Hi Peter,
On Sun, Jun 28, 2015 at 3:27 PM, Peter Hurley wrote:
> The label name changing is not really necessary and would reduce diff count.
I've removed the label changes in the next series. Thanks for the feedback.
> It would be nice to get the printk() out from the locks as well (in a
> fo
Hi Patrick,
On 06/27/2015 08:51 PM, Patrick Donnelly wrote:
> task_pgrp requires an rcu or tasklist lock to be obtained if the returned pid
> is to be dereferenced, which kill_pgrp does. Obtain an RCU lock for the
> duration of use.
>
> Signed-off-by: Patrick Donnelly
> ---
> drivers/tty/tty_io
On 06/28/2015 01:20 PM, Patrick Donnelly wrote:
> On Sun, Jun 28, 2015 at 11:23 AM, Peter Hurley
> wrote:
>> On 06/27/2015 08:51 PM, Patrick Donnelly wrote:
>>> task_pgrp requires an rcu or tasklist lock to be obtained if the returned
>>> pid
>>> is to be dereferenced, which kill_pgrp does. Obta
On Sun, Jun 28, 2015 at 11:23 AM, Peter Hurley wrote:
> On 06/27/2015 08:51 PM, Patrick Donnelly wrote:
>> task_pgrp requires an rcu or tasklist lock to be obtained if the returned pid
>> is to be dereferenced, which kill_pgrp does. Obtain an RCU lock for the
>> duration of use.
>
> kill_pgrp() ob
On 06/27/2015 08:51 PM, Patrick Donnelly wrote:
> task_pgrp requires an rcu or tasklist lock to be obtained if the returned pid
> is to be dereferenced, which kill_pgrp does. Obtain an RCU lock for the
> duration of use.
kill_pgrp() obtains tasklist_lock, so I don't see an unsafe deref.
> Signed-
task_pgrp requires an rcu or tasklist lock to be obtained if the returned pid
is to be dereferenced, which kill_pgrp does. Obtain an RCU lock for the
duration of use.
Signed-off-by: Patrick Donnelly
---
drivers/tty/tty_io.c | 24 +++-
1 file changed, 15 insertions(+), 9 delet
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