Re: [PATCH 18/43] x86/entry/64: Move the IST stacks into cpu_entry_area

From: Thomas Gleixner
Date: Fri Nov 24 2017 - 09:23:29 EST


On Fri, 24 Nov 2017, Ingo Molnar wrote:

> From: Andy Lutomirski <luto@xxxxxxxxxx>
>
> The IST stacks are needed when an IST exception occurs and are
> accessed before any kernel code at all runs. Move them into
> cpu_entry_area.
>
> Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx>

Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>