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Date:   Fri, 1 Oct 2021 14:58:28 +0200
From:   Borislav Petkov <bp@alien8.de>
To:     Joerg Roedel <jroedel@suse.de>
Cc:     Tom Lendacky <thomas.lendacky@amd.com>,
        linux-kernel@vger.kernel.org, x86@kernel.org,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>,
        "H. Peter Anvin" <hpa@zytor.com>,
        Brijesh Singh <brijesh.singh@amd.com>
Subject: Re: [PATCH] x86/sev: Fully map the #VC exception stacks
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References: <113eca80a14cd280540c38488fd31ac0fa7bf36c.1633063250.git.thomas.lendacky@amd.com>
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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