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=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,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 D7E2FC2BA1A for ; Mon, 6 Apr 2020 20:21:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A49C32072F for ; Mon, 6 Apr 2020 20:21:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ACqNNwoC" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726225AbgDFUVb (ORCPT ); Mon, 6 Apr 2020 16:21:31 -0400 Received: from mail-wm1-f66.google.com ([209.85.128.66]:52977 "EHLO mail-wm1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725933AbgDFUVb (ORCPT ); Mon, 6 Apr 2020 16:21:31 -0400 Received: by mail-wm1-f66.google.com with SMTP id t203so804584wmt.2 for ; Mon, 06 Apr 2020 13:21:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=Yhwj6D9mEJdqER0Y+4AiroLmLQuuXCILZXzQy7B5ijY=; b=ACqNNwoCwtOw7PW2cCGb8J1kgPMCAdYA88tbwN+EqfySTWksWv981gCezwlKWHBnwD gW2LlWxvprQbAHJPIvc2i2HgMq/PHei1PWqd6cpjzi9/ycj2TIELJgjNnPcg8yoQMYXN DLztQ1RD5JoeDjo6UOIy5wtVWKOCRknsUhO+qLzNDrxYWZixBO+hKSkMig97rLXA/wBj FCSUqqwEmJAgDDJWFO+tYdH5iPyFLNzwK0LH2HKCkCOl/OrEqkiQhXPh88GBbxqJWibC CUOn0Z5/5orM5EzVMMjCvfVOKTt27kfy7kKBDZx6FD4fgHHQYatYI99QbhvQAhWYggNq dIqA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=Yhwj6D9mEJdqER0Y+4AiroLmLQuuXCILZXzQy7B5ijY=; b=q37yq2xzNjQlYT2tKzV8HbznqJ459KfqgQa46eBPxiTos13EqQy9yM9mOf0WgMAt1d Q1bhFXIxNcli8JQiGhMSrSmWhjaQDtNh35h9a6d2TqBcvUhMHpj80EAxr5gOMWhA8xe0 unEvISyK66l4hamquR78Nv57Q0Jodu1RQuOpXtOrqHBaenSawVaIorPw6CnCysyPAmdv k46wBS6p19leW6LiExieJeyiuqZkXxUW08QHnb5ICoAZaSS06SWoCZqthYardixzUvBZ VK1deRFwPeJOkBnszGZA6+h7HBTMv/8wRJptP7Eoh+ZKpDr7SpvlQwwdQ+RGBLIJCRPu yUJg== X-Gm-Message-State: AGi0PuaDTP/R6jfZmIF38x4o6LM3gR9TGCddxROf+vtRUsFxZDZmiKpE k7PEBMl2PYgVO4jb1P14/xZ+Sa5r+m4= X-Google-Smtp-Source: APiQypJUR3jy69e2suq6XDuLwa2KcHWNlmXrIQ6i8GtJ2IoEk1IutQzq+s23dcZRkFDzYtshVZRFmA== X-Received: by 2002:a05:600c:291d:: with SMTP id i29mr744288wmd.135.1586204489596; Mon, 06 Apr 2020 13:21:29 -0700 (PDT) Received: from localhost.localdomain (93-103-18-160.static.t-2.net. [93.103.18.160]) by smtp.gmail.com with ESMTPSA id n124sm868544wma.11.2020.04.06.13.21.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Apr 2020 13:21:28 -0700 (PDT) From: Uros Bizjak To: kvm@vger.kernel.org Cc: Uros Bizjak , Sean Christopherson , Paolo Bonzini Subject: [PATCH v2] KVM: VMX: Remove unnecessary exception trampoline in vmx_vmenter Date: Mon, 6 Apr 2020 22:21:08 +0200 Message-Id: <20200406202108.74300-1-ubizjak@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org The exception trampoline in .fixup section is not needed, the exception handling code can jump directly to the label in the .text section. Changes since v1: - Fix commit message. Cc: Sean Christopherson Cc: Paolo Bonzini Reviewed-by: Sean Christopherson Signed-off-by: Uros Bizjak --- arch/x86/kvm/vmx/vmenter.S | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/arch/x86/kvm/vmx/vmenter.S b/arch/x86/kvm/vmx/vmenter.S index 81ada2ce99e7..56d701db8734 100644 --- a/arch/x86/kvm/vmx/vmenter.S +++ b/arch/x86/kvm/vmx/vmenter.S @@ -58,12 +58,8 @@ SYM_FUNC_START(vmx_vmenter) ret 4: ud2 - .pushsection .fixup, "ax" -5: jmp 3b - .popsection - - _ASM_EXTABLE(1b, 5b) - _ASM_EXTABLE(2b, 5b) + _ASM_EXTABLE(1b, 3b) + _ASM_EXTABLE(2b, 3b) SYM_FUNC_END(vmx_vmenter) -- 2.25.1