linux-kernel - Re: ima measurement carrying on -mm

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Message-Id: <20160929140206.bc37b32cd63d9635682274c8@linux-foundation.org>
Date:   Thu, 29 Sep 2016 14:02:06 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Thiago Jung Bauermann <bauerman@...ux.vnet.ibm.com>
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Eric Biederman <ebiederm@...ssion.com>,
        Mimi Zohar <zohar@...ux.vnet.ibm.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: ima measurement carrying on -mm

On Thu, 29 Sep 2016 17:44:10 -0300 Thiago Jung Bauermann <bauerman@...ux.vnet.ibm.com> wrote:

> Hello Andrew,
> 
> You have in the -mm tree a version of the "kexec handover buffer" and "ima 
> carry measurement list" patches that were NAKed by Eric Biederman. I would 
> just like to double-check that there's no risk of that version reaching 
> v4.9.
> 
> Mimi posted v5 of a merged patch set that addresses Eric's concern:
> 
> https://lists.ozlabs.org/pipermail/linuxppc-dev/2016-September/149183.html
> 
> There are no separate kexec handover patches anymore. They were folded into 
> the series above. The kexec code is simplified now, it doesn't support 
> updating the buffer and recalculating the hash on reboot, and is now IMA-
> specific instead of a generic kexec feature.

Yup, thanks.

I wasn't thinking any of this material is suitable for 4.9.  Seems that
a bit more consideration will be needed.  Am I wrong about that?

Are all of these -mm patches up to date?

kexec_file-allow-arch-specific-memory-walking-for-kexec_add_buffer.patch
kexec_file-change-kexec_add_buffer-to-take-kexec_buf-as-argument.patch
kexec_file-factor-out-kexec_locate_mem_hole-from-kexec_add_buffer.patch
powerpc-change-places-using-config_kexec-to-use-config_kexec_core-instead.patch
powerpc-factor-out-relocation-code-from-module_64c-to-elf_util_64c.patch
powerpc-generalize-elf64_apply_relocate_add.patch
powerpc-adapt-elf64_apply_relocate_add-for-kexec_file_load.patch
powerpc-add-functions-to-read-elf-files-of-any-endianness.patch
powerpc-implement-kexec_file_load.patch
powerpc-add-code-to-work-with-device-trees-in-kexec_file_load.patch
powerpc-add-support-for-loading-elf-kernels-with-kexec_file_load.patch
powerpc-add-support-for-loading-elf-kernels-with-kexec_file_load-fix.patch
powerpc-add-purgatory-for-kexec_file_load-implementation.patch
powerpc-add-purgatory-for-kexec_file_load-implementation-fix.patch
powerpc-enable-config_kexec_file-in-powerpc-server-defconfigs.patch
#
kexec_file-include-the-purgatory-segment-in-the-kexec-image-checksum.patch
kexec_file-add-buffer-hand-over-support-for-the-next-kernel.patch
powerpc-kexec_file-add-buffer-hand-over-support-for-the-next-kernel.patch
kexec_file-add-mechanism-to-update-kexec-segments.patch