Re: [Qemu-devel] [PATCH V3 1/6] ide/atapi: make PIO read requests async

2015-11-09 Thread John Snow
On 11/06/2015 03:42 AM, Peter Lieven wrote: > PIO read requests on the ATAPI interface used to be sync blk requests. > This has two significant drawbacks. First the main loop hangs util an > I/O request is completed and secondly if the I/O request does not > complete (e.g. due to an unresponsive

[Qemu-devel] [PATCH V3 1/6] ide/atapi: make PIO read requests async

2015-11-06 Thread Peter Lieven
PIO read requests on the ATAPI interface used to be sync blk requests. This has two significant drawbacks. First the main loop hangs util an I/O request is completed and secondly if the I/O request does not complete (e.g. due to an unresponsive storage) Qemu hangs completely. Note: Due to possible