From: Jeff Garzik <jeff@garzik.org>
To: Yinghai Lu <yinghai@kernel.org>
Cc: Peer Chen <pchen@nvidia.com>, Kuan Luo <kluo@nvidia.com>,
Christoph Hellwig <hch@infradead.org>,
linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org,
Ingo Molnar <mingo@elte.hu>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] sata_nv: sgpio for nvidia mcp55 -v3
Date: Mon, 13 Apr 2009 04:18:39 -0400 [thread overview]
Message-ID: <49E2F55F.5060108@garzik.org> (raw)
In-Reply-To: <4977DAAF.5060006@kernel.org>
Yinghai Lu wrote:
> Impact: new features
>
> based on patch on
> http://marc.info/?l=linux-ide&m=116289338705418&w=2
>
> 1. update the patch for 2.6.19 to latest upstream ( 2.6.28?)
> 2. fix shared sgpio to support several mcp55 + io55, so every mcp55 have
> seperate spinlock
> 3. use scratch_source as numbering of sgpio instead of address of struct,
> so could go through kexec/kdump
>
> v2: revert NV_ON and NV_OFF, so turn on Activity LED all the time when disk is idle.
> v3: use one timer per sgpio instead of per nv_host, so for mcp55+io55 system will use 2 timers
> instead of 6 timers.
>
> Signed-off-by: Yinghai Lu <yinghai@kernel.org>
>
> ---
> drivers/ata/sata_nv.c | 562 ++++++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 562 insertions(+)
Is this really over 500 LOC, just to blink some lights from the data
xfer hot path? :)
Jeff
next prev parent reply other threads:[~2009-04-13 8:18 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <15F501D1A78BD343BE8F4D8DB854566B059FE0B3@hkemmail01.nvidia.com>
2006-10-31 8:43 ` [PATCH] SCSI: Add the SGPIO support for sata_nv.c Peer Chen
2006-10-31 10:40 ` Christoph Hellwig
2006-10-31 12:37 ` Prakash Punnoor
2006-11-07 9:55 ` Peer Chen
2007-11-07 4:09 ` Yinghai Lu
2009-01-18 9:20 ` Yinghai Lu
2009-01-18 9:22 ` [PATCH] sata_nv: sgpio for nvidia mcp55 Yinghai Lu
2009-01-21 2:07 ` [PATCH] sata_nv: sgpio for nvidia mcp55 -v2 Yinghai Lu
2009-01-21 14:30 ` Yan Seiner
2009-01-21 18:48 ` Yinghai Lu
2009-01-22 4:46 ` Yan Seiner
2009-01-22 5:07 ` Yinghai Lu
2009-01-22 16:22 ` Yan Seiner
2009-01-22 17:26 ` Yinghai Lu
2009-01-23 1:44 ` Yan Seiner
2009-01-23 1:58 ` Yinghai Lu
2009-01-23 3:18 ` Yan Seiner
2009-01-23 7:30 ` Yinghai Lu
2009-01-22 2:32 ` [PATCH] sata_nv: sgpio for nvidia mcp55 -v3 Yinghai Lu
2009-01-27 4:57 ` Andrew Morton
2009-04-13 8:18 ` Jeff Garzik [this message]
2009-04-13 15:50 ` Yinghai Lu
2009-01-18 13:49 ` [PATCH] SCSI: Add the SGPIO support for sata_nv.c Yan Seiner
2009-01-20 7:36 ` Peer Chen
2006-11-01 1:39 ` Jeff Garzik
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