From: Avi Kivity <avi@qumranet.com>
To: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: kvm-devel@lists.sourceforge.net,
Marcelo Tosatti <mtosatti@redhat.com>,
Hollis Blanchard <hollisb@us.ibm.com>
Subject: Re: [patch 3/5] KVM: hypercall batching
Date: Mon, 18 Feb 2008 10:47:34 +0200 [thread overview]
Message-ID: <47B94626.5080209@qumranet.com> (raw)
In-Reply-To: <200802180943.35353.borntraeger@de.ibm.com>
Christian Borntraeger wrote:
> Am Montag, 18. Februar 2008 schrieb Avi Kivity:
>
>>> AFAICS there is no guarantee about page-alignment here...
>>>
>
>
>> Kernel data is physically contiguous (true for per-cpu data as well?),
>> so no there's issue here.
>>
>
> Modules are loaded into vmalloc space, no? I think, if kvm is built as
> module, static module variables are not guaranteed to be contiguous.
>
It's not a module (the code is part of pv-ops for kvm, not the kvm host
itself).
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
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next prev parent reply other threads:[~2008-02-18 8:47 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20080216220924.733723618@redhat.com>
2008-02-16 22:09 ` [patch 1/5] KVM: add basic paravirt support Marcelo Tosatti
2008-02-16 22:09 ` [patch 2/5] KVM: hypercall based pte updates and TLB flushes Marcelo Tosatti
2008-02-16 22:09 ` [patch 3/5] KVM: hypercall batching Marcelo Tosatti
2008-02-16 22:09 ` [patch 4/5] KVM: ignore zapped root pagetables Marcelo Tosatti
2008-02-16 22:09 ` [patch 5/5] KVM: VMX cr3 cache support Marcelo Tosatti
2008-02-16 23:37 ` [patch 0/5] KVM paravirt MMU updates and cr3 caching Anthony Liguori
2008-02-17 2:24 ` Marcelo Tosatti
[not found] ` <20080216221220.843135254@redhat.com>
2008-02-17 8:28 ` [patch 2/5] KVM: hypercall based pte updates and TLB flushes Avi Kivity
2008-02-17 13:13 ` Avi Kivity
2008-02-17 14:51 ` Marcelo Tosatti
2008-02-17 14:57 ` Avi Kivity
2008-02-18 5:00 ` Marcelo Tosatti
2008-02-17 8:32 ` Avi Kivity
[not found] ` <20080216221220.924823582@redhat.com>
2008-02-17 8:40 ` [patch 3/5] KVM: hypercall batching Avi Kivity
2008-02-18 16:47 ` Marcelo Tosatti
2008-02-17 18:40 ` Hollis Blanchard
2008-02-18 8:06 ` Avi Kivity
2008-02-18 8:43 ` Christian Borntraeger
2008-02-18 8:47 ` Avi Kivity [this message]
[not found] ` <1203361276.3428.6.camel@basalt>
2008-02-19 8:30 ` Avi Kivity
[not found] ` <20080216221221.002948712@redhat.com>
2008-02-17 8:52 ` [patch 4/5] KVM: ignore zapped root pagetables Avi Kivity
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