On Mon, Apr 2, 2012 at 2:08 PM, Paolo Bonzini <pbonz...@redhat.com> wrote: > Il 02/04/2012 14:07, Stefan Hajnoczi ha scritto: >> On Sat, Mar 31, 2012 at 09:15:10PM +0800, Li Zhi Hui wrote: >>> Replace bdrv_* to bdrv_aio_* functions in pio mode in fdc.c. >>> >>> Signed-off-by: Li Zhi Hui <zhihu...@linux.vnet.ibm.com> >>> --- >>> hw/fdc.c | 123 >>> +++++++++++++++++++++++++++++++++++++++++++++----------------- >>> 1 files changed, 89 insertions(+), 34 deletions(-) >> >> How can I test this patch? > > Looks like one of floppy=nodma or floppy.floppy=nodma should do it.
I'm getting the following output: $ cat /dev/fd0 >/dev/null floppy0: long rw: 24 instead of 12 rs=1 s=1 rh=0 h=0 rt=1 t=0 heads=2 eoc=0 spt=18 st=0 ss=1 in_sector_offset=0 It looks like pio mode doesn't even work with the Linux floppy driver today! Stefan
