* [PATCH] x86, mm: Move declarations level3_ident_pgt and level2_ident_pgt into CONFIG_XEN
@ 2013-07-02 14:43 Zhang Yanfei
0 siblings, 0 replies; only message in thread
From: Zhang Yanfei @ 2013-07-02 14:43 UTC (permalink / raw)
To: H. Peter Anvin, tglx, mingo; +Cc: x86, linux-kernel@vger.kernel.org
From: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
After commit 8170e6b ("x86, 64bit: Use a #PF handler to materialize
early mappings on demand"), we don't define level3_ident_pgt and
level2_ident_pgt if !CONFIG_XEN. So move the two variables' declaration
into CONFIG_XEN.
Signed-off-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
---
arch/x86/include/asm/pgtable_64.h | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
index e22c1db..d0544ec 100644
--- a/arch/x86/include/asm/pgtable_64.h
+++ b/arch/x86/include/asm/pgtable_64.h
@@ -15,10 +15,12 @@
#include <linux/threads.h>
extern pud_t level3_kernel_pgt[512];
+#ifdef CONFIG_XEN
extern pud_t level3_ident_pgt[512];
+extern pmd_t level2_ident_pgt[512];
+#endif
extern pmd_t level2_kernel_pgt[512];
extern pmd_t level2_fixmap_pgt[512];
-extern pmd_t level2_ident_pgt[512];
extern pgd_t init_level4_pgt[];
#define swapper_pg_dir init_level4_pgt
--
1.7.1
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2013-07-02 14:43 [PATCH] x86, mm: Move declarations level3_ident_pgt and level2_ident_pgt into CONFIG_XEN Zhang Yanfei
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