linux-kernel - Re: [PATCH 2/2] x86: Add support for uncompressed kernel images

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Message-ID: <5285F209.1070204@zytor.com>
Date:	Fri, 15 Nov 2013 02:06:01 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Christian Ruppert <christian.ruppert@...lis.com>
CC:	Pavel Roskin <proski@....org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	Vineet Gupta <Vineet.Gupta1@...opsys.com>,
	Noam Camus <noamc@...hip.com>
Subject: Re: [PATCH 2/2] x86: Add support for uncompressed kernel images

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


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