From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: David Miller <davem@davemloft.net>
Cc: jeff@garzik.org, bzolnier@gmail.com, linux-ide@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 00/68] ide2libata
Date: Mon, 1 Feb 2010 11:48:24 +0000 [thread overview]
Message-ID: <20100201114824.29682015@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <20100201.031725.144446744.davem@davemloft.net>
On Mon, 01 Feb 2010 03:17:25 -0800 (PST)
David Miller <davem@davemloft.net> wrote:
> From: Alan Cox <alan@lxorguk.ukuu.org.uk>
> Date: Mon, 1 Feb 2010 11:07:23 +0000
>
> > I'm amazed that you'd suggest trashing the current ATA stack to make the
> > maintenance of the old ones easier - which aren't supposed to be in flux
> > in the first place.
>
> I'm not, I'm saying leave the ATA stack as it is, but make the IDE
> legacy layer such that PATA drivers can compile into it.
I don't see the use of that either. The work has sone use in figuring out
what the technical differences are between the old and new, and to review
differences to see why the exist and if they matter.
The only way around that would actually be remotely useful for doing odd
debug checks would be the ability to run the old stack drivers under
libata. Even then it would probably be far simpler to move differences
over one by one and test them so as to understand what is actually going
on and fix a bug.
The old drivers contain a fair amount of crap, magic and gueswork so a
good deal of human analysis and testing is needed to move any change
around and prove it's real and valid not guesswork and fudging.
Alan
next prev parent reply other threads:[~2010-02-01 11:47 UTC|newest]
Thread overview: 86+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-29 16:03 [PATCH 00/68] ide2libata Bartlomiej Zolnierkiewicz
2010-01-29 16:03 ` [PATCH 01/68] piix: add new short cable IDs Bartlomiej Zolnierkiewicz
2010-01-29 16:03 ` [PATCH 02/68] libata: CodingStyle fixes for ATA timings code Bartlomiej Zolnierkiewicz
2010-01-29 16:03 ` [PATCH 03/68] libata: move ATA timings code to ata-timings.c Bartlomiej Zolnierkiewicz
2010-01-29 16:03 ` [PATCH 04/68] ata: make ATA timings code independent of libata Bartlomiej Zolnierkiewicz
2010-01-29 16:03 ` [PATCH 05/68] ata: enable XFER_PIO_SLOW mode in ata_timing table Bartlomiej Zolnierkiewicz
2010-01-29 16:03 ` [PATCH 06/68] ide: switch to generic ATA timings code Bartlomiej Zolnierkiewicz
2010-01-29 16:03 ` [PATCH 07/68] pata_pcmcia: move IDs table to pata_pcmcia.h Bartlomiej Zolnierkiewicz
2010-01-29 16:04 ` [PATCH 08/68] ide-cs: use pata_pcmcia.h Bartlomiej Zolnierkiewicz
2010-01-29 16:04 ` [PATCH 09/68] ata_piix: factor out short cable detection code to ich_short_ata40() Bartlomiej Zolnierkiewicz
2010-01-29 16:04 ` [PATCH 10/68] ata_piix: move short cable handling to ata_piix.h Bartlomiej Zolnierkiewicz
2010-01-29 16:04 ` [PATCH 11/68] piix: use ata_piix.h Bartlomiej Zolnierkiewicz
2010-01-29 16:04 ` [PATCH 12/68] pata_ali: move short cable handling to pata_ali.h Bartlomiej Zolnierkiewicz
2010-01-29 16:04 ` [PATCH 13/68] alim15x3: use pata_ali.h Bartlomiej Zolnierkiewicz
2010-01-29 16:04 ` [PATCH 14/68] pata_sis: move short cable handling to pata_sis.h Bartlomiej Zolnierkiewicz
2010-01-29 16:04 ` [PATCH 15/68] sis5513: use pata_sis.h Bartlomiej Zolnierkiewicz
2010-01-29 16:04 ` [PATCH 16/68] pata_via: move short cable handling to pata_via.h Bartlomiej Zolnierkiewicz
2010-01-29 16:04 ` [PATCH 17/68] via82cxxx: use pata_via.h Bartlomiej Zolnierkiewicz
2010-01-29 16:05 ` [PATCH 18/68] ide: split host->dev table Bartlomiej Zolnierkiewicz
2010-01-29 16:05 ` [PATCH 19/68] ide: add hwif->port_no field Bartlomiej Zolnierkiewicz
2010-01-29 16:05 ` [PATCH 20/68] ide: add hwif->udma_mask field Bartlomiej Zolnierkiewicz
2010-01-29 16:05 ` [PATCH 21/68] ide: add hwif->private_data field Bartlomiej Zolnierkiewicz
2010-01-29 16:05 ` [PATCH 22/68] ide: add drive->devno field Bartlomiej Zolnierkiewicz
2010-01-29 16:05 ` [PATCH 23/68] ide: add drive->class field Bartlomiej Zolnierkiewicz
2010-01-29 16:05 ` [PATCH 24/68] ide: change ->cable_detect method return type to 'int' Bartlomiej Zolnierkiewicz
2010-01-29 16:05 ` [PATCH 25/68] it8213: always program control bits Bartlomiej Zolnierkiewicz
2010-01-29 17:36 ` Sergei Shtylyov
2010-01-29 16:05 ` [PATCH 26/68] piix: " Bartlomiej Zolnierkiewicz
2010-01-29 16:06 ` [PATCH 27/68] slc90e66: " Bartlomiej Zolnierkiewicz
2010-01-29 16:06 ` [PATCH 28/68] add ide2libata header file Bartlomiej Zolnierkiewicz
2010-01-29 16:06 ` [PATCH 29/68] ata_piix: move code to be re-used by ide2libata to ata_piix.h Bartlomiej Zolnierkiewicz
2010-01-29 16:06 ` [PATCH 30/68] piix: convert to ide2libata Bartlomiej Zolnierkiewicz
2010-01-29 16:06 ` [PATCH 31/68] pata_ali: move code to be re-used by ide2libata to pata_ali.h Bartlomiej Zolnierkiewicz
2010-01-29 16:06 ` [PATCH 32/68] alim15x3: convert to ide2libata Bartlomiej Zolnierkiewicz
2010-01-29 16:06 ` [PATCH 33/68] pata_amd: move code to be re-used by ide2libata to pata_amd.h Bartlomiej Zolnierkiewicz
2010-01-29 16:06 ` [PATCH 34/68] amd74xx: convert to ide2libata Bartlomiej Zolnierkiewicz
2010-01-29 16:06 ` [PATCH 35/68] pata_artop: move code to be re-used by ide2libata to pata_artop.h Bartlomiej Zolnierkiewicz
2010-01-29 16:06 ` [PATCH 36/68] aec62xx: convert to ide2libata Bartlomiej Zolnierkiewicz
2010-01-29 16:07 ` [PATCH 37/68] pata_atiixp: move code to be re-used by ide2libata to pata_atiixp.h Bartlomiej Zolnierkiewicz
2010-01-29 16:07 ` [PATCH 38/68] atiixp: convert to ide2libata Bartlomiej Zolnierkiewicz
2010-01-29 16:07 ` [PATCH 39/68] pata_cmd64x: documentation fix Bartlomiej Zolnierkiewicz
2010-01-29 16:07 ` [PATCH 40/68] pata_cmd64x: move code to be re-used by ide2libata to pata_cmd64x.h Bartlomiej Zolnierkiewicz
2010-01-29 16:07 ` [PATCH 41/68] pata_cmd64x: convert to ide2libata Bartlomiej Zolnierkiewicz
2010-01-29 16:07 ` [PATCH 42/68] pata_cs5520: move code to be re-used by ide2libata to pata_cs5520.h Bartlomiej Zolnierkiewicz
2010-01-29 16:07 ` [PATCH 43/68] cs5520: convert to ide2libata Bartlomiej Zolnierkiewicz
2010-01-29 16:07 ` [PATCH 44/68] pata_cs5530: move code to be re-used by ide2libata to pata_cs5530.h Bartlomiej Zolnierkiewicz
2010-01-29 16:07 ` [PATCH 45/68] cs5530: convert to ide2libata Bartlomiej Zolnierkiewicz
2010-01-29 16:08 ` [PATCH 46/68] pata_cs5535: move code to be re-used by ide2libata to pata_cs5535.h Bartlomiej Zolnierkiewicz
2010-01-29 16:08 ` [PATCH 47/68] cs5535: convert to ide2libata Bartlomiej Zolnierkiewicz
2010-01-29 16:08 ` [PATCH 48/68] pata_cypress: move code to be re-used by ide2libata to pata_cypress.h Bartlomiej Zolnierkiewicz
2010-01-29 16:08 ` [PATCH 49/68] cy82c693: convert to ide2libata Bartlomiej Zolnierkiewicz
2010-01-29 16:08 ` [PATCH 50/68] pata_efar: move code to be re-used by ide2libata to pata_efar.h Bartlomiej Zolnierkiewicz
2010-01-29 16:08 ` [PATCH 51/68] slc90e66: convert to ide2libata Bartlomiej Zolnierkiewicz
2010-01-29 16:08 ` [PATCH 52/68] pata_it8213: move code to be re-used by ide2libata to pata_it8213.h Bartlomiej Zolnierkiewicz
2010-01-29 16:08 ` [PATCH 53/68] it8213: convert to ide2libata Bartlomiej Zolnierkiewicz
2010-01-29 16:08 ` [PATCH 54/68] pata_it821x: move code to be re-used by ide2libata to pata_it821x.h Bartlomiej Zolnierkiewicz
2010-01-29 16:09 ` [PATCH 55/68] it821x: convert to ide2libata Bartlomiej Zolnierkiewicz
2010-01-29 16:09 ` [PATCH 56/68] pata_pdc202xx_old: move code to be re-used by ide2libata to pata_pdc202xx_old.h Bartlomiej Zolnierkiewicz
2010-01-29 16:09 ` [PATCH 57/68] pdc202xx_old: convert to ide2libata Bartlomiej Zolnierkiewicz
2010-01-29 16:09 ` [PATCH 58/68] pata_sc1200: move code to be re-used by ide2libata to pata_sc1200.h Bartlomiej Zolnierkiewicz
2010-01-29 16:09 ` [PATCH 59/68] sc1200: convert to ide2libata Bartlomiej Zolnierkiewicz
2010-01-29 16:09 ` [PATCH 60/68] pata_serverworks: move cable handling to pata_serverworks.h Bartlomiej Zolnierkiewicz
2010-01-29 16:09 ` [PATCH 61/68] serverworks: convert to ide2libata Bartlomiej Zolnierkiewicz
2010-01-29 16:09 ` [PATCH 62/68] pata_sl82c105: move code to be re-used by ide2libata to pata_sl82c105.h Bartlomiej Zolnierkiewicz
2010-01-29 16:09 ` [PATCH 63/68] sl82c105: convert to ide2libata Bartlomiej Zolnierkiewicz
2010-01-29 16:10 ` [PATCH 64/68] pata_triflex: move code to be re-used by ide2libata to pata_triflex.h Bartlomiej Zolnierkiewicz
2010-01-29 16:10 ` [PATCH 65/68] triflex: convert to ide2libata Bartlomiej Zolnierkiewicz
2010-01-29 16:10 ` [PATCH 66/68] pata_via: factor out code for finding ISA bridge Bartlomiej Zolnierkiewicz
2010-01-29 16:10 ` [PATCH 67/68] pata_via: move code to be re-used by ide2libata to pata_via.h Bartlomiej Zolnierkiewicz
2010-01-29 16:10 ` [PATCH 68/68] via82cxxx: convert to ide2libata Bartlomiej Zolnierkiewicz
2010-01-29 21:40 ` [PATCH 00/68] ide2libata Jeff Garzik
2010-01-29 22:24 ` Bartlomiej Zolnierkiewicz
2010-01-29 23:25 ` Alan Cox
2010-01-30 15:24 ` Bartlomiej Zolnierkiewicz
2010-02-01 7:47 ` David Miller
2010-02-01 9:31 ` Bartlomiej Zolnierkiewicz
2010-02-01 11:07 ` Alan Cox
2010-02-01 11:17 ` David Miller
2010-02-01 11:48 ` Alan Cox [this message]
2010-02-01 12:48 ` David Miller
2010-02-01 12:58 ` Alan Cox
2010-02-01 13:14 ` David Miller
2010-02-02 23:10 ` Jeff Garzik
2010-02-02 23:19 ` David Miller
2010-02-02 23:27 ` Alan Cox
2010-02-02 23:29 ` David Miller
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