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authorMathias Krause <minipli@googlemail.com>2014-09-07 20:30:29 +0200
committerH. Peter Anvin <hpa@zytor.com>2014-09-08 20:57:34 +0200
commit8a5a5d1530d55e367ef29c80946d0274717617bb (patch)
tree5f70062e4af3725481520f7b99bff5aad42c556a /arch
parentx86, irq: Fix build error caused by 9eabc99a635a77cbf09 (diff)
downloadlinux-8a5a5d1530d55e367ef29c80946d0274717617bb.tar.xz
linux-8a5a5d1530d55e367ef29c80946d0274717617bb.zip
x86-64, ptdump: Mark espfix area only if existent
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> Link: http://lkml.kernel.org/r/1410114629-24523-1-git-send-email-minipli@googlemail.com Cc: Arjan van de Ven <arjan.van.de.ven@intel.com> Cc: H. Peter Anvin <hpa@zytor.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/mm/dump_pagetables.c4
1 files changed, 4 insertions, 0 deletions
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" },