From: Shivansh Dhiman <shivansh.dhiman@amd.com>
To: Sean Christopherson <seanjc@google.com>,
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: Wed, 11 Mar 2026 09:42:30 +0530 [thread overview]
Message-ID: <68b25792-051e-4b11-8e53-ee81d90bb969@amd.com> (raw)
In-Reply-To: <abBE5GC0QhaoWDVb@google.com>
On 10-03-2026 21:50, Sean Christopherson wrote:
> 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.
Ah, I understand it now. Thanks for correcting.
- Shivansh
next prev parent reply other threads:[~2026-03-11 4:12 UTC|newest]
Thread overview: 39+ 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
2026-03-11 4:12 ` Shivansh Dhiman [this message]
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
2026-08-10 8:39 ` Shivansh Dhiman
2026-08-12 23:27 ` Sean Christopherson
2026-08-13 8:19 ` Nikunj A. Dadhania
2026-08-13 23:47 ` Sean Christopherson
2026-08-14 3:07 ` Nikunj A. Dadhania
2026-08-14 16:57 ` Sean Christopherson
2026-08-19 12:08 ` Shivansh Dhiman
2026-08-21 13:28 ` Sean Christopherson
2026-08-24 6:30 ` 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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