From: Paolo Bonzini <pbonzini@redhat.com>
To: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: KVM <kvm@vger.kernel.org>,
kvm-ppc@vger.kernel.org, kvmarm@lists.cs.columbia.edu,
linux-mips@linux-mips.org,
Cornelia Huck <cornelia.huck@de.ibm.com>,
Alexander Graf <agraf@suse.de>
Subject: Re: [PATCH/RFC 2/2] KVM: push down irq_save from kvm_guest_exit
Date: Tue, 28 Apr 2015 14:12:42 +0000 [thread overview]
Message-ID: <553F955A.6050804@redhat.com> (raw)
In-Reply-To: <553F94CF.2080409@de.ibm.com>
On 28/04/2015 16:10, Christian Borntraeger wrote:
> > Alternatively, the irq-disabled versions could be called
> > __kvm_guest_{enter,exit}. Then you can use those directly when it makes
> > sense.
>
> ..having a special __kvm_guest_{enter,exit} without the WARN_ON might be even
> the cheapest way. In that way I could leave everything besides s390 alone and
> arch maintainers can do a followup patch if appropriate.
That's certainly fine with me.
Paolo
WARNING: multiple messages have this Message-ID (diff)
From: Paolo Bonzini <pbonzini@redhat.com>
To: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: KVM <kvm@vger.kernel.org>,
kvm-ppc@vger.kernel.org, kvmarm@lists.cs.columbia.edu,
linux-mips@linux-mips.org,
Cornelia Huck <cornelia.huck@de.ibm.com>,
Alexander Graf <agraf@suse.de>
Subject: Re: [PATCH/RFC 2/2] KVM: push down irq_save from kvm_guest_exit
Date: Tue, 28 Apr 2015 16:12:42 +0200 [thread overview]
Message-ID: <553F955A.6050804@redhat.com> (raw)
In-Reply-To: <553F94CF.2080409@de.ibm.com>
On 28/04/2015 16:10, Christian Borntraeger wrote:
> > Alternatively, the irq-disabled versions could be called
> > __kvm_guest_{enter,exit}. Then you can use those directly when it makes
> > sense.
>
> ..having a special __kvm_guest_{enter,exit} without the WARN_ON might be even
> the cheapest way. In that way I could leave everything besides s390 alone and
> arch maintainers can do a followup patch if appropriate.
That's certainly fine with me.
Paolo
next prev parent reply other threads:[~2015-04-28 14:12 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-28 10:32 [PATCH/RFC 0/2] KVM: micro-optimization and interrupt disabling Christian Borntraeger
2015-04-28 10:32 ` Christian Borntraeger
2015-04-28 10:32 ` [PATCH/RFC 1/2] KVM: Push down irq_save to architectures before kvm_guest_enter Christian Borntraeger
2015-04-28 10:32 ` Christian Borntraeger
2015-04-28 10:32 ` [PATCH/RFC 2/2] KVM: push down irq_save from kvm_guest_exit Christian Borntraeger
2015-04-28 10:32 ` Christian Borntraeger
2015-04-28 11:37 ` Paolo Bonzini
2015-04-28 11:37 ` Paolo Bonzini
2015-04-28 14:10 ` Christian Borntraeger
2015-04-28 14:10 ` Christian Borntraeger
2015-04-28 14:12 ` Paolo Bonzini [this message]
2015-04-28 14:12 ` Paolo Bonzini
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