linux-kernel - Re: [PATCH 4/6] kexec: A new system call, kexec_file

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Date:	Wed, 4 Dec 2013 12:19:04 -0500
From:	Vivek Goyal <vgoyal@...hat.com>
To:	Baoquan He <bhe@...hat.com>
Cc:	mjg59@...f.ucam.org, greg@...ah.com, kexec@...ts.infradead.org,
	linux-kernel@...r.kernel.org, ebiederm@...ssion.com, hpa@...or.com
Subject: Re: [PATCH 4/6] kexec: A new system call, kexec_file_load, for in
 kernel kexec

On Wed, Dec 04, 2013 at 09:35:29AM +0800, Baoquan He wrote:
> On 12/02/13 at 10:44am, Vivek Goyal wrote:
> > On Fri, Nov 29, 2013 at 11:10:48AM +0800, Baoquan He wrote:
> > 
> > [..]
> > > > +void *arch_kexec_kernel_image_load(struct kimage *image, char *kernel,
> > > > +			unsigned long kernel_len, char *initrd,
> > > > +			unsigned long initrd_len, char *cmdline,
> > > > +			unsigned long cmdline_len)
> > > > +{
> > > > +	int idx = image->file_handler_idx;
> > > > +
> > > > +	if (idx < 0)
> > > > +		return ERR_PTR(-ENOEXEC);
> > > > +
> > > > +	return kexec_file_type[idx].load(image, kernel, kernel_len, initrd,
> > > > +					initrd_len, cmdline, cmdline_len);
> > > > +}
> > > > +
> > > > +int arch_image_file_post_load_cleanup(struct kimage *image)
> > > > +{
> > > 
> > > Hi Vivek,
> > > 
> > > This function is defined as one of arch specific fucntion set, why don't
> > > we name it in a unified prefix as others.
> > 
> > I am using "arch_" prefix. What else to use?
> 
> I mean in this function series, other functions have name like
> arch_kexec_kernel_image_xxx, why this function is lonely, and is named
> as arch_kimage_xxx. And here what does the 'k' mean in "kimage", kexec
> image or kernel image, I am confused.

kimage is name is structure which is containing all the data relevant
to loading of file. 

I guess I can use arch_kimage_file_post_load_cleanup().

Thanks
Vivek
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