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Commit 8a5a5d15 authored by Mathias Krause's avatar Mathias Krause Committed by H. Peter Anvin
Browse files

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: default avatarMathias 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: default avatarH. Peter Anvin <hpa@zytor.com>
parent f3761db1

arch/x86/mm/dump_pagetables.c

+4 −0
Original line number Diff line number Diff line
@@ -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" },