linux-kernel - Re: [PATCH] scsi: make scsi_devinfo infrastructure optional

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Message-ID: <AANLkTimE1H=hos+YMW3Ge9vkETC9f1k1Dt6AMi5iLHGW@mail.gmail.com>
Date:	Thu, 10 Feb 2011 10:18:47 +0100
From:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To:	James Bottomley <James.Bottomley@...e.de>
Cc:	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] scsi: make scsi_devinfo infrastructure optional

On Wed, Feb 9, 2011 at 7:00 PM, James Bottomley <James.Bottomley@...e.de> wrote:
> On Wed, 2011-02-09 at 15:15 +0100, Bartlomiej Zolnierkiewicz wrote:
>> Add SCSI_QUIRKS config option (default y and dependent on EMBEDDED
>> config option) to allow disabling of scsi_devinfo infrastructure.
>>
>> The output code size savings are ~14k for CONFIG_SCSI_QUIRKS=n
>> (as measured on x86-32):
>
> I don't understand the point of this patch ... without the quirks SCSI
> will do the wrong thing on a whole bunch of stuff.  The savings look to
> be tiny ... since the SCSI module is habitually a lot larger than your
> figures suggest.

The patch was originally done for embedded ATA-only setups.

Thanks,
Bartlomiej
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