From: Eric Blake <eblake@redhat.com>
To: John Snow <jsnow@redhat.com>, qemu-block@nongnu.org
Cc: kwolf@redhat.com, armbru@redhat.com, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH v4 12/12] fdc: change auto fallback drive for ISA FDC to 288
Date: Thu, 21 Jan 2016 10:41:40 -0700 [thread overview]
Message-ID: <56A11854.40105@redhat.com> (raw)
In-Reply-To: <1453272694-17106-13-git-send-email-jsnow@redhat.com>
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On 01/19/2016 11:51 PM, John Snow wrote:
> The 2.88 drive is more suitable as a default because
> it can still read 1.44 images correctly, but the reverse
> is not true.
>
> Since there exist virtio-win drivers that are shipped on
> 2.88 floppy images, this patch will allow VMs booted without
> a floppy disk inserted to later insert a 2.88MB floppy and
> have that work.
>
> This patch has been tested with msdos, freedos, fedora,
> windows 8 and windows 10 without issue: if problems do
> arise for certain guests being unable to cope with 2.88MB
> drives as the default, they are in the minority and can use
> type=144 as needed (or insert a proper boot medium and omit
> type=144/288 or use type=auto) to obtain different drive types.
>
> As icing, the default will remain auto/144 for any pre-2.6
> machine types, hopefully minimizing the impact of this change
> in legacy hw to basically zero.
>
> Signed-off-by: John Snow <jsnow@redhat.com>
> ---
> hw/block/fdc.c | 2 +-
> include/hw/compat.h | 4 ++++
> 2 files changed, 5 insertions(+), 1 deletion(-)
>
Reviewed-by: Eric Blake <eblake@redhat.com>
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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next prev parent reply other threads:[~2016-01-21 17:41 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-20 6:51 [Qemu-devel] [PATCH v4 00/12] fdc: fix 2.88mb floppy diskette support John Snow
2016-01-20 6:51 ` [Qemu-devel] [PATCH v4 01/12] fdc: move pick_geometry John Snow
2016-01-20 6:51 ` [Qemu-devel] [PATCH v4 02/12] fdc: reduce number of pick_geometry arguments John Snow
2016-01-20 20:30 ` Eric Blake
2016-01-20 6:51 ` [Qemu-devel] [PATCH v4 03/12] fdc: add drive type qapi enum John Snow
2016-01-20 20:33 ` Eric Blake
2016-01-20 20:49 ` John Snow
2016-01-20 6:51 ` [Qemu-devel] [PATCH v4 04/12] fdc: add disk field John Snow
2016-01-20 20:35 ` Eric Blake
2016-01-20 20:59 ` John Snow
2016-01-20 6:51 ` [Qemu-devel] [PATCH v4 05/12] fdc: Throw an assertion on misconfigured fd_formats table John Snow
2016-01-20 21:23 ` Eric Blake
2016-01-20 21:33 ` John Snow
2016-01-20 6:51 ` [Qemu-devel] [PATCH v4 06/12] fdc: add pick_drive John Snow
2016-01-20 22:30 ` Eric Blake
2016-01-20 6:51 ` [Qemu-devel] [PATCH v4 07/12] fdc: Add fallback option John Snow
2016-01-20 22:36 ` Eric Blake
2016-01-20 6:51 ` [Qemu-devel] [PATCH v4 08/12] fdc: add drive type option John Snow
2016-01-20 22:43 ` Eric Blake
2016-01-20 23:04 ` John Snow
2016-01-20 6:51 ` [Qemu-devel] [PATCH v4 09/12] fdc: add physical disk sizes John Snow
2016-01-20 22:48 ` Eric Blake
2016-01-20 23:06 ` John Snow
2016-01-20 6:51 ` [Qemu-devel] [PATCH v4 10/12] fdc: rework pick_geometry John Snow
2016-01-20 23:45 ` Eric Blake
2016-01-21 20:14 ` John Snow
2016-01-21 20:58 ` Eric Blake
2016-01-20 6:51 ` [Qemu-devel] [PATCH v4 11/12] qtest/fdc: Support for 2.88MB drives John Snow
2016-01-21 17:40 ` Eric Blake
2016-01-20 6:51 ` [Qemu-devel] [PATCH v4 12/12] fdc: change auto fallback drive for ISA FDC to 288 John Snow
2016-01-21 17:41 ` Eric Blake [this message]
2016-01-20 7:55 ` [Qemu-devel] [Qemu-block] [PATCH v4 00/12] fdc: fix 2.88mb floppy diskette support Denis V. Lunev
2016-01-20 19:40 ` John Snow
2016-01-20 19:43 ` Denis V. Lunev
2016-01-21 10:53 ` Roman Kagan
2016-01-21 14:59 ` John Snow
2016-01-21 15:37 ` Roman Kagan
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