From: David Miller <davem@davemloft.net>
To: ivecera@redhat.com
Cc: netdev@vger.kernel.org, sathyap@serverengines.com,
subbus@serverengines.com, sarveshwarb@serverengines.com,
ajitk@serverengines.com, bhutchings@solarflare.com
Subject: Re: [PATCH net-2.6] be2net: use mutex instead of spin lock for mbox_lock
Date: Thu, 16 Dec 2010 14:12:00 -0800 (PST) [thread overview]
Message-ID: <20101216.141200.242127421.davem@davemloft.net> (raw)
In-Reply-To: <1292341399-14353-1-git-send-email-ivecera@redhat.com>
From: Ivan Vecera <ivecera@redhat.com>
Date: Tue, 14 Dec 2010 16:43:19 +0100
> On Tue, 2010-12-14 at 14:21 +0000, Ben Hutchings wrote:
>> On Tue, 2010-12-14 at 14:46 +0100, Ivan Vecera wrote:
>> > Since the mbox polling uses the schedule_timeout, the mbox_lock should be
>> > a semaphore and not a spin lock.
>> > The commit f25b03a replaced udelay() with schedule_timeout() but didn't
>> > change the mbox_lock to a semaphore or a mutex.
>> [...]
>>
>> I see no reason for this to be a semaphore; use a mutex instead.
>>
>> Ben
> Ok, Ben... the new version
>
> Since the mbox polling uses the schedule_timeout, the mbox_lock should be
> a mutex and not a spin lock.
> The commit f25b03a replaced udelay() with schedule_timeout() but didn't
> change mbox_lock to semaphore or mutex.
>
> Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Applied, thanks.
prev parent reply other threads:[~2010-12-16 22:11 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-14 13:46 [PATCH net-2.6] be2net: use semaphore instead of spin lock for mbox_lock Ivan Vecera
2010-12-14 14:21 ` Ben Hutchings
2010-12-14 15:43 ` [PATCH net-2.6] be2net: use mutex " Ivan Vecera
2010-12-16 22:12 ` David Miller [this message]
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