linux-kernel - Re: [PATCH 07/11] kexec: Create a relocatable object called purgatory

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Message-ID: <20140226145246.GA23022@redhat.com>
Date:	Wed, 26 Feb 2014 09:52:46 -0500
From:	Vivek Goyal <vgoyal@...hat.com>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	linux-kernel@...r.kernel.org, kexec@...ts.infradead.org,
	ebiederm@...ssion.com, mjg59@...f.ucam.org, greg@...ah.com,
	jkosina@...e.cz
Subject: Re: [PATCH 07/11] kexec: Create a relocatable object called purgatory

On Tue, Feb 25, 2014 at 01:09:34PM -0800, H. Peter Anvin wrote:
> On 02/25/2014 10:20 AM, Vivek Goyal wrote:
> > 
> > Please let me know if you don't like the idea and you still think there
> > should be a shared implementation between arch/x86/boot/ and
> > arch/x86/purgatory/.
> > 
> 
> That is what I would *prefer*.  There are some other string functions in
> arch/x86/boot/string.c which also ought to be sharable (and are in
> places already.)
> 

Ok, I will look into it. Possibly move optimized 32bit and 64bit version of
memcpy in arch/x86/boot/string.c and include it in purgaotry files.

Or we could define new C version of routines in boot/string.c and leave
optimized versions where they are.

Thanks
Vivek
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