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Message-ID: <Z_QWFjJbPWIsBP2s@kernel.org>
Date: Mon, 7 Apr 2025 21:14:46 +0300
From: Jarkko Sakkinen <jarkko@...nel.org>
To: Borislav Petkov <bp@...en8.de>
Cc: Stefano Garzarella <sgarzare@...hat.com>,
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 Mon, Apr 07, 2025 at 03:46:43PM +0200, Borislav Petkov wrote:
> 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...
It's cleanly separated and does not even touch any shared headers,
so I don't see any issues on doing that. I.e., I'm with it :-)
>
> Thx.
>
> --
> Regards/Gruss,
> Boris.
>
> https://people.kernel.org/tglx/notes-about-netiquette
>
BR, Jarkko
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