Date: Sat, 10 Sep 2011 17:28:12 +0300 From: Kostik Belousov <kostikbel@gmail.com> To: Hans Petter Selasky <hselasky@c2i.net> Cc: "src-committers@freebsd.org" <src-committers@freebsd.org>, re@freebsd.org, "svn-src-stable@freebsd.org" <svn-src-stable@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, "Robert N. M. Watson" <rwatson@freebsd.org>, "svn-src-stable-8@freebsd.org" <svn-src-stable-8@freebsd.org> Subject: Re: Request for patch approval (Re: svn commit: r225458 - in stable/8/sys: dev/usb dev/usb/quirk dev/usb/storage sys) Message-ID: <20110910142812.GO17489@deviant.kiev.zoral.com.ua> In-Reply-To: <201109101540.16656.hselasky@c2i.net> References: <D2195F50-8958-41DC-AA26-AEF3156F369B@freebsd.org> <3406F3E2-56E6-47FF-8A60-10DD9F3B3D10@FreeBSD.org> <201109101540.16656.hselasky@c2i.net>
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--hp0y2R9lOm5A3xbf Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Sep 10, 2011 at 03:40:16PM +0200, Hans Petter Selasky wrote: >=20 > > Right -- exactly my point. If this change breaks third-party compiled U= SB > > device drivers, then our current approach to device driver KBIs does not > > allow it to be MFC'd in this form. Are there ways you can reformulate t= he > > change to avoid breaking those drivers? Sometimes this can be done by > > adding new symbols, rather than replacing currently symbols, although > > mileage varies. >=20 > Hi, >=20 > Here is my proposal: >=20 > Implement test for automatic quirks in function which has access to the U= SB=20 > device structure. This decouples the structure change in "struct=20 > usbd_lookup_info". >=20 > The only structure which needs change is "struct usb_device". In 9-curren= t=20 > this structure will be kept as is. In 8-stable the new element will be mo= ved=20 > to the end of the structure like suggested, and then there shouldn't be a= ny=20 > problems. >=20 > Please find patches attached. >=20 > --HPS >=20 > Commit message: >=20 > Refactor auto-quirk solution so that we break as few external > drivers as possible. >=20 > PR: usb/160299 > Approved by: re (kib) > Suggested by: rwatson > MFC after: 0 days >=20 First, can you, please, regenerate the diff for stable/8 against the code before r225458 ? I want to read diff to see ABI change, assuming r225458 was not done at all. Second, you cannot decrement __FreeBSD_version. In fact, you shall increment it once more in the patch for stable/8. --hp0y2R9lOm5A3xbf Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (FreeBSD) iEYEARECAAYFAk5rc/sACgkQC3+MBN1Mb4jVFACgjL7UAnc6xBYTPg6siFESXQWR u1AAoOYptIt4IoKezFbzPJdrrOKgqfcm =jOV4 -----END PGP SIGNATURE----- --hp0y2R9lOm5A3xbf--
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