linux-kernel - Re: [PATCH v2 1/2] xen/setup: Remove Identity Map Debug Message

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Date:	Mon, 28 Jul 2014 14:14:29 +0100
From:	David Vrabel <david.vrabel@...rix.com>
To:	Matt Rushton <mvrushton@...il.com>, <konrad.wilk@...cle.com>,
	<boris.ostrovsky@...cle.com>
CC:	<msw@...zon.com>, <linux-kernel@...r.kernel.org>,
	<xen-devel@...ts.xensource.com>, Matt Rushton <mrushton@...zon.com>
Subject: Re: [PATCH v2 1/2] xen/setup: Remove Identity Map Debug Message

On 20/07/14 01:01, Matt Rushton wrote:
> Removing a debug message for setting the identity map since it becomes
> rather noisy after rework of the identity map code.

Reviewed-by: David Vrabel <david.vrabel@...rix.com>

David

> --- a/arch/x86/xen/p2m.c
> +++ b/arch/x86/xen/p2m.c
> @@ -841,10 +841,9 @@ unsigned long __init set_phys_range_identity(unsigned long pfn_s,
>  			pfn = ALIGN(pfn, P2M_PER_PAGE);
>  	}
>  
> -	if (!WARN((pfn - pfn_s) != (pfn_e - pfn_s),
> +	WARN((pfn - pfn_s) != (pfn_e - pfn_s),
>  		"Identity mapping failed. We are %ld short of 1-1 mappings!\n",
> -		(pfn_e - pfn_s) - (pfn - pfn_s)))
> -		printk(KERN_DEBUG "1-1 mapping on %lx->%lx\n", pfn_s, pfn);
> +		(pfn_e - pfn_s) - (pfn - pfn_s));
>  
>  	return pfn - pfn_s;
>  }
> 

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