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Date: Wed, 24 Jun 2020 16:09:20 +0300
From: Alexander Popov <>
To: Luis Chamberlain <>
Cc: Kees Cook <>, Jann Horn <>,
 Emese Revfy <>,
 Miguel Ojeda <>,
 Masahiro Yamada <>,
 Michal Marek <>,
 Andrew Morton <>,
 Masahiro Yamada <>,
 Thiago Jung Bauermann <>, Jessica Yu
 <>, Sven Schnelle <>,
 Iurii Zaikin <>, Catalin Marinas
 <>, Will Deacon <>,
 Vincenzo Frascino <>,
 Thomas Gleixner <>, Peter Collingbourne <>,
 Naohiro Aota <>, Alexander Monakov <>,
 Mathias Krause <>, PaX Team <>,
 Brad Spengler <>, Laura Abbott <>,
 Florian Weimer <>,,,,,,,
Subject: Re: [PATCH v2 5/5] gcc-plugins/stackleak: Add 'verbose' plugin

On 24.06.2020 15:53, Luis Chamberlain wrote:
> On Wed, Jun 24, 2020 at 03:33:30PM +0300, Alexander Popov wrote:
>> Add 'verbose' plugin parameter for stackleak gcc plugin.
>> It can be used for printing additional info about the kernel code
>> instrumentation.
>> For using it add the following to scripts/Makefile.gcc-plugins:
>>   gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STACKLEAK) \
>>     += -fplugin-arg-stackleak_plugin-verbose
> Would be nice if we instead could pass an argument to make which lets
> us enable this.

This feature is useful only for debugging stackleak gcc plugin.

The cflag that enables it is similar to -fplugin-arg-structleak_plugin-verbose,
which is used for debugging the structleak plugin.

This debugging feature clutters the kernel build output, I don't think that many
people will use it. So IMO creating a separate argument for make is not really


Best regards,

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