From: Sean Christopherson <seanjc@google.com>
To: Mingwei Zhang <mizhang@google.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
Wanpeng Li <wanpengli@tencent.com>,
Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
Oliver Upton <oupton@google.com>
Subject: Re: [PATCH 3/5] selftests: KVM: Introduce vcpu_run_interruptable()
Date: Thu, 25 Aug 2022 00:15:01 +0000 [thread overview]
Message-ID: <Ywa/BaYIdBi7N0iR@google.com> (raw)
In-Reply-To: <20220802230718.1891356-4-mizhang@google.com>
On Tue, Aug 02, 2022, Mingwei Zhang wrote:
> Introduce vcpu_run_interruptable() to allow selftests execute their own
> code when a vcpu is kicked out of KVM_RUN on receiving a POSIX signal.
But that's what __vcpu_run() is for. Clearing "immediate_exit" after KVM_RUN does
not scream "interruptible" to me.
There's only one user after this series, just clear vcpu->run->immediate_exit
manually in that test (a comment on _why_ it's cleared would be helpful).
> +int vcpu_run_interruptable(struct kvm_vcpu *vcpu)
> +{
> + int rc;
> +
> + rc = __vcpu_run(vcpu);
> +
> + vcpu->run->immediate_exit = 0;
> +
> + return rc;
> +}
> +
> int _vcpu_run(struct kvm_vcpu *vcpu)
> {
> int rc;
> --
> 2.37.1.455.g008518b4e5-goog
>
next prev parent reply other threads:[~2022-08-25 0:15 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-02 23:07 [PATCH 0/5] Fix a race between posted interrupt delivery and migration in a nested VM Mingwei Zhang
2022-08-02 23:07 ` [PATCH 1/5] KVM: x86: Get vmcs12 pages before checking pending interrupts Mingwei Zhang
2022-08-03 10:08 ` Maxim Levitsky
2022-08-03 16:45 ` Mingwei Zhang
2022-08-03 17:00 ` Mingwei Zhang
2022-08-03 18:36 ` Oliver Upton
2022-08-03 17:18 ` Paolo Bonzini
2022-08-03 17:51 ` Mingwei Zhang
2022-08-03 19:34 ` Maxim Levitsky
2022-08-25 0:11 ` Sean Christopherson
2022-08-25 2:51 ` Jim Mattson
2022-08-25 14:40 ` Sean Christopherson
2022-08-25 17:16 ` Mingwei Zhang
2022-08-25 17:53 ` Sean Christopherson
2022-08-25 20:35 ` Mingwei Zhang
2022-08-25 20:37 ` Mingwei Zhang
2022-08-25 23:21 ` Jim Mattson
2022-08-02 23:07 ` [PATCH 2/5] selftests: KVM/x86: Fix vcpu_{save,load}_state() by adding APIC state into kvm_x86_state Mingwei Zhang
2022-08-03 18:44 ` Oliver Upton
2022-08-03 19:21 ` Sean Christopherson
2022-08-03 23:55 ` Oliver Upton
2022-08-02 23:07 ` [PATCH 3/5] selftests: KVM: Introduce vcpu_run_interruptable() Mingwei Zhang
2022-08-25 0:15 ` Sean Christopherson [this message]
2022-08-28 19:21 ` Mingwei Zhang
2022-08-02 23:07 ` [PATCH 4/5] selftests: KVM: Add support for posted interrupt handling in L2 Mingwei Zhang
2022-08-25 0:16 ` Sean Christopherson
2022-08-28 19:29 ` Mingwei Zhang
2022-08-02 23:07 ` [PATCH 5/5] selftests: KVM: Test if posted interrupt delivery race with migration Mingwei Zhang
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=Ywa/BaYIdBi7N0iR@google.com \
--to=seanjc@google.com \
--cc=jmattson@google.com \
--cc=joro@8bytes.org \
--cc=kvm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mizhang@google.com \
--cc=oupton@google.com \
--cc=pbonzini@redhat.com \
--cc=vkuznets@redhat.com \
--cc=wanpengli@tencent.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox