Messages in this thread | | | Date | Fri, 10 Sep 2021 17:02:10 +0200 | From | Borislav Petkov <> | Subject | Re: [PATCH v3 2/8] mm: Introduce a function to check for confidential computing features |
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On Wed, Sep 08, 2021 at 05:58:33PM -0500, Tom Lendacky wrote: > In prep for other confidential computing technologies, introduce a generic
preparation
> helper function, cc_platform_has(), that can be used to check for specific > active confidential computing attributes, like memory encryption. This is > intended to eliminate having to add multiple technology-specific checks to > the code (e.g. if (sev_active() || tdx_active())).
...
> diff --git a/include/linux/cc_platform.h b/include/linux/cc_platform.h > new file mode 100644 > index 000000000000..253f3ea66cd8 > --- /dev/null > +++ b/include/linux/cc_platform.h > @@ -0,0 +1,88 @@ > +/* SPDX-License-Identifier: GPL-2.0-only */ > +/* > + * Confidential Computing Platform Capability checks > + * > + * Copyright (C) 2021 Advanced Micro Devices, Inc. > + * > + * Author: Tom Lendacky <thomas.lendacky@amd.com> > + */ > + > +#ifndef _CC_PLATFORM_H
_LINUX_CC_PLATFORM_H
> +#define _CC_PLATFORM_H
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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