Subject: Re: [PATCH v2 18/18] uaccess: drop maining CONFIG_SET_FS users

From: Sergey Matyukevich <[email-masked]>
Date: Fri, 18 Feb 2022 13:18:03 +0300

Hi Arnd,

> From: Arnd Bergmann <[email-masked]>
> 
> 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 <[email-masked]>

Tested-by: Sergey Matyukevich <[email-masked]> # for arc changes

Regards,
Sergey