On 10/28/2015 09:33 AM, Ingo Molnar wrote:
* Tejun Heo wrote:
Subject: writeback: don't use list_entry_rcu() for pointer offsetting in
bdi_split_work_to_wbs()
bdi_split_work_to_wbs() uses list_for_each_entry_rcu_continue() to
walk @bdi->wb_list. To set up the initial iteration condition,
On 09/22/2015 10:50 PM, Paul E. McKenney wrote:
On Sun, Sep 13, 2015 at 09:10:24AM -0700, Paul E. McKenney wrote:
On Sun, Sep 13, 2015 at 12:06:33PM +0200, Patrick Marlier wrote:
[ . . . ]
Paul,
This sounds good to me. It should fix the performance issue (will
check with my benchmark
On 09/12/2015 01:05 AM, Paul E. McKenney wrote:
On Tue, May 19, 2015 at 03:07:25PM -0700, Paul E. McKenney wrote:
On Mon, May 18, 2015 at 09:43:21AM -0400, Steven Rostedt wrote:
On Mon, 18 May 2015 12:06:47 +1000
NeilBrown wrote:
struct mddev {
...
struct list_headd
On 05/18/2015 03:53 PM, Patrick Marlier wrote:
On Mon, May 18, 2015 at 4:06 AM, NeilBrown wrote:
On Sat, 16 May 2015 19:42:54 +0200 Patrick Marlier
wrote:
On 05/13/2015 04:58 AM, NeilBrown wrote:
On Tue, 12 May 2015 22:38:53 -0400 Steven Rostedt wrote:
On Tue, 12 May 2015 15:46:26 -0700
On Mon, May 18, 2015 at 4:06 AM, NeilBrown wrote:
> On Sat, 16 May 2015 19:42:54 +0200 Patrick Marlier
> wrote:
>> On 05/13/2015 04:58 AM, NeilBrown wrote:
>> > On Tue, 12 May 2015 22:38:53 -0400 Steven Rostedt
>> > wrote:
>> >> On Tue, 12 May 2
On 05/13/2015 04:58 AM, NeilBrown wrote:
On Tue, 12 May 2015 22:38:53 -0400 Steven Rostedt wrote:
On Tue, 12 May 2015 15:46:26 -0700
"Paul E. McKenney" wrote:
From: Patrick Marlier
Signed-off-by: Patrick Marlier
Signed-off-by: Paul E. McKenney
---
drivers/md/bitmap.c
:01:24PM +0100, Patrick Marlier wrote:
>> > On 03/25/2015 03:30 PM, Paul E. McKenney wrote:
>> > >On Tue, Mar 24, 2015 at 11:31:38AM +0100, Patrick Marlier wrote:
>> > >>Change to read effectively ptr with rcu_dereference_raw and not the
>> > >>_
On 03/25/2015 03:36 PM, Paul E. McKenney wrote:
On Tue, Mar 24, 2015 at 11:31:44AM +0100, Patrick Marlier wrote:
>Signed-off-by: Patrick Marlier
>---
> net/netfilter/core.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git a/net/netfilter/core.c b/ne
On 03/25/2015 03:30 PM, Paul E. McKenney wrote:
On Tue, Mar 24, 2015 at 11:31:38AM +0100, Patrick Marlier wrote:
Change to read effectively ptr with rcu_dereference_raw and not the
__ptr variable on the stack.
Signed-off-by: Patrick Marlier
Avoiding an extra load could be worthwhile in a
Signed-off-by: Patrick Marlier
---
drivers/md/bitmap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 3a57679..ed00e46 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -181,7 +181,7 @@ static struct md_rdev
Change to read effectively ptr with rcu_dereference_raw and not the
__ptr variable on the stack.
Signed-off-by: Patrick Marlier
---
include/linux/rculist.h | 5 +
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/include/linux/rculist.h b/include/linux/rculist.h
index a18b16f
Signed-off-by: Patrick Marlier
---
net/netfilter/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/netfilter/core.c b/net/netfilter/core.c
index fea9ef5..05bd311 100644
--- a/net/netfilter/core.c
+++ b/net/netfilter/core.c
@@ -174,7 +174,7 @@ int nf_hook_slow
y this can be
fixed differently.
Fixing this showed 2 problems in the usage of list_entry_rcu.
Since it touches other parts of kernel, I guess it requires ack from
other maintainers.
Thanks.
PS: I will Cc the others maintainers when somebody confirms the problem.
Signed-off-by: Patrick
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