On Wed, Nov 26, 2014 at 11:57 AM, Pranith Kumar bobby.pr...@gmail.com wrote:
set_mb() and smp_store_release() perform the same function. Also there are
only
a few users of set_mb(). We can convert these users to use smp_store_release()
and delete the set_mb() definition.
The following patch
() definition. Comments and suggestions welcome.
Thanks!
Pranith
Signed-off-by: Pranith Kumar
---
fs/select.c | 6 +++---
include/linux/sched.h | 14 +++---
kernel/futex.c| 4 ++--
kernel/sched/wait.c | 4 ++--
4 files changed, 14 insertions(+), 14 deletions(-)
diff --git
() definition. Comments and suggestions welcome.
Thanks!
Pranith
Signed-off-by: Pranith Kumar bobby.pr...@gmail.com
---
fs/select.c | 6 +++---
include/linux/sched.h | 14 +++---
kernel/futex.c| 4 ++--
kernel/sched/wait.c | 4 ++--
4 files changed, 14 insertions(+), 14
On Fri, Nov 21, 2014 at 9:58 AM, Kirill A. Shutemov
wrote:
> On Fri, Nov 21, 2014 at 09:30:36AM -0500, Pranith Kumar wrote:
>> On 11/21/2014 08:31 AM, Kirill A. Shutemov wrote:
>> > On Tue, Oct 28, 2014 at 03:09:56PM -0700, Paul E. McKenney wrote:
>> >> From: Pranith
On Fri, Nov 21, 2014 at 9:58 AM, Kirill A. Shutemov
kir...@shutemov.name wrote:
On Fri, Nov 21, 2014 at 09:30:36AM -0500, Pranith Kumar wrote:
On 11/21/2014 08:31 AM, Kirill A. Shutemov wrote:
On Tue, Oct 28, 2014 at 03:09:56PM -0700, Paul E. McKenney wrote:
From: Pranith Kumar bobby.pr
On Fri, Nov 21, 2014 at 7:05 PM, Eric Dumazet wrote:
>
> On Fri, 2014-11-21 at 16:57 -0500, Pranith Kumar wrote:
>
>> Hi Eric,
>>
>> Thanks for looking at this patch.
>>
>> I've been scratching my head since morning trying to find out what was
>> so o
On Fri, Nov 21, 2014 at 11:12 AM, Eric Dumazet wrote:
> On Fri, 2014-11-21 at 10:06 -0500, Pranith Kumar wrote:
>> Recently lockless_dereference() was added which can be used in place of
>> hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
>>
>
On 11/21/2014 11:33 AM, Kees Cook wrote:
> On Fri, Nov 21, 2014 at 7:06 AM, Pranith Kumar wrote:
>> Recently lockless_dereference() was added which can be used in place of
>> hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
>>
>> S
with. I will send in separate patches/questions regarding them.
Pranith Kumar (9):
doc: memory-barriers.txt: Document use of lockless_dereference()
drivers: dma: Replace smp_read_barrier_depends() with
lockless_dereference()
dcache: Replace smp_read_barrier_depends() with lockless_dereference
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar
---
kernel/events/core.c| 3 +--
kernel/events/uprobes.c | 8
2 files changed, 5 insertions(+), 6
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar
---
include/linux/percpu-refcount.h | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/include
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar
---
include/linux/hyperv.h | 9 -
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/include
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar
---
kernel/task_work.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/kernel/task_work.c b
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar
---
kernel/seccomp.c | 7 +++
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/kernel/seccomp.c b
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar
---
net/ipv4/netfilter/arp_tables.c | 3 +--
net/ipv4/netfilter/ip_tables.c | 3 +--
net/ipv6/netfilter
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar
---
fs/dcache.c | 7 ++-
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/fs/dcache.c b/fs/dcache.c
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar
---
drivers/dma/ioat/dma_v2.c | 3 +--
drivers/dma/ioat/dma_v3.c | 3 +--
2 files changed, 2 insertions(+), 4
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar
---
Documentation/memory-barriers.txt | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git
On 11/21/2014 08:31 AM, Kirill A. Shutemov wrote:
> On Tue, Oct 28, 2014 at 03:09:56PM -0700, Paul E. McKenney wrote:
>> From: Pranith Kumar
>>
>> Got Paul's email wrong the first time.
>>
>> The map field in 'struct mapped_device' is an rcu pointer. Use
>&g
On 11/21/2014 08:31 AM, Kirill A. Shutemov wrote:
On Tue, Oct 28, 2014 at 03:09:56PM -0700, Paul E. McKenney wrote:
From: Pranith Kumar bobby.pr...@gmail.com
Got Paul's email wrong the first time.
The map field in 'struct mapped_device' is an rcu pointer. Use
rcu_dereference()
while
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar bobby.pr...@gmail.com
---
Documentation/memory-barriers.txt | 4 ++--
1 file changed, 2 insertions(+), 2 deletions
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar bobby.pr...@gmail.com
---
drivers/dma/ioat/dma_v2.c | 3 +--
drivers/dma/ioat/dma_v3.c | 3 +--
2 files changed, 2
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar bobby.pr...@gmail.com
---
net/ipv4/netfilter/arp_tables.c | 3 +--
net/ipv4/netfilter/ip_tables.c | 3 +--
net/ipv6
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar bobby.pr...@gmail.com
---
fs/dcache.c | 7 ++-
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/fs
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar bobby.pr...@gmail.com
---
kernel/task_work.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar bobby.pr...@gmail.com
---
include/linux/hyperv.h | 9 -
1 file changed, 4 insertions(+), 5 deletions(-)
diff
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar bobby.pr...@gmail.com
---
kernel/seccomp.c | 7 +++
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar bobby.pr...@gmail.com
---
kernel/events/core.c| 3 +--
kernel/events/uprobes.c | 8
2 files changed, 5
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar bobby.pr...@gmail.com
---
include/linux/percpu-refcount.h | 4 +---
1 file changed, 1 insertion(+), 3 deletions
with. I will send in separate patches/questions regarding them.
Pranith Kumar (9):
doc: memory-barriers.txt: Document use of lockless_dereference()
drivers: dma: Replace smp_read_barrier_depends() with
lockless_dereference()
dcache: Replace smp_read_barrier_depends() with lockless_dereference
On 11/21/2014 11:33 AM, Kees Cook wrote:
On Fri, Nov 21, 2014 at 7:06 AM, Pranith Kumar bobby.pr...@gmail.com wrote:
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith
On Fri, Nov 21, 2014 at 11:12 AM, Eric Dumazet eric.duma...@gmail.com wrote:
On Fri, 2014-11-21 at 10:06 -0500, Pranith Kumar wrote:
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off
On Fri, Nov 21, 2014 at 7:05 PM, Eric Dumazet eric.duma...@gmail.com wrote:
On Fri, 2014-11-21 at 16:57 -0500, Pranith Kumar wrote:
Hi Eric,
Thanks for looking at this patch.
I've been scratching my head since morning trying to find out what was
so obviously wrong with this patch. Alas, I
On 11/18/2014 12:16 PM, Paul E. McKenney wrote:
> On Thu, Nov 13, 2014 at 02:24:14PM -0500, Pranith Kumar wrote:
>> Recently lockless_dereference() was added which can be used in place of
>> hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
>>
>
On 11/18/2014 12:16 PM, Paul E. McKenney wrote:
On Thu, Nov 13, 2014 at 02:24:14PM -0500, Pranith Kumar wrote:
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar
Using smp_mb() here so that the bit clear is not reordered is an overkill.
It is more appropriate to use smp_mb__after_atomic() which ensures that the
bit clear is not reordered.
Signed-off-by: Pranith Kumar
---
drivers/cpuidle/cpuidle-powernv.c | 3 ++-
1 file changed, 2 insertions(+), 1
Using smp_mb() here so that the bit clear is not reordered is an overkill.
It is more appropriate to use smp_mb__after_atomic() which ensures that the
bit clear is not reordered.
Signed-off-by: Pranith Kumar bobby.pr...@gmail.com
---
drivers/cpuidle/cpuidle-powernv.c | 3 ++-
1 file changed, 2
On 11/14/2014 11:39 AM, Alex Elder wrote:
> On 11/13/2014 11:24 PM, Steven Rostedt wrote:
>> On Thu, 13 Nov 2014 23:57:22 -0500
>> Steven Rostedt wrote:
>>
>>> That assignment is what it is initialized to at boot up. I can't see
>>> any optimization that would cause gcc to modify that.
On Fri, Nov 14, 2014 at 8:14 AM, Tejun Heo wrote:
>
> How should this be routed? There's a pending change on the same
> region of code and if this patch is routed outside percpu tree it'd
> cause a conflict and I can't route this as lockless_dereference()
> isn't in the mainline yet. Maybe
On Fri, Nov 14, 2014 at 8:14 AM, Tejun Heo t...@kernel.org wrote:
How should this be routed? There's a pending change on the same
region of code and if this patch is routed outside percpu tree it'd
cause a conflict and I can't route this as lockless_dereference()
isn't in the mainline yet.
On 11/14/2014 11:39 AM, Alex Elder wrote:
On 11/13/2014 11:24 PM, Steven Rostedt wrote:
On Thu, 13 Nov 2014 23:57:22 -0500
Steven Rostedt rost...@goodmis.org wrote:
That assignment is what it is initialized to at boot up. I can't see
any optimization that would cause gcc to modify that.
On Thu, Nov 13, 2014 at 10:47 PM, Steven Rostedt wrote:
> On Thu, 13 Nov 2014 22:21:21 -0500
> Pranith Kumar wrote:
>
>> Remove volatile type qualifier and use ACCESS_ONCE() in its place for each
>> access. Using volatile is not recommended as documented in
>> Docume
volatile accesses entirely here, but for now make
a safer change of using ACCESS_ONCE().
Signed-off-by: Pranith Kumar
---
kernel/printk/printk.c | 8
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index e748971..4790191 100644
On 11/13/2014 03:47 PM, David Howells wrote:
> Pranith Kumar wrote:
>
>> Recently lockless_dereference() was added which can be used in place of
>> hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
>
> Actually, the use of smp_read_ba
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar
---
drivers/crypto/caam/jr.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/crypto/caam/jr.c b
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar
---
fs/overlayfs/super.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/fs/overlayfs/super.c
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar
---
Documentation/memory-barriers.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar
---
drivers/dma/ioat/dma_v2.c | 3 +--
drivers/dma/ioat/dma_v3.c | 3 +--
2 files changed, 2 insertions(+), 4
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar
---
include/linux/rcupdate.h | 10 +-
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/include
with
smp_read_barrier_depends().
Signed-off-by: Pranith Kumar
---
include/linux/assoc_array_priv.h | 11 +++
lib/assoc_array.c| 7 ---
security/keys/keyring.c | 6 --
3 files changed, 7 insertions(+), 17 deletions(-)
diff --git a/include/linux
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar
---
kernel/task_work.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/kernel/task_work.c b
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar
---
include/linux/hyperv.h | 9 -
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/include
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar
---
include/linux/percpu-refcount.h | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/include
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar
---
kernel/seccomp.c | 7 +++
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/kernel/seccomp.c b
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar
---
mm/ksm.c | 7 +++
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/mm/ksm.c b/mm/ksm.c
index
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar
---
kernel/events/core.c| 3 +--
kernel/events/uprobes.c | 8
2 files changed, 5 insertions(+), 6
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar
---
net/ipv4/netfilter/arp_tables.c | 3 +--
net/ipv4/netfilter/ip_tables.c | 3 +--
net/ipv6/netfilter
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar
---
net/rxrpc/ar-ack.c | 22 +-
1 file changed, 9 insertions(+), 13 deletions(-)
diff --git
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar
---
fs/dcache.c | 7 ++-
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/fs/dcache.c b/fs/dcache.c
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar
---
mm/slab.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/mm/slab.h b/mm/slab.h
index
with. I will send in separate patches/questions regarding them.
Pranith Kumar (16):
crypto: caam - Remove unnecessary smp_read_barrier_depends()
doc: memory-barriers.txt: Document use of lockless_dereference()
drivers: dma: Replace smp_read_barrier_depends() with
lockless_dereference
with. I will send in separate patches/questions regarding them.
Pranith Kumar (16):
crypto: caam - Remove unnecessary smp_read_barrier_depends()
doc: memory-barriers.txt: Document use of lockless_dereference()
drivers: dma: Replace smp_read_barrier_depends() with
lockless_dereference
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar bobby.pr...@gmail.com
---
mm/slab.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/mm
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar bobby.pr...@gmail.com
---
fs/dcache.c | 7 ++-
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/fs
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar bobby.pr...@gmail.com
---
net/rxrpc/ar-ack.c | 22 +-
1 file changed, 9 insertions(+), 13
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar bobby.pr...@gmail.com
---
net/ipv4/netfilter/arp_tables.c | 3 +--
net/ipv4/netfilter/ip_tables.c | 3 +--
net/ipv6
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar bobby.pr...@gmail.com
---
kernel/events/core.c| 3 +--
kernel/events/uprobes.c | 8
2 files changed, 5
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar bobby.pr...@gmail.com
---
kernel/seccomp.c | 7 +++
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar bobby.pr...@gmail.com
---
mm/ksm.c | 7 +++
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/mm
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar bobby.pr...@gmail.com
---
include/linux/percpu-refcount.h | 4 +---
1 file changed, 1 insertion(+), 3 deletions
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar bobby.pr...@gmail.com
---
include/linux/hyperv.h | 9 -
1 file changed, 4 insertions(+), 5 deletions(-)
diff
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar bobby.pr...@gmail.com
---
kernel/task_work.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git
with
smp_read_barrier_depends().
Signed-off-by: Pranith Kumar bobby.pr...@gmail.com
---
include/linux/assoc_array_priv.h | 11 +++
lib/assoc_array.c| 7 ---
security/keys/keyring.c | 6 --
3 files changed, 7 insertions(+), 17 deletions(-)
diff --git a/include
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar bobby.pr...@gmail.com
---
include/linux/rcupdate.h | 10 +-
1 file changed, 5 insertions(+), 5 deletions
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar bobby.pr...@gmail.com
---
drivers/dma/ioat/dma_v2.c | 3 +--
drivers/dma/ioat/dma_v3.c | 3 +--
2 files changed, 2
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar bobby.pr...@gmail.com
---
Documentation/memory-barriers.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar bobby.pr...@gmail.com
---
fs/overlayfs/super.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Signed-off-by: Pranith Kumar bobby.pr...@gmail.com
---
drivers/crypto/caam/jr.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers
On 11/13/2014 03:47 PM, David Howells wrote:
Pranith Kumar bobby.pr...@gmail.com wrote:
Recently lockless_dereference() was added which can be used in place of
hard-coding smp_read_barrier_depends(). The following PATCH makes the change.
Actually, the use of smp_read_barrier_depends
volatile accesses entirely here, but for now make
a safer change of using ACCESS_ONCE().
Signed-off-by: Pranith Kumar bobby.pr...@gmail.com
---
kernel/printk/printk.c | 8
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index
On Thu, Nov 13, 2014 at 10:47 PM, Steven Rostedt rost...@goodmis.org wrote:
On Thu, 13 Nov 2014 22:21:21 -0500
Pranith Kumar bobby.pr...@gmail.com wrote:
Remove volatile type qualifier and use ACCESS_ONCE() in its place for each
access. Using volatile is not recommended as documented
-tests for RCU, courtesy
> of Pranith Kumar.
>
> 3. Enable early-boot callback-posting self-tests in rcutorture,
> courtesy of Pranith Kumar.
>
> 4. Remove old-version rcutorture configuration files, courtesy
> of Pranith Kumar.
>
> 5. Remove the
eference instructions. Later Alpha CPUs are OK.
> (The official Alpha maintainers have thus far been silent
> on this patch.)
>
> 2. Document the new RCU self-test boot parameters, courtesy of
> Pranith Kumar.
>
> 3. Records that short-circu
off-by: Paul E. McKenney
This patch seems to be missing in the cover letter.
Reviewed-by: Pranith Kumar
> ---
> kernel/cpu.c | 19 +--
> 1 file changed, 13 insertions(+), 6 deletions(-)
>
> diff --git a/kernel/cpu.c b/kernel/cpu.c
> index 90a3d017b90c..5d220234b3ca 10064
>
> 3-9.Remove "cpu" arguments from a number of RCU functions that are
> only ever invoked on that CPU, and use appropriate "this_"-style
> accesssors for the per-CPU variables.
>
Reviewd
of RCU functions that are
only ever invoked on that CPU, and use appropriate this_-style
accesssors for the per-CPU variables.
Reviewd-by: Pranith Kumar bobby.pr...@gmail.com
Thanx, Paul
. McKenney paul...@linux.vnet.ibm.com
This patch seems to be missing in the cover letter.
Reviewed-by: Pranith Kumar bobby.pr...@gmail.com
---
kernel/cpu.c | 19 +--
1 file changed, 13 insertions(+), 6 deletions(-)
diff --git a/kernel/cpu.c b/kernel/cpu.c
index 90a3d017b90c
instructions. Later Alpha CPUs are OK.
(The official Alpha maintainers have thus far been silent
on this patch.)
2. Document the new RCU self-test boot parameters, courtesy of
Pranith Kumar.
3. Records that short-circuit boolean evaluation does
, courtesy
of Pranith Kumar.
3. Enable early-boot callback-posting self-tests in rcutorture,
courtesy of Pranith Kumar.
4. Remove old-version rcutorture configuration files, courtesy
of Pranith Kumar.
5. Remove the --kversion parameter to kvm.sh, courtesy
sly buggy" freeing of sighand by
> __cleanup_sighand() without an RCU grace period really isn't
> buggy, courtesy of Oleg Nesterov.
Reviewed-by: Pranith Kumar
>
> Thanx, Paul
>
> --
of sighand by
__cleanup_sighand() without an RCU grace period really isn't
buggy, courtesy of Oleg Nesterov.
Reviewed-by: Pranith Kumar bobby.pr...@gmail.com
Thanx, Paul
On Tue, Oct 21, 2014 at 11:48 AM, H. Peter Anvin wrote:
> On 10/21/2014 03:14 AM, Peter Zijlstra wrote:
>> On Mon, Oct 20, 2014 at 04:22:27PM -0400, Pranith Kumar wrote:
>>>> Generating a volatile pointer is really not necessary here. This is the
>>>> only
>&
On Tue, Oct 21, 2014 at 11:48 AM, H. Peter Anvin h...@zytor.com wrote:
On 10/21/2014 03:14 AM, Peter Zijlstra wrote:
On Mon, Oct 20, 2014 at 04:22:27PM -0400, Pranith Kumar wrote:
Generating a volatile pointer is really not necessary here. This is the
only
location where a volatile pointer
ping.
On Wed, Oct 1, 2014 at 1:57 PM, Pranith Kumar wrote:
> Generating a volatile pointer is really not necessary here. This is the only
> location where a volatile pointer is being generated for use in asm.
>
> This commit removes the unnecessary volatile pointer being created.
&g
ping.
On Wed, Oct 1, 2014 at 1:57 PM, Pranith Kumar bobby.pr...@gmail.com wrote:
Generating a volatile pointer is really not necessary here. This is the only
location where a volatile pointer is being generated for use in asm.
This commit removes the unnecessary volatile pointer being created
On Mon, Oct 13, 2014 at 4:01 PM, Kamal Mostafa wrote:
> On Mon, 2014-10-13 at 12:29 -0400, Pranith Kumar wrote:
>> Backport 2aa792e and parts of 48a7639 to 3.13 which is Ubuntu LTS kernel.
>>
>> This commit reduces the number of rcu kthread wakeups. Tested for over a
>
On Mon, Oct 13, 2014 at 4:01 PM, Kamal Mostafa ka...@canonical.com wrote:
On Mon, 2014-10-13 at 12:29 -0400, Pranith Kumar wrote:
Backport 2aa792e and parts of 48a7639 to 3.13 which is Ubuntu LTS kernel.
This commit reduces the number of rcu kthread wakeups. Tested for over a
week on
my
This patch wires up the new syscall sys_bpf() on powerpc.
Signed-off-by: Pranith Kumar
---
arch/powerpc/include/asm/systbl.h | 1 +
arch/powerpc/include/asm/unistd.h | 2 +-
arch/powerpc/include/uapi/asm/unistd.h | 1 +
3 files changed, 3 insertions(+), 1 deletion(-)
diff --git
`fm10k_ptp_unregister':
(.text+0x12e7dc): undefined reference to `ptp_clock_unregister'
Makefile:930: recipe for target 'vmlinux' failed
Signed-off-by: Pranith Kumar
---
drivers/net/ethernet/intel/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/ethernet/intel/Kconfig
b/drivers/net
`fm10k_ptp_unregister':
(.text+0x12e7dc): undefined reference to `ptp_clock_unregister'
Makefile:930: recipe for target 'vmlinux' failed
Signed-off-by: Pranith Kumar
---
drivers/net/ethernet/intel/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/intel/Kconfig
b
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