Date: Sat, 10 Sep 2011 11:21:00 +0000 From: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> To: Robert Watson <rwatson@FreeBSD.org> Cc: svn-src-stable@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, svn-src-stable-8@freebsd.org, Hans Petter Selasky <hselasky@FreeBSD.org> Subject: Re: svn commit: r225458 - in stable/8/sys: dev/usb dev/usb/quirk dev/usb/storage sys Message-ID: <28707761-AA24-43D5-AE8B-B0D8842C6F13@lists.zabbadoz.net> In-Reply-To: <alpine.BSF.2.00.1109101149120.62958@fledge.watson.org> References: <201109090744.p897iE9x027234@svn.freebsd.org> <alpine.BSF.2.00.1109101149120.62958@fledge.watson.org>
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On Sep 10, 2011, at 10:54 AM, Robert Watson wrote:
> On Fri, 9 Sep 2011, Hans Petter Selasky wrote:
>=20
>> Log:
>> MFC r225350 and r225400:
>>=20
>> This patch adds automatic detection of USB mass storage devices
>> which does not support the no synchronize cache SCSI command.
>>=20
>> The __FreeBSD_version version macro has been bumped and
>> external kernel modules needs to be recompiled after
>> this patch.
>>=20
>> PR: usb/160299
>=20
> For most other classes of hardware device driver framework KPIs -- =
especially things like PCI bus attachment, busdma, CAM, ifnet, and GEOM =
frameworks, our MFC rules would strictly disallow this sort of change, =
on the grounds that it is our KBI policy that we not break common =
classes of third-party device drivers (i.e., require them to be =
recompiled). My suspicion is that we should be applying the same rules =
to the USB framework -- however, I don't know if we have any third-party =
USB device drivers?
>=20
> (If we do, then this change should not have been MFC'd.)
We do have FreeBSD consumers with private USB drivers, yes.
/bz
--=20
Bjoern A. Zeeb You have to have visions!
Stop bit received. Insert coin for new address family.
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