Re: [PATCH] x86/sev: Fully map the #VC exception stacks

From: Borislav Petkov
Date: Fri Oct 01 2021 - 08:58:36 EST


On Fri, Oct 01, 2021 at 01:50:24PM +0200, Joerg Roedel wrote:
> Yeah, I think the right fix is to export cea_map_percpu_pages() and move
> the cea_map_stack() macro to a header and use it to map the VC stacks.

I'll do you one better: Put the #VC stack mapping into
percpu_setup_exception_stacks(), where it naturally belongs and where
the other stacks are being mapped instead of doing everything "by hand"
like now and exporting random helpers.

Thx.

--
Regards/Gruss,
Boris.

https://people.kernel.org/tglx/notes-about-netiquette