From: "H. Peter Anvin" <hpa@zytor.com>
To: Nicolas Pitre <nico@fluxnic.net>
Cc: Russell King - ARM Linux <linux@arm.linux.org.uk>,
Michal Marek <mmarek@suse.cz>,
hyojun.im@lge.com, raphael.andy.lee@gmail.com,
linux-kbuild@vger.kernel.org, gunho.lee@lge.com,
namhyung.kim@lge.com, x86@kernel.org, minchan.kim@lge.com,
linux-kernel@vger.kernel.org,
Josh Triplett <josh@joshtriplett.org>,
Nitin Gupta <nitingupta910@gmail.com>,
Richard Purdie <rpurdie@openedhand.com>,
Ingo Molnar <mingo@redhat.com>,
Joe Millenbach <jmillenbach@gmail.com>,
chan.jeong@lge.com, Kyungsik Lee <kyungsik.lee@lge.com>,
Andrew Morton <akpm@linux-foundation.org>,
Albin Tonnerre <albin.tonnerre@free-electrons.com>,
CE Linux Developers List <celinux-dev@lists.celinuxforum.org>,
Thomas Gleixner <tglx@linutronix.de>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [RFC PATCH 0/4] Add support for LZ4-compressed kernels
Date: Thu, 31 Jan 2013 13:48:47 -0800 [thread overview]
Message-ID: <510AE6BF.4080303@zytor.com> (raw)
In-Reply-To: <alpine.LFD.2.02.1301301326530.6300@xanadu.home>
On 01/30/2013 10:33 AM, Nicolas Pitre wrote:
>>
>> The only concern I have with that is if someone paints themselves into a
>> corner and absolutely wants, say, LZO.
>
> That would be hard to justify given that the kernel provides its own
> decompressor code, making the compression format transparent to
> bootloaders, etc. And no one should be poking into the compressed
> zImage.
>
Some utterly weird things like the Xen domain builder do that, because
they have to. That is why we explicitly document that the payload is
ELF and how to access it in the bzImage spec.
-hpa
WARNING: multiple messages have this Message-ID (diff)
From: hpa@zytor.com (H. Peter Anvin)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH 0/4] Add support for LZ4-compressed kernels
Date: Thu, 31 Jan 2013 13:48:47 -0800 [thread overview]
Message-ID: <510AE6BF.4080303@zytor.com> (raw)
In-Reply-To: <alpine.LFD.2.02.1301301326530.6300@xanadu.home>
On 01/30/2013 10:33 AM, Nicolas Pitre wrote:
>>
>> The only concern I have with that is if someone paints themselves into a
>> corner and absolutely wants, say, LZO.
>
> That would be hard to justify given that the kernel provides its own
> decompressor code, making the compression format transparent to
> bootloaders, etc. And no one should be poking into the compressed
> zImage.
>
Some utterly weird things like the Xen domain builder do that, because
they have to. That is why we explicitly document that the payload is
ELF and how to access it in the bzImage spec.
-hpa
next prev parent reply other threads:[~2013-01-31 21:52 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-26 5:50 [RFC PATCH 0/4] Add support for LZ4-compressed kernels Kyungsik Lee
2013-01-26 5:50 ` Kyungsik Lee
2013-01-26 5:50 ` [RFC PATCH 1/4] decompressors: add lz4 decompressor module Kyungsik Lee
2013-01-26 5:50 ` Kyungsik Lee
2013-01-26 5:50 ` [RFC PATCH 2/4] lib: add support for LZ4-compressed kernels Kyungsik Lee
2013-01-26 5:50 ` Kyungsik Lee
2013-01-26 5:50 ` [RFC PATCH 3/4] arm: " Kyungsik Lee
2013-01-26 5:50 ` Kyungsik Lee
2013-01-26 5:50 ` [RFC PATCH 4/4] x86: " Kyungsik Lee
2013-01-26 5:50 ` Kyungsik Lee
2013-01-28 22:25 ` [RFC PATCH 0/4] Add " Andrew Morton
2013-01-28 22:25 ` Andrew Morton
2013-01-29 1:16 ` kyungsik.lee
2013-01-29 1:16 ` kyungsik.lee
2013-01-29 4:29 ` Nicolas Pitre
2013-01-29 4:29 ` Nicolas Pitre
2013-01-29 6:18 ` H. Peter Anvin
2013-01-29 6:18 ` H. Peter Anvin
2013-01-30 10:23 ` Johannes Stezenbach
2013-01-30 10:23 ` Johannes Stezenbach
2013-02-04 2:02 ` Markus F.X.J. Oberhumer
2013-02-04 2:02 ` Markus F.X.J. Oberhumer
2013-02-04 10:50 ` Russell King - ARM Linux
2013-02-04 10:50 ` Russell King - ARM Linux
2013-02-05 11:39 ` Johannes Stezenbach
2013-02-05 11:39 ` Johannes Stezenbach
2013-01-29 7:26 ` Richard Cochran
2013-01-29 7:26 ` Richard Cochran
2013-01-29 10:15 ` Russell King - ARM Linux
2013-01-29 10:15 ` Russell King - ARM Linux
2013-01-29 11:43 ` Egon Alter
2013-01-29 11:43 ` Egon Alter
2013-01-29 12:15 ` Russell King - ARM Linux
2013-01-29 12:15 ` Russell King - ARM Linux
2013-02-01 8:15 ` kyungsik.lee
2013-02-01 8:15 ` kyungsik.lee
2013-01-30 3:36 ` H. Peter Anvin
2013-01-30 3:36 ` H. Peter Anvin
2013-01-30 18:33 ` Nicolas Pitre
2013-01-30 18:33 ` Nicolas Pitre
2013-01-31 21:48 ` H. Peter Anvin [this message]
2013-01-31 21:48 ` H. Peter Anvin
2013-01-31 22:16 ` Nicolas Pitre
2013-01-31 22:16 ` Nicolas Pitre
2013-01-31 22:18 ` H. Peter Anvin
2013-01-31 22:18 ` H. Peter Anvin
2013-02-01 2:28 ` Nicolas Pitre
2013-02-01 2:28 ` Nicolas Pitre
2013-02-01 6:37 ` H. Peter Anvin
2013-02-01 6:37 ` H. Peter Anvin
2013-01-29 21:09 ` Rajesh Pawar
2013-01-29 21:09 ` Rajesh Pawar
2013-02-01 7:00 ` kyungsik.lee
2013-02-01 7:00 ` kyungsik.lee
2013-02-04 1:37 ` Markus F.X.J. Oberhumer
2013-02-04 1:37 ` Markus F.X.J. Oberhumer
2013-01-29 22:55 ` David Sterba
2013-01-29 22:55 ` David Sterba
2013-01-30 4:03 ` 이경식
2013-01-30 4:27 ` 이경식
2013-02-01 7:13 ` kyungsik.lee
2013-02-01 7:13 ` kyungsik.lee
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