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Re: [Qemu-devel] [RFC][PATCH 17/45] qemu-kvm: Track MSIRoutingCache in K


From: Avi Kivity
Subject: Re: [Qemu-devel] [RFC][PATCH 17/45] qemu-kvm: Track MSIRoutingCache in KVM routing table
Date: Mon, 17 Oct 2011 14:15:52 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:7.0) Gecko/20110927 Thunderbird/7.0

On 10/17/2011 01:25 PM, Jan Kiszka wrote:
> On 2011-10-17 13:13, Avi Kivity wrote:
> > On 10/17/2011 11:27 AM, Jan Kiszka wrote:
> >> Keep a link from the internal KVM routing table to potential MSI routing
> >> cache entries. The link is used so far whenever the entry is dropped to
> >> invalidate the cache content. It will allow us to build MSI routing
> >> entries on demand and flush existing ones on table overflow.
> >>
> > 
> > Does this not require a destructor for MSIRoutingCache?
>
> Yes, kvm_msi_cache_invalidate. Cache providers are responsible for
> invalidating used caches before freeing them. That also drops the
> reference established here.

Ah, apic.c's cache is static.  It looked to me as if you're immediately
leaking references to it, but you aren't.

-- 
error compiling committee.c: too many arguments to function




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