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Date:   Fri, 18 Feb 2022 13:18:03 +0300
From:   Sergey Matyukevich <geomatsi@gmail.com>
To:     Arnd Bergmann <arnd@kernel.org>
Cc:     Linus Torvalds <torvalds@linux-foundation.org>,
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Subject: Re: [PATCH v2 18/18] uaccess: drop maining CONFIG_SET_FS users
Message-ID: <Yg9yWxqD4RO7jI2g@curiosity>
References: <20220216131332.1489939-1-arnd@kernel.org>
 <20220216131332.1489939-19-arnd@kernel.org>
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Hi Arnd,

> From: Arnd Bergmann <arnd@arndb.de>
> 
> There are no remaining callers of set_fs(), so CONFIG_SET_FS
> can be removed globally, along with the thread_info field and
> any references to it.
> 
> This turns access_ok() into a cheaper check against TASK_SIZE_MAX.
> 
> With CONFIG_SET_FS gone, so drop all remaining references to
> set_fs()/get_fs(), mm_segment_t and uaccess_kernel().
> 
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Tested-by: Sergey Matyukevich <sergey.matyukevich@synopsys.com> # for arc changes

Regards,
Sergey