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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>
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1 changed files with 6 additions and 0 deletions
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@ -21,6 +21,8 @@ struct addr_marker {
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enum address_markers_idx {
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IDENTITY_BEFORE_NR = 0,
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IDENTITY_BEFORE_END_NR,
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AMODE31_START_NR,
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AMODE31_END_NR,
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KERNEL_START_NR,
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KERNEL_END_NR,
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#ifdef CONFIG_KFENCE
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@ -44,6 +46,8 @@ enum address_markers_idx {
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static struct addr_marker address_markers[] = {
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[IDENTITY_BEFORE_NR] = {0, "Identity Mapping Start"},
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[IDENTITY_BEFORE_END_NR] = {(unsigned long)_stext, "Identity Mapping End"},
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[AMODE31_START_NR] = {0, "Amode31 Area Start"},
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[AMODE31_END_NR] = {0, "Amode31 Area End"},
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[KERNEL_START_NR] = {(unsigned long)_stext, "Kernel Image Start"},
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[KERNEL_END_NR] = {(unsigned long)_end, "Kernel Image End"},
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#ifdef CONFIG_KFENCE
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@ -276,6 +280,8 @@ static int pt_dump_init(void)
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max_addr = (S390_lowcore.kernel_asce & _REGION_ENTRY_TYPE_MASK) >> 2;
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max_addr = 1UL << (max_addr * 11 + 31);
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address_markers[IDENTITY_AFTER_END_NR].start_address = ident_map_size;
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address_markers[AMODE31_START_NR].start_address = __samode31;
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address_markers[AMODE31_END_NR].start_address = __eamode31;
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address_markers[MODULES_NR].start_address = MODULES_VADDR;
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address_markers[MODULES_END_NR].start_address = MODULES_END;
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address_markers[VMEMMAP_NR].start_address = (unsigned long) vmemmap;
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