From: Huang, Ying <ying.huang@intel.com>
Date: Thu, 31 Jan 2008 21:05:45 +0000 (+0100)
Subject: x86: early_ioremap_reset fix 2
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=1fd6a53ddc75d02ad0f363cb42f2a1cec6b701c2;p=linux-beck.git

x86: early_ioremap_reset fix 2

This patch fixes a bug of early_ioremap_reset(), which had been fixed
before by "convert the boot time page table to the kernels native
format" patch. But that patch has been reverted now.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index ed795721ca8e..a177d76e1c53 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -340,7 +340,7 @@ void __init early_ioremap_reset(void)
 	for (idx = FIX_BTMAP_BEGIN; idx >= FIX_BTMAP_END; idx--) {
 		addr = fix_to_virt(idx);
 		pte = early_ioremap_pte(addr);
-		if (!*pte & _PAGE_PRESENT) {
+		if (*pte & _PAGE_PRESENT) {
 			phys = *pte & PAGE_MASK;
 			set_fixmap(idx, phys);
 		}