linux-kernel - Re: [PATCH v6 0/4] Enlightened vTPM support for SVSM on SEV-SNP

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Message-ID: <20250407134643.GDZ_PXQ0OlzcMjiGgp@fat_crate.local>
Date: Mon, 7 Apr 2025 15:46:43 +0200
From: Borislav Petkov <bp@...en8.de>
To: Stefano Garzarella <sgarzare@...hat.com>,
	Jarkko Sakkinen <jarkko@...nel.org>
Cc: Dave Hansen <dave.hansen@...ux.intel.com>,
	Peter Huewe <peterhuewe@....de>, Jason Gunthorpe <jgg@...pe.ca>,
	"H. Peter Anvin" <hpa@...or.com>, linux-coco@...ts.linux.dev,
	linux-integrity@...r.kernel.org, Ingo Molnar <mingo@...hat.com>,
	x86@...nel.org, Tom Lendacky <thomas.lendacky@....com>,
	Joerg Roedel <jroedel@...e.de>,
	Dionna Glaze <dionnaglaze@...gle.com>,
	Claudio Carvalho <cclaudio@...ux.ibm.com>,
	James Bottomley <James.Bottomley@...senpartnership.com>,
	linux-kernel@...r.kernel.org, Dov Murik <dovmurik@...ux.ibm.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH v6 0/4] Enlightened vTPM support for SVSM on SEV-SNP

On Thu, Apr 03, 2025 at 12:09:38PM +0200, Stefano Garzarella wrote:
> Stefano Garzarella (4):
>   x86/sev: add SVSM vTPM probe/send_command functions
>   svsm: add header with SVSM_VTPM_CMD helpers
>   tpm: add SNP SVSM vTPM driver
>   x86/sev: register tpm-svsm platform device
> 
>  arch/x86/include/asm/sev.h  |   9 +++
>  include/linux/tpm_svsm.h    | 149 ++++++++++++++++++++++++++++++++++++
>  arch/x86/coco/sev/core.c    |  67 ++++++++++++++++
>  drivers/char/tpm/tpm_svsm.c | 128 +++++++++++++++++++++++++++++++
>  drivers/char/tpm/Kconfig    |  10 +++
>  drivers/char/tpm/Makefile   |   1 +
>  6 files changed, 364 insertions(+)
>  create mode 100644 include/linux/tpm_svsm.h
>  create mode 100644 drivers/char/tpm/tpm_svsm.c

Jarrko,

should I take the whole bunch through the tip tree?

No point in splitting between two trees...

Thx.

-- 
Regards/Gruss,
    Boris.

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