From: me@felipebalbi.com (Felipe Balbi)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 5/5] OMAP: mailbox: add notification support for multiple readers
Date: Sat, 20 Nov 2010 13:31:09 +0200 [thread overview]
Message-ID: <1290252669.15533.28.camel@eowin> (raw)
In-Reply-To: <AANLkTi=OH1y=Q39yqd5m+PXEvM1pX6p_SmH_HFYDHHsK@mail.gmail.com>
Hi Hari,
On Fri, 2010-11-19 at 22:01 -0600, Kanigeri, Hari wrote:
> Of course :), profiling was done before releasing this code and no
> difference observed with or without blocking notifier. All the OMAP4
would you share some numbers ?
> use cases are exercising this code. Just curious , are you doubting
> the blocking notifier mechanism ?
a little bit. Yeah. It added about 600ms of time spent on musb's probe
when we were using blocking notifier for charger detection. When we
moved to atomic notifier, that was solved. Anyway, you can never be sure
when that will be scheduled and if cpu is really busy, it might pose a
great deal.
--
balbi
next prev parent reply other threads:[~2010-11-20 11:31 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-18 19:15 [PATCH v3 0/5] OMAP: mailbox: enhancements and fixes Hari Kanigeri
2010-11-18 19:15 ` [PATCH v3 1/5] OMAP: mailbox: change full flag per mailbox queue instead of global Hari Kanigeri
2010-11-18 23:22 ` Cousson, Benoit
2010-11-18 19:15 ` [PATCH v3 2/5] OMAP: mailbox: fix rx interrupt disable in omap4 Hari Kanigeri
2010-11-18 23:28 ` Cousson, Benoit
2010-11-19 0:07 ` Kanigeri, Hari
2010-11-19 8:32 ` Felipe Balbi
2010-11-19 14:22 ` Kanigeri, Hari
2010-11-19 14:50 ` Cousson, Benoit
2010-11-22 10:08 ` Felipe Balbi
2010-11-22 11:46 ` Kanigeri, Hari
2010-11-22 11:51 ` Felipe Balbi
2010-11-22 11:58 ` Kanigeri, Hari
2010-11-22 14:57 ` Cousson, Benoit
2010-11-22 14:55 ` Cousson, Benoit
2010-11-23 8:10 ` Felipe Balbi
2010-11-19 8:32 ` Felipe Balbi
2010-11-18 19:15 ` [PATCH v3 3/5] OMAP: mailbox: fix checkpatch warnings Hari Kanigeri
2010-11-19 8:33 ` Felipe Balbi
2010-11-19 11:52 ` Kanigeri, Hari
2010-11-18 19:15 ` [PATCH v3 4/5] OMAP: mailbox: send message in process context Hari Kanigeri
2010-11-19 8:34 ` Felipe Balbi
2010-11-18 19:15 ` [PATCH v3 5/5] OMAP: mailbox: add notification support for multiple readers Hari Kanigeri
2010-11-19 8:50 ` Felipe Balbi
2010-11-19 11:50 ` Kanigeri, Hari
2010-11-19 12:09 ` Felipe Balbi
2010-11-19 12:29 ` Kanigeri, Hari
2010-11-19 12:53 ` Felipe Balbi
2010-11-19 13:57 ` Kanigeri, Hari
2010-11-19 14:25 ` Felipe Balbi
2010-11-19 14:44 ` Kanigeri, Hari
2010-11-19 23:07 ` Felipe Balbi
2010-11-20 4:01 ` Kanigeri, Hari
2010-11-20 11:31 ` Felipe Balbi [this message]
2010-11-20 13:26 ` Kanigeri, Hari
-- strict thread matches above, loose matches on Subject: below --
2010-11-21 20:03 Jacek Burghardt
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