qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-devel] qemu-kvm upstreaming: Do we want -kvm-shadow-memory sem


From: Jan Kiszka
Subject: Re: [Qemu-devel] qemu-kvm upstreaming: Do we want -kvm-shadow-memory semantics?
Date: Thu, 19 Jan 2012 14:30:32 +0100
User-agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666

On 2012-01-19 14:24, Alexander Graf wrote:
> 
> 
> On 19.01.2012, at 13:46, Jan Kiszka <address@hidden> 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



reply via email to

[Prev in Thread] Current Thread [Next in Thread]