From: Avi Kivity <avi@redhat.com>
To: Jan Kiszka <jan.kiszka@web.de>
Cc: Marcelo Tosatti <mtosatti@redhat.com>, kvm <kvm@vger.kernel.org>
Subject: Re: [PATCH] KVM: x86: Save&restore interrupt shadow mask
Date: Mon, 15 Feb 2010 08:33:58 +0200 [thread overview]
Message-ID: <4B78EAD6.2060204@redhat.com> (raw)
In-Reply-To: <4B782D7F.2040102@web.de>
On 02/14/2010 07:06 PM, Jan Kiszka wrote:
>> Needs a KVM_CAP_ and flags bit.
>>
> Why if merged before 2.6.33? We haven't released KVM_CAP_VCPU_EVENTS yet.
>
Userspace already knows the interrupt shadow mask free variant. Maybe
it all works out, but KVM_CAP_ bits are cheaper than checking (and
possibly getting it wrong).
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
prev parent reply other threads:[~2010-02-15 6:34 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-14 16:49 [PATCH] KVM: x86: Save&restore interrupt shadow mask Jan Kiszka
2010-02-14 16:57 ` Avi Kivity
2010-02-14 17:06 ` Jan Kiszka
2010-02-15 6:33 ` Avi Kivity [this message]
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