[PATCH 10/14] uaccess: remove most CONFIG_SET_FS users

Christoph Hellwig hch at infradead.org
Tue Feb 15 04:06:04 AEDT 2022


On Mon, Feb 14, 2022 at 05:34:48PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd at arndb.de>
> 
> On almost all architectures, there are no remaining callers
> of set_fs(), so CONFIG_SET_FS can be disabled, along with
> removing the thread_info field and any references to it.
> 
> This turns access_ok() into a cheaper check against TASK_SIZE_MAX.

Wouldn't it make more sense to just merge this into the last patch?


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