Date: Tue, 24 Feb 2015 10:07:43 +0100
From: Ingo Molnar <mingo@kernel.org>
To: Boaz Harrosh <boaz@plexistor.com>
Cc: Ingo Molnar <mingo@redhat.com>, Andy Lutomirski <luto@amacapital.net>,
        Ross Zwisler <ross.zwisler@linux.intel.com>, X86 ML <x86@kernel.org>,
        linux-kernel <linux-kernel@vger.kernel.org>,
        "Roger C. Pao" <rcpao.enmotus@gmail.com>,
        Dan Williams <dan.j.williams@intel.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        linux-nvdimm <linux-nvdimm@ml01.01.org>,
        "H. Peter Anvin" <hpa@zytor.com>,
        Matthew Wilcox <willy@linux.intel.com>,
        Christoph Hellwig <hch@infradead.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Vivek Goyal <vgoyal@redhat.com>
Subject: Re: [PATCH 2/3 v3] resource: Add new flag IORESOURCE_MEM_WARN
Message-ID: <20150224090742.GC19930@gmail.com>
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* Boaz Harrosh <boaz@plexistor.com> wrote:

> --- a/kernel/resource.c
> +++ b/kernel/resource.c
> @@ -1075,8 +1075,13 @@ struct resource * __request_region(struct resource *parent,
>  			break;
>  		if (conflict != parent) {
>  			parent = conflict;
> -			if (!(conflict->flags & IORESOURCE_BUSY))
> +			if (!(conflict->flags & IORESOURCE_BUSY)) {
> +				if (conflict->flags & IORESOURCE_MEM_WARN)
> +					pr_warn("request unknown region [mem %#010llx-%#010llx] %s\n",
> +						conflict->start, conflict->end,
> +						conflict->name);

Maybe:

   'request region with unknown memory type [mem ...]'?

The driver (we hope!) very well knows about the region so 
it's not totally unknown.

Thanks,

	Ingo
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