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

Sergey Matyukevich
2022-02-18T10:18:10Z

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