From: Maxim Levitsky <mlevitsk@redhat.com>
To: Paolo Bonzini <pbonzini@redhat.com>, kvm@vger.kernel.org
Cc: Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, linux-kernel@vger.kernel.org,
"H. Peter Anvin" <hpa@zytor.com>,
Sean Christopherson <seanjc@google.com>,
Ingo Molnar <mingo@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
Borislav Petkov <bp@alien8.de>
Subject: Re: [PATCH v2 1/4] KVM: x86: refactor req_immediate_exit logic
Date: Thu, 28 Sep 2023 13:41:09 +0300 [thread overview]
Message-ID: <c6939a0d710438c4b3d3d98fb7b81030e9d01a0f.camel@redhat.com> (raw)
In-Reply-To: <93396a36-30fe-74d6-d812-a93dafa771cb@redhat.com>
> On 9/24/23 14:44, Maxim Levitsky wrote:
> > + if (vcpu->arch.req_immediate_exit)
> > kvm_make_request(KVM_REQ_EVENT, vcpu);
> > - static_call(kvm_x86_request_immediate_exit)(vcpu);
> > - }
>
> Is it enough for your use case to add a new tracepoint here, instead of
> adding req_immediate_exit to both entry and exit?
I prefer if possible to keep the req_immediate_exit field on entry only,
as it is pretty much an extension to the injected event data which I also
added to kvm_entry() tracepoint.
Best regards,
Maxim Levitsky
>
> Paolo
>
next prev parent reply other threads:[~2023-09-28 10:42 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-24 12:44 [PATCH v2 0/4] KVM: x86: tracepoint updates Maxim Levitsky
2023-09-24 12:44 ` [PATCH v2 1/4] KVM: x86: refactor req_immediate_exit logic Maxim Levitsky
2023-09-26 16:37 ` Paolo Bonzini
2023-09-28 10:41 ` Maxim Levitsky [this message]
2023-09-24 12:44 ` [PATCH v2 2/4] KVM: x86: add more information to the kvm_entry tracepoint Maxim Levitsky
2023-09-26 16:39 ` Paolo Bonzini
2023-09-28 10:41 ` Maxim Levitsky
2023-09-24 12:44 ` [PATCH v2 3/4] KVM: x86: add more information to kvm_exit tracepoint Maxim Levitsky
2023-09-26 16:40 ` Paolo Bonzini
2023-09-28 10:41 ` Maxim Levitsky
2023-09-24 12:44 ` [PATCH v2 4/4] KVM: x86: add new nested vmexit tracepoints Maxim Levitsky
2023-09-26 16:50 ` Paolo Bonzini
2023-09-28 10:42 ` Maxim Levitsky
2023-09-26 0:03 ` [PATCH v2 0/4] KVM: x86: tracepoint updates Sean Christopherson
2023-09-26 8:28 ` Maxim Levitsky
2023-09-26 16:36 ` Paolo Bonzini
2023-09-26 20:45 ` Sean Christopherson
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