On 27 September 2013 21:11, Jiang Liu wrote:
> On 09/25/2013 10:35 PM, Sandeepa Prabhu wrote:
>> On 25 September 2013 16:14, Jiang Liu wrote:
>>> From: Jiang Liu
>>>
>>> Introduce aarch64_insn_patch_text() and __aarch64_insn_patch_text()
>>> to patch kernel and module code.
>>>
>>> Function
On 09/25/2013 10:35 PM, Sandeepa Prabhu wrote:
> On 25 September 2013 16:14, Jiang Liu wrote:
>> From: Jiang Liu
>>
>> Introduce aarch64_insn_patch_text() and __aarch64_insn_patch_text()
>> to patch kernel and module code.
>>
>> Function aarch64_insn_patch_text() is a heavy version which may use
On 09/25/2013 10:35 PM, Sandeepa Prabhu wrote:
On 25 September 2013 16:14, Jiang Liu liu...@gmail.com wrote:
From: Jiang Liu jiang@huawei.com
Introduce aarch64_insn_patch_text() and __aarch64_insn_patch_text()
to patch kernel and module code.
Function aarch64_insn_patch_text() is a
On 27 September 2013 21:11, Jiang Liu liu...@gmail.com wrote:
On 09/25/2013 10:35 PM, Sandeepa Prabhu wrote:
On 25 September 2013 16:14, Jiang Liu liu...@gmail.com wrote:
From: Jiang Liu jiang@huawei.com
Introduce aarch64_insn_patch_text() and __aarch64_insn_patch_text()
to patch kernel
On 25 September 2013 21:24, Jiang Liu wrote:
> Hi Sandeepa,
> Great to know that you are working on kprobe for ARM64.
> I have done some investigation, found it's an huge work for me
> then gave up:(
> I will try refine the implementation based on your requirement.
>
On 25 September 2013 20:46, Steven Rostedt wrote:
> On Wed, 25 Sep 2013 20:12:17 +0530
> Sandeepa Prabhu wrote:
>
>
>> > On aarch64, are instructions always word aligned? If not, it should be
>> > safe for stop machine to modify non word aligned instructions, but this
>> > patch looks like it
Hi Sandeepa,
Great to know that you are working on kprobe for ARM64.
I have done some investigation, found it's an huge work for me
then gave up:(
I will try refine the implementation based on your requirement.
Thanks!
On 09/25/2013 10:35 PM, Sandeepa Prabhu wrote:
> On 25
On Wed, 25 Sep 2013 20:12:17 +0530
Sandeepa Prabhu wrote:
> > On aarch64, are instructions always word aligned? If not, it should be
> > safe for stop machine to modify non word aligned instructions, but this
> > patch looks like it doesn't allow stop_machine() to do so.
> Steve,
>
> Yes,
On 25 September 2013 20:05, Steven Rostedt wrote:
> On Wed, 25 Sep 2013 18:44:22 +0800
> Jiang Liu wrote:
>> diff --git a/arch/arm64/kernel/insn.c b/arch/arm64/kernel/insn.c
>> index 8541c3a..50facfc 100644
>> --- a/arch/arm64/kernel/insn.c
>> +++ b/arch/arm64/kernel/insn.c
>> @@ -15,6 +15,8 @@
On Wed, 25 Sep 2013 18:44:22 +0800
Jiang Liu wrote:
> diff --git a/arch/arm64/kernel/insn.c b/arch/arm64/kernel/insn.c
> index 8541c3a..50facfc 100644
> --- a/arch/arm64/kernel/insn.c
> +++ b/arch/arm64/kernel/insn.c
> @@ -15,6 +15,8 @@
> * along with this program. If not, see
On 25 September 2013 16:14, Jiang Liu wrote:
> From: Jiang Liu
>
> Introduce aarch64_insn_patch_text() and __aarch64_insn_patch_text()
> to patch kernel and module code.
>
> Function aarch64_insn_patch_text() is a heavy version which may use
> stop_machine() to serialize all online CPUs, and
From: Jiang Liu
Introduce aarch64_insn_patch_text() and __aarch64_insn_patch_text()
to patch kernel and module code.
Function aarch64_insn_patch_text() is a heavy version which may use
stop_machine() to serialize all online CPUs, and function
__aarch64_insn_patch_text() is light version without
From: Jiang Liu jiang@huawei.com
Introduce aarch64_insn_patch_text() and __aarch64_insn_patch_text()
to patch kernel and module code.
Function aarch64_insn_patch_text() is a heavy version which may use
stop_machine() to serialize all online CPUs, and function
__aarch64_insn_patch_text() is
On Wed, 25 Sep 2013 18:44:22 +0800
Jiang Liu liu...@gmail.com wrote:
diff --git a/arch/arm64/kernel/insn.c b/arch/arm64/kernel/insn.c
index 8541c3a..50facfc 100644
--- a/arch/arm64/kernel/insn.c
+++ b/arch/arm64/kernel/insn.c
@@ -15,6 +15,8 @@
* along with this program. If not, see
On 25 September 2013 16:14, Jiang Liu liu...@gmail.com wrote:
From: Jiang Liu jiang@huawei.com
Introduce aarch64_insn_patch_text() and __aarch64_insn_patch_text()
to patch kernel and module code.
Function aarch64_insn_patch_text() is a heavy version which may use
stop_machine() to
On 25 September 2013 20:05, Steven Rostedt rost...@goodmis.org wrote:
On Wed, 25 Sep 2013 18:44:22 +0800
Jiang Liu liu...@gmail.com wrote:
diff --git a/arch/arm64/kernel/insn.c b/arch/arm64/kernel/insn.c
index 8541c3a..50facfc 100644
--- a/arch/arm64/kernel/insn.c
+++
On Wed, 25 Sep 2013 20:12:17 +0530
Sandeepa Prabhu sandeepa.pra...@linaro.org wrote:
On aarch64, are instructions always word aligned? If not, it should be
safe for stop machine to modify non word aligned instructions, but this
patch looks like it doesn't allow stop_machine() to do so.
Hi Sandeepa,
Great to know that you are working on kprobe for ARM64.
I have done some investigation, found it's an huge work for me
then gave up:(
I will try refine the implementation based on your requirement.
Thanks!
On 09/25/2013 10:35 PM, Sandeepa Prabhu wrote:
On 25
On 25 September 2013 20:46, Steven Rostedt rost...@goodmis.org wrote:
On Wed, 25 Sep 2013 20:12:17 +0530
Sandeepa Prabhu sandeepa.pra...@linaro.org wrote:
On aarch64, are instructions always word aligned? If not, it should be
safe for stop machine to modify non word aligned instructions,
On 25 September 2013 21:24, Jiang Liu liu...@gmail.com wrote:
Hi Sandeepa,
Great to know that you are working on kprobe for ARM64.
I have done some investigation, found it's an huge work for me
then gave up:(
I will try refine the implementation based on your requirement.
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