From: Dave Young <dyoung@redhat.com>
To: AKASHI Takahiro <takahiro.akashi@linaro.org>
Cc: vgoyal@redhat.com, bhe@redhat.com, mpe@ellerman.id.au,
bauerman@linux.vnet.ibm.com, prudo@linux.vnet.ibm.com,
kexec@lists.infradead.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org
Subject: Re: [PATCH 0/7] kexec_file: refactoring for other architecutres
Date: Fri, 2 Mar 2018 13:56:09 +0800 [thread overview]
Message-ID: <20180302055609.GA15422@dhcp-128-65.nay.redhat.com> (raw)
In-Reply-To: <20180227044814.24808-1-takahiro.akashi@linaro.org>
Hi AKASHI,
On 02/27/18 at 01:48pm, AKASHI Takahiro wrote:
> subject:
>
> This is a preparatory patch set for adding kexec_file support on arm64.
>
> It was originally included in a arm64 patch set[1], but Philipp is also
> working on their kexec_file support on s390[2] and some changes are now
> conflicting.
>
> So these common part was extracted and put into a separate patch set for
> better integration. What's more, my original patch#4 was split into a few
> small chunks for easier review after Dave's comment.
>
> As such, the resulting code is basically identical with my original, and
> the only difference is that kexec_file_loaders[] is now declared in kexec.h
> after Phillipp's comment[3]. Other than that, this patch set doesn't
> require any changes on the rest of my original patch set(#1, #6 to #13).
>
> Patch#1 allows making a use of purgatory optional, particularly useful
> for arm64.
> Patch#2 commonalizes arch_kexec_kernel_{image_probe, image_load,
> verify_sig}() and arch_kimage_file_post_load_cleanup() across architectures.
> Patch#3-#7 is also intended to generalize parse_elf64_headers(), along with
> exclude_mem_range(), to be made best re-use of.
>
> [1] http://lists.infradead.org/pipermail/linux-arm-kernel/2018-February/561182.html
> [2] http://lkml.iu.edu//hypermail/linux/kernel/1802.1/02596.html
> [3] http://lists.infradead.org/pipermail/linux-arm-kernel/2018-February/562041.html
>
> AKASHI Takahiro (7):
> kexec_file: make an use of purgatory optional
> kexec_file,x86,powerpc: factor out kexec_file_ops functions
> x86: kexec_file: purge system-ram walking from prepare_elf64_headers()
> x86: kexec_file: remove X86_64 dependency from prepare_elf64_headers()
> x86: kexec_file: lift CRASH_MAX_RANGES limit on crash_mem buffer
> x86: kexec_file: clean up prepare_elf64_headers()
> kexec_file, x86: move re-factored code to generic side
>
> arch/powerpc/Kconfig | 3 +
> arch/powerpc/include/asm/kexec.h | 2 +-
> arch/powerpc/kernel/kexec_elf_64.c | 2 +-
> arch/powerpc/kernel/machine_kexec_file_64.c | 39 +---
> arch/x86/Kconfig | 3 +
> arch/x86/include/asm/kexec-bzimage64.h | 2 +-
> arch/x86/kernel/crash.c | 332 +++++-----------------------
> arch/x86/kernel/kexec-bzimage64.c | 2 +-
> arch/x86/kernel/machine_kexec_64.c | 45 +---
> include/linux/kexec.h | 36 ++-
> kernel/kexec_file.c | 236 +++++++++++++++++++-
> 11 files changed, 336 insertions(+), 366 deletions(-)
>
> --
> 2.16.2
>
Reviewed them with eyes and provided some comments, but since it changed
the elf header code, I would like to do some basic vmcore related test
with crash tools. Will response later.
Overall the cleanups looks good, thank you a lot for the cleanups!
Thanks
Dave
next prev parent reply other threads:[~2018-03-02 5:56 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-27 4:48 [PATCH 0/7] kexec_file: refactoring for other architecutres AKASHI Takahiro
2018-02-27 4:48 ` [PATCH 1/7] kexec_file: make an use of purgatory optional AKASHI Takahiro
2018-03-02 5:58 ` Dave Young
2018-03-02 6:11 ` Dave Young
2018-03-02 7:26 ` AKASHI Takahiro
2018-02-27 4:48 ` [PATCH 2/7] kexec_file,x86,powerpc: factor out kexec_file_ops functions AKASHI Takahiro
2018-03-02 5:04 ` Dave Young
2018-03-02 5:24 ` AKASHI Takahiro
2018-03-02 5:53 ` Dave Young
2018-03-02 6:08 ` Dave Young
2018-03-02 7:16 ` AKASHI Takahiro
2018-03-02 7:56 ` Dave Young
2018-02-27 4:48 ` [PATCH 3/7] x86: kexec_file: purge system-ram walking from prepare_elf64_headers() AKASHI Takahiro
2018-02-27 4:48 ` [PATCH 4/7] x86: kexec_file: remove X86_64 dependency " AKASHI Takahiro
2018-03-02 5:19 ` Dave Young
2018-03-02 5:33 ` AKASHI Takahiro
2018-02-27 4:48 ` [PATCH 5/7] x86: kexec_file: lift CRASH_MAX_RANGES limit on crash_mem buffer AKASHI Takahiro
2018-03-02 5:31 ` Dave Young
2018-03-02 5:36 ` AKASHI Takahiro
2018-02-27 4:48 ` [PATCH 6/7] x86: kexec_file: clean up prepare_elf64_headers() AKASHI Takahiro
2018-03-02 5:39 ` Dave Young
2018-03-02 5:58 ` AKASHI Takahiro
2018-03-02 6:04 ` Dave Young
2018-02-27 4:48 ` [PATCH 7/7] kexec_file, x86: move re-factored code to generic side AKASHI Takahiro
2018-03-02 5:56 ` Dave Young [this message]
2018-03-05 2:36 ` [PATCH 0/7] kexec_file: refactoring for other architecutres Dave Young
2018-03-06 10:28 ` AKASHI Takahiro
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