Thread (16 messages) 16 messages, 2 authors, 2021-07-29

Re: [PATCH v2 5/7] kallsyms: Rename is_kernel() and is_kernel_text()

From: Kefeng Wang <hidden>
Date: 2021-07-29 02:00:59
Also in: bpf, linuxppc-dev, lkml

On 2021/7/28 23:28, Steven Rostedt wrote:
On Wed, 28 Jul 2021 16:13:18 +0800
Kefeng Wang [off-list ref] wrote:
quoted
The is_kernel[_text]() function check the address whether or not
in kernel[_text] ranges, also they will check the address whether
or not in gate area, so use better name.
Do you know what a gate area is?

Because I believe gate area is kernel text, so the rename just makes it
redundant and more confusing.
Yes, the gate area(eg, vectors part on ARM32, similar on x86/ia64) is 
kernel text.

I want to keep the 'basic' section boundaries check, which only check 
the start/end

of sections, all in section.h,  could we use 'generic' or 'basic' or 
'core' in the naming?

  * is_kernel_generic_data()	--- come from core_kernel_data() in kernel.h
  * is_kernel_generic_text()

The old helper could remain unchanged, any suggestion, thanks.
-- Steve
.
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