linux-kernel - Re: [PATCH 1/4] x86, ptdump: Add the functionality to dump an arbitrary pagetable

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Message-ID: <52D3FCAA.7070004@linux.intel.com>
Date:	Mon, 13 Jan 2014 06:48:10 -0800
From:	Arjan van de Ven <arjan@...ux.intel.com>
To:	Dave Young <dyoung@...hat.com>, Borislav Petkov <bp@...en8.de>
CC:	Linux EFI <linux-efi@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Borislav Petkov <bp@...e.de>,
	Matt Fleming <matt@...sole-pimps.org>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	"H. Peter Anvin" <hpa@...or.com>, Toshi Kani <toshi.kani@...com>
Subject: Re: [PATCH 1/4] x86, ptdump: Add the functionality to dump an arbitrary
 pagetable

On 1/13/2014 4:23 AM, Dave Young wrote:
>>
>>> How about do not limit to only if (pgd) case, instead do something
>>> like below: set dump_to_dmesg as a module parameter
>>
>> X86_PTDUMP is not a module.
>
> Hmm, I just see the module macros in the code, since it's a bool Kconfig
> I think the dump_pagetables.c need a cleanup,
> remove the #include <linux/module.h> and below lines:
> MODULE_LICENSE("GPL");
> MODULE_AUTHOR("Arjan van de Ven <arjan@...ux.intel.com>");
> MODULE_DESCRIPTION("Kernel debugging helper that dumps pagetables");

personally I consider it good form to always have this kind of information in .c files,
regardless of the KConfig side of thing...

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