On 29/09/2016 19:02, John Snow wrote: > > > On 09/29/2016 06:25 AM, Kevin Wolf wrote: >> John, can you have a look at the IDE code and check whether we can get >> rid of the deep recursion? It seems that the test issues a large request >> that is then split into many small requests. But it should be possible >> to do this iteratively rather than recursively. > > http://wiki.qemu.org/Features/IDE > > "Rewrite ide_atapi_cmd_reply_end to be fully non-recursive; and ideally > less confusing." > > Guess I have to float this one to the top.
Would it be enough to hide the call to s->bus->dma->ops->start_transfer behind a bottom half? Paolo
