From nobody Tue Apr 7 06:48:13 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 040FEECAAD4 for ; Tue, 30 Aug 2022 23:18:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232050AbiH3XSm (ORCPT ); Tue, 30 Aug 2022 19:18:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41232 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231955AbiH3XR6 (ORCPT ); Tue, 30 Aug 2022 19:17:58 -0400 Received: from mail-pj1-x1049.google.com (mail-pj1-x1049.google.com [IPv6:2607:f8b0:4864:20::1049]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AF3B8A1A6D for ; Tue, 30 Aug 2022 16:16:33 -0700 (PDT) Received: by mail-pj1-x1049.google.com with SMTP id e11-20020a17090a630b00b001f8b2deb88dso11888058pjj.1 for ; Tue, 30 Aug 2022 16:16:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:from:to:cc; bh=9+JwBO4nX8GrUd03Z9QeV/uS8dpKH0L2avVFFDeS0ks=; b=jXXAcjBui2gp6SLGVf6HlOAyNamaRGTU9bCBd9OArQqpSgOWiNRYQyFS62VJGb7awZ MbuBS3ATOMu1rcMKmcDipN0/qy5F57JkCRaDfJ8OzL0FWE0F/2/jJJFZCaIcWkBt6K90 hT7ipBF3zGzKt+qniGAPX03UTOKgY8OwzTWBCzpJbB5x7/JfQT9NAgVGuLzHBOql6xlZ b8HdfQbExvTD11n0LeyLbG8nyXbqIJ1AzHlQQmVBHqmMDsoPRqbZNY6VfIfhsGPlphTl +2JFMldCRzJ733cuFpTajJrH9E1bJPrAe2kCY13SFhAscyaCw8rg4YEiSmpBMzYOCKPi pLUQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:x-gm-message-state:from:to:cc; bh=9+JwBO4nX8GrUd03Z9QeV/uS8dpKH0L2avVFFDeS0ks=; b=uZfUnyD1gcydlkIypNNyB+eh8Hw+cl45calXgHekOB8vtS7i9mjNuH1tpyNhtRxRgr xqXuAzEBLRHgd10NWeDSBZWQkmwKN1snszYm9e7KmxeTiWy2nuhEXofMUO5KI5BiLkb3 9QnyXxCmf1fYiaN2XdM8TEY6rOLxRyEs5arvXBKUNCOV/Bo4HzRuCtS0MEQXI4MeJhvv Dja7apSnDGj9UgXvkxlbNS9u9+oVWfxXX7hWmPjXMmDI8RjqecIWGIN3M4VB4ws7x/ro 1Vqx74bH6pTU1+p41mjJIP36PR0lPzSUYRTwWIFG6Vo+WwKIKw0yoyWm763SvMCnPpBe DhAA== X-Gm-Message-State: ACgBeo2xjJPt8QsYyggRx7z9B5cHz7oBP+0JWkbiPK4rVmxPQmKHK56f UGJe7WmsP++jOE/YS44R+mOHZ94IWfs= X-Google-Smtp-Source: AA6agR7PpDK+dfX65Z2sMzsgx3m7tePN1WvJ9Hmgkqc960RY99L9vi3njldBIFNLzBOkYTsKCrRRz71/Pr4= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a17:90a:249:b0:1e0:a8a3:3c6c with SMTP id t9-20020a17090a024900b001e0a8a33c6cmr11231pje.0.1661901391766; Tue, 30 Aug 2022 16:16:31 -0700 (PDT) Reply-To: Sean Christopherson Date: Tue, 30 Aug 2022 23:15:56 +0000 In-Reply-To: <20220830231614.3580124-1-seanjc@google.com> Mime-Version: 1.0 References: <20220830231614.3580124-1-seanjc@google.com> X-Mailer: git-send-email 2.37.2.672.g94769d06f0-goog Message-ID: <20220830231614.3580124-10-seanjc@google.com> Subject: [PATCH v5 09/27] KVM: x86: Use DR7_GD macro instead of open coding check in emulator From: Sean Christopherson To: Sean Christopherson , Paolo Bonzini Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Jim Mattson , Maxim Levitsky , Oliver Upton , Peter Shier Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Use DR7_GD in the emulator instead of open coding the check, and drop a comically wrong comment. Signed-off-by: Sean Christopherson Reviewed-by: Maxim Levitsky --- arch/x86/kvm/emulate.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index f092c54d1a2f..59b61a41125a 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -4168,8 +4168,7 @@ static int check_dr7_gd(struct x86_emulate_ctxt *ctxt) =20 ctxt->ops->get_dr(ctxt, 7, &dr7); =20 - /* Check if DR7.Global_Enable is set */ - return dr7 & (1 << 13); + return dr7 & DR7_GD; } =20 static int check_dr_read(struct x86_emulate_ctxt *ctxt) --=20 2.37.2.672.g94769d06f0-goog