-Original Message-
From: driverdev-devel-boun...@linuxdriverproject.org [mailto:driverdev-
devel-boun...@linuxdriverproject.org] On Behalf Of Dexuan Cui
Sent: Friday, June 27, 2014 5:35 AM
To: gre...@linuxfoundation.org; linux-ker...@vger.kernel.org; driverdev-
Don't use likely/unlikely unless you have benchmark numbers to show that
it makes a speed up.
regards,
dan carpenter
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On Tue, Jul 08, 2014 at 10:17:48PM +, Dexuan Cui wrote:
-Original Message-
From: Dan Carpenter [mailto:dan.carpen...@oracle.com]
Sent: Tuesday, July 8, 2014 17:27 PM
To: Dexuan Cui
Cc: gre...@linuxfoundation.org; linux-ker...@vger.kernel.org; driverdev-
-Original Message-
From: Dan Carpenter [mailto:dan.carpen...@oracle.com]
Sent: Tuesday, July 8, 2014 17:27 PM
To: Dexuan Cui
Cc: gre...@linuxfoundation.org; linux-ker...@vger.kernel.org;
driverdev-
de...@linuxdriverproject.org; plagn...@jcrosoft.com;
Currently the VSC has no chance to notify the VSP of the dirty rectangle on VM
panic because the notification work is done in a workqueue, and in panic() the
kernel typically ends up in an infinite loop, and a typical kernel config has
CONFIG_PREEMPT_VOLUNTARY=y and CONFIG_PREEMPT is not set, so a
