From patchwork Sun Apr 26 12:30:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Uros Bizjak X-Patchwork-Id: 11510547 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 1A40C92A for ; Sun, 26 Apr 2020 12:31:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E7C082074F for ; Sun, 26 Apr 2020 12:31:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="AsA3ppnk" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726142AbgDZMat (ORCPT ); Sun, 26 Apr 2020 08:30:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46842 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726139AbgDZMas (ORCPT ); Sun, 26 Apr 2020 08:30:48 -0400 Received: from mail-wr1-x443.google.com (mail-wr1-x443.google.com [IPv6:2a00:1450:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 57FB5C09B04F for ; Sun, 26 Apr 2020 05:30:48 -0700 (PDT) Received: by mail-wr1-x443.google.com with SMTP id d17so17155795wrg.11 for ; Sun, 26 Apr 2020 05:30:48 -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=zZ4RXNvMIlD6HNwpFjr0pliVf/jgEqSPZK6SSI3jXkE=; b=AsA3ppnkWiWKWgebL0ITYk0Rz8cYQOeX2ahsJCtPtEIVcxjEb7lXV1GQTV++N/j6tB XP9cB8EmJ4EvcSCffaIPU6f2vTWOU/g9RcT2FJhtQQORy5GAaFjPACDnzEbj7IXMDVcE Fl9sXifb3EBSggwhUW3TbHgaeZ3+DdCs4bgMjpFLZSXIQmN0rpFzYIxfXYSkPXEgvpAw EeUPeIkLwHBBJP1QTEOUw1zOAjX54X6O++rIZP0z/NGhZaBs+KTD2ASxBnl4DG5fi/Kk 2XeCaQMbcD0xVrVYlQQIfOtJ2QW/hWFDaL0kgtaE/yyc82hiKlwvj7Q+pyfItWuAA85h 1ApA== 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=zZ4RXNvMIlD6HNwpFjr0pliVf/jgEqSPZK6SSI3jXkE=; b=g9RcoL05WCE7pJsNAb/VcQ1EiuVTYVKBh8RjCeOjLt0g5xftF1/ZITQpDtE6de2IDV /0fIiCx18HUhzNZPxm1msTYhFR6CREoUd9YK3KdIZrjyaSg+v+HdPmOHCLKmXEp4zKS4 uaSatwV2cLDBagle7lMfcgUgGCr6nSzQee0oxL2rC+atchIEjrxthy2CtYahQFxq7jyy Dt8qYl1okPibfaQJmujtNYnkvmsxW00htNLoU4PI2Bg6lS2aYEn89STFKs4VEkIDVktD bsGUhq8fCTjVA4YgmO38lLyErUOaSiF9YApoHQFfEfI+l21a7dOKi1FiIY68lqnqbxYb 9BiQ== X-Gm-Message-State: AGi0Pub2h+XJxo771q0NW98RQoWA25es2pPLpy9xW1o3t3F/ik09zhlS HP55q0SNVrVA8HJy1+5zRBWj5j7h0fc= X-Google-Smtp-Source: APiQypI4IefkO31jzEh5+mkcVC/Du+SgcRbmCPzZalXTmujkNJn4Os4jb5lPoI0EoL3Vjg3ejXIrlQ== X-Received: by 2002:a05:6000:108e:: with SMTP id y14mr23747920wrw.292.1587904246700; Sun, 26 Apr 2020 05:30:46 -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 y18sm12572230wmc.45.2020.04.26.05.30.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 26 Apr 2020 05:30:46 -0700 (PDT) From: Uros Bizjak To: kvm@vger.kernel.org Cc: Uros Bizjak , Paolo Bonzini , Sean Christopherson Subject: [PATCH] KVM: VMX: Remove unneeded __ASM_SIZE usage with POP instruction Date: Sun, 26 Apr 2020 14:30:38 +0200 Message-Id: <20200426123038.359779-1-ubizjak@gmail.com> X-Mailer: git-send-email 2.25.3 MIME-Version: 1.0 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org POP instruction always operates in word size, no need to use __ASM_SIZE macro to force operating mode. Cc: Paolo Bonzini Cc: Sean Christopherson Signed-off-by: Uros Bizjak Reviewed-by: Sean Christopherson --- arch/x86/kvm/vmx/vmenter.S | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/arch/x86/kvm/vmx/vmenter.S b/arch/x86/kvm/vmx/vmenter.S index 87f3f24fef37..94b8794bdd2a 100644 --- a/arch/x86/kvm/vmx/vmenter.S +++ b/arch/x86/kvm/vmx/vmenter.S @@ -163,13 +163,13 @@ SYM_FUNC_START(__vmx_vcpu_run) mov WORD_SIZE(%_ASM_SP), %_ASM_AX /* Save all guest registers, including RAX from the stack */ - __ASM_SIZE(pop) VCPU_RAX(%_ASM_AX) - mov %_ASM_CX, VCPU_RCX(%_ASM_AX) - mov %_ASM_DX, VCPU_RDX(%_ASM_AX) - mov %_ASM_BX, VCPU_RBX(%_ASM_AX) - mov %_ASM_BP, VCPU_RBP(%_ASM_AX) - mov %_ASM_SI, VCPU_RSI(%_ASM_AX) - mov %_ASM_DI, VCPU_RDI(%_ASM_AX) + pop VCPU_RAX(%_ASM_AX) + mov %_ASM_CX, VCPU_RCX(%_ASM_AX) + mov %_ASM_DX, VCPU_RDX(%_ASM_AX) + mov %_ASM_BX, VCPU_RBX(%_ASM_AX) + mov %_ASM_BP, VCPU_RBP(%_ASM_AX) + mov %_ASM_SI, VCPU_RSI(%_ASM_AX) + mov %_ASM_DI, VCPU_RDI(%_ASM_AX) #ifdef CONFIG_X86_64 mov %r8, VCPU_R8 (%_ASM_AX) mov %r9, VCPU_R9 (%_ASM_AX)