From: Andre Przywara <andre.przywara@arm.com>
To: "Paolo Bonzini" <pbonzini@redhat.com>,
"Radim Krčmář" <rkrcmar@redhat.com>
Cc: "kvm@vger.kernel.org" <kvm@vger.kernel.org>,
Gleb Natapov <gleb@kernel.org>,
"kvmarm@lists.cs.columbia.edu" <kvmarm@lists.cs.columbia.edu>
Subject: Re: Reason for extra struct kvm_run parameter in MMIO handling?
Date: Mon, 09 Feb 2015 17:22:16 +0000 [thread overview]
Message-ID: <54D8ECC8.80609@arm.com> (raw)
In-Reply-To: <54D8DFC1.9030103@redhat.com>
Radim, Paolo,
On 09/02/15 16:26, Paolo Bonzini wrote:
> On 09/02/2015 17:21, Radim Krčmář wrote:
>>> So is that just legacy code still lingering around from the dawn of time
>>> and nobody dared to rework this or is there a particular reason for
>>> doing so?
>>
>> Probably laziness in 9a2bb7f486dc639a1cf2ad803bf2227f0dc0809d.
>
> Or microoptimization. Laziness is more likely though.
>
>>> I am asking because I lack the kvm_run pointer in the MMIO handler, so I
>>> just use vcpu->run and I wonder if there are potential issues in doing so.
>>
>> We do it at few places already, so there, hopefully, is no problem.
>
> Yup. Thanks Radim for answering!
thanks for the answer and the confirmation!
Looks like I don't dare to write a patch for that ;-)
Cheers,
Andre.
prev parent reply other threads:[~2015-02-09 17:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-06 17:30 Reason for extra struct kvm_run parameter in MMIO handling? Andre Przywara
2015-02-09 16:21 ` Radim Krčmář
2015-02-09 16:26 ` Paolo Bonzini
2015-02-09 17:22 ` Andre Przywara [this message]
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