> -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-kernel@vger.kernel.org;
> driverdev-
> > > de...@linuxdriverproject.org; plagn...@jcrosoft.com;
> > >
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-kernel@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-kernel@vger.kernel.org; driverdev-
> de...@linuxdriverproject.org; plagn...@jcrosoft.com;
> tomi.valkei...@ti.com;
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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> -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-kernel@vger.kernel.org; driverdev-
>
-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-kernel@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
--
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to majord...@vger.kernel.org
More majordomo info at
-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-kernel@vger.kernel.org; driverdev-
de...@linuxdriverproject.org; plagn...@jcrosoft.com;
tomi.valkei...@ti.com;
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-kernel@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-kernel@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
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
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