[7125] in linux-scsi channel archive
Re: aha2940 problem - more detail
daemon@ATHENA.MIT.EDU (Kurt Garloff)
Fri Sep 3 04:12:13 1999
Date: Fri, 3 Sep 1999 09:36:09 +0200
From: Kurt Garloff <garloff@suse.de>
To: Doug Ledford <dledford@redhat.com>
Cc: Linux-SCSI <linux-scsi@vger.rutgers.edu>
Mail-Followup-To: Doug Ledford <dledford@redhat.com>,
Linux-SCSI <linux-scsi@vger.rutgers.edu>
In-Reply-To: <37CBA753.3004426C@redhat.com>; from Doug Ledford on Tue, Aug 31, 1999 at 05:58:43AM -0400
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On Tue, Aug 31, 1999 at 05:58:43AM -0400, Doug Ledford wrote:
> Let me demonstrate, by means of an actuall aic7xxx setup line I have put =
into
> my lilo.conf in the past, why interpreting commas in a string variable is
> wrong and how the suggestion you made would break my parser:
>=20
> append=3D"aic7xxx=3Dverbose:0x9939,tag_info:{,{32,32,32,32,32,32,32,32},{=
,,,,32,32,32,32,32,32},{0,0}},panic_on_abort"
>=20
> Now, if insmod wants to put those into individual strings then I have to =
turn
> around and cat them all back together and re-insert the commas in order to
> make my parser work. In general, the format my parser uses allows a pers=
on to
> do set a lot of variables with a minumum of effort. Far less effort than=
the
> typical insmod way of doing things which would translate the above line t=
o:
>=20
> insmod aic7xxx aic7xxx_verbose=3D0x9939 aic7xxx_panic_on_abort=3D1
> aic7xxx_tag_info=3D255,255,255,255,255,255,255,255,255,255,255,255,255,25=
5,255,255,32,32,32,32,32,32,32,32,255,255,255,255,255,255,255,255,255,255,2=
55,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,32,3=
2,32,32,32,32,255,255,255,255,255,255,0,0
OK, the insmod parser should respect quotes and braces {}.
What about adding this functionality to=20
(a) the kernel
(b) insmod
and get rid of a lot of parsing stuff in the drivers?
I think Keith Owens (modutils maintainer) will agree with that; I don't know
about Linus.
Regards,
--=20
Kurt Garloff <garloff@suse.de> Wuppertal, FRG
PGP2 key: See mail header, key servers Linux kernel development
SuSE GmbH, N=FCrnberg, FRG SCSI drivers: tmscsim(DC390), DC395
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