linux-kernel - Re: [PATCH v3 13/75] x86/boot/compressed/64: Add IDT Infrastructure

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Date:   Mon, 4 May 2020 13:28:59 +0200
From:   Joerg Roedel <jroedel@...e.de>
To:     Borislav Petkov <bp@...en8.de>
Cc:     Joerg Roedel <joro@...tes.org>, x86@...nel.org, hpa@...or.com,
        Andy Lutomirski <luto@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Hellstrom <thellstrom@...are.com>,
        Jiri Slaby <jslaby@...e.cz>,
        Dan Williams <dan.j.williams@...el.com>,
        Tom Lendacky <thomas.lendacky@....com>,
        Juergen Gross <jgross@...e.com>,
        Kees Cook <keescook@...omium.org>,
        David Rientjes <rientjes@...gle.com>,
        Cfir Cohen <cfir@...gle.com>,
        Erdem Aktas <erdemaktas@...gle.com>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Mike Stunes <mstunes@...are.com>, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH v3 13/75] x86/boot/compressed/64: Add IDT Infrastructure

On Mon, May 04, 2020 at 12:54:45PM +0200, Borislav Petkov wrote:
> On Tue, Apr 28, 2020 at 05:16:23PM +0200, Joerg Roedel wrote:
> > diff --git a/arch/x86/boot/compressed/idt_handlers_64.S b/arch/x86/boot/compressed/idt_handlers_64.S
> > new file mode 100644
> > index 000000000000..f86ea872d860
> > --- /dev/null
> > +++ b/arch/x86/boot/compressed/idt_handlers_64.S
> > @@ -0,0 +1,69 @@
> > +/* SPDX-License-Identifier: GPL-2.0-only */
> > +/*
> > + * Early IDT handler entry points
> > + *
> > + * Copyright (C) 2019 SUSE
> > + *
> > + * Author: Joerg Roedel <jroedel@...e.de>
> > + */
> > +
> > +#include <asm/segment.h>
> > +
> > +#include "../../entry/calling.h"
> 
> Leftover from something? Commenting it out doesn't break the build here.

Yes, probably a leftover from when I tried to use the PT_REGS macros
there. I'll remove it.


Thanks,

	Joerg