 19:21:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="U+yUAqFY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728980AbfJGTVg (ORCPT ); Mon, 7 Oct 2019 15:21:36 -0400 Received: from mail-pl1-f201.google.com ([209.85.214.201]:50641 "EHLO mail-pl1-f201.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728187AbfJGTVf (ORCPT ); Mon, 7 Oct 2019 15:21:35 -0400 Received: by mail-pl1-f201.google.com with SMTP id y13so9214118plr.17 for ; Mon, 07 Oct 2019 12:21:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:message-id:mime-version:subject:from:to:cc; bh=1VVXgUvR9hWEet6YOYgZ2IeUcSu3A+eaEhovhtmPmIo=; b=U+yUAqFYeHHpdnN4YEdLlFF1AhG1b7N+2naMp7QDH4pwQHeswCujHlHYYJCUbyrG+3 9T0y0iiz5pN9qNjelyooOAuvKV7Z+QqWeAZbFBDSaSfElxWf8R6rRlw0RWXd26JAonXm ejc1zRq4FBawp3Kpi5HNu5C82KsGULvUdeBYLbeRBscMRIn1/VClkN2DWU+eSsIGHOEi xlauBgsLhXw75OORMdN/3lIo9lGaK39bBLq9BrZX6rH1SOnNbhhqG/2SJcr6YnzlBk7o zvVrXRz6FryXXWr1urkVzWbt8K2cfzowghhrMpjsJ+4ymyOmMTlFGlK3/AHNJ7twW9ux 4fRg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:message-id:mime-version:subject:from:to:cc; bh=1VVXgUvR9hWEet6YOYgZ2IeUcSu3A+eaEhovhtmPmIo=; b=FmACHStvZ8jDyJkwlsb0SI+HXTG3sdE8xcGYYsNj06iaqOeqRyIxmLw5EwziRmdo9J zfL8MrttKIYS8ioLfdzPY5kSCVrlcpy3U0cobLI3TTwaKT123IzO8QGV+qGUFrzxkRPc kPsiERvwmzbPAlhIkjsSUMGZlaHfCpchlZMapucY1GC+VFFm6s/vlH+ONxB5sviTPoXL wt9hB0DuWHYWOJGby78xoNyZ4mRme25Ezp3MIyuB6WmxxVbmVwgDsQZQmukItHpHv2zn qBI2FKPLy1VarXSB90Bule4I7vtwZGToKXsR+S0HkHqUzGzqsrLlEfzXaWcbIpJqb7fl P42g== X-Gm-Message-State: APjAAAWQxT3BAGCshPyGzSwWcUI0PSrdntX4R2px50+AwOVWIqXbUpnu tGQik+iTk/w/nDaEDVOrMd4BnZytUN1EpVoIQWs= X-Google-Smtp-Source: APXvYqxTl7q50f9e4Q7HvkTPiDHc+nE01KQDZLPBvfC0BpelR9V3gPGtcdxezE39V9fsz82yJ/1RS5ad8AOHbeLdDis= X-Received: by 2002:a63:1a53:: with SMTP id a19mr32165157pgm.58.1570476093401; Mon, 07 Oct 2019 12:21:33 -0700 (PDT) Date: Mon, 7 Oct 2019 12:21:29 -0700 Message-Id: <20191007192129.104336-1-samitolvanen@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.23.0.581.g78d2f28ef7-goog Subject: [PATCH] x86/cpu/vmware: use the full form of inl in VMWARE_PORT From: Sami Tolvanen To: Thomas Hellstrom , pv-drivers@vmware.com, Thomas Gleixner , Ingo Molnar , Borislav Petkov Cc: hpa@zytor.com, Kees Cook , x86@kernel.org, virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com, Sami Tolvanen Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org LLVM's assembler doesn't accept the short form inl (%%dx) instruction, but instead insists on the output register to be explicitly specified: :1:7: error: invalid operand for instruction inl (%dx) ^ LLVM ERROR: Error parsing inline asm Use the full form of the instruction to fix the build. Signed-off-by: Sami Tolvanen --- arch/x86/kernel/cpu/vmware.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/cpu/vmware.c b/arch/x86/kernel/cpu/vmware.c index 9735139cfdf8..46d732696c1c 100644 --- a/arch/x86/kernel/cpu/vmware.c +++ b/arch/x86/kernel/cpu/vmware.c @@ -49,7 +49,7 @@ #define VMWARE_CMD_VCPU_RESERVED 31 #define VMWARE_PORT(cmd, eax, ebx, ecx, edx) \ - __asm__("inl (%%dx)" : \ + __asm__("inl (%%dx), %%eax" : \ "=a"(eax), "=c"(ecx), "=d"(edx), "=b"(ebx) : \ "a"(VMWARE_HYPERVISOR_MAGIC), \ "c"(VMWARE_CMD_##cmd), \ -- 2.23.0.581.g78d2f28ef7-goog