From: Jan Kiszka <jan.kiszka@siemens.com>
To: Alexander Graf <agraf@suse.de>
Cc: qemu-devel <qemu-devel@nongnu.org>, kvm <kvm@vger.kernel.org>
Subject: Re: [Qemu-devel] qemu-kvm upstreaming: Do we want -kvm-shadow-memory semantics?
Date: Thu, 19 Jan 2012 14:30:32 +0100 [thread overview]
Message-ID: <4F181AF8.4010409@siemens.com> (raw)
In-Reply-To: <A9B74DB2-93CF-426F-9131-66CE29DB3C57@suse.de>
On 2012-01-19 14:24, Alexander Graf wrote:
>
>
> On 19.01.2012, at 13:46, Jan Kiszka <jan.kiszka@siemens.com> wrote:
>
>> Hi again,
>>
>> do we need some KVM knob comparable to qemu-kvm's -kvm-shadow-memory in
>> upstream?
>
> What does it do? Never heard of it :)
According to inline docs: "Chang[e] the number of mmu pages allocated to
the vm". That's from arch/x86/kvm/mmu.c, kvm_mmu_change_mmu_pages().
That's soft-MMU related so, I bet, of decreasing relevance for x86.
Jan
--
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux
next prev parent reply other threads:[~2012-01-19 13:30 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-19 12:46 [Qemu-devel] qemu-kvm upstreaming: Do we want -kvm-shadow-memory semantics? Jan Kiszka
2012-01-19 13:24 ` Alexander Graf
2012-01-19 13:30 ` Jan Kiszka [this message]
2012-01-19 13:42 ` Alexander Graf
2012-01-19 17:28 ` Marcelo Tosatti
2012-01-19 17:39 ` Jan Kiszka
2012-01-25 11:38 ` Avi Kivity
2012-01-25 11:57 ` Jan Kiszka
2012-01-25 12:04 ` Avi Kivity
2012-01-25 12:10 ` Jan Kiszka
2012-01-25 12:15 ` Avi Kivity
2012-01-25 12:26 ` Jan Kiszka
2012-01-25 12:33 ` Avi Kivity
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