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.
-------------------------------------------------------------------------
This SF.net email is sponsored by: Microsoft
Defy all challenges. Microsoft(R) Visual Studio 2008.
http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=47B94626.5080209@qumranet.com \
--to=avi@qumranet.com \
--cc=borntraeger@de.ibm.com \
--cc=hollisb@us.ibm.com \
--cc=kvm-devel@lists.sourceforge.net \
--cc=mtosatti@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.