From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 7527743B3F6; Wed, 5 Aug 2026 11:04:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=13.77.154.182 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785927843; cv=none; b=A05d/PKTZDE028MLuA6wdFoWLSEmF1wLooxWNaEeC61PH4D0I6axYjoQi6i6RgcZYITPbvNHm23vQlBgQ7NPjnV2wCVdkRud/1oHzvmXzdYcNwz9RE33sg1fUrienP1UP+btp0V7Vn2NXzxsfoCzY7Cc1EOFS+wcpzFD5MLhXYo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785927843; c=relaxed/simple; bh=fd1fZGkKlRI0hsVdzhb2l4RtI1jIs/V9mpyhR9PBfEY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=YJJBhkMiSLoIvq0wLEQulaXyjF93DBWD1QavLg22/i/l34cJUuyOPa9xePHIh5LPTMyoOADfbg8i3WUreuFJx/B2y5aIzYf7aTlp/GwErdJGWdL9dxfxK+Wq8dcPFEjHMEnylQhKvp5SIL0OdFh/UI9kt7vJWk8shdk+pseB1QE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com; spf=pass smtp.mailfrom=linux.microsoft.com; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b=T5DO/7Vt; arc=none smtp.client-ip=13.77.154.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b="T5DO/7Vt" Received: from fedora.hsd1.wa.comcast.net (unknown [52.148.140.42]) by linux.microsoft.com (Postfix) with ESMTPSA id C617D20B716A; Wed, 5 Aug 2026 04:03:41 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com C617D20B716A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1785927821; bh=67aOwmHOj/Q52K+V5Ek1yk9wbvv+XpwwjutWPwsyzDg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=T5DO/7VtUathSgXOq+CnarGbw7kLvSYGcG/eiyvh26+fgo7zbwYm9s/4rPSKvKWe1 3KsN04n5qtQ+fzvEDEu14uGRZMz6Mx9wXkWcFFy0Hg96AL1Bw924uDzH68BYAEPIHa R7cBrXwOVShJWgHqJNmOBfoIYeIZtcLHLzeF6NiU= From: Sriram Nambakam To: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Subject: [RFC PATCH v1 21/42] KVM: x86: exit VM planes and VBS hypercalls to userspace Date: Wed, 5 Aug 2026 04:03:03 -0700 Message-ID: <20260805110324.25067-22-snambakam@linux.microsoft.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260805110324.25067-1-snambakam@linux.microsoft.com> References: <20260805110324.25067-1-snambakam@linux.microsoft.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit --- arch/x86/kvm/x86.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index d4210053e6b8..00dcdd0e22a4 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -119,10 +119,11 @@ u64 __read_mostly efer_reserved_bits = ~((u64)(EFER_SCE | EFER_LME | EFER_LMA)); static u64 __read_mostly efer_reserved_bits = ~((u64)EFER_SCE); #endif -#define KVM_EXIT_HYPERCALL_VALID_MASK (BIT(KVM_HC_MAP_GPA_RANGE) | \ - BIT(KVM_HC_VM_PLANES_CONFIG) | \ - BIT(KVM_HC_VM_PLANES_ACTIVATE) | \ - BIT(KVM_HC_VBS_VTL_CALL)) +#define KVM_EXIT_HYPERCALL_VALID_MASK \ + ((1 << KVM_HC_MAP_GPA_RANGE) | \ + (1 << KVM_HC_VM_PLANES_CONFIG) | \ + (1 << KVM_HC_VM_PLANES_ACTIVATE) | \ + (1 << KVM_HC_VBS_VTL_CALL)) #define KVM_CAP_PMU_VALID_MASK KVM_PMU_CAP_DISABLE @@ -478,7 +479,7 @@ static unsigned int num_msr_based_features; unsigned kvm_x86_default_max_planes(struct kvm *kvm) { - return 1; + return 2; } EXPORT_SYMBOL_FOR_KVM_INTERNAL(kvm_x86_default_max_planes); -- 2.55.0