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| author | Alexander Gordeev <agordeev@linux.ibm.com> | 2023-08-11 11:07:31 +0300 |
|---|---|---|
| committer | Alexander Gordeev <agordeev@linux.ibm.com> | 2024-04-17 14:38:01 +0300 |
| commit | 8572f52518f69842d983b45eefa7d4efccd233de (patch) | |
| tree | 4efeb7bfa3256b2e4be0bb2eb93880c398a32af9 /arch/s390/kernel | |
| parent | 88702793c5b4ef127a1f57d76920a80f70d081a7 (diff) | |
| download | linux-8572f52518f69842d983b45eefa7d4efccd233de.tar.xz | |
s390/os_info: Store virtual memory layout
This is a preparatory rework to allow uncoupling virtual
and physical addresses spaces.
The virtual memory layout will be read out by makedumpfile,
crash and other user tools for virtual address translation.
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Diffstat (limited to 'arch/s390/kernel')
| -rw-r--r-- | arch/s390/kernel/os_info.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/s390/kernel/os_info.c b/arch/s390/kernel/os_info.c index 3800824f8466..25bcda341630 100644 --- a/arch/s390/kernel/os_info.c +++ b/arch/s390/kernel/os_info.c @@ -15,6 +15,7 @@ #include <asm/checksum.h> #include <asm/abs_lowcore.h> #include <asm/os_info.h> +#include <asm/physmem_info.h> #include <asm/maccess.h> #include <asm/asm-offsets.h> @@ -74,6 +75,12 @@ void __init os_info_init(void) os_info.version_major = OS_INFO_VERSION_MAJOR; os_info.version_minor = OS_INFO_VERSION_MINOR; os_info.magic = OS_INFO_MAGIC; + os_info_entry_add_val(OS_INFO_IDENTITY_BASE, __identity_base); + os_info_entry_add_val(OS_INFO_KASLR_OFFSET, kaslr_offset()); + os_info_entry_add_val(OS_INFO_KASLR_OFF_PHYS, __kaslr_offset_phys); + os_info_entry_add_val(OS_INFO_VMEMMAP, (unsigned long)vmemmap); + os_info_entry_add_val(OS_INFO_AMODE31_START, AMODE31_START); + os_info_entry_add_val(OS_INFO_AMODE31_END, AMODE31_END); os_info.csum = os_info_csum(&os_info); abs_lc = get_abs_lowcore(); abs_lc->os_info = __pa(&os_info); |