linux-kernel - Re: 2.6.25-rc5: WARNING: at arch/x86/mm/ioremap.c

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Date:	Mon, 10 Mar 2008 20:53:46 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Phil Oester <kernel@...uxace.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: 2.6.25-rc5: WARNING: at arch/x86/mm/ioremap.c


* Phil Oester <kernel@...uxace.com> wrote:

> Still getting the 'WARNING: at arch/x86/mm/ioremap.c:137 
> __ioremap+0xb1/0x165()' error in -rc5.  Seen a few threads on this 
> error, but apparently still not resolved.  Anyone need more info?

the warning is harmless and will be removed in the next x86 update. 
(patch is queued up in x86.git already, see below.)

	Ingo

-------------->
Subject: x86: ioremap, remove WARN_ON()
From: Ingo Molnar <mingo@...e.hu>
Date: Tue Feb 26 09:30:32 CET 2008

Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 arch/x86/mm/ioremap.c |    2 --
 1 file changed, 2 deletions(-)

Index: linux-x86.q/arch/x86/mm/ioremap.c
===================================================================
--- linux-x86.q.orig/arch/x86/mm/ioremap.c
+++ linux-x86.q/arch/x86/mm/ioremap.c
@@ -134,8 +134,6 @@ static void __iomem *__ioremap(unsigned 
 			return NULL;
 	}
 
-	WARN_ON_ONCE(page_is_ram(pfn));
-
 	switch (mode) {
 	case IOR_MODE_UNCACHED:
 	default:
--
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