Fix leak of memory pointed to by t.sib_thr and t.sib_core in
svg_build_topology_map in the non-error path.
Signed-off-by: Li Bin
---
tools/perf/util/svghelper.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/tools/perf/util/svghelper.c b/tools/perf/util/svghelper.c
Signed-off-by: Li Bin <huawei.li...@huawei.com>
---
kernel/sched/topology.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c
index 64cc564..cf15c1c 100644
--- a/kernel/sched/topology.c
+++ b/kernel/sched/topology.c
@@ -
Signed-off-by: Li Bin
---
kernel/sched/topology.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c
index 64cc564..cf15c1c 100644
--- a/kernel/sched/topology.c
+++ b/kernel/sched/topology.c
@@ -1618,7 +1618,7 @@ static struct
The member auxv in prctl_mm_map structure which be shared with
userspace is pointer type, but the kernel supporting COMPAT didn't
handle it. This patch fix the compat handling for prctl syscall.
Signed-off-by: Li Bin <huawei.li...@huawei.com>
---
kernel/sys.
The member auxv in prctl_mm_map structure which be shared with
userspace is pointer type, but the kernel supporting COMPAT didn't
handle it. This patch fix the compat handling for prctl syscall.
Signed-off-by: Li Bin
---
kernel/sys.c | 42 ++
1 file
The member auxv in prctl_mm_map structure which be shared with
userspace is pointer type, but the kernel supporting COMPAT didn't
handle it. This patch fix the compat handling for prctl syscall.
Signed-off-by: Li Bin <huawei.li...@huawei.com>
---
kernel/sys.
The member auxv in prctl_mm_map structure which be shared with
userspace is pointer type, but the kernel supporting COMPAT didn't
handle it. This patch fix the compat handling for prctl syscall.
Signed-off-by: Li Bin
---
kernel/sys.c | 41 +
1 file
q0
So we can't rely on these checks of task_A to make sure the task_A is
still on the rq1, even though we hold the rq1->lock. This patch will
repick the first pushable task to be sure the task is still on the rq.
Signed-off-by: Zhou Chengming <zhouchengmi...@huawei.com>
Signed-o
se checks of task_A to make sure the task_A is
still on the rq1, even though we hold the rq1->lock. This patch will
repick the first pushable task to be sure the task is still on the rq.
Signed-off-by: Zhou Chengming
Signed-off-by: Li Bin
Acked-by: Peter Zijlstra (Intel)
Reviewed-by: Steven Ros
n the rq1, even though we hold the rq1->lock. This patch will
repick the first pushable task to be sure the task is still on the rq.
Signed-off-by: Li Bin <huawei.li...@huawei.com>
Acked-by: Peter Zijlstra (Intel) <pet...@infradead.org>
Reviewed-by: Steven Rostedt (VMware) <rost.
n the rq1, even though we hold the rq1->lock. This patch will
repick the first pushable task to be sure the task is still on the rq.
Signed-off-by: Li Bin
Acked-by: Peter Zijlstra (Intel)
Reviewed-by: Steven Rostedt (VMware)
---
kernel/sched/dea
Changes in v2:
* Only change the comment and coding style as suggested by Steve
Li Bin (1):
sched/deadline.c: pick and check task if double_lock_balance() unlock
the rq
Zhou Chengming (1):
sched/rt.c: pick and check task if double_lock_balance() unlock the
rq
kernel/sched
Changes in v2:
* Only change the comment and coding style as suggested by Steve
Li Bin (1):
sched/deadline.c: pick and check task if double_lock_balance() unlock
the rq
Zhou Chengming (1):
sched/rt.c: pick and check task if double_lock_balance() unlock the
rq
kernel/sched
n the rq1, even though we hold the rq1->lock. This patch will
repick the first pushable task to be sure the task is still on the rq.
Signed-off-by: Li Bin <huawei.li...@huawei.com>
---
kernel/sched/deadline.c | 48 +++-
1 file changed, 23
q0
So we can't rely on these checks of task_A to make sure the task_A is
still on the rq1, even though we hold the rq1->lock. This patch will
repick the first pushable task to be sure the task is still on the rq.
Signed-off-by: Zhou Chengming <zhouchengmi...@huawei.com>
Signed-o
n the rq1, even though we hold the rq1->lock. This patch will
repick the first pushable task to be sure the task is still on the rq.
Signed-off-by: Li Bin
---
kernel/sched/deadline.c | 48 +++-
1 file changed, 23 insertions(+), 25 deletions(-)
se checks of task_A to make sure the task_A is
still on the rq1, even though we hold the rq1->lock. This patch will
repick the first pushable task to be sure the task is still on the rq.
Signed-off-by: Zhou Chengming
Signed-off-by: Li Bin
---
kernel/sch
Li Bin (1):
sched/deadline.c: pick and check task if double_lock_balance() unlock
the rq
Zhou Chengming (1):
sched/rt.c: pick and check task if double_lock_balance() unlock the
rq
kernel/sched/deadline.c | 48 +++-
kernel/sched/rt.c
Li Bin (1):
sched/deadline.c: pick and check task if double_lock_balance() unlock
the rq
Zhou Chengming (1):
sched/rt.c: pick and check task if double_lock_balance() unlock the
rq
kernel/sched/deadline.c | 48 +++-
kernel/sched/rt.c
we shouldn't use the 'current' to check the
condition.
Reported-by: Xiaofei Tan <tanxiao...@huawei.com>
Signed-off-by: Li Bin <huawei.li...@huawei.com>
---
kernel/workqueue_internal.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/kernel/workqueue_internal.h b/ker
we shouldn't use the 'current' to check the
condition.
Reported-by: Xiaofei Tan
Signed-off-by: Li Bin
---
kernel/workqueue_internal.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/kernel/workqueue_internal.h b/kernel/workqueue_internal.h
index 8635417..29fa81f 100644
Hi, Jiangshan
on 2017/10/26 23:55, Lai Jiangshan wrote:
> On Tue, Oct 24, 2017 at 9:18 AM, Li Bin <huawei.li...@huawei.com> wrote:
>
> I remember that softirq can be invoked when irq_eixt(),
> and in this case the current->current_pwq is also NULL
> if __queue_work() i
Hi, Jiangshan
on 2017/10/26 23:55, Lai Jiangshan wrote:
> On Tue, Oct 24, 2017 at 9:18 AM, Li Bin wrote:
>
> I remember that softirq can be invoked when irq_eixt(),
> and in this case the current->current_pwq is also NULL
> if __queue_work() is called in the soft irq.
>
the 'current' to check the
condition.
Reported-by: Xiaofei Tan <tanxiao...@huawei.com>
Signed-off-by: Li Bin <huawei.li...@huawei.com>
---
kernel/workqueue_internal.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/kernel/workqueue_internal.h b/kernel/workqueue_
the 'current' to check the
condition.
Reported-by: Xiaofei Tan
Signed-off-by: Li Bin
---
kernel/workqueue_internal.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/kernel/workqueue_internal.h b/kernel/workqueue_internal.h
index 8635417..d81cb9b 100644
--- a/kernel/workqueue_inte
WQ_WORKER))
>> return kthread_data(current);
>> return NULL;
>> }
>
> Yeah, that makes sense to me. Can you please resend the patch with
> patch description and SOB?
Ok, I will resend the patch soon.
Thanks,
Li Bin
>
> Thanks.
>
WQ_WORKER))
>> return kthread_data(current);
>> return NULL;
>> }
>
> Yeah, that makes sense to me. Can you please resend the patch with
> patch description and SOB?
Ok, I will resend the patch soon.
Thanks,
Li Bin
>
> Thanks.
>
r *current_wq_worker(void)
{
- if (current->flags & PF_WQ_WORKER)
+ if (!in_irq() && (current->flags & PF_WQ_WORKER))
return kthread_data(current);
return NULL;
}
Thanks,
Li Bin
> Thanks.
>
r *current_wq_worker(void)
{
- if (current->flags & PF_WQ_WORKER)
+ if (!in_irq() && (current->flags & PF_WQ_WORKER))
return kthread_data(current);
return NULL;
}
Thanks,
Li Bin
> Thanks.
>
Commit-ID: b2f7605076d6cdd68162c42c34caadafbbe4c69f
Gitweb: http://git.kernel.org/tip/b2f7605076d6cdd68162c42c34caadafbbe4c69f
Author: Li Bin <huawei.li...@huawei.com>
AuthorDate: Mon, 5 Jun 2017 08:34:09 +0800
Committer: Arnaldo Carvalho de Melo <a...@redhat.com>
CommitDate:
Commit-ID: b2f7605076d6cdd68162c42c34caadafbbe4c69f
Gitweb: http://git.kernel.org/tip/b2f7605076d6cdd68162c42c34caadafbbe4c69f
Author: Li Bin
AuthorDate: Mon, 5 Jun 2017 08:34:09 +0800
Committer: Arnaldo Carvalho de Melo
CommitDate: Tue, 29 Aug 2017 11:41:27 -0300
perf symbols: Fix
Commit-ID: 2c29461e273abaf149cf8220c3403e9d67dd8b61
Gitweb: http://git.kernel.org/tip/2c29461e273abaf149cf8220c3403e9d67dd8b61
Author: Li Bin <huawei.li...@huawei.com>
AuthorDate: Tue, 29 Aug 2017 20:57:23 +0800
Committer: Arnaldo Carvalho de Melo <a...@redhat.com>
CommitD
Commit-ID: 2c29461e273abaf149cf8220c3403e9d67dd8b61
Gitweb: http://git.kernel.org/tip/2c29461e273abaf149cf8220c3403e9d67dd8b61
Author: Li Bin
AuthorDate: Tue, 29 Aug 2017 20:57:23 +0800
Committer: Arnaldo Carvalho de Melo
CommitDate: Tue, 29 Aug 2017 11:14:12 -0300
perf probe: Fix
e included.
Signed-off-by: Li Bin <huawei.li...@huawei.com>
---
tools/perf/util/probe-event.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index a2670e9..bf7c928 100644
--- a/tools/perf/util/probe-event.c
+++ b
e included.
Signed-off-by: Li Bin
---
tools/perf/util/probe-event.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index a2670e9..bf7c928 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
adrpx16, 1 <__FRAME_END__+0xf8a8>
594: f944c611ldr x17, [x16,#2440]
598: 91262210add x16, x16, #0x988
59c: d61f0220br x17
NOTES:
In addition to ARM and AARCH64, other architectures, such as
s390/alpha/mips/parisc/poperpc/sh/sparc/xte
6, 1 <__FRAME_END__+0xf8a8>
594: f944c611ldr x17, [x16,#2440]
598: 91262210add x16, x16, #0x988
59c: d61f0220br x17
NOTES:
In addition to ARM and AARCH64, other architectures, such as
s390/alpha/mips/parisc/poperpc/sh/sparc/xtensa also need to c
arch64 based on
aarch64 mfentry feature. When the community has a clear plan, we are happy
to make adaptation and contribute our related work to the community, including
the kpatch-build support :-)
[1] livepatch: add support on arm64
https://lkml.org/lkml/2015/5/28/54
[2] [AArch64] support -mfentry feature for arm64
https://gcc.gnu.org/ml/gcc-patches/2016-03/msg00756.html
[3] Kernel livepatching support in GCC
https://gcc.gnu.org/ml/gcc/2015-05/msg00267.html
[4] arm64: ftrace with regs for livepatch support
http://lists.infradead.org/pipermail/linux-arm-kernel/2016-January/401352.html
Thanks,
Li Bin
>
> Jessica
>
> .
>
arch64 based on
aarch64 mfentry feature. When the community has a clear plan, we are happy
to make adaptation and contribute our related work to the community, including
the kpatch-build support :-)
[1] livepatch: add support on arm64
https://lkml.org/lkml/2015/5/28/54
[2] [AArch64] support -mfentry feature for arm64
https://gcc.gnu.org/ml/gcc-patches/2016-03/msg00756.html
[3] Kernel livepatching support in GCC
https://gcc.gnu.org/ml/gcc/2015-05/msg00267.html
[4] arm64: ftrace with regs for livepatch support
http://lists.infradead.org/pipermail/linux-arm-kernel/2016-January/401352.html
Thanks,
Li Bin
>
> Jessica
>
> .
>
right shifted. So,
> + switch (offset) {
> + case0 ... 30:
> + val = regs->regs[offset];
> + break;
> + case offsetof(struct pt_regs, sp):
here should be shifted too, as
case offsetof(struct pt_regs, sp) >> 3:
> +
0 ... 30:
> + val = regs->regs[offset];
> + break;
> + case offsetof(struct pt_regs, sp):
here should be shifted too, as
case offsetof(struct pt_regs, sp) >> 3:
> + val = regs->sp;
> + break;
>
ruction_pointer_set(regs, (long)jp->entry);
preempt_disable();
+ pause_graph_tracing();
return 1;
}
@@ -757,6 +758,7 @@ int __kprobes longjmp_break_handler(struct kprobe *p,
struct pt_regs *regs)
show_regs(regs);
BUG();
(long)jp->entry);
preempt_disable();
+ pause_graph_tracing();
return 1;
}
@@ -757,6 +758,7 @@ int __kprobes longjmp_break_handler(struct kprobe *p,
struct pt_regs *regs)
show_regs(regs);
BUG();
}
+
Hi David,
on 2016/3/9 13:32, David Long wrote:
> +int __kprobes arch_prepare_kprobe(struct kprobe *p)
> +{
> + unsigned long probe_addr = (unsigned long)p->addr;
Here should verify the addr alignment:
if (probe_addr & 0x3)
return -EINVAL;
Hi David,
on 2016/3/9 13:32, David Long wrote:
> +int __kprobes arch_prepare_kprobe(struct kprobe *p)
> +{
> + unsigned long probe_addr = (unsigned long)p->addr;
Here should verify the addr alignment:
if (probe_addr & 0x3)
return -EINVAL;
, in exception
handler, because the break_handler has been set NULL, it will not
setup_singlestep, and will return to the original instrucion...
To fix this bug, __unregister_kprobe_top call the synchronize_sched()
before clearing the handler.
Signed-off-by: Li Bin <huawei.li...@huawei.
, in exception
handler, because the break_handler has been set NULL, it will not
setup_singlestep, and will return to the original instrucion...
To fix this bug, __unregister_kprobe_top call the synchronize_sched()
before clearing the handler.
Signed-off-by: Li Bin
---
kernel/kprobes.c |1
on 2016/4/8 13:14, Pratyush Anand wrote:
> Hi Li,
>
> On 07/04/2016:07:34:37 PM, Li Bin wrote:
>> Hi Pratyush,
>>
>> on 2016/4/4 13:17, Pratyush Anand wrote:
>>> Hi Li,
>>>
>>> On 31/03/2016:08:45:05 PM, Li Bin wrote:
>>>&g
on 2016/4/8 13:14, Pratyush Anand wrote:
> Hi Li,
>
> On 07/04/2016:07:34:37 PM, Li Bin wrote:
>> Hi Pratyush,
>>
>> on 2016/4/4 13:17, Pratyush Anand wrote:
>>> Hi Li,
>>>
>>> On 31/03/2016:08:45:05 PM, Li Bin wrote:
>>>&g
Hi Pratyush,
on 2016/4/4 13:17, Pratyush Anand wrote:
> Hi Li,
>
> On 31/03/2016:08:45:05 PM, Li Bin wrote:
>> Hi Pratyush,
>>
>> on 2016/3/21 18:24, Pratyush Anand wrote:
>>> On 21/03/2016:08:37:50 AM, He Kuang wrote:
>>>> On arm64, watchpoin
Hi Pratyush,
on 2016/4/4 13:17, Pratyush Anand wrote:
> Hi Li,
>
> On 31/03/2016:08:45:05 PM, Li Bin wrote:
>> Hi Pratyush,
>>
>> on 2016/3/21 18:24, Pratyush Anand wrote:
>>> On 21/03/2016:08:37:50 AM, He Kuang wrote:
>>>> On arm64, watchpoin
>
> ~Pratyush
>
> [1]
> https://github.com/pratyushanand/linux/commit/7623c8099ac22eaa00e7e0f52430f7a4bd154652
This patch did not consider that, when excetpion return, the singlestep flag
should be restored, otherwise the right singlestep will not triggered.
Right?
Thanks,
Li Bin
>
> ~Pratyush
>
> [1]
> https://github.com/pratyushanand/linux/commit/7623c8099ac22eaa00e7e0f52430f7a4bd154652
This patch did not consider that, when excetpion return, the singlestep flag
should be restored, otherwise the right singlestep will not triggered.
Right?
Thanks,
Li Bin
The file cgroup-debug.c had been removed from commit fe6934354f8e
(cgroups: move the cgroup debug subsys into cgroup.c to access internal state).
Remain the CFLAGS_REMOVE_cgroup-debug.o = $(CC_FLAGS_FTRACE)
useless in kernel/Makefile.
Signed-off-by: Li Bin
---
kernel/Makefile |3 +--
1
The file cgroup-debug.c had been removed from commit fe6934354f8e
(cgroups: move the cgroup debug subsys into cgroup.c to access internal state).
Remain the CFLAGS_REMOVE_cgroup-debug.o = $(CC_FLAGS_FTRACE)
useless in kernel/Makefile.
Signed-off-by: Li Bin <huawei.li...@huawei.com>
---
on 2015/12/6 6:52, Steven Rostedt wrote:
> On Sat, 5 Dec 2015 18:12:57 +0100 (CET)
> Thomas Gleixner wrote:
>
>> On Fri, 4 Dec 2015, Li Bin wrote:
>>> --- a/arch/x86/kernel/ftrace.c
>>> +++ b/arch/x86/kernel/ftrace.c
>>> @@ -106,13 +106,12 @@ ftrace_mod
: Thomas Gleixner
Cc: "H. Peter Anvin"
Cc: x...@kernel.org
Suggested-by: Steven Rostedt
Signed-off-by: Li Bin
---
arch/x86/kernel/ftrace.c | 12 +---
1 files changed, 5 insertions(+), 7 deletions(-)
diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index 311bcf
: Benjamin Herrenschmidt
Cc: Paul Mackerras
Cc: Michael Ellerman
Cc: linuxppc-...@lists.ozlabs.org
Suggested-by: Steven Rostedt
Signed-off-by: Li Bin
---
arch/powerpc/kernel/ftrace.c | 12 +---
1 files changed, 5 insertions(+), 7 deletions(-)
diff --git a/arch/powerpc/kernel/ftrace.c b
: linux...@vger.kernel.org
Suggested-by: Steven Rostedt
Signed-off-by: Li Bin
---
arch/sh/kernel/ftrace.c | 12 +---
1 files changed, 5 insertions(+), 7 deletions(-)
diff --git a/arch/sh/kernel/ftrace.c b/arch/sh/kernel/ftrace.c
index 079d70e..38993e0 100644
--- a/arch/sh/kernel/ftrace.c
: Tony Luck
Cc: Fenghua Yu
Cc: linux-i...@vger.kernel.org
Suggested-by: Steven Rostedt
Signed-off-by: Li Bin
---
arch/ia64/kernel/ftrace.c | 12 +---
1 files changed, 5 insertions(+), 7 deletions(-)
diff --git a/arch/ia64/kernel/ftrace.c b/arch/ia64/kernel/ftrace.c
index 3b0c2aa..cee411e
...@vger.kernel.org
Cc: Thomas Gleixner
"Cc: H. Peter Anvin"
Cc: x...@kernel.org
Li Bin (5):
ia64: ftrace: fix the comments for ftrace_modify_code
metag: ftrace: fix the comments for ftrace_modify_code
powerpc: ftrace: fix the comments for ftrace_modify_code
sh: ftrace: fix th
: James Hogan
Cc: linux-me...@vger.kernel.org
Suggested-by: Steven Rostedt
Signed-off-by: Li Bin
---
arch/metag/kernel/ftrace.c | 11 +--
1 files changed, 5 insertions(+), 6 deletions(-)
diff --git a/arch/metag/kernel/ftrace.c b/arch/metag/kernel/ftrace.c
index ed1d685..ac8c039 100644
: Benjamin Herrenschmidt <b...@kernel.crashing.org>
Cc: Paul Mackerras <pau...@samba.org>
Cc: Michael Ellerman <m...@ellerman.id.au>
Cc: linuxppc-...@lists.ozlabs.org
Suggested-by: Steven Rostedt <rost...@goodmis.org>
Signed-off-by: Li Bin <huawei.li...@huawei.com>
---
on 2015/12/6 6:52, Steven Rostedt wrote:
> On Sat, 5 Dec 2015 18:12:57 +0100 (CET)
> Thomas Gleixner <t...@linutronix.de> wrote:
>
>> On Fri, 4 Dec 2015, Li Bin wrote:
>>> --- a/arch/x86/kernel/ftrace.c
>>> +++ b/arch/x86/kernel/ftrace.c
>>>
: linux...@vger.kernel.org
Suggested-by: Steven Rostedt <rost...@goodmis.org>
Signed-off-by: Li Bin <huawei.li...@huawei.com>
---
arch/sh/kernel/ftrace.c | 12 +---
1 files changed, 5 insertions(+), 7 deletions(-)
diff --git a/arch/sh/kernel/ftrace.c b/arch/sh/kernel/ftrace.c
i
: James Hogan <james.ho...@imgtec.com>
Cc: linux-me...@vger.kernel.org
Suggested-by: Steven Rostedt <rost...@goodmis.org>
Signed-off-by: Li Bin <huawei.li...@huawei.com>
---
arch/metag/kernel/ftrace.c | 11 +--
1 files changed, 5 insertions(+), 6 deletions(-)
diff --git a
: Tony Luck <tony.l...@intel.com>
Cc: Fenghua Yu <fenghua...@intel.com>
Cc: linux-i...@vger.kernel.org
Suggested-by: Steven Rostedt <rost...@goodmis.org>
Signed-off-by: Li Bin <huawei.li...@huawei.com>
---
arch/ia64/kernel/ftrace.c | 12 +---
1 files changed, 5 in
rnel.crashing.org>
Cc: Paul Mackerras <pau...@samba.org>
Cc: Michael Ellerman <m...@ellerman.id.au>
Cc: linuxppc-...@lists.ozlabs.org
Cc: linux...@vger.kernel.org
Cc: Thomas Gleixner <t...@linutronix.de>
"Cc: H. Peter Anvin" <h...@zytor.com>
Cc: x..
: Thomas Gleixner <t...@linutronix.de>
Cc: "H. Peter Anvin" <h...@zytor.com>
Cc: x...@kernel.org
Suggested-by: Steven Rostedt <rost...@goodmis.org>
Signed-off-by: Li Bin <huawei.li...@huawei.com>
---
arch/x86/kernel/ftrace.c | 12 +---
1 files changed, 5 i
: Thomas Gleixner
Cc: "H. Peter Anvin"
Cc: x...@kernel.org
Suggested-by: Steven Rostedt
Signed-off-by: Li Bin
---
arch/x86/kernel/ftrace.c | 13 ++---
1 files changed, 6 insertions(+), 7 deletions(-)
diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index 311bcf
: Benjamin Herrenschmidt
Cc: Paul Mackerras
Cc: Michael Ellerman
Cc: linuxppc-...@lists.ozlabs.org
Suggested-by: Steven Rostedt
Signed-off-by: Li Bin
---
arch/powerpc/kernel/ftrace.c | 13 ++---
1 files changed, 6 insertions(+), 7 deletions(-)
diff --git a/arch/powerpc/kernel/ftrace.c b
: linux...@vger.kernel.org
Suggested-by: Steven Rostedt
Signed-off-by: Li Bin
---
arch/sh/kernel/ftrace.c | 13 ++---
1 files changed, 6 insertions(+), 7 deletions(-)
diff --git a/arch/sh/kernel/ftrace.c b/arch/sh/kernel/ftrace.c
index 079d70e..b696f92 100644
--- a/arch/sh/kernel/ftrace.c
: James Hogan
Cc: linux-me...@vger.kernel.org
Suggested-by: Steven Rostedt
Signed-off-by: Li Bin
---
arch/metag/kernel/ftrace.c | 12 ++--
1 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/metag/kernel/ftrace.c b/arch/metag/kernel/ftrace.c
index ed1d685..e5d71b1 100644
...@vger.kernel.org
Cc: Thomas Gleixner
"Cc: H. Peter Anvin"
Cc: x...@kernel.org
Li Bin (5):
ia64: ftrace: fix the comments for ftrace_modify_code
metag: ftrace: fix the comments for ftrace_modify_code
powerpc: ftrace: fix the comments for ftrace_modify_code
sh: ftrace: fix th
: Tony Luck
Cc: Fenghua Yu
Cc: linux-i...@vger.kernel.org
Suggested-by: Steven Rostedt
Signed-off-by: Li Bin
---
arch/ia64/kernel/ftrace.c | 13 ++---
1 files changed, 6 insertions(+), 7 deletions(-)
diff --git a/arch/ia64/kernel/ftrace.c b/arch/ia64/kernel/ftrace.c
index 3b0c2aa..a48a3f4
I will also update the comment for the other arch that using the similar
description, such as ia64/metag/powerpc/sh/x86.
Thanks,
Li Bin
on 2015/12/4 10:50, Steven Rostedt wrote:
> On Fri, 4 Dec 2015 10:18:39 +0800
> Li Bin wrote:
>
>> There is no need to worry about module te
tions", that can be executed by one
thread of execution as they are being modified by another thread
of execution without requiring explicit synchronization.
Signed-off-by: Li Bin
Reviewed-by: Steven Rostedt
---
arch/arm64/kernel/ftrace.c |5 +
1 files changed, 5 insertions(+), 0 deletion
v2:
Based on the comments from Will and Steve,
1. Modify the commit message
2. Fix the misleading comments for ftrace_modify_code
v3:
Modify the comments again based on the comment from Steve.
Link: https://lkml.org/lkml/2015/12/3/422
Li Bin (2):
arm64: ftrace: stop using kstop_machine
.
Suggested-by: Steven Rostedt
Signed-off-by: Li Bin
---
arch/arm64/kernel/ftrace.c | 11 +--
1 files changed, 5 insertions(+), 6 deletions(-)
diff --git a/arch/arm64/kernel/ftrace.c b/arch/arm64/kernel/ftrace.c
index 9669b33..8f7005b 100644
--- a/arch/arm64/kernel/ftrace.c
+++ b/arch/arm64
on 2015/12/4 10:50, Steven Rostedt wrote:
> On Fri, 4 Dec 2015 10:18:39 +0800
> Li Bin wrote:
>
>> There is no need to worry about module text disappearing case,
>> because that ftrace has a module notifier that is called when
>> a module is being unloaded an
v2:
Based on the comments from Will and Steve,
1. Modify the commit message
2. Fix the misleading comments for ftrace_modify_code
Link: https://lkml.org/lkml/2015/12/3/422
Li Bin (2):
arm64: ftrace: stop using kstop_machine to enable/disable tracing
arm64: ftrace: fix the comments
tions", that can be executed by one
thread of execution as they are being modified by another thread
of execution without requiring explicit synchronization.
Signed-off-by: Li Bin
---
arch/arm64/kernel/ftrace.c |5 +
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/arch/ar
, such that it will no longer do any
modifications to that module's text.
The update to make functions be traced or not is done under the
ftrace_lock mutex as well.
Signed-off-by: Li Bin
---
arch/arm64/kernel/ftrace.c |5 +
1 files changed, 1 insertions(+), 4 deletions(-)
diff --git a/arch/arm64/kernel
rnel.crashing.org>
Cc: Paul Mackerras <pau...@samba.org>
Cc: Michael Ellerman <m...@ellerman.id.au>
Cc: linuxppc-...@lists.ozlabs.org
Cc: linux...@vger.kernel.org
Cc: Thomas Gleixner <t...@linutronix.de>
"Cc: H. Peter Anvin" <h...@zytor.com>
Cc: x..
: Tony Luck <tony.l...@intel.com>
Cc: Fenghua Yu <fenghua...@intel.com>
Cc: linux-i...@vger.kernel.org
Suggested-by: Steven Rostedt <rost...@goodmis.org>
Signed-off-by: Li Bin <huawei.li...@huawei.com>
---
arch/ia64/kernel/ftrace.c | 13 ++---
1 files changed, 6 in
: James Hogan <james.ho...@imgtec.com>
Cc: linux-me...@vger.kernel.org
Suggested-by: Steven Rostedt <rost...@goodmis.org>
Signed-off-by: Li Bin <huawei.li...@huawei.com>
---
arch/metag/kernel/ftrace.c | 12 ++--
1 files changed, 6 insertions(+), 6 deletions(-)
diff --git a
: Thomas Gleixner <t...@linutronix.de>
Cc: "H. Peter Anvin" <h...@zytor.com>
Cc: x...@kernel.org
Suggested-by: Steven Rostedt <rost...@goodmis.org>
Signed-off-by: Li Bin <huawei.li...@huawei.com>
---
arch/x86/kernel/ftrace.c | 13 ++---
1 files changed, 6 i
v2:
Based on the comments from Will and Steve,
1. Modify the commit message
2. Fix the misleading comments for ftrace_modify_code
v3:
Modify the comments again based on the comment from Steve.
Link: https://lkml.org/lkml/2015/12/3/422
Li Bin (2):
arm64: ftrace: stop using kstop_machine
tions", that can be executed by one
thread of execution as they are being modified by another thread
of execution without requiring explicit synchronization.
Signed-off-by: Li Bin <huawei.li...@huawei.com>
Reviewed-by: Steven Rostedt <rost...@goodmis.org>
---
arch/arm64/kernel/ftrace.c
I will also update the comment for the other arch that using the similar
description, such as ia64/metag/powerpc/sh/x86.
Thanks,
Li Bin
on 2015/12/4 10:50, Steven Rostedt wrote:
> On Fri, 4 Dec 2015 10:18:39 +0800
> Li Bin <huawei.li...@huawei.com> wrote:
>
>> There is n
: Benjamin Herrenschmidt <b...@kernel.crashing.org>
Cc: Paul Mackerras <pau...@samba.org>
Cc: Michael Ellerman <m...@ellerman.id.au>
Cc: linuxppc-...@lists.ozlabs.org
Suggested-by: Steven Rostedt <rost...@goodmis.org>
Signed-off-by: Li Bin <huawei.li...@huawei.com>
---
: linux...@vger.kernel.org
Suggested-by: Steven Rostedt <rost...@goodmis.org>
Signed-off-by: Li Bin <huawei.li...@huawei.com>
---
arch/sh/kernel/ftrace.c | 13 ++---
1 files changed, 6 insertions(+), 7 deletions(-)
diff --git a/arch/sh/kernel/ftrace.c b/arch/sh/kernel/ftrace.c
i
on 2015/12/4 10:50, Steven Rostedt wrote:
> On Fri, 4 Dec 2015 10:18:39 +0800
> Li Bin <huawei.li...@huawei.com> wrote:
>
>> There is no need to worry about module text disappearing case,
>> because that ftrace has a module notifier that is called when
>> a mo
.
Suggested-by: Steven Rostedt <rost...@goodmis.org>
Signed-off-by: Li Bin <huawei.li...@huawei.com>
---
arch/arm64/kernel/ftrace.c | 11 +--
1 files changed, 5 insertions(+), 6 deletions(-)
diff --git a/arch/arm64/kernel/ftrace.c b/arch/arm64/kernel/ftrace.c
index 9669b33..8f
tions", that can be executed by one
thread of execution as they are being modified by another thread
of execution without requiring explicit synchronization.
Signed-off-by: Li Bin <huawei.li...@huawei.com>
---
arch/arm64/kernel/ftrace.c |5 +
1 files changed, 5 insertions(+), 0 deletion
, such that it will no longer do any
modifications to that module's text.
The update to make functions be traced or not is done under the
ftrace_lock mutex as well.
Signed-off-by: Li Bin <huawei.li...@huawei.com>
---
arch/arm64/kernel/ftrace.c |5 +
1 files changed, 1 insertions(+), 4 deletions(-)
diff
v2:
Based on the comments from Will and Steve,
1. Modify the commit message
2. Fix the misleading comments for ftrace_modify_code
Link: https://lkml.org/lkml/2015/12/3/422
Li Bin (2):
arm64: ftrace: stop using kstop_machine to enable/disable tracing
arm64: ftrace: fix the comments
s/ARCH_SUPPORT_FTARCE_OPS/ARCH_SUPPORTS_FTRACE_OPS
Signed-off-by: Li Bin
---
kernel/trace/ftrace.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 3f743b1..0033e05 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace
s/ARCH_SUPPORT_FTARCE_OPS/ARCH_SUPPORTS_FTARCE_OPS
Signed-off-by: Li Bin
---
kernel/trace/ftrace.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 3f743b1..eb4a881 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace
s/ARCH_SUPPORT_FTARCE_OPS/ARCH_SUPPORTS_FTRACE_OPS
Signed-off-by: Li Bin <huawei.li...@huawei.com>
---
kernel/trace/ftrace.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 3f743b1..0033e05 100644
--- a/kernel
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