Re: [RFC][PATCH] unwind: Add stacktrace_setup system call

[Jens Remus]

On 4/29/2026 10:03 PM, Steven Rostedt wrote:
> On Wed, 29 Apr 2026 14:58:15 -0400
> Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> 
>>> If the main executable doesn't have a sframe section, I don't see why this
>>> shouldn't be allowed to add one.  
>>
>> The address is added via mtree_insert_range() which states it will return
>> -EEXISTS if the range is occupied.
> 
> I confirmed this. I changed the test program to load its own sframe section
> again, and it errors out with -EEXISTS.

Should an executable be allowed to remove its main executable sframe
section?  Currently the kernel takes care of registering/unregistering
that.

Regards,
Jens
-- 
Jens Remus
Linux on Z Development (D3303)
jremus@xxxxxxxxxx / jremus@xxxxxxxxxxxxx

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