From nobody Sat Feb 14 05:45:14 2026 Received: from mail-yw1-f201.google.com (mail-yw1-f201.google.com [209.85.128.201]) (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 7B61E1419AD for ; Fri, 17 May 2024 17:40:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715967601; cv=none; b=jUsdXGwCiUzPUyFM7EC0+Qj0wu0Cjap+naFhJsEuSznp6IPo0DZdIqL9cSVPOBZ7kLnADtkcvr0kIw0R7fU79xEhaqkpLy0KJ/t7b3yERaohFUYLatEPXDBPmtdS2KdUWljr8EpDDmm28RFpQsQfo4J83EKWbHaIXiF6QKiSxZ4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715967601; c=relaxed/simple; bh=laZKFsXjLB6k3TKhu7t99v7hDnzkfbuO6HPnpt9yaCw=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=NfX3bCzn7Y8qzQWB2HhxwnDPNplnaMtAN+rB4YbcIS/sgojnHVBdkIKGPbEddfrdSiNQ4F6LQ4CqH1AdOg5fZ07hp9Is5S+RvppUg0IqDz08/BNGSKRq+91Fn2neX570E/yTn55H4G/VVWlcfVDo8fqpN4+g0GjtjEDqwmE8RAA= 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=BRxvpZO+; arc=none smtp.client-ip=209.85.128.201 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="BRxvpZO+" Received: by mail-yw1-f201.google.com with SMTP id 00721157ae682-61be4b79115so182504137b3.1 for ; Fri, 17 May 2024 10:40:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1715967599; x=1716572399; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:from:to:cc:subject:date:message-id:reply-to; bh=cJS16Zy4jomaDCrDnpvskk8dKRRVP3ZQ5kOPgDcUpWE=; b=BRxvpZO+KD33aBejaJAk+lBl1GF50WRlDAn8GoJnQqzQt24vQ+zaBl+X3diFvx0EIS fSFmauaRthR8vBYD4w8uJWCj3OHhz/DlTCmvPoo0zR6YZ6eHxxE8tz5EcslHXHQNRHJw 5Y30FAywWhJ4ZuEMvYnODfxWGgjPvH8XJIkyGmP4AqH0MlUztVGfapCySG5qRvxSKs05 K6o+Ikn4eaEmbfg0BGFN64NCjV5EJSnC1lAe9pCXaj2rs+HAh7NT/0YHAn2XgmRmhZqK Ym3jm+HfPny3E1ZlxLNHjt7d5+7VBLxR2t1vlM7SxxnDYfMl1kMeKDQUFBZuVHOOP5CV O9TA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1715967599; x=1716572399; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=cJS16Zy4jomaDCrDnpvskk8dKRRVP3ZQ5kOPgDcUpWE=; b=FZqXjejogWCNUcQurgDgFjTWhzDH0NKQd8mu5L0QqLqVlDmutL4ox3fNKcNeEp/0wA BZ6mQJlptF2qmCvFFhZVfzsvkc0OHt+gdmosp80i9jfAAY7YJgfWkBBAxaRwflaq7/Dh kBGg2JzXFDFOQbLQHbJslH01fYofexPwZZMp+cqSIk/piwYmLpq7RkT8K9a2VrPCYTrG medKznsyNewRzXQ2GSiewaB9kvbbDC20aEyXOoqcxjp/vacfj9UwshXopkGRySG645TS 48adHKWOiOqtsaoh1Yx+zi7RuBd13dM3kBrc74GAfqYOerLMR29TzSuksdFvbxhks07j uIaA== X-Forwarded-Encrypted: i=1; AJvYcCX72lu1YnMf7dLuMiksjr08D+OcyMTynZ2wNFyfaeT8DVczNQ8xry2xg9HG6Yt2XY59ZOV/IxtLg+CTdD1qIRwi7YfekEJBeFNgue+Q X-Gm-Message-State: AOJu0YxE62IuhuPGMnTekqrduHmqvVdeF8UgsDsXA5rydg/JMMqI20jU opXSVvJtqo2CRzhOXgu1HoJnsh5rM8PFAKIDppYcBiKyhBMS7YTvpjxSqRXgdnjuQb3ZE+a5Jlf MqQ== X-Google-Smtp-Source: AGHT+IG6sDb+l7JQGlPZIrkJ7g7F2grqtg0n5NTQqlnhw/CCkoehSoqPccYLZqAwNK4SKFkmmia+KX5yuiA= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a05:6902:102d:b0:dee:6802:dc49 with SMTP id 3f1490d57ef6-dee6802f337mr4772588276.1.1715967599568; Fri, 17 May 2024 10:39:59 -0700 (PDT) Reply-To: Sean Christopherson Date: Fri, 17 May 2024 10:38:45 -0700 In-Reply-To: <20240517173926.965351-1-seanjc@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240517173926.965351-1-seanjc@google.com> X-Mailer: git-send-email 2.45.0.215.g3402c0e53f-goog Message-ID: <20240517173926.965351-9-seanjc@google.com> Subject: [PATCH v2 08/49] KVM: x86: Move __kvm_is_valid_cr4() definition to x86.h From: Sean Christopherson To: Paolo Bonzini , Sean Christopherson , Vitaly Kuznetsov Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Hou Wenlong , Kechen Lu , Oliver Upton , Maxim Levitsky , Binbin Wu , Yang Weijiang , Robert Hoo Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Let vendor code inline __kvm_is_valid_cr4() now x86.c's cr4_reserved_bits no longer exists, as keeping cr4_reserved_bits local to x86.c was the only reason for "hiding" the definition of __kvm_is_valid_cr4(). No functional change intended. Signed-off-by: Sean Christopherson Reviewed-by: Maxim Levitsky --- arch/x86/kvm/x86.c | 9 --------- arch/x86/kvm/x86.h | 6 +++++- 2 files changed, 5 insertions(+), 10 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 3f20de4368a6..2f6dda723005 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1130,15 +1130,6 @@ int kvm_emulate_xsetbv(struct kvm_vcpu *vcpu) } EXPORT_SYMBOL_GPL(kvm_emulate_xsetbv); =20 -bool __kvm_is_valid_cr4(struct kvm_vcpu *vcpu, unsigned long cr4) -{ - if (cr4 & vcpu->arch.cr4_guest_rsvd_bits) - return false; - - return true; -} -EXPORT_SYMBOL_GPL(__kvm_is_valid_cr4); - static bool kvm_is_valid_cr4(struct kvm_vcpu *vcpu, unsigned long cr4) { return __kvm_is_valid_cr4(vcpu, cr4) && diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h index d80a4c6b5a38..4a723705a139 100644 --- a/arch/x86/kvm/x86.h +++ b/arch/x86/kvm/x86.h @@ -491,7 +491,6 @@ static inline void kvm_machine_check(void) void kvm_load_guest_xsave_state(struct kvm_vcpu *vcpu); void kvm_load_host_xsave_state(struct kvm_vcpu *vcpu); int kvm_spec_ctrl_test_value(u64 value); -bool __kvm_is_valid_cr4(struct kvm_vcpu *vcpu, unsigned long cr4); int kvm_handle_memory_failure(struct kvm_vcpu *vcpu, int r, struct x86_exception *e); int kvm_handle_invpcid(struct kvm_vcpu *vcpu, unsigned long type, gva_t gv= a); @@ -505,6 +504,11 @@ bool kvm_msr_allowed(struct kvm_vcpu *vcpu, u32 index,= u32 type); #define KVM_MSR_RET_INVALID 2 /* in-kernel MSR emulation #GP condition */ #define KVM_MSR_RET_FILTERED 3 /* #GP due to userspace MSR filter */ =20 +static inline bool __kvm_is_valid_cr4(struct kvm_vcpu *vcpu, unsigned long= cr4) +{ + return !(cr4 & vcpu->arch.cr4_guest_rsvd_bits); +} + #define __cr4_reserved_bits(__cpu_has, __c) \ ({ \ u64 __reserved_bits =3D CR4_RESERVED_BITS; \ --=20 2.45.0.215.g3402c0e53f-goog