This is a note to let you know that I've just added the patch titled
s390/boot: fix physmem_info virtual vs physical address confusion
to the 6.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
s390-boot-fix-physmem_info-virtual-vs-physical-addre.patch
and it can be found in the queue-6.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 0076f9ffe4cf9f6d21d1fedc3489d0521491d422
Author: Alexander Gordeev <agordeev@xxxxxxxxxxxxx>
Date: Tue Jun 6 15:30:56 2023 +0200
s390/boot: fix physmem_info virtual vs physical address confusion
[ Upstream commit c70505434c8defb111326a143e2dd2be09778593 ]
Fix virtual vs physical address confusion (which currently are the same).
Reviewed-by: Vasily Gorbik <gor@xxxxxxxxxxxxx>
Signed-off-by: Alexander Gordeev <agordeev@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
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)
