From: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: kvm <kvm@vger.kernel.org>, Gleb Natapov <gleb@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Ulrich Obergfell <uobergfe@redhat.com>
Subject: Re: KVM: MMU: make kvm_mmu_available_pages robust against n_used_mmu_pages > n_max_mmu_pages
Date: Wed, 13 Mar 2013 13:17:11 +0800 [thread overview]
Message-ID: <51400BD7.9000503@linux.vnet.ibm.com> (raw)
In-Reply-To: <20130313013642.GA20722@amt.cnet>
On 03/13/2013 09:36 AM, Marcelo Tosatti wrote:
>
> As noticed by Ulrich Obergfell <uobergfe@redhat.com>, the mmu
> counters are for beancounting purposes only - so n_used_mmu_pages and
> n_max_mmu_pages could be relaxed (example: before f0f5933a1626c8df7b),
> resulting in n_used_mmu_pages > n_max_mmu_pages.
>
Interesting.
> Make code robust against n_used_mmu_pages > n_max_mmu_pages.
Reviewed-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
next prev parent reply other threads:[~2013-03-13 5:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-13 1:36 KVM: MMU: make kvm_mmu_available_pages robust against n_used_mmu_pages > n_max_mmu_pages Marcelo Tosatti
2013-03-13 5:17 ` Xiao Guangrong [this message]
2013-03-13 9:46 ` Gleb Natapov
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