Re: [PATCH v2 05/18] x86/fixmap: Generalize the GDT fixmap mechanism

From: Thomas Gleixner
Date: Thu Nov 23 2017 - 14:25:05 EST

On Tue, 21 Nov 2017, Andy Lutomirski wrote:

> Currently, the GDT is an ad-hoc array of pages, one per CPU, in the
> fixmap. Generalize it to be an array of a new struct cpu_entry_area
> so that we can cleanly add new things to it.
> Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx>

> +/*
> + * cpu_entry_area is a percpu region in the fixmap that contains things
> + * needed by the CPU and early entry/exit code. Real types aren't used
> + * for all fields here to about circular header dependencies.

s/to about/to avoid/ ???

Other than that.

Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>