linux-kernel - Re: [PATCH 6/6] kexec: Support for Kexec on panic using new system call

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Message-ID: <20131204171934.GB19087@redhat.com>
Date:	Wed, 4 Dec 2013 12:19:34 -0500
From:	Vivek Goyal <vgoyal@...hat.com>
To:	Baoquan He <bhe@...hat.com>
Cc:	linux-kernel@...r.kernel.org, kexec@...ts.infradead.org,
	mjg59@...f.ucam.org, greg@...ah.com, ebiederm@...ssion.com,
	hpa@...or.com
Subject: Re: [PATCH 6/6] kexec: Support for Kexec on panic using new system
 call

On Wed, Dec 04, 2013 at 09:41:05AM +0800, Baoquan He wrote:
> On 11/20/13 at 12:50pm, Vivek Goyal wrote:
> > This patch adds support for loading a kexec on panic (kdump) kernel usning
> > new system call.
> > +int load_crashdump_segments(struct kimage *image)
> > +{
> > +	unsigned long src_start, src_sz;
> > +	unsigned long elf_addr, elf_sz;
> > +	int ret;
> > +
> > +	/*
> > +	 * Determine and load a segment for backup area. First 640K RAM
> > +	 * region is backup source
> > +	 */
> > +
> > +	ret = walk_system_ram_res(KEXEC_BACKUP_SRC_START, KEXEC_BACKUP_SRC_END,
> > +				image, determine_backup_region);
> > +
> > +	/* Zero of postive return values are ok */
>                 ^
> Here I guess it is "or".

Yep. Will fix it.

Thanks
Vivek
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