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Subject[PATCH AUTOSEL 6.4 10/16] s390/boot: fix physmem_info virtual vs physical address confusion
Date
From: Alexander Gordeev <agordeev@linux.ibm.com>

[ Upstream commit c70505434c8defb111326a143e2dd2be09778593 ]

Fix virtual vs physical address confusion (which currently are the same).

Reviewed-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/s390/include/asm/physmem_info.h | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/s390/include/asm/physmem_info.h b/arch/s390/include/asm/physmem_info.h
index 8e9c582592b3f..9e41a74fce9ac 100644
--- a/arch/s390/include/asm/physmem_info.h
+++ b/arch/s390/include/asm/physmem_info.h
@@ -3,6 +3,7 @@
#define _ASM_S390_MEM_DETECT_H

#include <linux/types.h>
+#include <asm/page.h>

enum physmem_info_source {
MEM_DETECT_NONE = 0,
@@ -133,7 +134,7 @@ static inline const char *get_rr_type_name(enum reserved_range_type t)

#define for_each_physmem_reserved_type_range(t, range, p_start, p_end) \
for (range = &physmem_info.reserved[t], *p_start = range->start, *p_end = range->end; \
- range && range->end; range = range->chain, \
+ range && range->end; range = range->chain ? __va(range->chain) : NULL, \
*p_start = range ? range->start : 0, *p_end = range ? range->end : 0)

static inline struct reserved_range *__physmem_reserved_next(enum reserved_range_type *t,
@@ -145,7 +146,7 @@ static inline struct reserved_range *__physmem_reserved_next(enum reserved_range
return range;
}
if (range->chain)
- return range->chain;
+ return __va(range->chain);
while (++*t < RR_MAX) {
range = &physmem_info.reserved[*t];
if (range->end)
--
2.39.2
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