[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Fri, 11 Nov 2022 10:21:43 +0800
From: Coiby Xu <coxu@...hat.com>
To: Michael Ellerman <mpe@...erman.id.au>
Cc: Stefan Berger <stefanb@...ux.ibm.com>, kexec@...ts.infradead.org,
devicetree@...r.kernel.org, linux-integrity@...r.kernel.org,
linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
nayna@...ux.ibm.com, nasastry@...ibm.com,
Baoquan He <bhe@...hat.com>
Subject: Re: [PATCH v8 0/4] tpm: Preserve TPM measurement log across kexec
(ppc64)
Hi Michael,
Could the PowerPC tree take this patch set which resolves a
PowerVM/KVM-specific issue?
On Thu, Sep 01, 2022 at 05:46:06PM -0400, Stefan Berger wrote:
>The of-tree subsystem does not currently preserve the IBM vTPM 1.2 and
>vTPM 2.0 measurement logs across a kexec on PowerVM and PowerKVM. This
>series fixes this for the kexec_file_load() syscall using the flattened
>device tree (fdt) to carry the TPM measurement log's buffer across kexec.
>
> Stefan
>
>v8:
> - Added Jarkko's, Coiby's, and Rob's tags
> - Rebase on v6.0-rc3 that absorbed 2 already upstreamed patches
>
>v7:
> - Added Nageswara's Tested-by tags
> - Added back original comment to inline function and removed Jarkko's R-b tag
>
>v6:
> - Add __init to get_kexec_buffer as suggested by Jonathan
> - Fixed issue detected by kernel test robot
>
>v5:
> - Rebased on 1 more patch that would otherwise create merge conflicts
>
>v4:
> - Rebased on 2 patches that would otherwise create merge conflicts;
> posting these patches in this series with several tags removed so
> krobot can test the series already
> - Changes to individual patches documented in patch descripitons
>
>v3:
> - Moved TPM Open Firmware related function to drivers/char/tpm/eventlog/tpm_of.c
>
>v2:
> - rearranged patches
> - fixed compilation issues for x86
>
>Palmer Dabbelt (1):
> drivers: of: kexec ima: Support 32-bit platforms
>
>Stefan Berger (3):
> tpm: of: Make of-tree specific function commonly available
> of: kexec: Refactor IMA buffer related functions to make them reusable
> tpm/kexec: Duplicate TPM measurement log in of-tree for kexec
>
> drivers/char/tpm/eventlog/of.c | 31 +--
> drivers/of/kexec.c | 336 ++++++++++++++++++++++++++++-----
> include/linux/kexec.h | 6 +
> include/linux/of.h | 9 +-
> include/linux/tpm.h | 36 ++++
> kernel/kexec_file.c | 6 +
> 6 files changed, 346 insertions(+), 78 deletions(-)
>
>
>base-commit: b90cb1053190353cc30f0fef0ef1f378ccc063c5
>--
>2.35.1
>
--
Best regards,
Coiby
Powered by blists - more mailing lists