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| author |   Vasily Gorbik <gor@linux.ibm.com> | 2017-11-17 17:40:16 +0100 |
|---|---|---|
| committer |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2018-10-09 11:21:22 +0200 |
| commit | 0dac8f6bc3699f28d807ad3a5ec575e18da8ba62 (patch) | |
| tree | cf15ac0c193aebdc167a9d0cdeabcd7625f79055 /arch/s390/mm | |
| parent | s390/kasan: avoid user access code instrumentation (diff) | |
| download | linux-dev-0dac8f6bc3699f28d807ad3a5ec575e18da8ba62.tar.xz linux-dev-0dac8f6bc3699f28d807ad3a5ec575e18da8ba62.zip | |
s390/mm: add kasan shadow to the debugfs pgtable dump
This change adds address space markers for kasan shadow memory.
Reviewed-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/mm')
| -rw-r--r-- | arch/s390/mm/dump_pagetables.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/arch/s390/mm/dump_pagetables.c b/arch/s390/mm/dump_pagetables.c index 7cdea2ec51e9..5139c24111bc 100644 --- a/arch/s390/mm/dump_pagetables.c +++ b/arch/s390/mm/dump_pagetables.c @@ -3,6 +3,7 @@ #include <linux/debugfs.h> #include <linux/sched.h> #include <linux/mm.h> +#include <asm/kasan.h> #include <asm/sections.h> #include <asm/pgtable.h> @@ -17,18 +18,26 @@ enum address_markers_idx { IDENTITY_NR = 0, KERNEL_START_NR, KERNEL_END_NR, +#ifdef CONFIG_KASAN + KASAN_SHADOW_START_NR, + KASAN_SHADOW_END_NR, +#endif VMEMMAP_NR, VMALLOC_NR, MODULES_NR, }; static struct addr_marker address_markers[] = { - [IDENTITY_NR] = {0, "Identity Mapping"}, - [KERNEL_START_NR] = {(unsigned long)_stext, "Kernel Image Start"}, - [KERNEL_END_NR] = {(unsigned long)_end, "Kernel Image End"}, - [VMEMMAP_NR] = {0, "vmemmap Area"}, - [VMALLOC_NR] = {0, "vmalloc Area"}, - [MODULES_NR] = {0, "Modules Area"}, + [IDENTITY_NR] = {0, "Identity Mapping"}, + [KERNEL_START_NR] = {(unsigned long)_stext, "Kernel Image Start"}, + [KERNEL_END_NR] = {(unsigned long)_end, "Kernel Image End"}, +#ifdef CONFIG_KASAN + [KASAN_SHADOW_START_NR] = {KASAN_SHADOW_START, "Kasan Shadow Start"}, + [KASAN_SHADOW_END_NR] = {KASAN_SHADOW_END, "Kasan Shadow End"}, +#endif + [VMEMMAP_NR] = {0, "vmemmap Area"}, + [VMALLOC_NR] = {0, "vmalloc Area"}, + [MODULES_NR] = {0, "Modules Area"}, { -1, NULL } }; |