From: Sean Christopherson <seanjc@google.com>
To: Shivansh Dhiman <shivansh.dhiman@amd.com>
Cc: pbonzini@redhat.com, linux-kernel@vger.kernel.org,
kvm@vger.kernel.org, tglx@linutronix.de, mingo@redhat.com,
bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org,
hpa@zytor.com, xin@zytor.com, nikunj.dadhania@amd.com,
santosh.shukla@amd.com
Subject: Re: [PATCH 5/7] KVM: SVM: Support FRED nested exception injection
Date: Tue, 10 Mar 2026 09:20:52 -0700 [thread overview]
Message-ID: <abBE5GC0QhaoWDVb@google.com> (raw)
In-Reply-To: <948e099c-ae1c-4586-8aa8-ff4946f47e18@amd.com>
On Tue, Mar 10, 2026, Shivansh Dhiman wrote:
>
> On 07-03-2026 07:37, Sean Christopherson wrote:
> > On Thu, Jan 29, 2026, Shivansh Dhiman wrote:
> >> @@ -363,6 +363,7 @@ static void svm_inject_exception(struct kvm_vcpu *vcpu)
> >> {
> >> struct kvm_queued_exception *ex = &vcpu->arch.exception;
> >> struct vcpu_svm *svm = to_svm(vcpu);
> >> + bool nested = is_fred_enabled(vcpu) && ex->nested;
> >
> > Reverse fir-tree please (swap this with the line above it). Similar to my comment
> > on the VMX series, us is_nested to avoid shadowing the global nested.
>
> Sure. Adding is_nested() helper should be a better choice. Will do that in v2.
Please don't add is_nested(). In KVM, "nested" means nested virtualization.
I don't see any reason to add a wrapper, it's a single boolean.
next prev parent reply other threads:[~2026-03-10 16:20 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-29 6:36 [PATCH 0/7] KVM: SVM: Enable FRED support Shivansh Dhiman
2026-01-29 6:36 ` [PATCH 1/7] KVM: SVM: Initialize FRED VMCB fields Shivansh Dhiman
2026-03-07 1:58 ` Sean Christopherson
2026-03-09 17:46 ` Shivansh Dhiman
2026-03-09 18:57 ` Sean Christopherson
2026-03-11 4:18 ` Shivansh Dhiman
2026-03-27 6:41 ` Shivansh Dhiman
2026-01-29 6:36 ` [PATCH 2/7] KVM: SVM: Disable interception of FRED MSRs for FRED supported guests Shivansh Dhiman
2026-03-07 2:10 ` Sean Christopherson
2026-03-09 17:47 ` Shivansh Dhiman
2026-01-29 6:36 ` [PATCH 3/7] KVM: SVM: Save restore FRED_RSP0 " Shivansh Dhiman
2026-03-05 20:37 ` Shivansh Dhiman
2026-01-29 6:36 ` [PATCH 4/7] KVM: SVM: Populate FRED event data on event injection Shivansh Dhiman
2026-03-06 11:31 ` Paolo Bonzini
2026-03-09 19:47 ` Shivansh Dhiman
2026-01-29 6:36 ` [PATCH 5/7] KVM: SVM: Support FRED nested exception injection Shivansh Dhiman
2026-03-07 2:07 ` Sean Christopherson
2026-03-10 15:56 ` Shivansh Dhiman
2026-03-10 16:20 ` Sean Christopherson [this message]
2026-03-11 4:12 ` Shivansh Dhiman
2026-01-29 6:36 ` [PATCH 6/7] KVM: SVM: Dump FRED context in dump_vmcb() Shivansh Dhiman
2026-03-07 2:03 ` Sean Christopherson
2026-03-09 19:57 ` Shivansh Dhiman
2026-01-29 6:36 ` [PATCH 7/7] KVM: SVM: Enable save/restore of FRED MSRs Shivansh Dhiman
2026-03-07 2:14 ` Sean Christopherson
2026-03-09 18:20 ` Shivansh Dhiman
2026-02-06 9:22 ` [PATCH 0/7] KVM: SVM: Enable FRED support Shivansh Dhiman
2026-02-11 0:53 ` Andrew Cooper
2026-03-06 9:33 ` Shivansh Dhiman
2026-03-03 17:58 ` Shivansh Dhiman
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