linux-kernel - Re: [PATCH v10a 3/9] powerpc: detect the trusted boot state of the system

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Message-Id: <47DFyK2l6Jz9sSl@ozlabs.org>
Date:   Thu, 14 Nov 2019 20:08:24 +1100 (AEDT)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Eric Richter <erichte@...ux.ibm.com>,
        Mimi Zohar <zohar@...ux.ibm.com>, linuxppc-dev@...abs.org,
        linux-efi@...r.kernel.org, linux-integrity@...r.kernel.org
Cc:     Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Nayna Jain <nayna@...ux.ibm.com>, linux-kernel@...r.kernel.org,
        Paul Mackerras <paulus@...ba.org>, Jeremy Kerr <jk@...abs.org>,
        Oliver O'Halloran <oohall@...il.com>
Subject: Re: [PATCH v10a 3/9] powerpc: detect the trusted boot state of the system

On Tue, 2019-11-05 at 23:02:07 UTC, Eric Richter wrote:
> From: Nayna Jain <nayna@...ux.ibm.com>
> 
> While secure boot permits only properly verified signed kernels to be
> booted, trusted boot calculates the file hash of the kernel image and
> stores the measurement prior to boot, that can be subsequently compared
> against good known values via attestation services.
> 
> This patch reads the trusted boot state of a PowerNV system. The state
> is used to conditionally enable additional measurement rules in the IMA
> arch-specific policies.
> 
> Signed-off-by: Nayna Jain <nayna@...ux.ibm.com>
> Signed-off-by: Eric Richter <erichte@...ux.ibm.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/2702809a4a1ab414d75c00936cda70ea77c8234e

cheers