From: Tejun Heo <tj@kernel.org>
To: Alexander Gordeev <agordeev@redhat.com>
Cc: linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org
Subject: Re: [PATCH RESEND v3 5/6] AHCI: Optimize single IRQ interrupt processing
Date: Mon, 6 Oct 2014 08:58:17 -0400 [thread overview]
Message-ID: <20141006125817.GA18303@htj.dyndns.org> (raw)
In-Reply-To: <20141006072710.GH8971@agordeev.usersys.redhat.com>
Hello, Alexander.
On Mon, Oct 06, 2014 at 08:27:11AM +0100, Alexander Gordeev wrote:
> > Why are we bouncing the context twice?
>
> I *did* consider moving the threaded handler code to the softirq part.
> I just wanted to get updates in stages: to address hardware interrupts
> latency first and possibly threaded hander next. Getting done these two
> together would be too big change for me ;)
I don't think we'd be able to move libata handling to block softirq
and probably end up just doing it from the irq context. Anyways, as
long as you're gonna keep working on it, I have no objection to the
proposed changes. Do you have a refreshed version or is the current
version good for inclusion?
Thanks.
--
tejun
next prev parent reply other threads:[~2014-10-06 12:58 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-21 13:19 [PATCH RESEND v3 0/6] AHCI: Optimize interrupt processing Alexander Gordeev
2014-09-21 13:19 ` [PATCH RESEND v3 1/6] AHCI: Cleanup checking of multiple MSIs/SLM modes Alexander Gordeev
2014-09-23 20:18 ` Tejun Heo
2014-09-21 13:19 ` [PATCH RESEND v3 2/6] AHCI: Move host activation code into ahci_host_activate() Alexander Gordeev
2014-09-23 20:22 ` Tejun Heo
2014-09-23 20:55 ` Tejun Heo
2014-09-21 13:19 ` [PATCH RESEND v3 3/6] AHCI: Make few function names more descriptive Alexander Gordeev
2014-09-23 20:22 ` Tejun Heo
2014-09-21 13:19 ` [PATCH RESEND v3 4/6] AHCI: Get rid of redundant arg to ahci_handle_port_interrupt() Alexander Gordeev
2014-09-21 13:19 ` [PATCH RESEND v3 5/6] AHCI: Optimize single IRQ interrupt processing Alexander Gordeev
2014-09-23 20:57 ` Tejun Heo
2014-09-24 10:42 ` Alexander Gordeev
2014-09-24 13:04 ` Tejun Heo
2014-09-24 13:27 ` Chuck Ebbert
2014-09-24 13:36 ` Tejun Heo
2014-09-24 14:08 ` Alexander Gordeev
2014-09-24 14:39 ` Tejun Heo
2014-09-24 14:59 ` Alexander Gordeev
2014-09-25 3:27 ` Tejun Heo
2014-10-01 15:31 ` Alexander Gordeev
2014-10-01 15:39 ` Alexander Gordeev
2014-10-05 2:23 ` Tejun Heo
2014-10-05 16:16 ` Tejun Heo
2014-10-06 7:27 ` Alexander Gordeev
2014-10-06 12:58 ` Tejun Heo [this message]
2014-10-06 13:24 ` Alexander Gordeev
2014-10-06 14:54 ` Tejun Heo
2014-09-25 3:00 ` Elliott, Robert (Server Storage)
2014-09-21 13:19 ` [PATCH RESEND v3 6/6] AHCI: Do not read HOST_IRQ_STAT reg in multi-MSI mode Alexander Gordeev
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