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| author |   Heiko Carstens <hca@linux.ibm.com> | 2022-09-05 14:36:19 +0200 |
|---|---|---|
| committer |   Vasily Gorbik <gor@linux.ibm.com> | 2022-09-07 14:04:52 +0200 |
| commit | edcfc9c71bfd491e36ae93a3ea633fb55678f51f (patch) | |
| tree | abd23b4615e06146da797ffb73e5fe6c98f743fe /arch/s390/mm | |
| parent | s390/mm: split lowcore pages with set_memory_4k() (diff) | |
| download | linux-dev-edcfc9c71bfd491e36ae93a3ea633fb55678f51f.tar.xz linux-dev-edcfc9c71bfd491e36ae93a3ea633fb55678f51f.zip | |
s390/ptdump: add missing amode31 markers
Add amode31 markers which makes a ro mapping in the middle of
nowhere in the kernel_page_tables output less magic.
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390/mm')
| -rw-r--r-- | arch/s390/mm/dump_pagetables.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/s390/mm/dump_pagetables.c b/arch/s390/mm/dump_pagetables.c index 9f9af5298dd6..4250861f90f5 100644 --- a/arch/s390/mm/dump_pagetables.c +++ b/arch/s390/mm/dump_pagetables.c @@ -21,6 +21,8 @@ struct addr_marker { enum address_markers_idx { IDENTITY_BEFORE_NR = 0, IDENTITY_BEFORE_END_NR, + AMODE31_START_NR, + AMODE31_END_NR, KERNEL_START_NR, KERNEL_END_NR, #ifdef CONFIG_KFENCE @@ -44,6 +46,8 @@ enum address_markers_idx { static struct addr_marker address_markers[] = { [IDENTITY_BEFORE_NR] = {0, "Identity Mapping Start"}, [IDENTITY_BEFORE_END_NR] = {(unsigned long)_stext, "Identity Mapping End"}, + [AMODE31_START_NR] = {0, "Amode31 Area Start"}, + [AMODE31_END_NR] = {0, "Amode31 Area End"}, [KERNEL_START_NR] = {(unsigned long)_stext, "Kernel Image Start"}, [KERNEL_END_NR] = {(unsigned long)_end, "Kernel Image End"}, #ifdef CONFIG_KFENCE @@ -276,6 +280,8 @@ static int pt_dump_init(void) max_addr = (S390_lowcore.kernel_asce & _REGION_ENTRY_TYPE_MASK) >> 2; max_addr = 1UL << (max_addr * 11 + 31); address_markers[IDENTITY_AFTER_END_NR].start_address = ident_map_size; + address_markers[AMODE31_START_NR].start_address = __samode31; + address_markers[AMODE31_END_NR].start_address = __eamode31; address_markers[MODULES_NR].start_address = MODULES_VADDR; address_markers[MODULES_END_NR].start_address = MODULES_END; address_markers[VMEMMAP_NR].start_address = (unsigned long) vmemmap; |