From patchwork Mon Apr 6 15:16:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Uros Bizjak X-Patchwork-Id: 11475683 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 47D9A14DD for ; Mon, 6 Apr 2020 15:17:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1B9B824889 for ; Mon, 6 Apr 2020 15:17:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="IXf8uYc2" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728826AbgDFPRK (ORCPT ); Mon, 6 Apr 2020 11:17:10 -0400 Received: from mail-wr1-f66.google.com ([209.85.221.66]:37569 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728667AbgDFPRK (ORCPT ); Mon, 6 Apr 2020 11:17:10 -0400 Received: by mail-wr1-f66.google.com with SMTP id w10so18002930wrm.4 for ; Mon, 06 Apr 2020 08:17:09 -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=FXVE8TJv8F5tSrNhTDcrkaDZncqpLUWAn9zSrKTq+Rs=; b=IXf8uYc2495Ce3Pryp+hxFpjucYXIdeiXfFSgZ+BeqWbChU2v2dlfUlAHr3Gxv33P/ jJCfIKllRcEdPCv3Id3+NHpTJbXEeL8svWkidAdVn51Vdbuxa0krexall1u7QrqmLq6Z uXTrFxudDWs9UBNPTJQEdOYBk6NnAQ0HKmPK0DGOWfGiGUYW6A5JJezjqEvyNATFX30P pHS+T0loG1DqptK2U1y3lXfCDk39cO7nAqBbuqltZz7DnpKLsgtaXjumW668PBd/Oq7s 71xFr/RYLP33FEb8XvwxIdCbOAHkPRvkih3qZ4i1XePf6zXeMqx0yXSKFmiwXWZlLces Pa2A== 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=FXVE8TJv8F5tSrNhTDcrkaDZncqpLUWAn9zSrKTq+Rs=; b=ghccHwis8DCP2yMfJwJtJbzs5n22lx2tWpk8ksUODBgJCjfrR8Pv6g7bMGHmlt77Pk ehdunsSm3zj3hTgwIUG1u50Nx1/2ROalrTOePXloHPzz+p+1eQwydSlX1w7J7gbuDBMS fVsW8EpU+DsDKmRGdEYhOzU2hgys6/xN/zrBG+L57vRIjc8BkHEwPHL4UH33R2u0vHTZ odijcRwhoK3Yqwb3iQGP4/AuF1YI6WyAPbK08PzuYtyL45LNVAav5KcnVyMZqtVm5MX7 kP+JI0uD9VnDWPZzmIjz1AZdpmNKGNzVj1fGn60Nx8Oa43t8DBOMyFB1nanpZ+p2BVKS Ds5Q== X-Gm-Message-State: AGi0PuaFM+V96uPUtKpFlEjow7EZkwGa6kQaNtemDQVBhTbLaCTUF8vO qgwwK7M5PHDGAOVf4lsydkekXio67JM= X-Google-Smtp-Source: APiQypIcsiUD4IAYFBpjg+1gEtKg+PRRjyye3ImkoxaMZm2XaPbmvjxQftm1/UxreyxjYP9ARYdEfA== X-Received: by 2002:adf:9d8a:: with SMTP id p10mr23210621wre.190.1586186228688; Mon, 06 Apr 2020 08:17:08 -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 t16sm27939410wra.17.2020.04.06.08.17.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Apr 2020 08:17:08 -0700 (PDT) From: Uros Bizjak To: kvm@vger.kernel.org Cc: Uros Bizjak , Sean Christopherson , Paolo Bonzini Subject: [PATCH] KVM: VMX: Remove unnecessary exception trampoline in vmx_vmenter Date: Mon, 6 Apr 2020 17:16:41 +0200 Message-Id: <20200406151641.67698-1-ubizjak@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 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 .text section. Cc: Sean Christopherson Cc: Paolo Bonzini Signed-off-by: Uros Bizjak Reviewed-by: Sean Christopherson --- 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)