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s390/dump: fix os_info virtual vs physical address confusion

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Due to historical reasons os_info handling functions misuse
the notion of physical vs virtual addresses difference.

Note: this does not fix a bug currently, since virtual
and physical addresses are identical.

Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Alexander Gordeev
2022-01-26 13:47:59 +01:00
committed by Vasily Gorbik
parent 628c66942e
commit 9de209c7d5
1 changed files with 2 additions and 2 deletions
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arch/s390/kernel/os_info.c
+2 -2
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@@ -45,7 +45,7 @@ void os_info_crashkernel_add(unsigned long base, unsigned long size)
*/
void os_info_entry_add(int nr, void *ptr, u64 size)
{
os_info.entry[nr].addr = (u64)(unsigned long)ptr;
os_info.entry[nr].addr = __pa(ptr);
os_info.entry[nr].size = size;
os_info.entry[nr].csum = (__force u32)csum_partial(ptr, size, 0);
os_info.csum = os_info_csum(&os_info);
@@ -62,7 +62,7 @@ void __init os_info_init(void)
os_info.version_minor = OS_INFO_VERSION_MINOR;
os_info.magic = OS_INFO_MAGIC;
os_info.csum = os_info_csum(&os_info);
mem_assign_absolute(S390_lowcore.os_info, (unsigned long) ptr);
mem_assign_absolute(S390_lowcore.os_info, __pa(ptr));
}
#ifdef CONFIG_CRASH_DUMP