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Re: [Qemu-devel] port io mem leak


From: Avi Kivity
Subject: Re: [Qemu-devel] port io mem leak
Date: Wed, 29 Feb 2012 18:41:10 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:9.0) Gecko/20111222 Thunderbird/9.0

On 02/29/2012 06:39 PM, Michael S. Tsirkin wrote:
> On Wed, Feb 29, 2012 at 06:36:10PM +0200, Avi Kivity wrote:
> > On 02/29/2012 06:18 PM, Anthony Liguori wrote:
> > > On 02/29/2012 10:16 AM, Michael S. Tsirkin wrote:
> > >> Valgrind shows a memory leak below:
> > >
> > > Is this with Avi's latest branch or is this in qemu.git?
> > 
> > Looks like qemu.git.
>
> This is a merge of your for-mst and my bridge patches.
> Take a look at 'valgrind' branch on my github tree
> if you like:
>

The bug is present in qemu.git, my patches don't touch it:

void isa_register_portio_list(ISADevice *dev, uint16_t start,
                              const MemoryRegionPortio *pio_start,
                              void *opaque, const char *name)
{
    PortioList *piolist = g_new(PortioList, 1);

^ leaked


    /* START is how we should treat DEV, regardless of the actual
       contents of the portio array.  This is how the old code
       actually handled e.g. the FDC device.  */
    isa_init_ioport(dev, start);

    portio_list_init(piolist, pio_start, opaque, name);
    portio_list_add(piolist, isabus->address_space_io, start);
}

It's only a problem if we allow unplug, which we shouldn't for these
devices.

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




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