linux-kernel - Re: [PATCH v10 4/5] core: Add kernel message dumper to call on oopses and panics

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Message-ID: <4AD85842.9090800@nokia.com>
Date:	Fri, 16 Oct 2009 14:25:54 +0300
From:	Aaro Koskinen <aaro.koskinen@...ia.com>
To:	ext Simon Kagstrom <simon.kagstrom@...insight.net>
CC:	"dedekind1@...il.com" <dedekind1@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	linux-mtd <linux-mtd@...ts.infradead.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	David Woodhouse <dwmw2@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>
Subject: Re: [PATCH v10 4/5] core: Add kernel message dumper to call on oopses
 and panics

Hello,

Simon Kagstrom wrote:
> +#ifndef _LINUX_KMSG_DUMP_H
> +#define _LINUX_KMSG_DUMP_H
> +
> +#include <linux/list.h>
> +
> +enum kmsg_dump_reason {
> +	KMSG_DUMP_OOPS,
> +	KMSG_DUMP_PANIC,
> +};
> +
> +/**
> + * struct kmsg_dumper - kernel crash message dumper structure
> + * @dump:	The callback which gets called on crashes. The buffer is passed
> + * 		as two sections, where s1 (length l1) contains the older
> + * 		messages and s2 (length l2) contains the newer.
> + * @list:	Entry in the dumper list (private)
> + * @registered:	Flag that specifies if this is already registered
> + */
> +struct kmsg_dumper {
> +	void (*dump)(struct kmsg_dumper *dumper, enum kmsg_dump_reason reason,
> +			const char *s1, unsigned long l1,
> +			const char *s2, unsigned long l2);
> +	struct list_head list;
> +	int registered;
> +};
> +
> +void kmsg_dump(enum kmsg_dump_reason reason);
> +
> +int kmsg_dump_register(struct kmsg_dumper *dumper);
> +
> +int kmsg_dump_unregister(struct kmsg_dumper *dumper);
> +
> +#endif /* _LINUX_DUMP_DEVICE_H */

If you still make a new version of the patch, please correct the
"_LINUX_DUMP_DEVICE_H" comment.

A.
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