From: Andrew Jones <drjones@redhat.com>
To: "Radim Krčmář" <rkrcmar@redhat.com>
Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
Paolo Bonzini <pbonzini@redhat.com>,
Marc Zyngier <marc.zyngier@arm.com>,
Christian Borntraeger <borntraeger@de.ibm.com>,
Cornelia Huck <cornelia.huck@de.ibm.com>,
James Hogan <james.hogan@imgtec.com>,
Paul Mackerras <paulus@ozlabs.org>,
Christoffer Dall <christoffer.dall@linaro.org>
Subject: Re: [PATCH 5/5] KVM: add kvm_request_pending
Date: Fri, 17 Feb 2017 10:51:46 +0100 [thread overview]
Message-ID: <20170217095146.xmp4e5m22qozhq2i@kamzik.brq.redhat.com> (raw)
In-Reply-To: <20170216160449.13094-6-rkrcmar@redhat.com>
On Thu, Feb 16, 2017 at 05:04:49PM +0100, Radim Krčmář wrote:
...
> diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
> index 2cc438685af8..563cf964dc5c 100644
> --- a/include/linux/kvm_host.h
> +++ b/include/linux/kvm_host.h
> @@ -1101,6 +1101,11 @@ static inline int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args)
> * should contain kvm_vcpu_kick().
> */
>
> +static inline bool kvm_request_pending(struct kvm_vcpu *vcpu)
> +{
> + return vcpu->requests;
How about wrapping this with READ_ONCE for good measure?
> +}
> +
> static inline void __kvm_request_set(unsigned req, struct kvm_vcpu *vcpu)
> {
> set_bit(req, &vcpu->requests);
> --
> 2.11.1
>
Thanks,
drew
next prev parent reply other threads:[~2017-02-17 9:52 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-16 16:04 [PATCH 0/5] KVM: rename and extend vcpu->requests API Radim Krčmář
2017-02-16 16:04 ` [PATCH 1/5] KVM: change API for requests to match bit operations Radim Krčmář
2017-02-17 9:30 ` Cornelia Huck
2017-02-17 9:49 ` Andrew Jones
2017-02-17 9:52 ` Cornelia Huck
2017-02-17 15:01 ` Radim Krčmář
2017-02-16 16:04 ` [PATCH 2/5] KVM: add KVM request variants without barrier Radim Krčmář
2017-02-23 10:57 ` Paolo Bonzini
2017-02-23 15:50 ` Radim Krčmář
2017-02-16 16:04 ` [PATCH 3/5] KVM: optimize kvm_make_all_cpus_request Radim Krčmář
2017-02-16 16:04 ` [PATCH 4/5] KVM: add __kvm_request_needs_mb Radim Krčmář
2017-02-16 19:49 ` David Hildenbrand
2017-02-16 21:31 ` Radim Krčmář
2017-02-17 8:46 ` Christian Borntraeger
2017-02-17 10:13 ` David Hildenbrand
2017-02-17 10:19 ` Christian Borntraeger
2017-02-17 11:28 ` Christian Borntraeger
2017-02-22 15:17 ` Radim Krčmář
2017-02-22 19:23 ` Christian Borntraeger
2017-02-23 15:43 ` Radim Krčmář
2017-02-22 19:57 ` Christian Borntraeger
2017-02-23 10:20 ` David Hildenbrand
2017-02-23 15:39 ` Radim Krčmář
2017-02-24 11:34 ` Christoffer Dall
2017-02-24 12:46 ` Andrew Jones
2017-02-23 11:01 ` Paolo Bonzini
2017-02-23 15:52 ` Radim Krčmář
2017-02-16 16:04 ` [PATCH 5/5] KVM: add kvm_request_pending Radim Krčmář
2017-02-16 19:50 ` David Hildenbrand
2017-02-17 9:51 ` Andrew Jones [this message]
2017-02-17 14:59 ` Radim Krčmář
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