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From: Sean Christopherson <seanjc@google.com>
To: Maxim Levitsky <mlevitsk@redhat.com>
Cc: kvm@vger.kernel.org, Sandipan Das <sandipan.das@amd.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Jim Mattson <jmattson@google.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Borislav Petkov <bp@alien8.de>,
	Pawan Gupta <pawan.kumar.gupta@linux.intel.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>,
	Josh Poimboeuf <jpoimboe@kernel.org>,
	Daniel Sneddon <daniel.sneddon@linux.intel.com>,
	Jiaxi Chen <jiaxi.chen@linux.intel.com>,
	Babu Moger <babu.moger@amd.com>,
	linux-kernel@vger.kernel.org, Jing Liu <jing2.liu@intel.com>,
	Wyes Karny <wyes.karny@amd.com>,
	x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH v2 05/11] KVM: x86: emulator: stop using raw host flags
Date: Sat, 28 Jan 2023 00:58:48 +0000	[thread overview]
Message-ID: <Y9RzSJuGmIQf1kxA@google.com> (raw)
In-Reply-To: <20221129193717.513824-6-mlevitsk@redhat.com>

On Tue, Nov 29, 2022, Maxim Levitsky wrote:
> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> index f18f579ebde81c..85d2a12c214dda 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -8138,9 +8138,14 @@ static void emulator_set_nmi_mask(struct x86_emulate_ctxt *ctxt, bool masked)
>  	static_call(kvm_x86_set_nmi_mask)(emul_to_vcpu(ctxt), masked);
>  }
>  
> -static unsigned emulator_get_hflags(struct x86_emulate_ctxt *ctxt)
> +static bool emulator_in_smm(struct x86_emulate_ctxt *ctxt)
>  {
> -	return emul_to_vcpu(ctxt)->arch.hflags;
> +	return emul_to_vcpu(ctxt)->arch.hflags & HF_SMM_MASK;

This needs to be is_smm() as HF_SMM_MASK is undefined if CONFIG_KVM_SMM=n.

> +}
> +
> +static bool emulator_in_guest_mode(struct x86_emulate_ctxt *ctxt)
> +{
> +	return emul_to_vcpu(ctxt)->arch.hflags & HF_GUEST_MASK;

And just use is_guest_mode() here.

  reply	other threads:[~2023-01-28  0:58 UTC|newest]

Thread overview: 66+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-29 19:37 [PATCH v2 00/11] SVM: vNMI (with my fixes) Maxim Levitsky
2022-11-29 19:37 ` [PATCH v2 01/11] KVM: nSVM: don't sync back tlb_ctl on nested VM exit Maxim Levitsky
2022-12-05 14:05   ` Santosh Shukla
2022-12-06 12:13     ` Maxim Levitsky
2022-11-29 19:37 ` [PATCH v2 02/11] KVM: nSVM: clean up the copying of V_INTR bits from vmcb02 to vmcb12 Maxim Levitsky
2023-01-28  0:37   ` Sean Christopherson
2023-01-31  1:44     ` Sean Christopherson
2023-02-24 14:38       ` Maxim Levitsky
2023-02-24 16:48         ` Sean Christopherson
2022-11-29 19:37 ` [PATCH v2 03/11] KVM: nSVM: explicitly raise KVM_REQ_EVENT on nested VM exit if L1 doesn't intercept interrupts Maxim Levitsky
2023-01-28  0:56   ` Sean Christopherson
2023-01-30 18:41     ` Sean Christopherson
2022-11-29 19:37 ` [PATCH v2 04/11] KVM: SVM: drop the SVM specific H_FLAGS Maxim Levitsky
2022-12-05 15:31   ` Santosh Shukla
2023-01-28  0:56   ` Sean Christopherson
2022-11-29 19:37 ` [PATCH v2 05/11] KVM: x86: emulator: stop using raw host flags Maxim Levitsky
2023-01-28  0:58   ` Sean Christopherson [this message]
2023-02-24 14:38     ` Maxim Levitsky
2022-11-29 19:37 ` [PATCH v2 06/11] KVM: SVM: add wrappers to enable/disable IRET interception Maxim Levitsky
2022-12-05 15:41   ` Santosh Shukla
2022-12-06 12:14     ` Maxim Levitsky
2022-12-08 12:09       ` Santosh Shukla
2022-12-08 13:44         ` Maxim Levitsky
2023-01-31 21:07           ` Sean Christopherson
2023-02-13 14:50             ` Santosh Shukla
2022-11-29 19:37 ` [PATCH v2 07/11] KVM: x86: add a delayed hardware NMI injection interface Maxim Levitsky
2023-01-28  1:09   ` Sean Christopherson
2023-01-31 21:12     ` Sean Christopherson
2023-02-08  9:35       ` Santosh Shukla
2023-02-08  9:32     ` Santosh Shukla
2023-02-24 14:39     ` Maxim Levitsky
2023-01-31 22:28   ` Sean Christopherson
2023-02-01  0:06     ` Sean Christopherson
2023-02-08  9:51       ` Santosh Shukla
2023-02-08 16:09         ` Sean Christopherson
2023-02-08  9:43     ` Santosh Shukla
2023-02-08 16:06       ` Sean Christopherson
2023-02-14 10:22         ` Santosh Shukla
2023-02-15 22:43           ` Sean Christopherson
2023-02-16  0:22             ` Sean Christopherson
2023-02-17  7:56               ` Santosh Shukla
2022-11-29 19:37 ` [PATCH v2 08/11] x86/cpu: Add CPUID feature bit for VNMI Maxim Levitsky
2022-11-29 19:37 ` [PATCH v2 09/11] KVM: SVM: Add VNMI bit definition Maxim Levitsky
2023-01-31 22:42   ` Sean Christopherson
2023-02-02  9:42     ` Santosh Shukla
2022-11-29 19:37 ` [PATCH v2 10/11] KVM: SVM: implement support for vNMI Maxim Levitsky
2022-12-04 17:18   ` Maxim Levitsky
2022-12-05 17:07   ` Santosh Shukla
2023-01-28  1:10   ` Sean Christopherson
2023-02-10 12:02     ` Santosh Shukla
2023-02-01  0:22   ` Sean Christopherson
2023-02-01  0:39     ` Sean Christopherson
2023-02-10 12:24     ` Santosh Shukla
2023-02-10 16:44       ` Sean Christopherson
2022-11-29 19:37 ` [PATCH v2 11/11] KVM: nSVM: implement support for nested VNMI Maxim Levitsky
2022-12-05 17:14   ` Santosh Shukla
2022-12-06 12:19     ` Maxim Levitsky
2022-12-08 12:11       ` Santosh Shukla
2023-02-01  0:44   ` Sean Christopherson
2022-12-06  9:58 ` [PATCH v2 00/11] SVM: vNMI (with my fixes) Santosh Shukla
2023-02-01  0:24   ` Sean Christopherson
2022-12-20 10:27 ` Maxim Levitsky
2022-12-21 18:44   ` Sean Christopherson
2023-01-15  9:05 ` Maxim Levitsky
2023-01-28  1:13 ` Sean Christopherson
2023-02-01 19:13 ` Sean Christopherson

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