From: "H. Peter Anvin" <hpa@zytor.com>
To: Christian Ruppert <christian.ruppert@abilis.com>
Cc: Pavel Roskin <proski@gnu.org>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org,
Vineet Gupta <Vineet.Gupta1@synopsys.com>,
Noam Camus <noamc@ezchip.com>
Subject: Re: [PATCH 2/2] x86: Add support for uncompressed kernel images
Date: Fri, 15 Nov 2013 02:06:01 -0800 [thread overview]
Message-ID: <5285F209.1070204@zytor.com> (raw)
In-Reply-To: <20131115094931.GB31656@ab42.lan>
On 11/15/2013 01:49 AM, Christian Ruppert wrote:
>
> Actually, the x86 architecture already contains a basic implementation
> of memcpy in its self-decompressor. Correct me if I'm wrong but I guess
> memmove is not required since I don't expect the output of a generic
> decompression function to overlap with its input.
>
> We can simply use that function if we agree that
> . either nozip is x86 specific
> . or every architecture using this code must bring along its own memcpy
> implementation in its self-decompressor.
>
> Do you think that would be OK?
>
I think all of them have memcpy().
-hpa
next prev parent reply other threads:[~2013-11-15 10:06 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-13 16:34 Uncompressed kernel doesn't build on x86_64 Pavel Roskin
2013-11-13 16:49 ` H. Peter Anvin
2013-11-14 8:32 ` Christian Ruppert
2013-11-14 8:38 ` [PATCH 1/2] init/Kconfig: add option to disable kernel compression Christian Ruppert
2013-11-14 10:21 ` Vineet Gupta
2013-11-15 16:57 ` Christian Ruppert
2013-11-16 9:41 ` Vineet Gupta
2013-11-14 8:38 ` [PATCH 2/2] x86: Add support for uncompressed kernel images Christian Ruppert
2013-11-14 17:31 ` H. Peter Anvin
2013-11-15 9:31 ` Christian Ruppert
2013-11-14 17:45 ` H. Peter Anvin
2013-11-15 9:49 ` Christian Ruppert
2013-11-15 10:06 ` H. Peter Anvin [this message]
2013-11-14 14:13 ` Uncompressed kernel doesn't build on x86_64 Austin S Hemmelgarn
2013-11-14 23:38 ` Pavel Roskin
-- strict thread matches above, loose matches on Subject: below --
2013-11-18 9:48 [PATCH] [FIX] init/Kconfig: fix option to disable kernel compression Christian Ruppert
2013-11-18 9:51 ` [PATCH 2/2] x86: Add support for uncompressed kernel images Christian Ruppert
2013-11-18 11:25 ` Borislav Petkov
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