[RFC PATCH v2 3/4] arm64: Detect FTRACE cases that make the stack trace unreliable

Madhavan T. Venkataraman madvenka at linux.microsoft.com
Fri Apr 9 15:02:41 BST 2021



On 4/9/21 6:31 AM, Mark Brown wrote:
> On Thu, Apr 08, 2021 at 02:23:39PM -0500, Madhavan T. Venkataraman wrote:
>> On 4/8/21 11:58 AM, Mark Brown wrote:
> 
>>> This looks good to me however I'd really like someone who has a firmer
>>> understanding of what ftrace is doing to double check as it is entirely
>>> likely that I am missing cases here, it seems likely that if I am
>>> missing stuff it's extra stuff that needs to be added and we're not
>>> actually making use of the reliability information yet.
> 
>> OK. So, do you have some specific reviewer(s) in mind? Apart from yourself, Mark Rutland and
>> Josh Poimboeuf, these are some reviewers I can think of (in alphabetical order):
> 
> Mainly Mark Rutland, but generally someone else who has looked at ftrace
> on arm64 in detail.  It was mainly a comment to say I wasn't going to do
> any kind of Reviewed-by but also hadn't spotted any issues.
> 

Understood.

Madhavan



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