From: Tejun Heo <tj@kernel.org>
To: David Milburn <dmilburn@redhat.com>
Cc: linux-ide@vger.kernel.org
Subject: Re: [PATCH v2] libata: prevent HSM state change race between ISR and PIO
Date: Mon, 19 Jan 2015 14:57:26 -0500 [thread overview]
Message-ID: <20150119195726.GA4556@htj.dyndns.org> (raw)
In-Reply-To: <54BD5CEF.2050808@redhat.com>
On Mon, Jan 19, 2015 at 01:37:19PM -0600, David Milburn wrote:
> Wouldn't we still have to use host lock instead of port lock to sync
> with ISR?
They're the same lock for SFF controllers. If I'm not mistaken, ahci
is currently the only one which splits the host lock when MMSI is
enabled.
Thanks.
--
tejun
prev parent reply other threads:[~2015-01-19 20:03 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-19 19:03 [PATCH v2] libata: prevent HSM state change race between ISR and PIO David Milburn
2015-01-19 19:15 ` Tejun Heo
2015-01-19 19:37 ` David Milburn
2015-01-19 19:57 ` Tejun Heo [this message]
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