Commit 9de209c7 authored by Alexander Gordeev's avatar Alexander Gordeev Committed by Vasily Gorbik
Browse files

s390/dump: fix os_info virtual vs physical address confusion 



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: default avatarHeiko Carstens <hca@linux.ibm.com>
Signed-off-by: default avatarAlexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: default avatarVasily Gorbik <gor@linux.ibm.com>
parent 628c6694

arch/s390/kernel/os_info.c

+2 −2
Original line number Diff line number Diff line
@@ -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