Re: [Qemu-devel] [PATCH v2 03/10] migration: stop decompression to allocate and free memory frequently

[Peter Xu <peterx@redhat.com>]

On Thu, Mar 29, 2018 at 11:43:07AM +0800, Xiao Guangrong wrote:
> 
> 
> On 03/28/2018 05:42 PM, Peter Xu wrote:
> > On Tue, Mar 27, 2018 at 05:10:36PM +0800, guangrong.xiao@gmail.com wrote:
> > 
> > [...]
> > 
> > > +static int compress_threads_load_setup(void)
> > > +{
> > > +    int i, thread_count;
> > > +
> > > +    if (!migrate_use_compression()) {
> > > +        return 0;
> > > +    }
> > > +
> > > +    thread_count = migrate_decompress_threads();
> > > +    decompress_threads = g_new0(QemuThread, thread_count);
> > > +    decomp_param = g_new0(DecompressParam, thread_count);
> > > +    qemu_mutex_init(&decomp_done_lock);
> > > +    qemu_cond_init(&decomp_done_cond);
> > > +    for (i = 0; i < thread_count; i++) {
> > > +        if (inflateInit(&decomp_param[i].stream) != Z_OK) {
> > > +            goto exit;
> > > +        }
> > > +        decomp_param[i].stream.opaque = &decomp_param[i];
> > 
> > Same question as the encoding patch here, otherwise looks good to me.
> 
> Thanks for you pointed out, will fix.
> 
> Hmm, can i treat it as your Reviewed-by for the next version?

Yes :), as long as we drop the usage of zstream.opaque and use any
existing fields.

And also for the previous patch too, since they are mostly the same.

Thanks,

-- 
Peter Xu