x86-64, ptdump: Mark espfix area only if existent
diff mbox series

Message ID 1410114629-24523-1-git-send-email-minipli@googlemail.com
State New, archived
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Series
  • x86-64, ptdump: Mark espfix area only if existent
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Commit Message

Mathias Krause Sept. 7, 2014, 6:30 p.m. UTC
We should classify the espfix area as such only if we actually have
enabled the corresponding option. Otherwise the page table dump might
look confusing.

Signed-off-by: Mathias Krause <minipli@googlemail.com>
Cc: Arjan van de Ven <arjan.van.de.ven@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
---
 arch/x86/mm/dump_pagetables.c |    4 ++++
 1 file changed, 4 insertions(+)

Patch
diff mbox series

diff --git a/arch/x86/mm/dump_pagetables.c b/arch/x86/mm/dump_pagetables.c
index 167ffcac16ed..95a427e57887 100644
--- a/arch/x86/mm/dump_pagetables.c
+++ b/arch/x86/mm/dump_pagetables.c
@@ -48,7 +48,9 @@  enum address_markers_idx {
 	LOW_KERNEL_NR,
 	VMALLOC_START_NR,
 	VMEMMAP_START_NR,
+# ifdef CONFIG_X86_ESPFIX64
 	ESPFIX_START_NR,
+# endif
 	HIGH_KERNEL_NR,
 	MODULES_VADDR_NR,
 	MODULES_END_NR,
@@ -71,7 +73,9 @@  static struct addr_marker address_markers[] = {
 	{ PAGE_OFFSET,		"Low Kernel Mapping" },
 	{ VMALLOC_START,        "vmalloc() Area" },
 	{ VMEMMAP_START,        "Vmemmap" },
+# ifdef CONFIG_X86_ESPFIX64
 	{ ESPFIX_BASE_ADDR,	"ESPfix Area", 16 },
+# endif
 	{ __START_KERNEL_map,   "High Kernel Mapping" },
 	{ MODULES_VADDR,        "Modules" },
 	{ MODULES_END,          "End Modules" },