From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f73.google.com (mail-pj1-f73.google.com [209.85.216.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 728C71D798E for ; Fri, 6 Feb 2026 01:31:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.73 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770341463; cv=none; b=DOro1yEuL2skpF9Gxgz0y6UH61kT6zjCApGqaWxCgvKELH4X6IVrMdOFvMYR8oApeNQN1pDbJvJYJ8f33WA4M4lFcenNY79IIJBk8G4NLJJtNzPP5GgyPplmVzqTJoGCp8DN9WiadaPdc46rWxvT9d0PwuHQ2561dEX991EBblw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770341463; c=relaxed/simple; bh=ELORHn9fbJjQH5Anwg9+axXPn5ABNHTg5QwG5DlC098=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=gbqTbjMpZDip3qxT9NVkQ9EVUtUe+lCKK/e8Y6fJm8PbkglKyeXMw6631B6Vj4qADrgWWmEFXaHHTGhRKalcWNJqVM1tzmBcNT2UP9StTArwYCC6R+pYqB+LI4bL3R8P7OE5g3EV3KTQ53aBt7OpU+4+6ORxK5jGRn9VNL8Nhac= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=eyLGTqTe; arc=none smtp.client-ip=209.85.216.73 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="eyLGTqTe" Received: by mail-pj1-f73.google.com with SMTP id 98e67ed59e1d1-352e195f662so1237763a91.2 for ; Thu, 05 Feb 2026 17:31:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1770341463; x=1770946263; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=EZsMKgrBGHcicHKcR8XAFs5upw/32h8e04Mo8thD/4M=; b=eyLGTqTe/U8eyB017/mshzU0iGsCOTOp57DxpY5+9FR1Vn5VjHR5ERbDTDteaFr0YL cnBhEIE+sqmM8g8LbFq/rFIKaOaPpWn3sIlUwJuL7ScDrn2tIr68HXLucEtPo9VT0X6r Xf0kXy0X5ZzyWupIBjDKS+Jd2iY14bJEAYVZk6vuVvT/0cTuwxc8cKnSS8NXUzv0UnDq nb9s2MwXHG/nalxMjSVcI8EEnhFB05+b7wCsNDJnHYD4+Du1M9foGhVwJzdrkeBND/TF dmu2B+Uk7YiF/H/mV0bNlAFIzKivPDNRqKXfO8FBYSNO0Pt3u3QLdTCN0K23OUKtj88U NUHg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1770341463; x=1770946263; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=EZsMKgrBGHcicHKcR8XAFs5upw/32h8e04Mo8thD/4M=; b=tQUypww30AvkoGbkZFwKHL88gItPl04FaEGiF/4BwyUuAhWiR0dxfDxaBM3x55tU+l bWsyCuVw/7LEfGQSIHFE9NmLHjifwHVeUsW87gGrqirkTneFxBDQlIot5FxReGvAe4ya 6gaBPHTip00+StYnaB6FTUn+lPfWs22H4xcc8HPrNmouZ3g5ypBhPOfkEfOVk1mlsZun e6IYyYtPGNHlycdn4B0E7KH0B2zsFoEHq600OIPR2Rd0ZyMUUZ33ayo1JVnuNEciGrPD YwaJj0XqYxm9f3gaXp+StOus369YPT5w0k2n/NSPxnfmfMVXhB6BAVr+p7OO++hHBOaz wc3Q== X-Forwarded-Encrypted: i=1; AJvYcCXSS+TgpkD8KNoZv0VtGj0pRbWtvwcu7p03MDv0RRHHYFIuAC3teq8NBgv9MjtutEKsLBopNhf6G2bTp04=@vger.kernel.org X-Gm-Message-State: AOJu0YwxG61IDM/zdLcG/f4h7s3fNsYVK62NHDqJwPmV+QNEzYauJxhE hF2G28s9tJQD32vephRH6BBwnOG3jEFIVDjy6uht9JEpMeEn152G0BdaHD9ihM3bPcwyhDVFfKj ZdwBkkw== X-Received: from plod6.prod.google.com ([2002:a17:902:8546:b0:2a0:903c:f08f]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:902:d2cc:b0:2a0:afeb:fbbb with SMTP id d9443c01a7336-2a95160bd31mr11756335ad.1.1770341462779; Thu, 05 Feb 2026 17:31:02 -0800 (PST) Date: Thu, 5 Feb 2026 17:31:01 -0800 In-Reply-To: <20260115011312.3675857-22-yosry.ahmed@linux.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260115011312.3675857-1-yosry.ahmed@linux.dev> <20260115011312.3675857-22-yosry.ahmed@linux.dev> Message-ID: Subject: Re: [PATCH v4 21/26] KVM: SVM: Rename vmcb->virt_ext to vmcb->misc_ctl2 From: Sean Christopherson To: Yosry Ahmed Cc: Paolo Bonzini , kvm@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="us-ascii" On Thu, Jan 15, 2026, Yosry Ahmed wrote: > @@ -244,6 +241,8 @@ struct __attribute__ ((__packed__)) vmcb_control_area { > #define SVM_MISC_CTL_SEV_ENABLE BIT(1) > #define SVM_MISC_CTL_SEV_ES_ENABLE BIT(2) > > +#define SVM_MISC_CTL2_LBR_CTL_ENABLE BIT_ULL(0) > +#define SVM_MISC_CTL2_V_VMLOAD_VMSAVE_ENABLE BIT_ULL(1) Since you're changing names anyways, What do you think about shortening things a bit, and using the more standard syle of __? E.g. #define SVM_MISC2_ENABLE_LBR_VIRTUALIZATION BIT_ULL(0) #define SVM_MISC2_ENABLE_V_VMLOAD_VMSAVE BIT_ULL(1) Yeah, it diverges from many of the other bits in here, but frankly the names in this file are *awful*. Actually, maybe that would prompt me to send a cleanup, because the fact that we have this set of flags is beyond ridiculous (I geniunely don't remember what V_GIF_MASK tracks, off the top of my head). And in isolation, I can't remember iof V_IRQ_MASK is an enable flag or a "IRQs are masked" flagged. #define V_IRQ_MASK #define V_INTR_MASKING_MASK #define V_GIF_MASK #define V_GIF_ENABLE_MASK