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From: Jeff Garzik <jgarzik@pobox.com>
To: Tejun Heo <htejun@gmail.com>
Cc: Carlos.Pardo@siliconimage.com, linux-ide@vger.kernel.org
Subject: Re: [PATCH libata-dev-2.6:sil24 02/07] sil24: move error handling out of hot interrupt path
Date: Thu, 11 Aug 2005 15:18:05 -0400	[thread overview]
Message-ID: <42FBA46D.7040504@pobox.com> (raw)
In-Reply-To: <20050730101344.F56FB4A0@htj.dyndns.org>

Tejun Heo wrote:
> 02_sil24_separate-out-error-path.patch
> 
> 	Move error handling from sil24_host_intr into separate
> 	function - sil24_error_intr.
> 
> 	Jeff, I don't think this patch actually improves readability
> 	and/or performance.  Is this what you wanted?

Yes.

It improves readability and maintainability by clearly separating the 
error and non-error paths.

It improves performance by removing an uncommon path -- error -- from 
the hot path (command completion).

	Jeff



  reply	other threads:[~2005-08-11 19:18 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-07-30 10:13 [PATCH libata-dev-2.6:sil24 00/07] sil24: misc fixes Tejun Heo
2005-07-30 10:13 ` [PATCH libata-dev-2.6:sil24 01/07] sil24: implement status register emulation Tejun Heo
2005-08-11 19:18   ` Jeff Garzik
2005-07-30 10:14 ` [PATCH libata-dev-2.6:sil24 02/07] sil24: move error handling out of hot interrupt path Tejun Heo
2005-08-11 19:18   ` Jeff Garzik [this message]
2005-07-30 10:14 ` [PATCH libata-dev-2.6:sil24 03/07] sil24: add testing for PCI fault Tejun Heo
2005-08-11 19:19   ` Jeff Garzik
2005-07-30 10:14 ` [PATCH libata-dev-2.6:sil24 04/07] sil24: remove irq disable code on spurious interrupt Tejun Heo
2005-08-11 19:19   ` Jeff Garzik
2005-07-30 10:14 ` [PATCH libata-dev-2.6:sil24 05/07] sil24: use longer delay function and less iteration in reset_controller Tejun Heo
2005-08-11 19:20   ` Jeff Garzik
2005-08-12  0:54     ` Tejun Heo
2005-07-30 10:14 ` [PATCH libata-dev-2.6:sil24 06/07] sil24: add IO flushing after masking irq during initialization Tejun Heo
2005-08-11 19:20   ` Jeff Garzik
2005-07-30 10:14 ` [PATCH libata-dev-2.6:sil24 07/07] sil24: add FIXME comment above ata_device_add Tejun Heo
2005-08-11 19:21   ` Jeff Garzik
2005-08-11 19:21 ` [PATCH libata-dev-2.6:sil24 00/07] sil24: misc fixes Jeff Garzik
2005-08-12  0:57   ` Tejun Heo

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